{"id":"099b09fa-5688-4f54-9c0e-fb917420dbd4","title":"“一带一路”关键节点区域-交通与基础设施数据（公路长度、航线数量、机场数量等）（2015）","title_en":"Transportation and infrastructure data(Road length) 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个关键节点区域道路数据是从互联网收集并处理而来。从OpenStreetMap开源wiki地图中可以获得道路数据，OpenStreetMap是一项旨在向任何人创建并提供免费地理数据（如街道地图）的计划。首先以一带一路沿线的关键节点区域所在国家下载线状道路数据，再按区域进行裁剪提取，再计算各个单元内公路长度，得到。基于OpenStreetMap最终整合成公路长度基础设施要素数据产品。该公路长度数据可为“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":"","language":"zh","share_type":"online","east":107.0,"west":-2.0,"south":-6.0,"north":58.0,"scale":null,"crs":null,"filesize":33.4,"share_policy":"a","ts_created":"2020-12-20T15:06:02.982542+08:00","doi_type":"国际公开共享数据","ts_updated":"2021-04-19T23:02:30.163181+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}],"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":"099b09fa-5688-4f54-9c0e-fb917420dbd4","three_pole":null,"third_pole":"XDA20030302"},"username":"XDA20030302","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1597}