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环北极地区多年冻土和地下冰状态图(V2)

数据集包括: 1、permaice(冻土类型图) 2、subsea(海底界线矢量图) 3、treeline(林线矢量图) 4、nhipa(栅格图) 5、llipa(栅格图) Permaice包括属性字段: 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 con...