i Appendix 4: Testing for Trend and Gauge Templates Contents The Kendall Tau Trend Test............................................................................................................................................................................................ ii Interpreting the Kendall Tau Plot................................................................................................................................................................................... v
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-
i
Appendix 4: Testing for Trend and Gauge Templates
Contents The Kendall Tau Trend Test ............................................................................................................................................................................................ ii
Interpreting the Kendall Tau Plot ................................................................................................................................................................................... v
-
ii
The Kendall Tau Trend Test The Mann-Kendall Test is a non-parametric test for trend that does not specify linearity of the trend (Maidment 1993). This robust test can be applied to any annual timeseries of flow data, including annual inches of baseflow, recharge, stream discharge, and estimates of Kb. A modification of the test called the Seasonal Kendall Tau test accounts for serial correlation and is insensitive to seasonality in the data(Hirsch, Slack and Smith 1982). This is used to test for trend in monthly data like the climate division soil moisture and monthly estimates of baseflow. Comparing these two trend tests gives insight on how much of the visible trend in baseflow can be associated with a similar trend in hydrometeorology.
The Kendall Tau Trend tests were applied to every feasible period of at least ten years within the entire period of record for the gauge data in question, and the probability of a nonrandom trend for that period is returned. These probabilities are plotted in an upper triangular matrix called the Kendall Tau Surface showing which sub-periods of the record demonstrate what trend, with special symbology for when trend probability exceeds the set significance level (Zhang, Dehoff and Pody 2010). The surface represents the K-Tau statistic for every possible sub-period within the entire period of record and the symbols show both the direction and magnitude as significance of the test against the null hypothesis of no monotonic trend.
-
iii
1945 1950 1955 1960 1965 1970 1975 1980 19855
10
15
20
25
30
Water Year
Ann
ual I
nche
s of
Dis
char
geAnnual Discharge (in) for
DeepCreekMannboro
-
iv
The time Series graph and Kendall Tau Plot for Annual Discharge Inches at USGS Gauge 02041000
1945 1950 1955 1960 1965 1970 1975 19801955
1960
1965
1970
1975
1980
1985
1990
Beginning Year
End
ing
Yea
r
Kendall Tau Trend Test on Annual Discharge (in) for DeepCreekMannboro
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
Upward trendDownward TrendStrong Upward Trend (p
-
v
Interpreting the Kendall Tau Plot The + plus signs on the Kendall Tau Upper Triangular plot correspond to periods of record that show an upward trend below the threshold of p
-
vi
Hirsch, R. M., J. R. Slack & R. A. Smith (1982) Techniques of Trend Analysis for Monthly Water Quality Data. Water Resources Research, 18, 107-121.
Maidment, D. R. 1993. Handbook of hydrology. New York: McGraw-Hill. Zhang, Z. X., A. D. Dehoff & R. D. Pody (2010) New Approach to Identify Trend Pattern of Streamflows. Journal of Hydrologic Engineering, 15,
244-248.
-
Contents Little Patuxent at Guilford ......................................................................................................................................................................................................................................................................................... 3
Seneca Creek at Dawsonville ..................................................................................................................................................................................................................................................................................... 5
Antietam Creek at Sharpsburg ................................................................................................................................................................................................................................................................................... 7
Bear Creek ................................................................................................................................................................................................................................................................................................................. 9
Beaverdam Matthews ..............................................................................................................................................................................................................................................................................................11
Bennett Creek ..........................................................................................................................................................................................................................................................................................................13
Big Elk Creek .............................................................................................................................................................................................................................................................................................................15
Georges Creek Franklintown .....................................................................................................................................................................................................................................................................................17
Little Falls Blue Mount ..............................................................................................................................................................................................................................................................................................19
Blackwater River WVA ..............................................................................................................................................................................................................................................................................................21
Brandywine Creek ....................................................................................................................................................................................................................................................................................................23
Cacapon WVA...........................................................................................................................................................................................................................................................................................................25
Casselman ................................................................................................................................................................................................................................................................................................................27
Choptank Greensboro ..............................................................................................................................................................................................................................................................................................29
Conococheague ........................................................................................................................................................................................................................................................................................................31
Deer Creek at Rocks MD ...........................................................................................................................................................................................................................................................................................33
Evitts Creek Centerville .............................................................................................................................................................................................................................................................................................35
Monocacy Bridgeport ...............................................................................................................................................................................................................................................................................................37
Monocacy Jug Bridge Frederick ................................................................................................................................................................................................................................................................................39
Owens Creek ...........................................................................................................................................................................................................................................................................................................41
Patapsco Reisterstown .............................................................................................................................................................................................................................................................................................43
Potomac River Adjusted near DC ..............................................................................................................................................................................................................................................................................45
Potomac River Hancock ............................................................................................................................................................................................................................................................................................47
Potomac River Paw Paw ...........................................................................................................................................................................................................................................................................................49
Potomac River Steyer ...............................................................................................................................................................................................................................................................................................51
Rock Creek DC ..........................................................................................................................................................................................................................................................................................................53
Wills Creek Cumberland ..........................................................................................................................................................................................................................................................................................55
Anacostia Colesville ..................................................................................................................................................................................................................................................................................................57
Anacostia Hyattsville ................................................................................................................................................................................................................................................................................................59
Appendix of Stream Gauges Page 1
brennan4Typewritten TextMulti-Metric Slow Flow Templates for All Stream Gaugesbrennan4Typewritten Textbrennan4Typewritten Textbrennan4Typewritten Text -
Big Pipe Bruceville ....................................................................................................................................................................................................................................................................................................61
Catoctin Middletown ................................................................................................................................................................................................................................................................................................63
Crabtree Creek Swanton ...........................................................................................................................................................................................................................................................................................65
Fishing Creek Lewistown ..........................................................................................................................................................................................................................................................................................67
Henson Creek ...........................................................................................................................................................................................................................................................................................................69
Hunting Creek Jimtown ............................................................................................................................................................................................................................................................................................71
Linganore Frederick ..................................................................................................................................................................................................................................................................................................73
Marsh Run Grimes ....................................................................................................................................................................................................................................................................................................75
Patuxent Unity .........................................................................................................................................................................................................................................................................................................77
Piscataway ...............................................................................................................................................................................................................................................................................................................79
Principio Furnace ......................................................................................................................................................................................................................................................................................................81
Savage River Barton..................................................................................................................................................................................................................................................................................................83
Slade Run .................................................................................................................................................................................................................................................................................................................85
South Branch Patapsco .............................................................................................................................................................................................................................................................................................87
St. Clements .............................................................................................................................................................................................................................................................................................................89
St. Marys .................................................................................................................................................................................................................................................................................................................91
Western Branch Largo ..............................................................................................................................................................................................................................................................................................93
Western Run ............................................................................................................................................................................................................................................................................................................95
White Marsh Run .....................................................................................................................................................................................................................................................................................................97
Winters Run ............................................................................................................................................................................................................................................................................................................99
Beaverdam Cockeysville .........................................................................................................................................................................................................................................................................................101
North River Annapolis ............................................................................................................................................................................................................................................................................................103
West Branch Herring Run .......................................................................................................................................................................................................................................................................................105
Little Gunpowder at Laurel .....................................................................................................................................................................................................................................................................................107
Watts Branch..........................................................................................................................................................................................................................................................................................................109
East Branch Herbert Run ........................................................................................................................................................................................................................................................................................111
Goose Creek Leesburg ............................................................................................................................................................................................................................................................................................113
Yellow Breeches .....................................................................................................................................................................................................................................................................................................115
Patterson Creek Headsville .....................................................................................................................................................................................................................................................................................117
Youghiogheny Oakland ...........................................................................................................................................................................................................................................................................................119
Appendix of Stream Gauges Page 2
-
1940 1950 1960 1970 1980 1990 2000 2010
0.4
0.5
0.6
0.7
0.8
Calendar Year
Bas
eFlo
w In
dex
Annual BaseFlow Index using Digital Filter for LittlePatuxentGuilford
1940 1950 1960 1970 1980 1990 2000 20105
10
15
20
25
30
35
Calendar Year
Ann
ual I
nche
s of
Dis
char
ge
Annual Discharge (in) for LittlePatuxentGuilford
1940 1950 1960 1970 1980 1990 2000 20100
5
10
15
20
Calendar Year
Ann
ual I
nche
s of
Bas
eflo
w
Annual Baseflow (in) using Digital Filter for LittlePatuxentGuilford
1940 1950 1960 1970 1980 1990 2000 2010
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual BaseFlow Index using Digital Filter for LittlePatuxentGuilford
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1940 1950 1960 1970 1980 1990 2000 2010
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Discharge (in) for LittlePatuxentGuilford
Beginning Year
End
ing
Yea
r
Upward trendDownward TrendStrong Upward Trend (p
-
1940 1950 1960 1970 1980 1990 2000200
300
400
500
600
700Time Series of Climate Division Soil Moisture for CD: 125
mm
soi
l moi
stur
e
1940 1950 1960 1970 1980 1990 2000 20100.84
0.86
0.88
0.9
0.92
0.94
0.96
Calendar Year
Bas
eflo
w R
eces
sion
Con
stan
t Kb
Annual Kb Values for LittlePatuxentGuilford
Annual Kb valuesMean Kb Using full period
1940 1950 1960 1970 1980 1990 2000 20105
10
15
20
Calendar Year
base
flow
inch
es
Annual GW Recharge using RORA for LittlePatuxentGuilford
1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Soil Moisture for CD 125
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1940 1950 1960 1970 1980 1990 2000 20101940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Kb for LittlePatuxentGuilford
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1940 1950 1960 1970 1980 1990 2000 20101940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Recharge (RORA) for LittlePatuxentGuilford
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Baseflow (mean daily value) for LittlePatuxentGuilford
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for LittlePatuxentGuilford and CD125
Positive DifferenceNegative Difference
Z
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for LittlePatuxentGuilford and CD125
Z
1
0.5
0
0.5
1
1.5
Appendix of Stream Gauges Page 4
-
1940 1960 1980 20000.4
0.5
0.6
0.7
0.8
Calendar Year
Bas
eFlo
w In
dex
Annual BaseFlow Index using Digital Filter for SenecaCreekDawson
1940 1960 1980 20000
10
20
30
40
Calendar Year
Ann
ual I
nche
s of
Dis
char
ge
Annual Discharge (in) for SenecaCreekDawson
1940 1960 1980 20000
5
10
15
20
Calendar Year
Ann
ual I
nche
s of
Bas
eflo
w
Annual Baseflow (in) using Digital Filter for SenecaCreekDawson
1940 1960 1980 20001940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual BaseFlow Index using Digital Filter for SenecaCreekDawson
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1940 1960 1980 20001940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Discharge (in) for SenecaCreekDawson
Beginning Year
End
ing
Yea
r
Upward trendDownward TrendStrong Upward Trend (p
-
1930 1940 1950 1960 1970 1980 1990 2000200
300
400
500
600
700Time Series of Climate Division Soil Moisture for CD: 125
mm
soi
l moi
stur
e
1940 1960 1980 20000.9
0.92
0.94
0.96
0.98
Calendar Year
Bas
eflo
w R
eces
sion
Con
stan
t Kb
Annual Kb Values for SenecaCreekDawson
Annual Kb valuesMean Kb Using full period
1940 1960 1980 20000
5
10
15
20
25
30
Calendar Year
base
flow
inch
es
Annual GW Recharge using RORA for SenecaCreekDawson
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Soil Moisture for CD 125
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1940 1960 1980 20001940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Kb for SenecaCreekDawson
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1940 1960 1980 20001940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Recharge (RORA) for SenecaCreekDawson
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Baseflow (mean daily value) for SenecaCreekDawson
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for SenecaCreekDawson and CD125
Positive DifferenceNegative Difference
Z
0.5
1
1.5
2
2.5
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for SenecaCreekDawson and CD125
Z
2
1.5
1
0.5
0
0.5
1
1.5
2
2.5
Appendix of Stream Gauges Page 6
-
1930 1940 1950 1960 1970 1980 1990 2000 20100.65
0.7
0.75
0.8
0.85
0.9
Calendar Year
Bas
eFlo
w In
dex
Annual BaseFlow Index using Digital Filter for AntietamSharpsburg
1930 1940 1950 1960 1970 1980 1990 2000 20105
10
15
20
25
30
35
Calendar Year
Ann
ual I
nche
s of
Dis
char
ge
Annual Discharge (in) for AntietamSharpsburg
1930 1940 1950 1960 1970 1980 1990 2000 20100
5
10
15
20
25
Calendar Year
Ann
ual I
nche
s of
Bas
eflo
w
Annual Baseflow (in) using Digital Filter for AntietamSharpsburg
1930 1940 1950 1960 1970 1980 1990 2000 2010
1940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual BaseFlow Index using Digital Filter for AntietamSharpsburg
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 2000 2010
1940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Discharge (in) for AntietamSharpsburg
Beginning Year
End
ing
Yea
r
Upward trendDownward TrendStrong Upward Trend (p
-
1930 1940 1950 1960 1970 1980 1990 2000200
300
400
500
600
700Time Series of Climate Division Soil Moisture for CD: 126
mm
soi
l moi
stur
e
1930 1940 1950 1960 1970 1980 1990 2000 20100.92
0.93
0.94
0.95
0.96
0.97
0.98
Calendar Year
Bas
eflo
w R
eces
sion
Con
stan
t Kb
Annual Kb Values for AntietamSharpsburg
Annual Kb valuesMean Kb Using full period
1930 1940 1950 1960 1970 1980 1990 2000 20100
10
20
30
40
Calendar Year
base
flow
inch
es
Annual GW Recharge using RORA for AntietamSharpsburg
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Soil Moisture for CD 126
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 2000 20101930
1940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Kb for AntietamSharpsburg
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 2000 20101930
1940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Recharge (RORA) for AntietamSharpsburg
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Baseflow (mean daily value) for AntietamSharpsburg
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for AntietamSharpsburg and CD126
Positive DifferenceNegative Difference
Z
0
0.5
1
1.5
2
2.5
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for AntietamSharpsburg and CD126
Z
1.5
1
0.5
0
0.5
1
1.5
2
2.5
Appendix of Stream Gauges Page 8
-
1970 1980 1990 2000 2010
0.35
0.4
0.45
0.5
0.55
0.6
Calendar Year
Bas
eFlo
w In
dex
Annual BaseFlow Index using Digital Filter for BearCreek
1970 1980 1990 2000 201010
20
30
40
50
Calendar Year
Ann
ual I
nche
s of
Dis
char
ge
Annual Discharge (in) for BearCreek
1970 1980 1990 2000 20105
10
15
20
25
Calendar Year
Ann
ual I
nche
s of
Bas
eflo
w
Annual Baseflow (in) using Digital Filter for BearCreek
1970 1980 1990 2000 2010
1975
1980
1985
1990
1995
2000
2005
2010
Kendall Tau Trend Test on Annual BaseFlow Index using Digital Filter for BearCreek
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1970 1980 1990 2000 2010
1975
1980
1985
1990
1995
2000
2005
2010
Kendall Tau Trend Test on Annual Discharge (in) for BearCreek
Beginning Year
End
ing
Yea
r
Upward trendDownward TrendStrong Upward Trend (p
-
1970 1980 1990 2000300
400
500
600
700Time Series of Climate Division Soil Moisture for CD: 127
mm
soi
l moi
stur
e
1970 1980 1990 2000 20100.89
0.9
0.91
0.92
0.93
0.94
0.95
Calendar Year
Bas
eflo
w R
eces
sion
Con
stan
t Kb
Annual Kb Values for BearCreek
Annual Kb valuesMean Kb Using full period
1970 1980 1990 2000 201010
15
20
25
30
35
Calendar Year
base
flow
inch
es
Annual GW Recharge using RORA for BearCreek
1970 1980 1990 20001965
1970
1975
1980
1985
1990
1995
2000
2005
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Soil Moisture for CD 127
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1970 1980 1990 2000 20101975
1980
1985
1990
1995
2000
2005
2010
Kendall Tau Trend Test on Annual Kb for BearCreek
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1970 1980 1990 2000 20101975
1980
1985
1990
1995
2000
2005
2010
Kendall Tau Trend Test on Annual Recharge (RORA) for BearCreek
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1970 1980 1990 20001965
1970
1975
1980
1985
1990
1995
2000
2005
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Baseflow (mean daily value) for BearCreek
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1970 1980 1990 20001965
1970
1975
1980
1985
1990
1995
2000
2005
Beginning Year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for BearCreek and CD127
Positive DifferenceNegative Difference
Z
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
1970 1980 1990 20001965
1970
1975
1980
1985
1990
1995
2000
2005
Beginning year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for BearCreek and CD127
Z
1.5
1
0.5
0
0.5
1
1.5
Appendix of Stream Gauges Page 10
-
1950 1955 1960 1965 1970 1975 19800.25
0.3
0.35
0.4
0.45
0.5
Calendar Year
Bas
eFlo
w In
dex
Annual BaseFlow Index using Digital Filter for BeaverdamMatthews
1950 1955 1960 1965 1970 1975 19805
10
15
20
25
30
35
Calendar Year
Ann
ual I
nche
s of
Dis
char
ge
Annual Discharge (in) for BeaverdamMatthews
1950 1955 1960 1965 1970 1975 19802
4
6
8
10
12
Calendar Year
Ann
ual I
nche
s of
Bas
eflo
w
Annual Baseflow (in) using Digital Filter for BeaverdamMatthews
1950 1955 1960 1965 1970 1975 1980
1960
1965
1970
1975
1980
Kendall Tau Trend Test on Annual BaseFlow Index using Digital Filter for BeaverdamMatthews
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1955 1960 1965 1970 1975 1980
1960
1965
1970
1975
1980
Kendall Tau Trend Test on Annual Discharge (in) for BeaverdamMatthews
Beginning Year
End
ing
Yea
r
Upward trendDownward TrendStrong Upward Trend (p
-
1950 1955 1960 1965 1970 1975 1980300
400
500
600
700Time Series of Climate Division Soil Moisture for CD: 121
mm
soi
l moi
stur
e
1950 1955 1960 1965 1970 1975 19800.4
0.5
0.6
0.7
0.8
0.9
1
Calendar Year
Bas
eflo
w R
eces
sion
Con
stan
t Kb
Annual Kb Values for BeaverdamMatthews
Annual Kb valuesMean Kb Using full period
1950 1955 1960 1965 1970 1975 19804
6
8
10
12
14
16
Calendar Year
base
flow
inch
es
Annual GW Recharge using RORA for BeaverdamMatthews
1950 1955 1960 1965 1970 1975 19801950
1955
1960
1965
1970
1975
1980
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Soil Moisture for CD 121
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1955 1960 1965 1970 1975 19801960
1965
1970
1975
1980
Kendall Tau Trend Test on Annual Kb for BeaverdamMatthews
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1955 1960 1965 1970 1975 19801960
1965
1970
1975
1980
Kendall Tau Trend Test on Annual Recharge (RORA) for BeaverdamMatthews
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1955 1960 1965 1970 1975 19801950
1955
1960
1965
1970
1975
1980
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Baseflow (mean daily value) for BeaverdamMatthews
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1955 1960 1965 1970 1975 19801950
1955
1960
1965
1970
1975
1980
Beginning Year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for BeaverdamMatthews and CD121
Positive DifferenceNegative Difference
Z
0.2
0.4
0.6
0.8
1
1.2
1.4
1950 1955 1960 1965 1970 1975 19801950
1955
1960
1965
1970
1975
1980
Beginning year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for BeaverdamMatthews and CD121
Z
1
0.5
0
0.5
1
Appendix of Stream Gauges Page 12
-
1970 1980 1990 20000.4
0.5
0.6
0.7
0.8
Calendar Year
Bas
eFlo
w In
dex
Annual BaseFlow Index using Digital Filter for BennettCreek
1970 1980 1990 20000
10
20
30
40
Calendar Year
Ann
ual I
nche
s of
Dis
char
ge
Annual Discharge (in) for BennettCreek
1970 1980 1990 20000
5
10
15
20
Calendar Year
Ann
ual I
nche
s of
Bas
eflo
w
Annual Baseflow (in) using Digital Filter for BennettCreek
1970 1980 1990 20001975
1980
1985
1990
1995
2000
2005
Kendall Tau Trend Test on Annual BaseFlow Index using Digital Filter for BennettCreek
Beginning Year
End
ing
Yea
r
Significance
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1970 1980 1990 20001975
1980
1985
1990
1995
2000
2005
Kendall Tau Trend Test on Annual Discharge (in) for BennettCreek
Beginning Year
End
ing
Yea
r
Upward trendDownward TrendStrong Upward Trend (p
-
1970 1980 1990 2000200
300
400
500
600
700Time Series of Climate Division Soil Moisture for CD: 125
mm
soi
l moi
stur
e
1970 1980 1990 20000.9
0.91
0.92
0.93
0.94
0.95
0.96
Calendar Year
Bas
eflo
w R
eces
sion
Con
stan
t Kb
Annual Kb Values for BennettCreek
Annual Kb valuesMean Kb Using full period
1970 1980 1990 20005
10
15
20
25
30
Calendar Year
base
flow
inch
es
Annual GW Recharge using RORA for BennettCreek
1970 1980 1990 20001970
1975
1980
1985
1990
1995
2000
2005
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Soil Moisture for CD 125
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1970 1980 1990 20001975
1980
1985
1990
1995
2000
2005
2010
Kendall Tau Trend Test on Annual Kb for BennettCreek
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1970 1980 1990 20001975
1980
1985
1990
1995
2000
2005
2010
Kendall Tau Trend Test on Annual Recharge (RORA) for BennettCreek
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1970 1980 1990 20001970
1975
1980
1985
1990
1995
2000
2005
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Baseflow (mean daily value) for BennettCreek
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1970 1980 1990 20001970
1975
1980
1985
1990
1995
2000
2005
Beginning Year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for BennettCreek and CD125
Positive DifferenceNegative Difference
Z
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
1970 1980 1990 20001970
1975
1980
1985
1990
1995
2000
2005
Beginning year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for BennettCreek and CD125
Z
2
1.5
1
0.5
0
0.5
Appendix of Stream Gauges Page 14
-
1940 1950 1960 1970 1980 1990 20000.4
0.5
0.6
0.7
0.8
Calendar Year
Bas
eFlo
w In
dex
Annual BaseFlow Index using Digital Filter for BigElkCreek
1940 1950 1960 1970 1980 1990 20005
10
15
20
25
30
35
Calendar Year
Ann
ual I
nche
s of
Dis
char
ge
Annual Discharge (in) for BigElkCreek
1940 1950 1960 1970 1980 1990 20005
10
15
20
Calendar Year
Ann
ual I
nche
s of
Bas
eflo
w
Annual Baseflow (in) using Digital Filter for BigElkCreek
1940 1950 1960 1970 1980 1990 2000
1950
1960
1970
1980
1990
2000
Kendall Tau Trend Test on Annual BaseFlow Index using Digital Filter for BigElkCreek
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1940 1950 1960 1970 1980 1990 2000
1950
1960
1970
1980
1990
2000
Kendall Tau Trend Test on Annual Discharge (in) for BigElkCreek
Beginning Year
End
ing
Yea
r
Upward trendDownward TrendStrong Upward Trend (p
-
1940 1950 1960 1970 1980 1990 2000200
300
400
500
600
700Time Series of Climate Division Soil Moisture for CD: 125
mm
soi
l moi
stur
e
1940 1950 1960 1970 1980 1990 20000.9
0.92
0.94
0.96
0.98
Calendar Year
Bas
eflo
w R
eces
sion
Con
stan
t Kb
Annual Kb Values for BigElkCreek
Annual Kb valuesMean Kb Using full period
1940 1950 1960 1970 1980 1990 20005
10
15
20
25
Calendar Year
base
flow
inch
es
Annual GW Recharge using RORA for BigElkCreek
1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Soil Moisture for CD 125
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1940 1950 1960 1970 1980 1990 20001940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Kb for BigElkCreek
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1940 1950 1960 1970 1980 1990 20001940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Recharge (RORA) for BigElkCreek
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Baseflow (mean daily value) for BigElkCreek
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for BigElkCreek and CD125
Positive DifferenceNegative Difference
Z
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for BigElkCreek and CD125
Z
1.5
1
0.5
0
0.5
1
Appendix of Stream Gauges Page 16
-
1930 1940 1950 1960 1970 1980 1990 2000
0.35
0.4
0.45
0.5
0.55
0.6
0.65
Calendar Year
Bas
eFlo
w In
dex
Annual BaseFlow Index using Digital Filter for GeorgesCreekFranklin
1930 1940 1950 1960 1970 1980 1990 20000
10
20
30
40
Calendar Year
Ann
ual I
nche
s of
Dis
char
ge
Annual Discharge (in) for GeorgesCreekFranklin
1930 1940 1950 1960 1970 1980 1990 20000
5
10
15
20
Calendar Year
Ann
ual I
nche
s of
Bas
eflo
w
Annual Baseflow (in) using Digital Filter for GeorgesCreekFranklin
1930 1940 1950 1960 1970 1980 1990 20001940
1950
1960
1970
1980
1990
2000
Kendall Tau Trend Test on Annual BaseFlow Index using Digital Filter for GeorgesCreekFranklin
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 20001940
1950
1960
1970
1980
1990
2000
Kendall Tau Trend Test on Annual Discharge (in) for GeorgesCreekFranklin
Beginning Year
End
ing
Yea
r
Upward trendDownward TrendStrong Upward Trend (p
-
1930 1940 1950 1960 1970 1980 1990 2000200
300
400
500
600
700Time Series of Climate Division Soil Moisture for CD: 126
mm
soi
l moi
stur
e
1930 1940 1950 1960 1970 1980 1990 20000.84
0.86
0.88
0.9
0.92
0.94
0.96
Calendar Year
Bas
eflo
w R
eces
sion
Con
stan
t Kb
Annual Kb Values for GeorgesCreekFranklin
Annual Kb valuesMean Kb Using full period
1930 1940 1950 1960 1970 1980 1990 20000
5
10
15
20
25
30
Calendar Year
base
flow
inch
es
Annual GW Recharge using RORA for GeorgesCreekFranklin
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Soil Moisture for CD 126
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 20001940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Kb for GeorgesCreekFranklin
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 20001940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Recharge (RORA) for GeorgesCreekFranklin
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Baseflow (mean daily value) for GeorgesCreekFranklin
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for GeorgesCreekFranklin and CD126
Positive DifferenceNegative Difference
Z
0.5
1
1.5
2
2.5
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for GeorgesCreekFranklin and CD126
Z
2.5
2
1.5
1
0.5
0
0.5
1
1.5
Appendix of Stream Gauges Page 18
-
1950 1960 1970 1980 1990 2000 2010
0.65
0.7
0.75
0.8
0.85
0.9
0.95
Calendar Year
Bas
eFlo
w In
dex
Annual BaseFlow Index using Digital Filter for LittleFallsBlueMount
1950 1960 1970 1980 1990 2000 20105
10
15
20
25
30
35
Calendar Year
Ann
ual I
nche
s of
Dis
char
ge
Annual Discharge (in) for LittleFallsBlueMount
1950 1960 1970 1980 1990 2000 20105
10
15
20
25
Calendar Year
Ann
ual I
nche
s of
Bas
eflo
w
Annual Baseflow (in) using Digital Filter for LittleFallsBlueMount
1950 1960 1970 1980 1990 2000 2010
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual BaseFlow Index using Digital Filter for LittleFallsBlueMount
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1960 1970 1980 1990 2000 2010
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Discharge (in) for LittleFallsBlueMount
Beginning Year
End
ing
Yea
r
Upward trendDownward TrendStrong Upward Trend (p
-
1950 1960 1970 1980 1990 2000200
300
400
500
600
700Time Series of Climate Division Soil Moisture for CD: 125
mm
soi
l moi
stur
e
1950 1960 1970 1980 1990 2000 20100.93
0.94
0.95
0.96
0.97
0.98
0.99
Calendar Year
Bas
eflo
w R
eces
sion
Con
stan
t Kb
Annual Kb Values for LittleFallsBlueMount
Annual Kb valuesMean Kb Using full period
1950 1960 1970 1980 1990 2000 20105
10
15
20
25
30
Calendar Year
base
flow
inch
es
Annual GW Recharge using RORA for LittleFallsBlueMount
1950 1960 1970 1980 1990 20001940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Soil Moisture for CD 125
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1960 1970 1980 1990 2000 20101950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Kb for LittleFallsBlueMount
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1960 1970 1980 1990 2000 20101950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Recharge (RORA) for LittleFallsBlueMount
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1960 1970 1980 1990 20001940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Baseflow (mean daily value) for LittleFallsBlueMount
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1960 1970 1980 1990 20001940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for LittleFallsBlueMount and CD125
Positive DifferenceNegative Difference
Z
0.2
0.4
0.6
0.8
1
1.2
1950 1960 1970 1980 1990 20001940
1950
1960
1970
1980
1990
2000
2010
Beginning year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for LittleFallsBlueMount and CD125
Z
1
0.5
0
0.5
1
Appendix of Stream Gauges Page 20
-
1920 1940 1960 1980 2000
0.35
0.4
0.45
0.5
0.55
0.6
Calendar Year
Bas
eFlo
w In
dex
Annual BaseFlow Index using Digital Filter for BlackwaterRiverWVA
1920 1940 1960 1980 200010
20
30
40
50
60
70
Calendar Year
Ann
ual I
nche
s of
Dis
char
ge
Annual Discharge (in) for BlackwaterRiverWVA
1920 1940 1960 1980 20005
10
15
20
25
30
Calendar Year
Ann
ual I
nche
s of
Bas
eflo
w
Annual Baseflow (in) using Digital Filter for BlackwaterRiverWVA
1920 1940 1960 1980 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual BaseFlow Index using Digital Filter for BlackwaterRiverWVA
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1920 1940 1960 1980 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Discharge (in) for BlackwaterRiverWVA
Beginning Year
End
ing
Yea
r
Upward trendDownward TrendStrong Upward Trend (p
-
1930 1940 1950 1960 1970 1980 1990 2000300
400
500
600
700Time Series of Climate Division Soil Moisture for CD: 323
mm
soi
l moi
stur
e
1920 1940 1960 1980 20000.8
0.85
0.9
0.95
1
Calendar Year
Bas
eflo
w R
eces
sion
Con
stan
t Kb
Annual Kb Values for BlackwaterRiverWVA
Annual Kb valuesMean Kb Using full period
1920 1940 1960 1980 20000
10
20
30
40
Calendar Year
base
flow
inch
es
Annual GW Recharge using RORA for BlackwaterRiverWVA
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Soil Moisture for CD 323
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1920 1940 1960 1980 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Kb for BlackwaterRiverWVA
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1920 1940 1960 1980 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Recharge (RORA) for BlackwaterRiverWVA
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Baseflow (mean daily value) for BlackwaterRiverWVA
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for BlackwaterRiverWVA and CD323
Positive DifferenceNegative Difference
Z
0.5
1
1.5
2
2.5
3
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for BlackwaterRiverWVA and CD323
Z
1.5
1
0.5
0
0.5
1
1.5
2
2.5
3
Appendix of Stream Gauges Page 22
-
1970 1980 1990 2000 20100.55
0.6
0.65
0.7
0.75
0.8
Calendar Year
Bas
eFlo
w In
dex
Annual BaseFlow Index using Digital Filter for BrandywineCreekNEW
1970 1980 1990 2000 20100
10
20
30
40
50
Calendar Year
Ann
ual I
nche
s of
Dis
char
ge
Annual Discharge (in) for BrandywineCreekNEW
1970 1980 1990 2000 20105
10
15
20
25
Calendar Year
Ann
ual I
nche
s of
Bas
eflo
w
Annual Baseflow (in) using Digital Filter for BrandywineCreekNEW
1970 1980 1990 2000 2010
1975
1980
1985
1990
1995
2000
2005
2010
Kendall Tau Trend Test on Annual BaseFlow Index using Digital Filter for BrandywineCreekNEW
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1970 1980 1990 2000 2010
1975
1980
1985
1990
1995
2000
2005
2010
Kendall Tau Trend Test on Annual Discharge (in) for BrandywineCreekNEW
Beginning Year
End
ing
Yea
r
Upward trendDownward TrendStrong Upward Trend (p
-
1970 1980 1990 2000300
400
500
600
700Time Series of Climate Division Soil Moisture for CD: 255
mm
soi
l moi
stur
e
1970 1980 1990 2000 20100.93
0.94
0.95
0.96
0.97
0.98
0.99
Calendar Year
Bas
eflo
w R
eces
sion
Con
stan
t Kb
Annual Kb Values for BrandywineCreekNEW
Annual Kb valuesMean Kb Using full period
1970 1980 1990 2000 20105
10
15
20
25
30
35
Calendar Year
base
flow
inch
es
Annual GW Recharge using RORA for BrandywineCreekNEW
1970 1980 1990 20001965
1970
1975
1980
1985
1990
1995
2000
2005
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Soil Moisture for CD 255
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1970 1980 1990 2000 20101970
1975
1980
1985
1990
1995
2000
2005
2010
Kendall Tau Trend Test on Annual Kb for BrandywineCreekNEW
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1970 1980 1990 2000 20101970
1975
1980
1985
1990
1995
2000
2005
2010
Kendall Tau Trend Test on Annual Recharge (RORA) for BrandywineCreekNEW
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1970 1980 1990 20001965
1970
1975
1980
1985
1990
1995
2000
2005
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Baseflow (mean daily value) for BrandywineCreekNEW
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1970 1980 1990 20001965
1970
1975
1980
1985
1990
1995
2000
2005
Beginning Year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for BrandywineCreekNEW and CD255
Positive DifferenceNegative Difference
Z
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1970 1980 1990 20001965
1970
1975
1980
1985
1990
1995
2000
2005
Beginning year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for BrandywineCreekNEW and CD255
Z
1.5
1
0.5
0
0.5
1
Appendix of Stream Gauges Page 24
-
1930 1940 1950 1960 1970 1980 1990
0.35
0.4
0.45
0.5
0.55
0.6
0.65
Calendar Year
Bas
eFlo
w In
dex
Annual BaseFlow Index using Digital Filter for CacaponWV
1930 1940 1950 1960 1970 1980 19900
5
10
15
20
25
30
Calendar Year
Ann
ual I
nche
s of
Dis
char
ge
Annual Discharge (in) for CacaponWV
1930 1940 1950 1960 1970 1980 19902
4
6
8
10
12
Calendar Year
Ann
ual I
nche
s of
Bas
eflo
w
Annual Baseflow (in) using Digital Filter for CacaponWV
1930 1940 1950 1960 1970 1980 1990
1940
1950
1960
1970
1980
1990
Kendall Tau Trend Test on Annual BaseFlow Index using Digital Filter for CacaponWV
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990
1940
1950
1960
1970
1980
1990
Kendall Tau Trend Test on Annual Discharge (in) for CacaponWV
Beginning Year
End
ing
Yea
r
Upward trendDownward TrendStrong Upward Trend (p
-
1930 1940 1950 1960 1970 1980 1990200
300
400
500
600
700Time Series of Climate Division Soil Moisture for CD: 325
mm
soi
l moi
stur
e
1930 1940 1950 1960 1970 1980 19900.86
0.88
0.9
0.92
0.94
0.96
0.98
Calendar Year
Bas
eflo
w R
eces
sion
Con
stan
t Kb
Annual Kb Values for CacaponWV
Annual Kb valuesMean Kb Using full period
1930 1940 1950 1960 1970 1980 19900
5
10
15
20
Calendar Year
base
flow
inch
es
Annual GW Recharge using RORA for CacaponWV
1930 1940 1950 1960 1970 1980 19901930
1940
1950
1960
1970
1980
1990
2000
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Soil Moisture for CD 325
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 19901930
1940
1950
1960
1970
1980
1990
2000
Kendall Tau Trend Test on Annual Kb for CacaponWV
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 19901930
1940
1950
1960
1970
1980
1990
2000
Kendall Tau Trend Test on Annual Recharge (RORA) for CacaponWV
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 19901930
1940
1950
1960
1970
1980
1990
2000
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Baseflow (mean daily value) for CacaponWV
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 19901930
1940
1950
1960
1970
1980
1990
2000
Beginning Year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for CacaponWV and CD325
Positive DifferenceNegative Difference
Z
0.5
1
1.5
2
2.5
1930 1940 1950 1960 1970 1980 19901930
1940
1950
1960
1970
1980
1990
2000
Beginning year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for CacaponWV and CD325
Z
1.5
1
0.5
0
0.5
1
1.5
2
2.5
Appendix of Stream Gauges Page 26
-
1950 1960 1970 1980 1990 20000.4
0.45
0.5
0.55
0.6
0.65
Calendar Year
Bas
eFlo
w In
dex
Annual BaseFlow Index using Digital Filter for Casselman
1950 1960 1970 1980 1990 200010
20
30
40
50
Calendar Year
Ann
ual I
nche
s of
Dis
char
ge
Annual Discharge (in) for Casselman
1950 1960 1970 1980 1990 20005
10
15
20
25
Calendar Year
Ann
ual I
nche
s of
Bas
eflo
w
Annual Baseflow (in) using Digital Filter for Casselman
1950 1960 1970 1980 1990 2000
1960
1965
1970
1975
1980
1985
1990
1995
2000
2005
Kendall Tau Trend Test on Annual BaseFlow Index using Digital Filter for Casselman
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1960 1970 1980 1990 2000
1960
1965
1970
1975
1980
1985
1990
1995
2000
2005
Kendall Tau Trend Test on Annual Discharge (in) for Casselman
Beginning Year
End
ing
Yea
r
Upward trendDownward TrendStrong Upward Trend (p
-
1950 1960 1970 1980 1990 2000300
400
500
600
700Time Series of Climate Division Soil Moisture for CD: 127
mm
soi
l moi
stur
e
1950 1960 1970 1980 1990 20000.86
0.88
0.9
0.92
0.94
0.96
Calendar Year
Bas
eflo
w R
eces
sion
Con
stan
t Kb
Annual Kb Values for Casselman
Annual Kb valuesMean Kb Using full period
1950 1960 1970 1980 1990 200010
15
20
25
30
35
Calendar Year
base
flow
inch
es
Annual GW Recharge using RORA for Casselman
1950 1960 1970 1980 1990 20001950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Soil Moisture for CD 127
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1960 1970 1980 1990 20001950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Kb for Casselman
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1960 1970 1980 1990 20001950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Recharge (RORA) for Casselman
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1960 1970 1980 1990 20001950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Baseflow (mean daily value) for Casselman
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1960 1970 1980 1990 20001950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for Casselman and CD127
Positive DifferenceNegative Difference
Z
0
0.5
1
1.5
2
2.5
3
1950 1960 1970 1980 1990 20001950
1960
1970
1980
1990
2000
2010
Beginning year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for Casselman and CD127
Z
1
0.5
0
0.5
1
1.5
2
2.5
3
Appendix of Stream Gauges Page 28
-
1950 1960 1970 1980 1990 2000 20100.4
0.5
0.6
0.7
0.8
Calendar Year
Bas
eFlo
w In
dex
Annual BaseFlow Index using Digital Filter for ChoptankGreensboro
1950 1960 1970 1980 1990 2000 20100
10
20
30
40
Calendar Year
Ann
ual I
nche
s of
Dis
char
ge
Annual Discharge (in) for ChoptankGreensboro
1950 1960 1970 1980 1990 2000 20100
5
10
15
20
25
Calendar Year
Ann
ual I
nche
s of
Bas
eflo
w
Annual Baseflow (in) using Digital Filter for ChoptankGreensboro
1950 1960 1970 1980 1990 2000 2010
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual BaseFlow Index using Digital Filter for ChoptankGreensboro
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1960 1970 1980 1990 2000 2010
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Discharge (in) for ChoptankGreensboro
Beginning Year
End
ing
Yea
r
Upward trendDownward TrendStrong Upward Trend (p
-
1950 1960 1970 1980 1990 2000200
300
400
500
600
700Time Series of Climate Division Soil Moisture for CD: 121
mm
soi
l moi
stur
e
1950 1960 1970 1980 1990 2000 20100.86
0.88
0.9
0.92
0.94
0.96
Calendar Year
Bas
eflo
w R
eces
sion
Con
stan
t Kb
Annual Kb Values for ChoptankGreensboro
Annual Kb valuesMean Kb Using full period
1950 1960 1970 1980 1990 2000 20105
10
15
20
25
30
Calendar Year
base
flow
inch
es
Annual GW Recharge using RORA for ChoptankGreensboro
1950 1960 1970 1980 1990 20001950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Soil Moisture for CD 121
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1960 1970 1980 1990 2000 20101950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Kb for ChoptankGreensboro
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1960 1970 1980 1990 2000 20101950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Recharge (RORA) for ChoptankGreensboro
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1960 1970 1980 1990 20001950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Baseflow (mean daily value) for ChoptankGreensboro
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1950 1960 1970 1980 1990 20001950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for ChoptankGreensboro and CD121
Positive DifferenceNegative Difference
Z
0.5
1
1.5
2
1950 1960 1970 1980 1990 20001950
1960
1970
1980
1990
2000
2010
Beginning year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for ChoptankGreensboro and CD121
Z
1.5
1
0.5
0
0.5
1
1.5
2
Appendix of Stream Gauges Page 30
-
1930 1940 1950 1960 1970 1980 1990 2000 20100.45
0.5
0.55
0.6
0.65
0.7
0.75
Calendar Year
Bas
eFlo
w In
dex
Annual BaseFlow Index using Digital Filter for Conococheague
1930 1940 1950 1960 1970 1980 1990 2000 20100
10
20
30
40
Calendar Year
Ann
ual I
nche
s of
Dis
char
ge
Annual Discharge (in) for Conococheague
1930 1940 1950 1960 1970 1980 1990 2000 20100
5
10
15
20
25
Calendar Year
Ann
ual I
nche
s of
Bas
eflo
w
Annual Baseflow (in) using Digital Filter for Conococheague
1930 1940 1950 1960 1970 1980 1990 2000 2010
1940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual BaseFlow Index using Digital Filter for Conococheague
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 2000 2010
1940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Discharge (in) for Conococheague
Beginning Year
End
ing
Yea
r
Upward trendDownward TrendStrong Upward Trend (p
-
1930 1940 1950 1960 1970 1980 1990 2000200
300
400
500
600
700Time Series of Climate Division Soil Moisture for CD: 126
mm
soi
l moi
stur
e
1930 1940 1950 1960 1970 1980 1990 2000 20100.88
0.9
0.92
0.94
0.96
0.98
Calendar Year
Bas
eflo
w R
eces
sion
Con
stan
t Kb
Annual Kb Values for Conococheague
Annual Kb valuesMean Kb Using full period
1930 1940 1950 1960 1970 1980 1990 2000 20105
10
15
20
25
30
35
Calendar Year
base
flow
inch
es
Annual GW Recharge using RORA for Conococheague
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Soil Moisture for CD 126
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 2000 20101930
1940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Kb for Conococheague
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 2000 20101930
1940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Recharge (RORA) for Conococheague
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
Yea
r
Seasonal Kendall Tau on Monthly Baseflow (mean daily value) for Conococheague
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning Year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for Conococheague and CD126
Positive DifferenceNegative Difference
Z
0.5
1
1.5
2
2.5
3
1930 1940 1950 1960 1970 1980 1990 20001930
1940
1950
1960
1970
1980
1990
2000
2010
Beginning year
End
ing
year
Diff. Of SKT Z score(Monthly BF) SKT Z score(Monthly SM) for Conococheague and CD126
Z
2
1
0
1
2
3
Appendix of Stream Gauges Page 32
-
1930 1940 1950 1960 1970 1980 1990 2000 2010
0.65
0.7
0.75
0.8
0.85
Calendar Year
Bas
eFlo
w In
dex
Annual BaseFlow Index using Digital Filter for DeerCreekatRocksMD
1930 1940 1950 1960 1970 1980 1990 2000 20105
10
15
20
25
30
35
Calendar Year
Ann
ual I
nche
s of
Dis
char
ge
Annual Discharge (in) for DeerCreekatRocksMD
1930 1940 1950 1960 1970 1980 1990 2000 20105
10
15
20
25
Calendar Year
Ann
ual I
nche
s of
Bas
eflo
w
Annual Baseflow (in) using Digital Filter for DeerCreekatRocksMD
1930 1940 1950 1960 1970 1980 1990 2000 2010
1940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual BaseFlow Index using Digital Filter for DeerCreekatRocksMD
Beginning Year
End
ing
Yea
r
Significance
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
1930 1940 1950 1960 1970 1980 1990 2000 2010
1940
1950
1960
1970
1980
1990
2000
2010
Kendall Tau Trend Test on Annual Discharge (in) for DeerCreekatRocksMD
Beginning Year
End
ing
Yea
r
Upward trendDownward TrendStrong Upward Trend (p
-
1930 1940 1950 1960 1970 1980 1990 2000200
300
400
500
600
700Time Series of Climate Division Soil Moisture for CD: 125
mm
soi
l moi
stur
e
1930 1940 1950 1960 1970 1980 1990 2000 20100.93
0.94
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