Water-use accounts in CPWF basins: Simple water-use accounting of the São Francisco Basin
This paper applies the principles of water-use accounts, developed in the first of the series, to the São Francisco basin in South America. The São Francisco Basin lies wholly within Brazil. There are several major dams and wetlands in the Basin. Net runoff is about 16% of total precipitation. Gr...
| Autores principales: | , , |
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| Formato: | Artículo preliminar |
| Lenguaje: | Inglés |
| Publicado: |
CGIAR Challenge Program on Water and Food
2010
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/4698 |
| _version_ | 1855515062715809792 |
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| author | Eastham, Judy Kirby, M. Mainuddin, M. |
| author_browse | Eastham, Judy Kirby, M. Mainuddin, M. |
| author_facet | Eastham, Judy Kirby, M. Mainuddin, M. |
| author_sort | Eastham, Judy |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | This paper applies the principles of water-use accounts, developed in the first of the
series, to the São Francisco basin in South America. The São Francisco Basin lies wholly
within Brazil. There are several major dams and wetlands in the Basin.
Net runoff is about 16% of total precipitation. Grassland is the most extensive land use,
covering 59% of the Basin and uses 48% of the water. Rainfed agriculture covers 23%
of the basin, but uses 14% of the water in the Basin. Forest and woodland cover 16% of
the basin and use about 21% of the precipitation. Grassland covers much of the upper
part of the Basin, consuming about 21% of the precipitation. Irrigated agriculture covers
just about 2% of the Basin and uses about 2% of the water.
Climate change, using an assumed change in increase in rainfall and evapotranspiration
distribution, reduces flow at Juazeiro and storage in the Sobradinho reservoir. The
transfer of water from the São Francisco Basin to the northeast of Brazil reduces annual
average flow by 6% only. However, the combined impact of the planned diversions and
drying due to climate change would be greater again.
Keywords: Water use accounts, São Francisco basin, top-down modeling, basin water
use. |
| format | Artículo preliminar |
| id | CGSpace4698 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2010 |
| publishDateRange | 2010 |
| publishDateSort | 2010 |
| publisher | CGIAR Challenge Program on Water and Food |
| publisherStr | CGIAR Challenge Program on Water and Food |
| record_format | dspace |
| spelling | CGSpace46982025-11-12T07:32:28Z Water-use accounts in CPWF basins: Simple water-use accounting of the São Francisco Basin Eastham, Judy Kirby, M. Mainuddin, M. water use water This paper applies the principles of water-use accounts, developed in the first of the series, to the São Francisco basin in South America. The São Francisco Basin lies wholly within Brazil. There are several major dams and wetlands in the Basin. Net runoff is about 16% of total precipitation. Grassland is the most extensive land use, covering 59% of the Basin and uses 48% of the water. Rainfed agriculture covers 23% of the basin, but uses 14% of the water in the Basin. Forest and woodland cover 16% of the basin and use about 21% of the precipitation. Grassland covers much of the upper part of the Basin, consuming about 21% of the precipitation. Irrigated agriculture covers just about 2% of the Basin and uses about 2% of the water. Climate change, using an assumed change in increase in rainfall and evapotranspiration distribution, reduces flow at Juazeiro and storage in the Sobradinho reservoir. The transfer of water from the São Francisco Basin to the northeast of Brazil reduces annual average flow by 6% only. However, the combined impact of the planned diversions and drying due to climate change would be greater again. Keywords: Water use accounts, São Francisco basin, top-down modeling, basin water use. 2010 2011-07-20T17:54:19Z 2011-07-20T17:54:19Z Working Paper https://hdl.handle.net/10568/4698 en Open Access application/pdf CGIAR Challenge Program on Water and Food Easthom, J., Kirby, M. and Mainuddin, M. 2010. Water-use accounts in CPWF basins: Simple water-use accounting of the São Francisco Basin. CPWF Working Paper BFP10. Colombo, Sri Lanka: The CGIAR Challenge Program on Water and Food. 28pp. |
| spellingShingle | water use water Eastham, Judy Kirby, M. Mainuddin, M. Water-use accounts in CPWF basins: Simple water-use accounting of the São Francisco Basin |
| title | Water-use accounts in CPWF basins: Simple water-use accounting of the São Francisco Basin |
| title_full | Water-use accounts in CPWF basins: Simple water-use accounting of the São Francisco Basin |
| title_fullStr | Water-use accounts in CPWF basins: Simple water-use accounting of the São Francisco Basin |
| title_full_unstemmed | Water-use accounts in CPWF basins: Simple water-use accounting of the São Francisco Basin |
| title_short | Water-use accounts in CPWF basins: Simple water-use accounting of the São Francisco Basin |
| title_sort | water use accounts in cpwf basins simple water use accounting of the sao francisco basin |
| topic | water use water |
| url | https://hdl.handle.net/10568/4698 |
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