Collaborative Inversion of Soil Water Content in Alpine Meadow Area Based on Multitemporal Polarimetric SAR and Optical Remote Sensing Data

Table 1

Sentinel-1 SAR images acquired for the study area.

ID	Acquisition date	Mean incidence angle (°)	Imaging model	Polarization	Resolution (m)
D1	2021-01-28	44.36	IW	VV/VH	10
D2	2020-12-11	44.36	IW	VV/VH	10
D3	2020-10-24	44.36	IW	VV/VH	10
D4	2020-01-10	44.36	IW	VV/VH	10
D5	2018-12-22	44.36	IW	VV/VH	10
D6	2017-12-03	44.36	IW	VV/VH	10