%0 Dataset
%T 基于《环北极地区多年冻土和地下冰状态图》的中国及其周边地区冻土分布图
%J 国家冰川冻土沙漠科学数据中心
%I 国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)
%U http://www.ncdc.ac.cn/portal/metadata/d69b6f8f-99b9-446c-bf79-af68ef900c8d
%W NCDC
%R 10.12072/ncdc.westdc.db3766.2023
%A 吴立宗
%K 含冰量;冻土;地下水
%X 本数据集包含字段说明字：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 permafrost extent with high ground ice content and thick overburden ）5 - cmf （Continuous permafrost extent with medium ground ice content and thick overburden ）6 - dmf （Discontinuous permafrost extent with medium ground ice content and thick overburden ）7 - smf （Sporadic permafrost extent with medium ground ice content and thick overburden ）8 - imf （Isolated patches of permafrost extent with medium ground ice content and thick overburden）9 - clf （Continuous permafrost extent with low ground ice content and thick overburden ）10 - dlf （Discontinuous permafrost extent with low ground ice content and thick overburden ）11 - slf （Sporadic permafrost extent with low ground ice content and thick overburden ）12 - ilf （Isolated patches of permafrost extent with low ground ice content and thick overburden）13 - chr （Continuous permafrost extent with high ground ice content and thin overburden and exposed bedrock ）14 - dhr （Discontinuous permafrost extent with high ground ice content and thin overburden and exposed bedrock ）15 - shr （Sporadic permafrost extent with high ground ice content and thin overburden and exposed bedrock ）16 - ihr （Isolated patches of permafrost extent with high ground ice content and thin overburden and exposed bedrock）17 - clr （Continuous permafrost extent with low ground ice content and thin overburden and exposed bedrock ）18 - dlr （Discontinuous permafrost extent with low ground ice content and thin overburden and exposed bedrock ）19 - slr （Sporadic permafrost extent with low ground ice content and thin overburden and exposed bedrock）20 - ilr （Isolated patches of