通榆县西南部风蚀荒漠化土地动态变化分析
Dynamic change of wind erosion desertification land in southwest Tongyu County
[目的]风蚀是吉林省荒漠化土地主要类型之一,也是吉林省西部地区水土流失的主要原因之一,是造成土壤荒漠化的一种主要形式。通过研究2009-2019年 10年间研究区域风蚀土地面积及程度变化情况,为今后该区域荒漠化治理和生态环境保护提供依据。[方法]利用卫星遥感技术,采用地理信息系统(GIS)技术分析的方法,提取研究区域风蚀土地分布信息,并结合卫星定位系统实地地面调查,确定植被盖度、土壤质地和地表形态等为风蚀荒漠化土地现状程度评价指标,分析风蚀荒漠化…查看全部>>
[Objective]Wind erosion is one of the main types of desertification land in Jilin province.It is also one of the main causes of soil erosion in the west of Jilin province.The change of area and degree of wind-eroded land in the study area from 2009 to 2019 was studied to provide basis for desertification control and eco-environmental protection in the future.[Method]Using satellite remote sensing and geographic information system(GIS)techniques,information o…查看全部>>
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