{"id":"6fef7011-9cac-462f-acdd-a7c43d8ddde8","title":"基于《中国冰雪冻土图》的中国冻土分布图（1998）","title_en":"Distribution map of frozen ground in China based on Map of Snow, Ice and Frozen Ground in China (1998)","serial":"泛第三极大数据平台","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。","instructions":"","description":"该数据集对扫描图《中国400万冰雪冻土图》（施雅风、米德生，1988）进行几何校正，然后通过数字化，综合考虑海拔和纬度，结合多年冻土的连续性将冻土划分为：高纬度多年冻土的大片多年冻土、岛状融区多年冻土和岛状多年冻土；高海拔多年冻土和高山多年冻土（包括阿尔泰山，天山，祁连山、横断山、喜马拉雅山及中国东部的太白山、黄岗梁和长白山）和高原多年冻土（青藏高原），高原多年冻土（青藏高原）又分为大片多年冻土和岛状多年冻土；季节冻土、瞬时冻土和无冻土区。","doi":"10.3972/westdc.0078.2013.db","projection":"","language":"zh","share_type":"online","east":103.0,"west":95.0,"south":36.0,"north":40.0,"scale":4000000,"crs":"","filesize":100.0,"share_policy":"a","ts_created":"2013-06-04T19:44:23+08:00","doi_type":null,"ts_updated":"2021-04-19T23:42:57.300324+08:00","time_description":"","datas_group":3,"time_description_en":null,"data_format":"SHP","project":[10,11],"specials":["1832ecb3-70d0-4b5e-bdb5-2e9ff4ad1efe","f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":"施雅风, 米德生. 中国冰雪冻土图（1：400万）[M]. 北京: 中国地图出版社. 1988","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":"6fef7011-9cac-462f-acdd-a7c43d8ddde8","three_pole":null,"third_pole":null},"username":"盖春梅","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":9591}