{"id":"d8776cb4-15d8-4ac7-a378-742e9a60d674","title":"青藏高原多年冻土热条件分类图（2000-2010）","title_en":"A permafrost thermal type map on the Tibetan Plateau (2000-2010)","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。","instructions":"文件命名：数据以栅格存储，文件名称为“stabil_perma”、“perm2017r”\n数据读取方式：可用Arcgis等软件打开","description":"青藏高原过去的冻土图主要基于稀少的台站气温观测，采用基于连续性的分类系统。本数据集利用地理加权回归模型（GWR）综合了经过时空重建的MODIS地表温度、叶面积指数、积雪比例和国家气象信息中心多模型土壤水分预报产品、融合了4万多个气象站降水观测和FY2卫星观测的降水产品及152个气象台站2000-2010年的多年平均气温观测数据，模拟得到了青藏高原过去1公里分辨率的多年平均气温数据，利用多年冻土热条件分类系统，将多年冻土分为非常冷（Very cold）、冷（Cold）、凉（Cool）、暖（Warm）、非常暖（Very warm）和可能解冻（Likely thawing）几个类型。该图显示，扣除湖泊和冰川，青藏高原多年冻土总面积约为107.19万平方公里。验证表明该图具有更高的精度。可为今后冻土工程规划设计与环境管理等提供支持。","doi":"10.11888/GlaciolGeocryol.tpe.0000017.file","projection":"","language":"zh","share_type":"online","east":105.0,"west":73.0,"south":26.0,"north":40.0,"scale":250000,"crs":"","filesize":20.0,"share_policy":"a","ts_created":"2018-02-21T11:26:41+08:00","doi_type":"","ts_updated":"2021-04-20T00:48:11.438963+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":"PDF","project":[10,11],"specials":["1832ecb3-70d0-4b5e-bdb5-2e9ff4ad1efe","f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":"Ran Y, Li X, Cheng G. Climate warming over the past half century has led to thermal degradation of permafrost on the Qinghai-Tibet Plateau. The Cryosphere, 2018, 12(2), 595-608, doi:10.5194/tc-12-595-2018.","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":"Yearly","spatial_resolution":"1km - 10km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[5],"subtopics":{"metadata":"d8776cb4-15d8-4ac7-a378-742e9a60d674","three_pole":"XDA19070204","third_pole":null},"username":"赵天杰","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":true,"hit_count":4054}