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
数据从paper maps taken from the World Atlas of Snow and Ice Resources, 1997, Institute of Geography, Russian Academy of Sciences数字化而来。
数据集摘要
本数据集包括俄:罗斯的冻土范围、冻土温度、地下冰厚度等信息，数据以ESRI的shapefile格式存储，数据从 paper maps taken from the World Atlas of Snow and Ice Resources, 1997, Institute of Geography, Russian Academy of Sciences数字化而来，源地图的比例范围从1:20,000,000至1:40,000,000。
1、数据为矢量文件等
2、投影：
Projection: Lambert Azimuthal
Units: Meters
Datum: None
Parameters:
6370997.24063 (radius of the sphere of reference)
100 0 0.000 (longitude of center of projection)
45 0 0.000 (latitude of center of projection)
0.00000 (false easting (meters))
0.00000 (false northing (meters))
详细数据说明请参考数据说明文档
Kotlyakov, V. and T. Khromova. 2002. Maps of permafrost and ground ice. In Stolbovoi V. and I. McCallum. 2002. CD-ROM Land Resources of Russia. Laxenburg, Austria: International Institute for Applied Systems Analysis and the Russian Academy of Science. CD-ROM. Distributed by the National Snow and Ice Data Center/World Data Center for Glaciology, Boulder.
| # | 标题 | 格式 | 文件大小 |
| 1 | 1：2000万俄罗斯冻土分布图 | rar | 510.4 kB |
| 2 | 俄罗斯1_2000万冻土类型图-文档 | rar | 543.8 kB |