乐山市土地利用结构特征及演变分析
Analysis of the Characteristics and Evolution of Land Use Structure in Leshan City
王炜 1罗兵 2郑新如 2吴淑莹 2谢小国2
作者信息
- 1. 四川省地质调查研究院
- 2. 四川省华地建设工程有限责任公司;四川省地质环境调查研究中心,成都 610081
- 折叠
摘要
以乐山市2010-2020年的Landsat卫星影像为数据源,基于ENVI 5.3和ArcGIS 10.2软件,研究乐山市 10 年间土地变化情况.结果表明:乐山市土地利用变化显著,耕地面积显著减少;森林和建设用地面积显著增加;植树造林和人口城镇化是最显著的驱动因素,耕地保护和土地复垦应受到重视.
Abstract
Landsat images of Leshan city from 2010-2020 were used as the data source,based on ENVI 5.3 and ArcGIS 10.2 software,to study the land changes in Leshan city during 10 years.The results show that land use changes in Leshan city are significant,with a significant decrease in the area of arable land;a significant increase in the area of forests and construction land;afforestation and population urbanization are the most significant driving factors,and arable land protection and land reclamation should be paid attention to.
关键词
耕地保护/土地利用变化/乐山市Key words
cultivated land protection/land use change/Leshan city引用本文复制引用
出版年
2024