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(2001)

Permafrost map of China and its neighbors based on Circum-Arctic Map of Permafrost and Ground Ice Conditions (2001)


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 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 permafrost extent with low ground ice content and thin overburden and exposed bedrock )

21 - g (Glaciers)

22 - r (Relict permafrost)

23 - l (Inland lakes )

24 - o (Ocean/inland seas )

25 - ld (Land)

(2)冻土范围对照表

c = continuous (90-100%)

d = discontinuous (50- 90%)

s = sporadic (10- 50%)

i = isolated patches ( 0 - 10%)

(3)含冰量对照表

h = high (>20% for "f" landform codes) (>10% for "r" landform codes)

m = medium (10-20%)

l = low (0-10%)


数据使用方法

文件命名:数据以矢量格式存储,文件名称为:Permaice_China.shp;
数据读取方式:可以用Arcgis、Qgis等遥感软件打开。


本数据要求的引用方式
文章的引用

1. Brown, J., O.J. Ferrians, Jr., J.A. Heginbottom, and E.S. Melnikov. 1998, revised February 2001. Circum-arctic map of permafrost and ground ice conditions. Boulder, CO: National Snow and Ice Data Center. Digital media.(查看)

数据的引用

National Snow and Ice Data Center(NSIDC), 吴立宗. (2013). 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(2001). 国家青藏高原科学数据中心, 2013.
[National Snow and Ice Data Center(NSIDC)., Wu, L. (2013). Permafrost map of China and its neighbors based on Circum-Arctic Map of Permafrost and Ground Ice Conditions (2001). National Tibetan Plateau Data Center, 2013]

使用本数据时必须引用“文章的引用”中列出的文献,并进行数据的引用

使用条款

为尊重知识产权、保障数据作者的权益、扩展数据中心的服务、评估数据的应用潜力,请数据使用者在使用数据所产生的研究成果中(包括公开发表的论文、论著、数据产品和未公开发表的研究报告、数据产品等成果),明确注明数据来源和数据作者。对于转载(二次或多次发布)的数据,作者还须注明原始数据来源。

License: This work is licensed under an Attribution 4.0 International (CC BY 4.0)



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关注
关键词
空间位置
East: 140.00 West: 60.00
South: 10.00 North: 60.00
数据细节
  • 时间分辨率:Yearly
  • 空间分辨率:100m - 1km
  • 格式:Esri Shapefile
  • 大小:1.7 MB
  • 浏览:4574 次
  • 下载量:183 次
  • 数据时间范围:2001-01-10 至 2002-01-10
  • 共享方式: 开放获取
  • 元数据更新时间:2021-04-19
联系信息

National Snow and Ice Data Center(NSIDC)、 吴立宗

分发方: 时空三极环境大数据平台

Email: poles@itpcas.ac.cn

导出元数据