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Issue:
song liao liu yu jing guan fen lei yan jiu
Author(s):
WANG Yansong
,
SHEN Bo
Pages:
36
-
38
Year:
2001
Issue:
6
Journal:
SCIENTIFIC AND TECHNICAL INFORMATION OF SOIL AND WATER CONSERVATION
Keyword:
景观分类
;
土地覆盖
;
N0AA/AVHRR数据
;
GIS
;
TM卫片
;
松辽流域
;
Abstract:
应用N0AA/AVHRR数据对松辽流域进行季相变化的对比分析,并结合实地调查资料、历史资料和部分TM卫片等,绘制遥感和GIS支持下的1km分辨率土地覆盖图,以此为基础底图并利用从遥感数据中直接获取的地形数据等,再根据气候和地貌特征将松辽流域景观分为3个大区、9个小区.在景观类型区划分的基础上,依据地貌类型,土壤侵蚀强度、土地覆盖类型等将松辽流域划分为500多个景观类型,从而为长期、宏观、动态地监测土地覆盖和建立全国土地覆盖数据库和景观分类数据库打下了坚实的基础.
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