Abstract
Based on the support of RS and GIS technology, this paper analyzes the spatial and temporal variation characteristics and driving forces of land use in the Yanhe River Basin through the processing and interpretation of remote sensing images in different periods from 1980 to 2015 and the methods of the land use transfer matrix and dynamic attitude. The results show that cropland, grassland, and forest land are the three types of land use with the most obvious changes, while urban land and water body have relatively small changes in the Yanhe River Basin. The transfer between cropland, forest land, and grassland and urban land is very obvious, among which the conversion rate of cropland is the highest. During the 15 years from 2000 to 2015, the land use types of the Yanhe River Basin changed by 13.17%, with an average annual growth rate of 0.88%. The implementation of ecological restoration and governance policy is the direct driving force of land use change in the Yanhe River Basin. The results obtained in this study can provide reference basis for land use planning and management and land use structure optimization in the Yanhe River Basin in the future.
Highlights
Land use change is an important manifestation of human activities on terrestrial surface ecosystems [1]
For the study of large-scale areas, Liu et al [9, 10] analyzed the spatial and temporal change characteristics of largescale regional land use in China in the early 21st century by Journal of Sensors using the indicators of comprehensive land use dynamic attitude and land use degree change and revealed the spatial pattern and major driving factors of land use change in China through the dynamic land use zoning map
The area of forest land increased from 826.78 km2 in 1980 to 857.77 km2 in 2000, with an increase of 30.99 km2, the overall proportion of the Yanhe River Basin increased from 10.82% to 11.22%, with the largest increase of 0.4%
Summary
Land use change is an important manifestation of human activities on terrestrial surface ecosystems [1]. Proposed the research on the rules of land use change and driving force analysis as the core research direction in order to reduce the negative impact of land use change on natural and social [4] This is of great significance to the sustainable development of the society [5]. For the study of large-scale areas, Liu et al [9, 10] analyzed the spatial and temporal change characteristics of largescale regional land use in China in the early 21st century by Journal of Sensors using the indicators of comprehensive land use dynamic attitude and land use degree change and revealed the spatial pattern and major driving factors of land use change in China through the dynamic land use zoning map. For the study of small and medium scale areas, Liao et al [11] analyzed the rate of change of land use in the Yellow River Basin based on the land use data in the six phases from 1980 to 2015 and analyzed the transfer types and quantities of land use in the whole basin and provinces within the basin from 1980 to 2000 and from 2000 to 2015 by using the land use transfer matrix, and pointed out that the most important factors driving the land use change in the Yellow River Basin were climate change, population increase, and economic development
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