{"id":"ccf42f60-6423-4c3c-8ef9-46c21a5f641c","title":"中亚地区城市土地利用变化数据（1985-2018）","title_en":"Urban land use change data in Central Asia (1985-2018)","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":"数据保存在“centralAsia_GAIA.tif”文件中。像元值1-34分布与2018-1985年相对应。像元值为0代表直至2018年尚不是城市用地。\nGeoTIFF文件均可用ArcGIS软件和GDAL读取和打开。","description":"本数据集包括1985-2018年间，中亚地区五国（哈萨克斯坦、吉尔吉斯斯坦、塔吉克斯坦、土库曼斯坦和乌兹别克斯坦）的城市建设用地变化的逐年数据。该数据空间分辨率为30m，时间分辨率为一年，源自基于Landsat遥感影像提取的1985-2018年全球人工不透水面（GAIA）变化数据（宫鹏等）。研究者对该数据在1985至2015年间每隔5年的7组数据进行了评估，其平均整体精度超过90%，并且是唯一跨越30年的城市建设用地数据集。","doi":"https://doi.org/10.1016/j.rse.2019.111510","projection":"WGS84","language":"zh","share_type":"online","east":78.0,"west":46.0,"south":36.0,"north":56.0,"scale":null,"crs":null,"filesize":178.2,"share_policy":"a","ts_created":"2021-02-01T23:57:24.690898+08:00","doi_type":"国际公开共享数据","ts_updated":"2021-04-19T19:57:30.838209+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":"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":"10m - 100m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"ccf42f60-6423-4c3c-8ef9-46c21a5f641c","three_pole":null,"third_pole":"XDA20040402"},"username":"XDA20040402","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":2170}