{"id":"698bfaba-d9c3-4b04-a40f-7d7e74f4caca","title":"“一带一路”核心国家2015年土地利用数据（V1.0）","title_en":"Land cover of core countries of the Belt and Road in 2015 (Version 1.0)","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":"xx_datayy\nxx为dx，表示“一带一路”的核心国家\ndata为luc，表示土地覆被\nyy为2015，表示2015年","description":"依据多土地覆被类型数据包括有欧空局全球陆地覆盖数据（ESA CCI-LC，300m栅格）、清华大学全球土地覆被数据（FROM-GLC，30m栅格）和美国NASA的LP DAAC 中心的MODIS全球土地覆被数据（MCD12Q1，300m栅格）等3个土地覆被产品数据。个别类别土地覆被数据包括有美国地质调查局USGS的全球耕地数据（GFSAD30，30m）、日本宇宙航空研究开发机构JAXA的全球林地数据（PALSAR/PALSAR-2，25m）、欧盟联合研究中心(JRC, EC)的全球水体数据（GSWD，Global Surface Water Data）和中山大学基于Google earth engine提取的全球城市用地数据（GULM，Global Urban Land Map）。构建了“一带一路”区域LUC分类系统以及其余数据分类系统的转换规则，构建土地覆被分类置信度函数和地类融合规则，进行土地覆被产品融合与修正，完成了“一带一路”核心国家2015年土地利用数据（V1.0）。","doi":"10.11888/Geogra.tpdc.270197","projection":null,"language":"zh","share_type":"online","east":120.0,"west":44.0,"south":0.0,"north":70.0,"scale":null,"crs":null,"filesize":50.0,"share_policy":"a","ts_created":"2019-09-26T04:01:25.039676+08:00","doi_type":"","ts_updated":"2021-04-19T22:35:19.938273+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":[],"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":"m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"698bfaba-d9c3-4b04-a40f-7d7e74f4caca","three_pole":null,"third_pole":"XDA20040201"},"username":"XDA20040201","review_time":"2019-09-26T04:11:27.549925+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":4783}