ABSTRACT
Land use and its change is a reflection of the process of social and economic development, with a clear comprehensive and regional, regional and economic environment changes play a very important role. In order to study the law and the driving mechanism of land use change in loess hilly and gully region, taking the ArcGIS software as an example, ArcGIS software was used to integrate and overlay the data of land use in different periods, and the land use The time course and spatial pattern of land use change in Zhifanggou watershed before and after returning farmland were analyzed. Based on the land use pattern of 2013, the CA-Markov model of IDRISI software was used to simulate the land use change in 2023 and draw the conclusion.
