{"id":"c623850c-6633-4d87-98a3-7c4828ca7572","title":"北极1:100万道路数据集（2014）","title_en":"Arctic 1:1,000,000 road dataset (2014)","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":"Arctic_Major_Routes、Arctic_Minor_Routes、Arctic_railway\n用arcgis、mapgis、Qgis等遥感软件打开","description":"北极1:100万道路数据集包括北极范围内主要道路（Arctic_Major_Routes）、次要道路（Arctic_Minor_Routes）和铁路（Arctic_railway）矢量空间数据及相关属性数据：道路名称（Name）、类型（Type）。\n\n数据来自1:100万ADC_WorldMap全球数据集，数据经过拓扑，入库等数据质量检查，是全面、最新和无缝的地理数字数据。\n\n世界地图坐标系统是经纬度，WGS84基准面，北极地区数据集为北极专用投影参数（North_Pole_Stereographic）。","doi":"","projection":"","language":"zh","share_type":"online","east":180.0,"west":-180.0,"south":60.0,"north":90.0,"scale":null,"crs":null,"filesize":18.2,"share_policy":"a","ts_created":"2019-03-04T16:00:14.887204+08:00","doi_type":null,"ts_updated":"2021-04-19T20:48:03.913047+08:00","time_description":"2014","datas_group":3,"time_description_en":null,"data_format":null,"project":[10,11],"specials":["5f218875-5eed-4939-8208-7bf54c573e42"],"cite":null,"review_status":5,"review_invite":[],"review_editor":{"id":21057,"last_login":"2022-04-02T11:43:37.753860+08:00","username":"gecm","email":"gechm@lzb.ac.cn","is_active":true,"is_staff":true,"user_name":"盖春梅"},"data_sources":"","temporal_resolution":"1 year < x < 10 year","spatial_resolution":"m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[5],"subtopics":{"metadata":"c623850c-6633-4d87-98a3-7c4828ca7572","three_pole":null,"third_pole":null},"username":"盖春梅","review_time":"2019-03-04T17:00:02.022310+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1753}