Conjunctive Water Management for Agriculture With Groundwater Salinity

Salt accumulations in aquifers significantly affect and transform the conjunctive use of surface water groundwater supporting irrigated agriculture. accumulates under many semi-arid lands where pumping has lowered levels enough to prevent drainage saline from basin. This paper provides new insights into optimal management pumping, recharge, water, cropping patterns with salinity hydrologic variability an region, such as California's western San Joaquin Valley, reducing agricultural crop yields revenues. A two-stage stochastic quadratic model explores this problem prescribe economically mix operation policies over a 10-year period probabilistic annual availability, considering salinity's harm yields. At low salinity, usually pumps most drier years, supplied by additional recharge wetter years. In contrast, at higher less years while more when allows dilution saltier groundwater. Reduced substantially reduces region's ability support higher-value perennial crops or eliminates lower-value dry Artificial fresh can have economic value slowing salination which