{"id":"8e18d17a-98d8-4f50-a61c-a244f21d3d23","title":"“一带一路”关键节点区域-铁路数据（2015）","title_en":"Railway data of the key areas along One Belt One Road (2015)","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":"矢量形式，可以采用ArcGIS打开查看和分析.","description":"“一带一路”沿线的34个关键节点区域铁路数据是从互联网收集并再加工处理而来，为矢量shp格式。首先以关键节点区域所在国家下载OSM线状铁路数据，按关键节点区域进行裁剪提取，同时与基于高分辨率遥感影像铁路提取结果进行对比分析，结合各个地区统计局数据核对更新，最终整合成铁路基础设施要素数据产品。铁路数据集为矢量线状数据，空间坐标系为WGS84，包含名称(name)、铁路类型(fclass)等属性字段，可用来计算铁路长度、分析铁路分布情况等。该铁路数据可为“一带一路”沿线关键节点和区域开展社会经济基础设施、交通运输等研究提供重要的基础数据。","doi":"","projection":"WGS84","language":"zh","share_type":"online","east":107.0,"west":-2.0,"south":-6.0,"north":58.0,"scale":null,"crs":null,"filesize":11.3,"share_policy":"a","ts_created":"2020-12-21T01:32:16.762262+08:00","doi_type":"国际公开共享数据","ts_updated":"2021-04-19T11:40:59.804576+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[11],"specials":["f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":null,"review_status":5,"review_invite":[{"user_name":"吴锋","username":"simlab3825","email":"wufeng@igsnrr.ac.cn","is_cancel_expert":false},{"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":"-","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"8e18d17a-98d8-4f50-a61c-a244f21d3d23","three_pole":null,"third_pole":"XDA20030302"},"username":"XDA20030302","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":891}