{"id":"14246141-1b5d-40bb-aa48-7cd89cfa9cb0","title":"青藏高原黑河多年冻土区热融滑塌遥感产品（2009-2018）","title_en":"Remote sensing products of thermal collapse in Heihe permafrost region of the Tibetan Plateau (2009-2018)","serial":"XDA1907010403011","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":"根据卫星影像时间，每一个文件为某一年的影像，也包括了对应的滑塌多边形数据。","description":"全球气候变暖及人类活动导致青藏高原大面积冻土退化、热融滑塌等问题,严重影响了多年冻土区工程建设和生态环境。以青藏高原黑河流域俄博岭的冻土为研究区，基于高分辨率卫星影像，利用机器学习面向对象分类技术提取研究区内热融滑塌信息，结果表明2009年至2019年研究区热融滑塌数量从12条增至16条，总面积由14718.9平方米增至28579.5平方米，增加了近两倍。高空间分辨率遥感与面向对象分类方法相结合在冻土热融滑塌监测中具有广阔的应用前景。","doi":"10.11888/Geocry.tpdc.270118","projection":"WGS84","language":"zh","share_type":"online","east":100.92590332,"west":100.87371826,"south":37.99072266,"north":38.02093506,"scale":null,"crs":null,"filesize":160.0,"share_policy":"a","ts_created":"2019-07-04T15:09:22.291420+08:00","doi_type":"","ts_updated":"2021-04-19T23:31:56.897377+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[10,11],"specials":["1832ecb3-70d0-4b5e-bdb5-2e9ff4ad1efe","f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":null,"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":"由Google Earth获取","temporal_resolution":"Yearly","spatial_resolution":"m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[5,6],"subtopics":{"metadata":"14246141-1b5d-40bb-aa48-7cd89cfa9cb0","three_pole":"XDA19070104","third_pole":null},"username":"周志伟","review_time":"2019-07-04T15:32:46.318717+08:00","protected_duration":null,"protected_describe":"无","is_important":false,"hit_count":3750}