Water storage in an era of climate change: addressing the challenge of increasing rainfall variability. Blue paper
Rainfall variability is a key constraint to agricultural production and economic growth in many developing countries. This is likely to be exacerbated in many places as rainfall variability is amplified (even where the total amount of rain increases) as a result of climate change. Changes in rainfall will also increase variability in groundwater recharge and river flow, thus affecting all water sources. Water storage, in its various forms, provides a mechanism for dealing with variability which, if planned and managed correctly, increases water security, agricultural productivity and adaptive capacity. As such, water storage can make an important contribution to safeguarding livelihoods and reducing rural poverty. However, ill-conceived water storage is a waste of financial resources and, rather than mitigate, may aggravate unpleasant climate change impacts. Systems that combine complementary storage options are likely to be more adaptable and acceptable than those based on a single storage type. More systematic planning and management is required to avoid the mistakes of the past and to ensure more effective and suitable storage systems for the future.
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Format: | Report biblioteca |
Language: | English |
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International Water Management Institute
2010
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Subjects: | water storage, climate change, rain, dams, reservoirs, |
Online Access: | https://hdl.handle.net/10568/39781 https://www.iwmi.cgiar.org/Publications/Blue_Papers/PDF/Blue_Paper_2010-final.pdf https://doi.org/10.5337/2010.012 |
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dig-cgspace-10568-397812023-12-08T19:36:04Z Water storage in an era of climate change: addressing the challenge of increasing rainfall variability. Blue paper McCartney, Matthew P. Smakhtin, Vladimir U. water storage climate change rain dams reservoirs Rainfall variability is a key constraint to agricultural production and economic growth in many developing countries. This is likely to be exacerbated in many places as rainfall variability is amplified (even where the total amount of rain increases) as a result of climate change. Changes in rainfall will also increase variability in groundwater recharge and river flow, thus affecting all water sources. Water storage, in its various forms, provides a mechanism for dealing with variability which, if planned and managed correctly, increases water security, agricultural productivity and adaptive capacity. As such, water storage can make an important contribution to safeguarding livelihoods and reducing rural poverty. However, ill-conceived water storage is a waste of financial resources and, rather than mitigate, may aggravate unpleasant climate change impacts. Systems that combine complementary storage options are likely to be more adaptable and acceptable than those based on a single storage type. More systematic planning and management is required to avoid the mistakes of the past and to ensure more effective and suitable storage systems for the future. 2010 2014-06-13T14:29:24Z 2014-06-13T14:29:24Z Report McCartney, Matthew; Smakhtin, Vladimir. 2010. Water storage in an era of climate change: addressing the challenge of increasing rainfall variability. Blue paper. Colombo, Sri Lanka: International Water Management Institute (IWMI). 14p. doi: http://dx.doi.org/10.5337/2010.012 https://hdl.handle.net/10568/39781 https://www.iwmi.cgiar.org/Publications/Blue_Papers/PDF/Blue_Paper_2010-final.pdf https://doi.org/10.5337/2010.012 en Open Access International Water Management Institute |
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water storage climate change rain dams reservoirs water storage climate change rain dams reservoirs McCartney, Matthew P. Smakhtin, Vladimir U. Water storage in an era of climate change: addressing the challenge of increasing rainfall variability. Blue paper |
description |
Rainfall variability is a key constraint to agricultural production and economic growth in many developing countries. This is likely to be exacerbated in many places as rainfall variability is amplified (even where the total amount of rain increases) as a result of climate change. Changes in rainfall will also increase variability in groundwater recharge and river flow, thus affecting all water sources. Water storage, in its various forms, provides a mechanism for dealing with variability which, if planned and managed correctly, increases water security, agricultural productivity and adaptive capacity. As such, water storage can make an important contribution to safeguarding livelihoods and reducing rural poverty. However, ill-conceived water storage is a waste of financial resources and, rather than mitigate, may aggravate unpleasant climate change impacts. Systems that combine complementary storage options are likely to be more adaptable and acceptable than those based on a single storage type. More systematic planning and management is required to avoid the mistakes of the past and to ensure more effective and suitable storage systems for the future. |
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Report |
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water storage climate change rain dams reservoirs |
author |
McCartney, Matthew P. Smakhtin, Vladimir U. |
author_facet |
McCartney, Matthew P. Smakhtin, Vladimir U. |
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McCartney, Matthew P. |
title |
Water storage in an era of climate change: addressing the challenge of increasing rainfall variability. Blue paper |
title_short |
Water storage in an era of climate change: addressing the challenge of increasing rainfall variability. Blue paper |
title_full |
Water storage in an era of climate change: addressing the challenge of increasing rainfall variability. Blue paper |
title_fullStr |
Water storage in an era of climate change: addressing the challenge of increasing rainfall variability. Blue paper |
title_full_unstemmed |
Water storage in an era of climate change: addressing the challenge of increasing rainfall variability. Blue paper |
title_sort |
water storage in an era of climate change: addressing the challenge of increasing rainfall variability. blue paper |
publisher |
International Water Management Institute |
publishDate |
2010 |
url |
https://hdl.handle.net/10568/39781 https://www.iwmi.cgiar.org/Publications/Blue_Papers/PDF/Blue_Paper_2010-final.pdf https://doi.org/10.5337/2010.012 |
work_keys_str_mv |
AT mccartneymatthewp waterstorageinaneraofclimatechangeaddressingthechallengeofincreasingrainfallvariabilitybluepaper AT smakhtinvladimiru waterstorageinaneraofclimatechangeaddressingthechallengeofincreasingrainfallvariabilitybluepaper |
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