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)中国西南(青藏高原)...
This dataset is the digitization of the 1:10 million map of permafrost regionalization and types in China (Qiu et al., 2000; Zhou et al., 2000). It adopts a dual system of regionalization and classification, where both the regionalization framework and the classification system are employed on the same map to illustrate the commonalities and distinct characteristics of permafrost formation and distribution across all hierarchical levels. The regionalization system includes three major permafrost regions: (1) Eastern China Permafrost Region; (2) Northwestern China Permafrost Region; (3) Southwestern China (Qinghai-Tibet Plateau)...




