期刊
CANADIAN WATER RESOURCES JOURNAL
卷 33, 期 3, 页码 273-281出版社
CANADIAN WATER RESOURCES ASSOC-CWRA
DOI: 10.4296/cwrj3303273
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Typically, the value of irrigation water is recognized for enhancing producer income and reducing rural poverty through its primary use-crop production. However, in this study an additional benefit to producers from irrigation is explored-reducing variability in firm income due to extreme weather events (droughts). This benefit is estimated for the Alberta portion of the South Saskatchewan River Basin (SSRB). Benefits from irrigation during a drought year were measured as the difference between producer surpluses from irrigated and dryland production systems, in a drought Year, excluding the value of water for irrigated crop production in a non-drought year. This value was expressed per unit of water applied to irrigation. Short-run value estimates ranged from $37 per dam(3) in the Bow River sub-basin, to about $42 per dam(3) in the Oldman River sub-basin. These results suggest that water used for irrigation provides additional benefits beyond enhanced producer income in crop production. Thus, it is an effective drought mitigation strategy; and provides a successful adaptation to occurrence of extreme events (droughts) under climate change.
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