{"id":"c42587e9-ef1a-4c71-84fa-a40e75afb133","title":"东南亚18个关键节点区域逐年的地表土地覆盖数据（2001-2016）","title_en":"Annual land cover data of 18 key node areas in Southeast Asia (2001-2016)","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":".tif，可以采用ARCGIS、ENVI打开查看","description":"MODIS三级数据土地覆盖类型产品（Land Cover data）是基于Terra和Aqua卫星的年度观测数据提取而来的。根据国际地圈生物圈计划（IGBP）定义的土地覆盖类型，该数据产品集中包含了17个主要土地覆盖类型，其中包括11个自然植被类型，3个土地开发和镶嵌的地类和3个非草木土地类型。MODIS Terra/Aqua三级土地覆盖年度全球500米产品MCD12Q1采用了五种不同的土地覆盖分类方案，而信息提取主要技术则是监督决策树分类。以主要覆盖东南亚和中东的18个关键节点为研究区域，基于2001至2016年的MCD12Q1数据，利用MatLab对数据进行研究区的掩模裁剪，最终得到了东南亚18个关键节点区域2001-2016逐年的地表土地覆盖数据。","doi":"","projection":"","language":"zh","share_type":"online","east":110.9,"west":-3.31,"south":-1.09,"north":58.68,"scale":null,"crs":null,"filesize":87.4,"share_policy":"a","ts_created":"2019-01-02T15:42:14.560266+08:00","doi_type":"","ts_updated":"2021-04-17T13:23:58.071093+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":"马明国","username":"mmgswu","email":"mmg@swu.edu.cn","is_cancel_expert":false}],"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":"Yearly","spatial_resolution":"m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"c42587e9-ef1a-4c71-84fa-a40e75afb133","three_pole":null,"third_pole":"XDA20030302"},"username":"XDA20030302","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":2023}