Blue Nile Hydro- solidarity Progress: Blue Nile hydro-solidarity research Promoter: Prof. Dr. Stefan Uhlenbrook (UNESCO-IHE / Tu Delft) Co-promoter: Prof. Dr. Hubert Savenije (TU-Delft) Supervisor: Dr. Yasir Mohammed (UNESCO-IHE, TU Delft / HRS) By Sirak Tekleab Gebrekristos Dec. 8/2011 (UNESCO-IHE, TU Delft / HRS) Co-supervisor: Dr. Jochen Wenninger (UNESCO-IHE / Tu Delft)
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Supervisor: Dr. Yasir Mohammed (UNESCO -IHE, TU Delft ... · (UNESCO -IHE, TU Delft / HRS) By Sirak Tekleab Gebrekristos Dec. 8/2011 Co-supervisor: Dr. Jochen Wenninger (UNESCO-IHE
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Blue Nile
Hydro-
solidarity
Progress: Blue Nile hydro-solidarity research
Promoter: Prof. Dr. Stefan Uhlenbrook (UNESCO-IHE / Tu Delft)Co-promoter: Prof. Dr. Hubert Savenije (TU-Delft)
Supervisor: Dr. Yasir Mohammed
(UNESCO-IHE, TU Delft / HRS)
By Sirak Tekleab Gebrekristos
Dec. 8/2011
(UNESCO-IHE, TU Delft / HRS)
Co-supervisor: Dr. Jochen Wenninger
(UNESCO-IHE / Tu Delft)
Blue Nile
Hydro-
solidarity
Outline
• Part I Field Measurements
• Part II Draft Manuscript
• Part III Current status of the • Part III Current status of the
research
Blue Nile
Hydro-
solidarity
FIELD MEASURMENT
Part -I
FIELD MEASURMENT
Blue Nile
Hydro-
solidarity Experimental catchment Chemoga and Jedeb
Blue Nile
Hydro-
solidarity
Updating the rating curve at Chemoga and Jedeb rivers
Blue Nile
Hydro-
solidarity
Updating the rating curve at Chemoga and Jedeb rivers
-16 and 14measurments have been taken at
Chemoga and Jedeb respectively.
Blue Nile
Hydro-
solidarity Chemoga monthly rainfall
200
250
300
350
Rai
nfal
l (m
m/m
onth
)
Monthly rainfall in Chemoga catchment July 2009-Aug.2011
0
50
100
150
200
Jan-
09
Feb-
09
Mar
-09
Apr
-09
May
-09
Jun-
09
Jul-
09
Aug
-09
Sep-
09
Oct
-09
Nov
-09
Dec
-09
Jan-
10
Feb-
10
Mar
-10
Apr
-10
May
-10
Jun-
10
Jul-
10
Aug
-10
Sep-
10
Oct
-10
Nov
-10
Dec
-10
Jan-
11
Feb-
11
Mar
-11
Apr
-11
May
-11
Jun-
11
Jul-
11
Aug
-11
Rai
nfal
l (m
m/m
onth
)
Time (Month)
Blue Nile
Hydro-
solidarity Rating curve Chemoga
Blue Nile
Hydro-
solidarity Chemoga rainfall and discharge (July 2009-Aug.2011)
0
20
40
60
60
80
100
120
140
Rai
nfal
l (m
m/d
)
Dis
char
ge (
m^3
/s)
Rainfall
Dischar80
100
1200
20
40
60
7/1/
2009
9/1/
2009
11/1
/200
9
1/1/
2010
3/1/
2010
5/1/
2010
7/1/
2010
9/1/
2010
11/1
/201
0
1/1/
2011
3/1/
2011
5/1/
2011
7/1/
2011
Rai
nfal
l (m
m/d
)
Dis
char
ge (
m^3
/s)
Time (Day)
Discharge
Blue Nile
Hydro-
solidarity Jedeb monthly rainfall
Blue Nile
Hydro-
solidarity Rating curve Jedeb
Blue Nile
Hydro-
solidarity Jedeb rainfall and discharge (July 2009-Aug.2011)
Blue Nile
Hydro-
solidarity
Draft Manuscript
PART II
Hydro-climatic trends in the upper Abay / Blue Nile
basin
Blue Nile
Hydro-
solidarity
Hydro-climatic trends in the upper
Abay / Blue Nile basin, Ethiopia
1 UNESCO-IHE Institute for Water Education, P.O. Box 3015, 2601 DA Delft,
The Netherlands.
S.Tekleab 1, 2, 3, 4, Y. Mohamed 1, 4 & S. Uhlenbrook 1,
4,
The Netherlands.2 Addis Ababa University, Institute for Environment, Water and