Soil drought remote sensing monitoring method based on geographical partition

The invention relates to a soil drought remote sensing monitoring method based on geographical partition. The method comprises the following steps: firstly zoning a to-be-monitored area, then obtaining a soil moisture threshold table of each drought level of each zone based on existing data, and finally calculating based on real-time data to obtain the soil moisture of each zone; and determining the real-time drought grade of each subarea in combination with the soil moisture threshold table of each drought grade of each subarea. The to-be-detected region is partitioned, so that the influence of regional difference is avoided, and the drought grade of each partition of the to-be-detected region can be accurately obtained. 本发明涉及一种基于地理分区的土壤干旱遥感监测方法，包括：首先对待测区域进行分区，再基于现有数据得到各分区的各干旱等级土壤水分阈值表，最后基于实时的数据进行计算，得到各分区的土壤水分，结合各分区的各干旱等级土壤水分阈值表，确定各分区的实时干旱等级。本发明通过对待测区域进行分区，避免了地域差异性的影响，可以精确的得到待测区域各分区的干旱等级。