{"id":"3c97e16f-773b-4908-9e30-b7de166e61fb","title":"泛第三极ASTER GDEM数据（2002）","title_en":"Aster GDEM data Pan-TPE (2002)","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":".tif，可以采用ARCGIS、ENVI打开查看","description":"数字高程模型（Digital elevation model dataset of all nodes area,DEM）数据是地理信息系统的基础数据，可用于土地利用现状的分析、合理规划及洪水险情预报等，描述的是地面高程信息，对自然地理要素以及与地面有关的社会经济及人文要素等研究具有重要研究意义。\n数据集以泛第三极范围内31个关键节点（Abbas, Alexander, Ankara, Astana, Bangkok, Chittagong, Colombo, Dhaka, Djibouti, Ekaterinburg, Gwadar, Hambantota, Karachi, Kolkata, Kuantan, Kyaukpyu, Maldives, Mandalay, Melaka, Minsk, Mumbai, Novosibirsk, Piraeus, Rayong, Sihanouk, Tashkent, Teheran, Valencia, Vientiane, Warsaw, Yangon）为研究区域，ASTER GDEM(第二版)数字高程模型为数据源，实现对地面地形的数字化模拟（即地形表面形态的数字化表达），最终得到了关键节点区域的数字高程模型数据。其他如坡度、坡向及坡度变化率等地貌特性可在本数据集的基础上派生。","doi":"","projection":"","language":"zh","share_type":"offline","east":110.9,"west":-3.31,"south":-1.09,"north":58.68,"scale":null,"crs":null,"filesize":639.0,"share_policy":"b","ts_created":"2019-01-04T07:43:53.851087+08:00","doi_type":"国际公开共享数据","ts_updated":"2022-03-02T11:24:31.424580+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":null,"project":[11],"specials":["f2a78cde-1c98-4241-94dc-7532eba32b80"],"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":"","temporal_resolution":"10 year < x < 100 year","spatial_resolution":"m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"3c97e16f-773b-4908-9e30-b7de166e61fb","three_pole":null,"third_pole":"XDA20030302"},"username":"XDA20030302","review_time":null,"protected_duration":0,"protected_describe":null,"is_important":false,"hit_count":1727}