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中国石油大学（华东）2021年硕士研究生初试自命题科目GNSS、RS、GIS原理与方法考试大纲
中国石油大学（华东） 2021年 硕士研究生 初试 自命题科目 GNSS、RS、GIS原理与方法 考试大纲
2020/10/14
中国石油大学（华东）2021年硕士研究生初试自命题科目GNSS、RS、GIS原理与方法考试大纲。
SUSTAINABLE DEVELOPMANT OF FOREST RESOURSE THROUGH RS & GIS TECHNIQUES- A CASE STUDY IN R V NAGAR RANGE, VISAKHAPATNAM DISTRICT, ANDHRA PRADESH
Forest cover change Species Richness Threat Index
2015/8/28
Forest ecosystem is a complex system having interactions with biotic and abiotic components. It includes not only plant and animal
communities but also microorganisms, climate, sunlight, water and so...
SUSTAINABLE DEVELOPMANT OF FOREST RESOURSE THROUGH RS & GIS TECHNIQUES- A CASE STUDY IN R V NAGAR RANGE, VISAKHAPATNAM DISTRICT, ANDHRA PRADESH
Forest cover change Species Richness Threat Index
2015/8/28
Forest ecosystem is a complex system having interactions with biotic and abiotic components. It includes not only plant and animal
communities but also microorganisms, climate, sunlight, water and so...
应用RS和GIS技术，利用1988年TM数据和2002年ETM数据，引入动态度、转变强度、转变级别和黑土变化指数等指标量化黑土区水土流失的动态变化特征和时空分布规律。结果表明，嫩江县-五大连池市黑土区现有黑土为主的耕地5 700.55 km2，占全区总面积的23.55％；14年间，黑土为主的耕地减少559.38 km2，黑土流失严重，人类活动加剧了黑土减少的趋势；引入的黑土变化指数评价方法可反...