中国1:1000万冻土区划及类型图
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该数据是中国冻土区划及类型图(1:1000万)(邱国庆 等,2000;周幼吾 等,2000)的数字化,采用了区划和类型双系列体系,在同一份图上同时用区划体系和类型体系来反映在各个级别上冻土形成和分布的共性与个性。 区划体系包括三个冻土大区:(1)中国东部冻土大区;(2)中国西北冻土大区;(3...
This dataset is the digitization of the 1:10,000,000 scale map of China's permafrost regionalization and classification (Qiu Guoqing et al., 2000; Zhou Youwu et al., 2000). It adopts a dual framework combining regionalization and classification, which simultaneously uses both the regionalization system and the classification system on the same map to reflect the commonalities and individual characteristics of permafrost formation and distribution at all hierarchical levels. The regionalization system includes three major permafrost regions: (1) Eastern China Permafrost Major Region; (2) Northwestern China Permafrost Major Region; (3...)




