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字段说明:
Num_code(冻土属性编码)
Combo(冻土属性)
extent(冻土范围)
content(含冰量)
属性对照如下:
(1)冻土属性对照表:
0 (No information )
1 - chf (Continuous permafrost extent with high ground ice content and thick overburden)
2 - dhf (Discontinuous permafrost extent with high ground ice content and thick overburden )
3 - shf (Sporadic permafrost extent with high ground ice content and thick overburden )
4 - ihf (Isolated patches of...