{"id":"ea4d0979-e11c-419c-b21e-8aa5d7645c3c","title":"川藏交通廊道ALOS World 3D- 30m高程数据（2006）","title_en":"ALOS World 3D- 30m of Sichuan Tibet traffic corridor (2006)","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":"地点+主题","description":"数据源于JAXA地球观测研究中心（http://www.eorc.jaxa.jp/ALOS/en/aw3d30/），产品为ALOS World 3D - 30m (AW3D30)。通过导入川藏交通廊道shp边界选择图幅并下载，利用相关软件合并成一幅。格式为栅格数据，空间分辨率为30m，数据大小为1.3GB。该DEM数据可利用相关软件生成坡度、坡向、河道河网等地形因子数据，它们是川藏交通廊道地形分析的基础数据，有助于认识流域地貌形态，也是灾害区划研究、风险性评价的关键因子。高精度DEM的获取对于灾害风险管理和决策水平、减轻重大地质灾害的损失具有重要意义。","doi":"10.11888/Geogra.tpdc.271625","projection":"WGS84","language":"zh","share_type":"protected","east":104.816941,"west":90.343059,"south":28.826666,"north":32.088936,"scale":null,"crs":null,"filesize":1013.76,"share_policy":"a","ts_created":"2021-06-25T19:09:18.388893+08:00","doi_type":"拥有自主知识产权","ts_updated":"2022-01-10T15:53:10.243363+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":null,"project":[11],"specials":["b6500306-f60b-4aa1-b0b6-0324d94866df"],"cite":null,"review_status":5,"review_invite":[{"user_name":"王卷乐","username":"王卷乐","email":"wangjl@igsnrr.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":[21],"subtopics":{"metadata":"ea4d0979-e11c-419c-b21e-8aa5d7645c3c","three_pole":null,"third_pole":null},"username":"邹强","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":703}