{"id":"9ebf595d-7ffb-4e99-80ee-28adedd4aa65","title":"汉班托塔港口地区5米分辨率高程数据集（2018-2019）","title_en":"The elevation data set of hambantota port area with 5-meter resolution (2018-2019)","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":"栅格形式，可以采用影像软件打开查看","description":"汉班托塔地区的5米分辨率的DEM数据是由资源三号卫星获取的立体像对数据加工处理得到。资源三号卫星搭载了四台光学相机，包括一台地面分辨率2.1m的正视全色 TDI CCD相机、地面分辨率3.5m的前视和后视全色 TDI CCD相机、一台地面分辨率5.8m的正视多光谱相机。其中前正后视全色相机，推扫成像形成三线阵立体像对，可用于DEM提取。通过对2018年至2019年间的资源三号过境信息及数据进行检索，选择了汉班托塔地区无云的立体像对数据进行DEM提取，主要包括定义地面控制点、连接点、设置DEM 提取参数和结果编辑等步骤。","doi":"","projection":"","language":"zh","share_type":"offline","east":81.2,"west":81.0,"south":6.0,"north":6.2,"scale":null,"crs":null,"filesize":23.6,"share_policy":"c","ts_created":"2020-12-23T09:30:47.768291+08:00","doi_type":"国际公开共享数据","ts_updated":"2021-04-19T03:12:02.844475+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":null,"temporal_resolution":"1 year < x < 10 year","spatial_resolution":"1m - 10m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"9ebf595d-7ffb-4e99-80ee-28adedd4aa65","three_pole":null,"third_pole":"XDA20030302"},"username":"XDA20030302","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":848}