Water Debt

Gridded data of water debt for year 2000. The water debt expresses the number of years required by the hydrological cycle to replenish the water source (soil moisture, surface water, ground water) that have beet used to accomplish the annual production of nine major crops. The considered crops are: wheat, maize, rice, soybean, sugar cane, sugar beet, cotton, barley, sorghum.2000年农作物水资源负债网格化数据集。其中，水资源负债指为完成九类主要农作物的年度生产所消耗的水源（土壤水分、地表水、地下水），经水文循环补充所需的年数。本次研究所涉及的九类农作物分别为：小麦、玉米、水稻、大豆、甘蔗、甜菜、棉花、大麦、高粱。