%0 Dataset
%T Circum-Arctic map of permafrost and ground ice conditions (v2)
%J National Cryosphere Desert Data Center
%I National Cryosphere Desert Data Center(www.ncdc.ac.cn)
%U http://www.ncdc.ac.cn/portal/metadata/36eb5d86-62bb-4978-9b5f-d42549b669ba
%W NCDC
%R 10.12072/ncdc.westdc.db3757.2023
%A Wu lizong
%K Arctic rim;state diagram;Frozen Ground
%X The data set includes:1. Permaice (frozen soil type map)2. Subsea (vector map of submarine boundary)3. Tree line4. Nhipa (grid map)5. Llipa (grid chart)Permaice includes attribute fields:Num_ Code (permafrost attribute code)< pcombo (permafrost attribute)Extend Content (ice content)Attribute comparison is as follows:(1) Comparison table of frozen soil properties: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