环北极地区多年冻土和地下冰状态图(V2)(1997)

Circum-Arctic map of permafrost and ground ice conditions (v2) (1997)


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 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%)

------------------------------------------------------------

Projection of the shapefiles is:

PROJCS["Sphere_ARC_INFO_Lambert_Azimuthal_Equal_Area",

GEOGCS["GCS_Sphere_ARC_INFO",

DATUM["Sphere_ARC_INFO", SPHEROID["Sphere_ARC_INFO",6370997.0,0.0]],

PRIMEM["Greenwich",0.0],

UNIT["Degree",0.0174532925199433]],

PROJECTION["Lambert_Azimuthal_Equal_Area"],

PARAMETER["False_Easting",0.0],

PARAMETER["False_Northing",0.0],

PARAMETER["longitude_of_center",180.0],

PARAMETER["latitude_of_center",90.0],

UNIT["Meter",1.0]]

Projection for the raster (*.byte) files is:

Projection: Lambert Azimuthal

Units: meters

Spheroid: defined

Major Axis: 6371228.00000

Minor Axis: 6371228.000

Parameters:

radius of the sphere of reference: 6371228.00000

longitude of center of projection: 0

latitude of center of projection: 90

false easting (meters): 0.00000

false northing (meters): 0.00000


本数据要求的引用方式
文章的引用

1. Zhang, T., J.A. Heginbottom, R.G. Barry, and J. Brown. 2000. Further Statistics on the Distribution of Permafrost and Ground Ice in the Northern Hemisphere. Polar Geog. 24(2): 126-131.(查看)

2. Brown, J., O.J. Ferrians, Jr., J.A. Heginbottom, and E.S. Melnikov.. 2002. Circum-Arctic Map of Permafrost and Ground-Ice Conditions. Version 2. [indicate subset used]. Boulder, Colorado USA: National Snow and Ice Data Center.(查看)

数据的引用

Brown, J., O. Ferrians, J. A. Heginbottom, E. Melnikov, Tingjun Zhang, 冉有华. (2011). 环北极地区多年冻土和地下冰状态图(V2)(1997). 国家青藏高原科学数据中心, 2011.
[Brown,, J., O., F., J. A. Heginbottom., E., M., Zhang, T., Ran, Y. (2011). Circum-Arctic map of permafrost and ground ice conditions (v2) (1997). National Tibetan Plateau Data Center, 2011]

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。中文发表的成果参考以下规范注明: 数据来源于“黑河计划数据管理中心”(http://westdc.westgis.ac.cn)英文发表的成果依据以下规范注明: The data set is provided by Cold and Arid Regions Sciences Data Center at Lanzhou (http://westdc.westgis.ac.cn)

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: -180.00 West: 180.00
South: 25.00 North: 90.00
数据细节
  • 格式:shp
  • 大小:23.5 MB
  • 浏览:42058 次
  • 下载量:192 次
  • 数据时间范围:2019-05-12 至 2019-05-12
  • 共享方式: 开放获取
  • 元数据更新时间:2021-04-19
联系信息

Brown, J.、 O. Ferrians、 J. A. Heginbottom、 E. Melnikov、 Tingjun Zhang、 冉有华

分发方: 时空三极环境大数据平台

Email: poles@itpcas.ac.cn

导出元数据