{"id":"40c4395e-2efd-42ce-a17c-db57d9a07621","title":"Alaska冰川编目（2018）","title_en":"An updated glacier inventory (2018) for the Alaska region using Landsat 8 OLI","serial":"","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：冰川编目数据采用shapefile格式存储，文件的名称为“alaska glacier inventory in 2018.shp”.\n数据读取方式:该数据集可以直接用arcgis打开.","description":"过去五十年，阿拉斯加地区冰川对海平面贡献占全球山地冰川总贡献的三分之一。\n在RGI6.0的基础上，我们利用遥感和地理信息系统技术对阿拉斯加地区冰川编目数据进行了更新。更新的冰川编目采用的数据源为2018年Landsat OLI空间分辨率15m遥感影像，使用的方法为人工解译。结果显示，阿拉斯加地区冰川编目包括了现有冰川27043条，总面积81285km2。数据误差4.3%。该数据将为研究全球变化大背景下阿拉斯加地区冰川变化评估、冰川变化的区域和全球影响提供重要的数据支撑。","doi":"10.11888/Glacio.tpdc.270305","projection":"","language":"zh","share_type":"online","east":-126.855613,"west":-176.141357,"south":52.057273,"north":69.350366,"scale":null,"crs":null,"filesize":107.0,"share_policy":"a","ts_created":"2020-01-03T23:48:10.755370+08:00","doi_type":"","ts_updated":"2021-04-19T22:40:51.023147+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[10,11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"余武生","username":"isotope","email":"yuws@itpcas.ac.cn","is_cancel_expert":false}],"review_editor":{"id":42421,"last_login":"2022-04-08T15:16:51.670544+08:00","username":"任慧霞","email":"510727846@qq.com","is_active":true,"is_staff":true,"user_name":"任慧霞"},"data_sources":null,"temporal_resolution":"Yearly","spatial_resolution":"10m - 100m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[5],"subtopics":{"metadata":"40c4395e-2efd-42ce-a17c-db57d9a07621","three_pole":"XDA19070500","third_pole":null},"username":"上官冬辉","review_time":"2020-01-04T00:30:30.452169+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":3710}