利用遥感影像数据分析区域土地覆被变化，目前在开发建设项目环境影响调查中已得到广泛应用。
Land cover changes analysis by RS data has been widely used to study the environmental impact of the development project at present.
研究目的：研制基于遥感的土地利用与覆被分类系统，为国家土地利用与覆被基础数据库建设和宏观土地资源遥感动态监测提供分类依据。
The purpose of this study is to develop a land classification system for national land use and land cover database building and macro land resources dynamic monitoring.
驱动土地覆被变化的主导因素是人类经济活动对自然资源的不合理利用。
The drive factor is local economic action, which use natural resource immoderately.
该文主要探讨了如何在生物保护中利用MODIS数据获得区域土地覆被分类信息。
Land cover map of classification was generated for major biological conservation areas in Yunnan province using MODIS data and decision tree joined maximum likelihood classifications.
在每个子流域中通过遥测土地利用信息与水保工程资料来考虑了土地利用与覆被变化的影响。
The influence of the land use and cover change is considered from remote sensing and water and soil conservation project data.
尽管土地利用与土地覆被两者之间存在十分密切的联系，但是它们在概念与内涵上是不完全相同的。
Land use and land cover are different in concept and meaning although they have very close relations.
本文选取县级市湘乡市市域为研究区域，以土地利用现状数据库为基础，研究湘乡市的土地利用覆被变化。
This article selected a county-level city-Xiangxiang City as the study area, based on land use database to research land use cover change in Xiangxiang.
本文选取县级市湘乡市市域为研究区域，以土地利用现状数据库为基础，研究湘乡市的土地利用覆被变化。
This article selected a county-level city-Xiangxiang City as the study area, based on land use database to research land use cover change in Xiangxiang.
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