This data set contains in situ gravimetric and volumetric soil moisture, bulk density, and soil temperature measurements collected for the Soil Moisture Active Passive Validation Experiment 2015 (SMAP
The active and inactive clay content are delineated at a clay index of zero. The soil with a positive clay index is active clay, while the soil with a negative clay index is inactive clay. The soil wi
1、Experiment site: Luancheng District, Shijiazhuang City, Hebei Province (37 ° 53'N, 114 ° 41'E) and Nanpi County, Cangzhou City, Hebei Province (38 ° 06 ′ N, 116 ° 40 ′ E);2、Time:2016-20173、Experimen