{"id":"d79b5483-a653-4766-a0f8-276fe3d02875","title":"蒙古共和国冻土及冻土分区图（1990）","title_en":"Map of the frozen soil distribution in the Republic of Mongolia (1990)","serial":"地球大数据科学工程专项时空三极环境项目","user_limit":"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)。","instructions":"","description":"蒙古共和国冻土及冻土分区图是从《蒙古共和国国家地图集》（Sodnom and Yanshin, 1990）数字化而来。\n    该数据集描述了多年冻土和季节冻土的分布与一般属性以及蒙古共和国特有的低温现象。具体数字化了两个图版。第一个图版的比例尺是1:12,000,000，描述了四个一般的冻土区，包括：（1）连续和不连续多年冻土；（2）岛状和稀疏岛状多年冻土；（3）零星多年冻土；（4）季节冻土。第二个图版的比例尺是1:4,500,000，描述了14个不同的地形类型，地形类型根据高程、年平均气温、多年冻土厚度和融化深度，以及季节冻土的冻结深度划分。6类蒙古共和国特有的低温现象的位置也包括在内，分别为：多年生冻胀丘（pingo）、冰锥、热喀斯特、冻土滑坡（detachment failures）、融冻泥流、冷生夷平（cryoplatation processes）作用。\n    数据的格式为ESRI shapefiles，用户也可通过美国冰雪数据中心下载（https://nsidc.org/data/ggd648）。","doi":"","projection":"Albers Equal Area-Conic","language":"zh","share_type":"online","east":121.355,"west":87.002,"south":40.608,"north":52.23,"scale":null,"crs":"","filesize":1.55,"share_policy":"a","ts_created":"2011-03-15T05:56:44+08:00","doi_type":"国际公开共享数据","ts_updated":"2021-04-19T21:07:37.145919+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":"shp","project":[10,11],"specials":["1832ecb3-70d0-4b5e-bdb5-2e9ff4ad1efe","f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":"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.","review_status":5,"review_invite":[],"review_editor":{"id":21057,"last_login":"2022-04-02T11:43:37.753860+08:00","username":"gecm","email":"gechm@lzb.ac.cn","is_active":true,"is_staff":true,"user_name":"盖春梅"},"data_sources":"","temporal_resolution":"","spatial_resolution":"","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"d79b5483-a653-4766-a0f8-276fe3d02875","three_pole":null,"third_pole":null},"username":"盖春梅","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":11576}