{"id":"178bec71-0e91-408e-9190-623666c8d50e","title":"全球星载激光测高高程控制点数据集（2003-2009）","title_en":"Global satellite-borne laser altimeter elevation control point data set (2003-2009)","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":"","description":"本数据集为全球高精度高程控制点数据集，包含各个高程控制点地理定位，高程，采集时间等信息。\n从卫星激光测高数据中提取的激光足印高程的精度受到许多因素的影响，如大气、有效载荷仪器噪声、激光足迹中的地形起伏等，导致精度不确定。该数据集通过评估标签和测距误差模型所构建的筛选准则对ICESat卫星从2003年到2009年的测高观测数据进行筛选提取，以期地形测图或依赖良好高程信息的其他科学领域提供高精度的全球高程控制点。经验证，平地（坡度<2°）、丘陵（2°≤坡度<6°）、山地（6°≤坡度<25°）区域的高程精度分别满足0.5m、1.5m、3m的精度要求。","doi":"10.11888/Geogra.tpdc.271727","projection":"","language":"zh","share_type":"online","east":180.0,"west":-180.0,"south":-56.0,"north":82.0,"scale":null,"crs":null,"filesize":1382.4,"share_policy":"a","ts_created":"2021-09-15T19:48:26.059110+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-09-28T09:37:43.860484+08:00","time_description":"","datas_group":2,"time_description_en":"","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[],"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":"Monthly","spatial_resolution":"100m - 1km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[642,643,644],"subtopics":{"metadata":"178bec71-0e91-408e-9190-623666c8d50e","three_pole":null,"third_pole":null},"username":"李彬彬","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":70}