portal.metadata
元数据

数据缩略图


数据质量描述

数据集通过严格的人工审核控制质量


数据源描述

该数据数字化自The map of Geocryology and Geocryological Zonation of Mongolia was derived from the National Atlas of Mongolia (Sodnom and Yanshin, 1990)


数据集摘要

该数据描述了:蒙古共和国地区冻土和季节性冻土的分布及一般属性

1、数据包括两个图层:其中冻土分区图1:12,000,000,冻土分区包括continuous and discontinuous permafrost, insular and sparsely insular permafrost, sporadic permafrost, and seasonally frozen ground.(2)冻土类型图1:4,500,000,根据海拔高度、年平均气温、冻土深度、冻融深度、季节性冻土、季节性冻结深度划分为14个类型。

2、该数据数字化自The map of Geocryology and Geocryological Zonation of Mongolia was derived from the National Atlas of Mongolia (Sodnom and Yanshin, 1990)

3、数据包括以下图层:

cryo_landslide.shp(point locations of cryogenic landslides)、cryo_planation.shp(point locations of cryogenic planation)、dig_country_bnd.shp(digitized country boundary polygon from the 1:4,500,000 map)、dig_lakes.shp(digitized lake polygons from the 1:4,500,000 map)、treams.shp (digitized stream vectors from the 1:4,500,000 map)、geocryo_regions.shp (digitized geocryological region polygons from the 1:12,000,000 map. See the attribute description below)、geocryology.shp(digitized polygons of areas with detailed geocryological information from the 1:4,500,000 map. See the attribute description below)、icings.shp(point locations of icings)、

per_frost_mound.shp(point locations of perennial frost mounds)、solifluction.shp(point locations of solifluction)、thermokarst.shp(point locations of thermokarst)。

4、投影信息:PROJCS["albers_ea_conic_mongolia",

GEOGCS["GCS_WGS_1984",

DATUM["WGS_1984",

SPHEROID["WGS_1984",6378137.0,298.257223563]],

PRIMEM["Greenwich",0.0],

UNIT["Degree",0.0174532925199433]],

PROJECTION["Albers_Conic_Equal_Area"],

PARAMETER["False_Easting",0.0],

PARAMETER["False_Northing",0.0],

PARAMETER["longitude_of_center",103.83333],

PARAMETER["Standard_Parallel_1",43.341667],

PARAMETER["Standard_Parallel_2",50.383333],

PARAMETER["latitude_of_center",46.866667],

UNIT["Meter",1.0]]


数据引用
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Sodnom, N. and A. L. Yanshin, eds. 1990. Geocryology and geocryological zonation of Mongolia. Digitized 2005 by M. A. Parsons. Boulder, Colorado USA: National Snow and Ice Data Center/World Data Center for Glaciology. Digital Media.

数据列表
# 标题 格式 文件大小
1 1:1200万蒙古冻土分布图 rar 1.0 MB
2 蒙古共和国冻土及冻土分区图-文档 rar 1.3 MB


loading
E: 121.266666667
W:87.0
S: 40.5997222222
N: 52.2166666667

数据服务信息

联系人:
李红星
服务电话:
0931-4967287
服务邮箱:
westdc@lzb.ac.cn

联系信息

数据贡献者:
N. A. L.Yanshin Sodnom
元数据作者:
吴立宗
数据管理者:
敏玉芳 Sodnom