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Groundwater Recharge Response To Reduced Irrigation Pumping In Western Nebraska, Justin Philip Gibson
Groundwater Recharge Response To Reduced Irrigation Pumping In Western Nebraska, Justin Philip Gibson
School of Natural Resources: Dissertations, Theses, and Student Research
Given current and continued investment in irrigation scheduling technologies, a need exists to better estimate the longevity and magnitude of water savings at watershed level to avoid the paradox of irrigation efficiency. This paradox occurs within a watershed as not all irrigation inefficiencies lead to the system losing water. For example, irrigation pumping rates in excess of crop water demand may lead to enhanced groundwater recharge or surface runoff that migrates to a stream. Thus, increases in efficiency may not lead to similar magnitudes of water savings. I hypothesize that water savings longevities are short given previous work demonstrating rapid …