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Web: www.cedare.org E-mail: [email protected] إدارة الموارد المائية
Water Resources Management Web: water.cedare.org E-mail: [email protected]
برنامج إدارة الموارد المائيةWater Resources Management Programme
Copyright © 2012, CEDARE
Assessment of climate change induced water stress in the Nile Basin
Mohamed Elrawady, Regional Water Resources Specialist, Centre for
Environment & Development for the Arab Region & Europe (CEDARE), 2 ElHegaz Street, Heliopolis, Cairo, Egypt, e-mail: [email protected]
THIRD WORKSHOP ON WATER AND ADAPTATION TO CLIMATE CHANGE IN
TRANSBOUNDARY BASINS: CHALLENGES, PROGRESS AND LESSONS LEARNT, PALAIS DES NATIONS, GENEVA, 25-26 April, 2012
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Web: www.cedare.org E-mail: [email protected] إدارة الموارد المائية
Water Resources Management Web: water.cedare.org E-mail: [email protected]
برنامج إدارة الموارد المائيةWater Resources Management Programme
Copyright © 2012, CEDARE
Nile Basin 10% of Africa Drainage area of 3 Million sq. km 171 million inhabitants with
various levels of dependency. 11 countries Three rainfall regime zones:
Arid, tropical, and equatorial Annual rainfall varies from
120 mm to 2450 mm
Source: Loucks and Beek, 2005
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Web: www.cedare.org E-mail: [email protected] إدارة الموارد المائية
Water Resources Management Web: water.cedare.org E-mail: [email protected]
برنامج إدارة الموارد المائيةWater Resources Management Programme
Copyright © 2012, CEDARE
Objectives of Assessment Reaching a common joint assessment on the
basin’s water resources. Reaching a common joint assessment on
climate change impact on the basin’s water resources.
Formulating a hydrological model that will be capable of simulating different adaptation strategies to deal with different future scenarios.
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Web: www.cedare.org E-mail: [email protected] إدارة الموارد المائية
Water Resources Management Web: water.cedare.org E-mail: [email protected]
برنامج إدارة الموارد المائيةWater Resources Management Programme
Copyright © 2012, CEDARE
Innovative Approaches: Basin Population
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Web: www.cedare.org E-mail: [email protected] إدارة الموارد المائية
Water Resources Management Web: water.cedare.org E-mail: [email protected]
برنامج إدارة الموارد المائيةWater Resources Management Programme
Copyright © 2012, CEDARE
Innovative Approaches: Blue and Green Water Assessment
8367
527
234 37
758
1816
9 2636
413
556
1279
137
4512
371
2137
1026
155
40 1025
118
4443
9118
1128
7513
94
1189
541
0100002000030000400005000060000700008000090000
Congo
SudanTanzania
Ethiopia
Eritrea
Uganda
KenyaBurundi
Rwanda
Egypt
cubic meter/capita/Year (1995) square meter/capita (1995)
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Web: www.cedare.org E-mail: [email protected] إدارة الموارد المائية
Water Resources Management Web: water.cedare.org E-mail: [email protected]
برنامج إدارة الموارد المائيةWater Resources Management Programme
Copyright © 2012, CEDARE
Land Use change Normalized Difference
Vegetation Index (NDVI) is used to indicate the spatial and temporal variation of green cover.
Terrestrial Evapo-Transpiration (ET )dynamics in the Nile Basin is governed by climatic factors and change in land cover.
sou Source:
Henok et al. 2012
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Web: www.cedare.org E-mail: [email protected] إدارة الموارد المائية
Water Resources Management Web: water.cedare.org E-mail: [email protected]
برنامج إدارة الموارد المائيةWater Resources Management Programme
Copyright © 2012, CEDARE
Nile Countries Sectoral Withdrawals (% of Total)
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Web: www.cedare.org E-mail: [email protected] إدارة الموارد المائية
Water Resources Management Web: water.cedare.org E-mail: [email protected]
برنامج إدارة الموارد المائيةWater Resources Management Programme
Copyright © 2012, CEDARE
Transboundary Surface and Groundwater Flows (AQUASTAT&CEDARE)
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Web: www.cedare.org E-mail: [email protected] إدارة الموارد المائية
Water Resources Management Web: water.cedare.org E-mail: [email protected]
برنامج إدارة الموارد المائيةWater Resources Management Programme
Copyright © 2012, CEDARE
Groundwater as a strategic resource
The groundwater availability and usage in the Nile Basin has been assessed.
Groundwater storage in different aquifers of the Nile River basin has higher future potential than the surface water storage.
Sustainable groundwater management practices are needed in order to preserve both the quantity and quality of groundwater in the basin in order to overcome the negative impact of climate change.
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Web: www.cedare.org E-mail: [email protected] إدارة الموارد المائية
Water Resources Management Web: water.cedare.org E-mail: [email protected]
برنامج إدارة الموارد المائيةWater Resources Management Programme
Copyright © 2012, CEDARE
Important Findings There is evidence from instrumental records that due to climate
change, rainfall trends and river flow regimes have changed. Areas that require attention in regards to fresh water supply due to
climate changes: • Ruwenzori Mt, Ethiopian plateau • Nile confluence in Sudan • Nile Delta and Nile valley in Egypt
Areas with Increased green cover: Toshka Depression and Aswan in Egypt Wadi Halfa, Ash shalal ar Rabia, and Korti in Sudan Busia in Uganda Kisumu in Kenya Toshka
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Web: www.cedare.org E-mail: [email protected] إدارة الموارد المائية
Water Resources Management Web: water.cedare.org E-mail: [email protected]
برنامج إدارة الموارد المائيةWater Resources Management Programme
Copyright © 2012, CEDARE
Ongoing & Future Research Updating green and Blue water
Assessment using NDVI and GIS. Assess the impact of current and future
urbanization on water resources. Modeling different climate change
scenarios.
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Web: www.cedare.org E-mail: [email protected] إدارة الموارد المائية
Water Resources Management Web: water.cedare.org E-mail: [email protected]
برنامج إدارة الموارد المائيةWater Resources Management Programme
Copyright © 2012, CEDARE
THANK YOU