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A New Approach to Modeling Water Balance in Nile River Basin, Africa

Author

Listed:
  • Marye Belete

    (College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
    Agriculture and Environmental Sciences Faculty, Debre Tabor University, Debre Tabor 272, Ethiopia)

  • Jinsong Deng

    (College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
    School of Civil Engineering and Environmental Sciences and School of Meteorology, University of Oklahoma, Norman, OK 73019, USA)

  • Mengmeng Zhou

    (College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China)

  • Ke Wang

    (College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China)

  • Shixue You

    (College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China)

  • Yang Hong

    (School of Civil Engineering and Environmental Sciences and School of Meteorology, University of Oklahoma, Norman, OK 73019, USA
    State Key Laboratory of Hydro Science and Engineering, Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, China)

  • Melanie Weston

    (College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China)

Abstract

The demand for calculating and mapping water yield is increasing for inaccessible locations or areas of conflict to support decision makers. Integrated Valuation of Environmental Services and Tradeoffs (InVEST) was applied to simulate basin hydrology. InVEST is becoming popular in the water modeling community due to its low requirements for input information, level of skill and model setup is available to the public domain. Estimation and mapping of water production, evapotranspiration and precipitation of the Nile River Basin have been performed by using open access data. This study utilized climate, soil and land use related data to model the key components of the water balance in the study region. Maps of the key parts of water balance were also produced. The spatial patterns of precipitation, actual evapotranspiration and water yield show sharp decline from south to northern part of the study basin while actual evapotranspiration fraction happens to the opposite. Our analysis confirms the ability of the InVEST water yield model to estimate water production capacity of a different part of a basin without flow meters.

Suggested Citation

  • Marye Belete & Jinsong Deng & Mengmeng Zhou & Ke Wang & Shixue You & Yang Hong & Melanie Weston, 2018. "A New Approach to Modeling Water Balance in Nile River Basin, Africa," Sustainability, MDPI, vol. 10(3), pages 1-14, March.
  • Handle: RePEc:gam:jsusta:v:10:y:2018:i:3:p:810-:d:136295
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    References listed on IDEAS

    as
    1. Robyn Johnston & Vladimir Smakhtin, 2014. "Hydrological Modeling of Large river Basins: How Much is Enough?," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 28(10), pages 2695-2730, August.
    2. Kirby, M., 2010. "Water-use accounts in CPWF basins: simple water-use accounting of the Volta Basin," IWMI Working Papers H042842, International Water Management Institute.
    3. Willcock, Simon & Hooftman, Danny & Sitas, Nadia & O’Farrell, Patrick & Hudson, Malcolm D. & Reyers, Belinda & Eigenbrod, Felix & Bullock, James M., 2016. "Do ecosystem service maps and models meet stakeholders’ needs? A preliminary survey across sub-Saharan Africa," Ecosystem Services, Elsevier, vol. 18(C), pages 110-117.
    4. Kirby, M., 2010. "Water-use accounts in CPWF basins Simple water-use accounting of the Nile Basin," IWMI Working Papers H042841, International Water Management Institute.
    5. Mainuddin, M., 2010. "Water-use accounts in CPWF basins: simple water-use accounting of the Limpopo Basin," IWMI Working Papers H042844, International Water Management Institute.
    6. Mainuddin, M., 2010. "Water-use accounts in CPWF basins: simple water-use accounting of the Niger Basin," IWMI Working Papers H042847, International Water Management Institute.
    7. Awulachew, Seleshi Bekele, 2008. "A review of hydrology, sediment and water resource use in the Blue Nile Basin," IWMI Working Papers H041833, International Water Management Institute.
    Full references (including those not matched with items on IDEAS)

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    Cited by:

    1. World Bank, 2023. "Mapping and Valuing Ecosystem Services for Sustainable Landscape Management in Zimbabwe," World Bank Publications - Reports 40116, The World Bank Group.
    2. Peng Li & Zhen He & Jianwu Cai & Jing Zhang & Marye Belete & Jinsong Deng & Shizong Wang, 2022. "Identify the Impacts of the Grand Ethiopian Renaissance Dam on Watershed Sediment and Water Yields Dynamics," Sustainability, MDPI, vol. 14(13), pages 1-16, June.
    3. Caroline King-Okumu, 2018. "Valuing Environmental Benefit Streams in the Dryland Ecosystems of Sub-Saharan Africa," Land, MDPI, vol. 7(4), pages 1-23, November.

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