摘要
通过研究退耕还林工程前后的植被变化并揭示其成因,可以为生态建设提供重要的指导和参考。本研究以陕北地区为研究对象,利用Google Earth Engine平台的1987、1999和2022年Landsat数据集,通过像元二分模型反演得到陕北地区在退耕还林工程前后的植被覆盖度动态变化。在退耕还林工程前,陕北地区植被覆盖度整体较低,而在退耕还林工程实施后,植被覆盖度明显提高。
By studying the vegetation changes before and after the Grain for Green Program and revealing their causes,valuable guidance and references can be provided for ecological construction.This study focuses on the northern Shaanxi region and utilizes Landsat datasets from 1987,1999,and 2022 through pixel-based binary model inversion on the Google Earth Engine platform to analyze the dynamic changes in vegetation coverage before and after the implementation of the Grain for Green Program.Prior to the program,the vegetation coverage in northern Shaanxi was generally low,but after the program's implementation,there was a noticeable increase in vegetation coverage.
作者
刘子凡
李娜
李宏韬
LIU Zifan;LI Na;LI Hongtao(Northwest Surveying,Planning and Designing Institute of National Forestry and Grassland Administration,Xi'an 710048,China;State Forestry and Grassland Administration Key Laboratory of Eco-Hydrology and Disaster Control in Arid Regions,Xi'an 710048,China)
出处
《甘肃林业科技》
2023年第2期35-38,共4页
Journal of Gansu Forestry Science and Technology
基金
国家林业和草原局西北调查规划设计院科技创新项目(202004)。
关键词
像元二分模型
植被
退耕还林
陕北地区
Pixel binary model
vegetation
farmland retirement
northern Shaanxi
