Understanding the hydrological impacts of climate change in the Tana River Basin
The Tana River is one of Kenya’s most important rivers. It is the principal water source for Nairobi, the capital city, providing water for hydroelectric power generation and irrigation. Several of the flagship projects laid out in Vision 2030 - the blueprint that guides Kenya’s national development...
| Autores principales: | , , , |
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| Formato: | Artículo preliminar |
| Lenguaje: | Inglés |
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International Water Management Institute
2017
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/91057 |
| _version_ | 1855543196926345216 |
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| author | Sood, Aditya Muthuwatta, Lal P. Silva, Sandeepana McCartney, Matthew P. |
| author_browse | McCartney, Matthew P. Muthuwatta, Lal P. Silva, Sandeepana Sood, Aditya |
| author_facet | Sood, Aditya Muthuwatta, Lal P. Silva, Sandeepana McCartney, Matthew P. |
| author_sort | Sood, Aditya |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | The Tana River is one of Kenya’s most important rivers. It is the principal water source for Nairobi, the capital city, providing water for hydroelectric power generation and irrigation. Several of the flagship projects laid out in Vision 2030 - the blueprint that guides Kenya’s national development – are located in the basin. This report presents the findings of a study to determine the possible impacts of climate change on the hydrology of the basin. Data from seven Regional Circulation Models (RCMs), simulating two Representative Concentration Pathways (RCPs), were used as input to the Soil and Water Assessment Tool (SWAT) hydrological model. For both RCPs, rainfall is projected to increase across the basin over the remainder of the twenty-first century. Associated increases in water yield, groundwater recharge and baseflow point to an improved water resource situation in the future. However, declining natural flow regulation, increased variability, and considerable increases in the frequency and magnitude of floods pose a risk that threatens to undermine development opportunities. Water resource management will be much more difficult than under historic climatic conditions. |
| format | Artículo preliminar |
| id | CGSpace91057 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2017 |
| publishDateRange | 2017 |
| publishDateSort | 2017 |
| publisher | International Water Management Institute |
| publisherStr | International Water Management Institute |
| record_format | dspace |
| spelling | CGSpace910572025-11-07T08:47:13Z Understanding the hydrological impacts of climate change in the Tana River Basin Sood, Aditya Muthuwatta, Lal P. Silva, Sandeepana McCartney, Matthew P. climate change rain evapotranspiration flooding river basin hydrology discharges water yield groundwater recharge natural resources infrastructure land use ecosystem services soil water The Tana River is one of Kenya’s most important rivers. It is the principal water source for Nairobi, the capital city, providing water for hydroelectric power generation and irrigation. Several of the flagship projects laid out in Vision 2030 - the blueprint that guides Kenya’s national development – are located in the basin. This report presents the findings of a study to determine the possible impacts of climate change on the hydrology of the basin. Data from seven Regional Circulation Models (RCMs), simulating two Representative Concentration Pathways (RCPs), were used as input to the Soil and Water Assessment Tool (SWAT) hydrological model. For both RCPs, rainfall is projected to increase across the basin over the remainder of the twenty-first century. Associated increases in water yield, groundwater recharge and baseflow point to an improved water resource situation in the future. However, declining natural flow regulation, increased variability, and considerable increases in the frequency and magnitude of floods pose a risk that threatens to undermine development opportunities. Water resource management will be much more difficult than under historic climatic conditions. 2017 2018-02-21T08:58:57Z 2018-02-21T08:58:57Z Working Paper https://hdl.handle.net/10568/91057 en Open Access application/pdf International Water Management Institute Sood, Aditya; Muthuwatta, Lal; Silva, Sandeepana; McCartney, Matthew. 2017. Understanding the hydrological impacts of climate change in the Tana River Basin. Colombo, Sri Lanka: International Water Management Institute (IWMI). 40p. (IWMI Working Paper 178) doi: 10.5337/2017.220 |
| spellingShingle | climate change rain evapotranspiration flooding river basin hydrology discharges water yield groundwater recharge natural resources infrastructure land use ecosystem services soil water Sood, Aditya Muthuwatta, Lal P. Silva, Sandeepana McCartney, Matthew P. Understanding the hydrological impacts of climate change in the Tana River Basin |
| title | Understanding the hydrological impacts of climate change in the Tana River Basin |
| title_full | Understanding the hydrological impacts of climate change in the Tana River Basin |
| title_fullStr | Understanding the hydrological impacts of climate change in the Tana River Basin |
| title_full_unstemmed | Understanding the hydrological impacts of climate change in the Tana River Basin |
| title_short | Understanding the hydrological impacts of climate change in the Tana River Basin |
| title_sort | understanding the hydrological impacts of climate change in the tana river basin |
| topic | climate change rain evapotranspiration flooding river basin hydrology discharges water yield groundwater recharge natural resources infrastructure land use ecosystem services soil water |
| url | https://hdl.handle.net/10568/91057 |
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