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来源类型 | Working Paper |
规范类型 | 报告 |
DOI | 10.3386/w17625 |
来源ID | Working 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 |
URL | https://www.nber.org/papers/w17625 |
来源智库 | National Bureau of Economic Research (United States) |
引用统计 | |
资源类型 | 智库出版物 |
条目标识符 | http://119.78.100.153/handle/2XGU8XDN/575300 |
推荐引用方式 GB/T 7714 | Richard Hornbeck,Pinar Keskin. The Evolving Impact of the Ogallala Aquifer: Agricultural Adaptation to Groundwater and Climate. 2011. |
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文件名称/大小 | 资源类型 | 版本类型 | 开放类型 | 使用许可 | ||
w17625.pdf(1062KB) | 智库出版物 | 限制开放 | CC BY-NC-SA | 浏览 |
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