{"id":"66145a93-42c8-41cc-8b0a-12f2b7e5d948","title":"全球河湖矢量数据集（2010）","title_en":"Global river and lake vector dataset (2010)","serial":"地球大数据科学工程专项时空三极环境项目","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":"河流湖泊等资源是研究地球生态环境的重要内容，影响全球生态系统、热量、物质交换和平衡，是研究全球环境机理变化的重要基础。当前，全球缺乏大尺度、高精度、大范围的湖泊矢量数据，阻碍了有关河流、湖泊的水文研究。研究以陈军等全球河流湖泊数据集作为源数据，结合2010年前后2-3年的国产高分影像GF数据，产生一套全球河流、湖泊数据集。这套数据集弥补了部分区域精度低的缺陷，是具有可编辑性的较高精度的湖、河矢量数据集。","doi":"","projection":"","language":"zh","share_type":"online","east":180.0,"west":-180.0,"south":-90.0,"north":90.0,"scale":250000,"crs":"","filesize":2634.0,"share_policy":"a","ts_created":"2018-08-23T02:47:42+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-20T01:08:14.541475+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":"shp","project":[10,11],"specials":["b4b306da-eab1-47ef-ae5d-be2556298efd","5f218875-5eed-4939-8208-7bf54c573e42","1832ecb3-70d0-4b5e-bdb5-2e9ff4ad1efe"],"cite":"邱玉宝,王星星,梁雯珊. 全球河湖矢量数据集. 时空三极环境大数据平台. 2018","review_status":5,"review_invite":[],"review_editor":{"id":21054,"last_login":"2022-04-10T10:49:12.540341+08:00","username":"tingting","email":"panxd@itpcas.ac.cn","is_active":true,"is_staff":true,"user_name":"潘小多"},"data_sources":"","temporal_resolution":"","spatial_resolution":"m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[5],"subtopics":{"metadata":"66145a93-42c8-41cc-8b0a-12f2b7e5d948","three_pole":"XDA19070201","third_pole":null},"username":"邱玉宝","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":4144}