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来源类型Working Paper
规范类型报告
DOI10.3386/w17625
来源IDWorking Paper 17625
The Evolving Impact of the Ogallala Aquifer: Agricultural Adaptation to Groundwater and Climate
Richard Hornbeck; Pinar Keskin
发表日期2011-11-23
出版年2011
语种英语
摘要Agriculture on the American Great Plains has been constrained by historical water scarcity. After World War II, technological improvements made groundwater from the Ogallala aquifer available for irrigation. Comparing counties over the Ogallala with nearby similar counties, groundwater access increased irrigation intensity and initially reduced the impact of droughts. Over time, land-use adjusted toward water-intensive crops and drought-sensitivity increased; conversely, farmers in water-scarce counties maintained drought-resistant practices that fully mitigated higher drought-sensitivity. Land values capitalized the Ogallala's value at $26 billion in 1974; as extraction remained high and water levels declined, the Ogallala's value fell to $9 billion in 2002.
主题History ; Other History ; Environmental and Resource Economics ; Environment
URLhttps://www.nber.org/papers/w17625
来源智库National Bureau of Economic Research (United States)
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条目标识符http://119.78.100.153/handle/2XGU8XDN/575300
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Richard Hornbeck,Pinar Keskin. The Evolving Impact of the Ogallala Aquifer: Agricultural Adaptation to Groundwater and Climate. 2011.
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