{"id":"2d67432f-a0c3-4970-913a-85c2dff4c204","title":"泛第三极地区城市用地空间分布数据（1992-2015）","title_en":"Spatial distribution data of urban land use in Pan-Third Pole region (1992-2015)","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":"数据文件命名方式：Urban_land_use_data_1992_2015; \n使用方法：运用ArcGIS软件打开并使用。","description":"1)数据内容：泛第三极地区65个国家1992-2015年城市建成区矢量数据。\n2）数据来源及加工方法：以欧空局JCR中心1992-2015年全球300米分辨率土地覆被数据为基础，整合宫鹏、刘小平和陈军的全球城市土地利用数据，通过校正处理获取得到。\n3) 数据质量描述：整体65个国家的数据准确率为75%左右，不同地区可能存在数据精度差异。\n4) 数据应用成果及前景：可用于泛第三极地区65个国家城镇化相关研究，例如城市用地扩张分析和未来情景模拟等。","doi":"","projection":"WGS84","language":"zh","share_type":"online","east":178.0,"west":178.0,"south":11.0,"north":77.0,"scale":null,"crs":null,"filesize":5420.0,"share_policy":"a","ts_created":"2019-01-01T01:59:43.811961+08:00","doi_type":null,"ts_updated":"2021-04-19T11:17:22.392622+08:00","time_description":"1992-2015","datas_group":3,"time_description_en":null,"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":null,"data_sources":"","temporal_resolution":"Yearly","spatial_resolution":"m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"2d67432f-a0c3-4970-913a-85c2dff4c204","three_pole":null,"third_pole":"XDA20040403"},"username":"XDA20040403","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":1649}