1 ReachGains.docx Draft Design Document: Reach Gain Calibration Targets for the Big Wood River and Silver Creek By Jennifer Sukow, IDWR Table of Contents Design document description and purpose .................................................................................................. 4 Problem statement ....................................................................................................................................... 5 Data availability............................................................................................................................................. 7 Continuous recording streamflow gages .................................................................................................. 7 Diversions.................................................................................................................................................. 9 Return flows .............................................................................................................................................. 9 Exchange wells .......................................................................................................................................... 9 Seepage surveys ...................................................................................................................................... 10 Calculation of transient calibration targets for gaged reaches................................................................... 10 Reach gain calculations ........................................................................................................................... 12 Correlation between gages ..................................................................................................................... 12 Estimating contributions from ungaged tributaries ............................................................................... 16 Proposed transient reach gain targets.................................................................................................... 21 Big Wood River, near Ketchum to Hailey reach .................................................................................. 21 Big Wood River, Hailey to Stanton Crossing reach ............................................................................. 23 Willow Creek ....................................................................................................................................... 24 Silver Creek above Sportsman Access................................................................................................. 26 Calculation of average calibration targets for subreaches ......................................................................... 27 Subreach seepage survey results ............................................................................................................ 29
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Reach Gain Calibration Targets for the Big Wood River and ... · 5/28/2014 · Trail Creek, and East Fork). Willow Creek, a spring-fed stream tributary to the Big Wood River downstream
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1 ReachGains.docx
Draft Design Document: Reach Gain Calibration Targets for the Big Wood River and Silver Creek
By Jennifer Sukow, IDWR
Table of Contents Design document description and purpose .................................................................................................. 4
Problem statement ....................................................................................................................................... 5
Data availability ............................................................................................................................................. 7
Calculation of transient calibration targets for gaged reaches................................................................... 10
Reach gain calculations ........................................................................................................................... 12
Correlation between gages ..................................................................................................................... 12
Estimating contributions from ungaged tributaries ............................................................................... 16
Proposed transient reach gain targets .................................................................................................... 21
Big Wood River, near Ketchum to Hailey reach .................................................................................. 21
Big Wood River, Hailey to Stanton Crossing reach ............................................................................. 23
Willow Creek ....................................................................................................................................... 24
Silver Creek above Sportsman Access ................................................................................................. 26
Calculation of average calibration targets for subreaches ......................................................................... 27
Where [Out] = streamflow at downstream end of reach
[In] = streamflow at upstream end of reach
[Trib] = inflow from tributary streams
[Div] = diversions
[Ret] = return flow from irrigation canals or ponds
[Exch] = inflow from exchange wells
[WWTP] = inflow from wastewater treatment plant
Correlation between gages
Gaging stations at the Big Wood River near Ketchum, the North Fork Big Wood River, Warm
Springs Creek, Trail Creek, and East Fork were not in operation during the model calibration period
(1995-2010). These gaging stations are all located within the near Ketchum to Hailey reach. Daily
streamflow data collected at these stations between October 2010 and July 2013 were correlated with
daily streamflow measured in the Big Wood River at Hailey (Figure 4 through Figure 8). These
correlations were used to predict historic streamflow during the model calibration period.
The Big Wood River near Ketchum gaging station was also operated prior to the model
calibration period between 1948 and 1971. The MTAC requested the correlation between streamflow in
the Big Wood River near Ketchum and at Hailey be evaluated using the older historic data. Figure 9
compares the correlation of the 1948 through 1971 data with the correlation of the 2011 through 2013
data. The correlation is very similar for both time periods.
13 ReachGains.docx
Figure 4. Correlation between streamflow in Big Wood River near Ketchum and Big Wood River at Hailey, 4/21/2011 to 7/17/2013.
Figure 5. Correlation between streamflow in North Fork Big Wood River near SNRA HQ and Big Wood River at Hailey, 4/8/2011 to 7/17/2013.
y = 0.3475x + 0.1845 R² = 0.9612
0
200
400
600
800
1000
1200
1400
1600
0 500 1000 1500 2000 2500 3000 3500
Dai
ly a
vera
ge d
isch
arge
, Big
Wo
od
Riv
er
ne
ar
Ke
tch
um
(cf
s)
Daily average discharge, Big Wood River at Hailey (cfs)
y = 0.1685x - 14.773 R² = 0.8195
0
100
200
300
400
500
600
700
0 500 1000 1500 2000 2500 3000 3500
Dai
ly a
vera
ge d
isch
arge
, No
rth
Fo
rk n
ear
SN
RA
HQ
(cf
s)
Daily average discharge, Big Wood River at Hailey (cfs)
14 ReachGains.docx
Figure 6. Correlation between streamflow in Warm Springs Creek near Ketchum and Big Wood River at Hailey, 1/27/2011 to 7/17/2013.
Figure 7. Correlation between streamflow in Trail Creek at Ketchum and Big Wood River at Hailey, 11/17/2010 to 7/17/2013.
y = 0.1674x + 6.9936 R² = 0.842
0
100
200
300
400
500
600
700
0 500 1000 1500 2000 2500 3000 3500
Dai
ly a
vera
ge d
isch
arge
, War
m S
pri
ngs
Cre
ek
(cfs
)
Daily average discharge, Big Wood River at Hailey (cfs)
y = 0.1282x - 17.199 R² = 0.8171
0
100
200
300
400
500
600
0 500 1000 1500 2000 2500 3000 3500
Dai
ly a
vera
ge d
isch
arge
, Tra
il C
ree
k (c
fs)
Daily average discharge, Big Wood River at Hailey (cfs)
15 ReachGains.docx
Figure 8. Correlation between streamflow in East Fork Big Wood River at Gimlet and Big Wood River at Hailey, 10/20/2010 to 7/17/2013.
Figure 9. Correlation between streamflow in Big Wood River near Ketchum and Big Wood River at Hailey, 6/1/1948 to 9/30/1971 and 4/21/2011 to 7/17/2013.
y = 0.1223x - 8.9023 R² = 0.816
0
100
200
300
400
500
600
0 500 1000 1500 2000 2500 3000 3500
Dai
ly a
vera
ge d
isch
arge
, Eas
t Fo
rk (
cfs)
Daily average discharge, Big Wood River at Hailey (cfs)
TSPROC baseflow separation filter settings for gages in near Ketchum to Hailey reach START SETTINGS CONTEXT pest_input DATE_FORMAT mm/dd/yyyy END SETTINGS #################################################################### # River flows are read from a site sample file. #################################################################### START GET_MUL_SERIES_SSF CONTEXT all FILE DailyFlows.prn SITE 13135500 NEW_SERIES_NAME BWRnrKet SITE 13135520 NEW_SERIES_NAME NFnrSNRA SITE 13137000 NEW_SERIES_NAME WarmSpCk SITE 13137500 NEW_SERIES_NAME TrailCk SITE 13138000 NEW_SERIES_NAME EastFk SITE 13139510 NEW_SERIES_NAME BWRHail DATE_1 01/01/1995 TIME_1 12:00:00 DATE_2 07/17/2013 TIME_1 12:00:00 END GET_MUL_SERIES_SSF #################################################################### # Baseflow separation filter is implemented on each series. #################################################################### START DIGITAL_FILTER CONTEXT all FILTER_TYPE baseflow_separation SERIES_NAME BWRnrKet NEW_SERIES_NAME qflowBWRnK ALPHA 0.98 PASSES 1 CLIP_INPUT yes CLIP_ZERO yes
35 ReachGains.docx
END DIGITAL_FILTER START DIGITAL_FILTER CONTEXT all FILTER_TYPE baseflow_separation SERIES_NAME NFnrSNRA NEW_SERIES_NAME qflowNF ALPHA 0.98 PASSES 1 CLIP_INPUT yes CLIP_ZERO yes END DIGITAL_FILTER START DIGITAL_FILTER CONTEXT all FILTER_TYPE baseflow_separation SERIES_NAME WarmSpCk NEW_SERIES_NAME qflowWmSp ALPHA 0.98 PASSES 1 CLIP_INPUT yes CLIP_ZERO yes END DIGITAL_FILTER START DIGITAL_FILTER CONTEXT all FILTER_TYPE baseflow_separation SERIES_NAME TrailCk NEW_SERIES_NAME qflowTrail ALPHA 0.98 PASSES 1 CLIP_INPUT yes CLIP_ZERO yes END DIGITAL_FILTER START DIGITAL_FILTER CONTEXT all FILTER_TYPE baseflow_separation SERIES_NAME EastFk NEW_SERIES_NAME qflowEast ALPHA 0.98 PASSES 1 CLIP_INPUT yes
36 ReachGains.docx
CLIP_ZERO yes END DIGITAL_FILTER START DIGITAL_FILTER CONTEXT all FILTER_TYPE baseflow_separation SERIES_NAME BWRHail NEW_SERIES_NAME qflowBWRHa ALPHA 0.98 PASSES 1 CLIP_INPUT yes CLIP_ZERO yes END DIGITAL_FILTER #################################################################### # Baseflow separation filter output is written to a file. #################################################################### START LIST_OUTPUT CONTEXT all FILE qflow.out SERIES_NAME qflowBWRnK SERIES_FORMAT short SERIES_NAME qflowNF SERIES_FORMAT short SERIES_NAME qflowWmSp SERIES_FORMAT short SERIES_NAME qflowTrail SERIES_FORMAT short SERIES_NAME qflowEast SERIES_FORMAT short SERIES_NAME qflowBWRHa SERIES_FORMAT short END LIST_OUTPUT_BLOCK
37 ReachGains.docx
TSPROC baseflow separation filter settings for Stanton Crossing gage
START SETTINGS CONTEXT pest_input DATE_FORMAT mm/dd/yyyy END SETTINGS #################################################################### # River flows are read from a site sample file. #################################################################### START GET_SERIES_SSF CONTEXT all FILE Stanton.prn SITE 13140800 NEW_SERIES_NAME BWRStant END GET_SERIES_SSF #################################################################### # Baseflow separation filter is implemented on each series. #################################################################### START DIGITAL_FILTER CONTEXT all FILTER_TYPE baseflow_separation SERIES_NAME BWRStant NEW_SERIES_NAME qflowStant ALPHA 0.98 PASSES 1 CLIP_INPUT yes CLIP_ZERO yes END DIGITAL_FILTER #################################################################### # Baseflow separation filter output is written to a file. #################################################################### START LIST_OUTPUT CONTEXT all FILE Stant.out SERIES_NAME qflowStant SERIES_FORMAT short END LIST_OUTPUT_BLOCK