Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in shallow, recently recharged ground water -- Input data set for fresh surface water withdrawal (gwava-s_swus)

This data set represents the amount of fresh surface water withdrawal for irrigation, in megaliters per day, in the conterminous United States. The data set was used...本数据集记录了美国本土（conterminous United States）范围内用于农业灌溉的新鲜地表水取水量，单位为每日兆升。本数据集曾被用于……