{"id":"4770c46b-75c4-4281-af70-4c9476357801","title":"青藏高原黑河流域野牛沟冻土活动层厚度数据(2014-2018)","title_en":"Thickness data of active layer in the Yeniugou of the Heihe River Basin over Tibetan Plateau (2014-2018)","serial":"XDA1907010403010","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":"文件名为活动层厚度文件名，GeoTIFF格式，可由ENVI，ArcGIS 等软件打开。","description":"使用Sentine-1 SAR 数据对青藏高原黑河流域野牛沟冻土进行监测。采用2014~2018年野牛沟区域Sentine-1 SAR影像，利用了基于分布式雷达目标的小基线集时序InSAR(DSs-SBAS)冻土形变监测方法，结合SAR后向散射系数，MODIS地表温度和Stefan模型，估算了研究区活动层厚度。结果表明活动层厚度在0.8米至6.6米之间，平均值约为3.3米。对开展大范围、高分辨监测具有十分重要的意义。","doi":"10.6038/cjg2019M0255","projection":"WGS84","language":"zh","share_type":"online","east":99.43956762,"west":98.57320442,"south":38.50760879,"north":39.07427319,"scale":null,"crs":null,"filesize":6.0,"share_policy":"a","ts_created":"2019-07-06T07:59:11.615560+08:00","doi_type":null,"ts_updated":"2021-04-19T16:52:48.452837+08:00","time_description":"","datas_group":3,"time_description_en":null,"data_format":null,"project":[11],"specials":["ee3dfdf5-2e9f-4b61-a301-4fb49e30e3c2"],"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":"通过Sentinel-1 SAR影像初步处理，再经后活动层反演算法获取得到。","temporal_resolution":"1 year < x < 10 year","spatial_resolution":"m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[5,6],"subtopics":{"metadata":"4770c46b-75c4-4281-af70-4c9476357801","three_pole":"XDA19070104","third_pole":null},"username":"周志伟","review_time":"2019-07-06T08:26:01.382678+08:00","protected_duration":6,"protected_describe":"无","is_important":false,"hit_count":2908}