{"id":"0d8cbe60-3f79-4072-8d92-9c4a68ddbdfb","title":"泛第三极34个关键节点区域MODIS叶面积指数数据（2002-2016）","title_en":"MODIS Lai data of 34 key nodes in Pan third pole region (2002-2016)","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格式，以节点国家命名，如：Alexander_LAI，可以采用ARCGIS、ENVI打开查看","description":"叶面积指数（leaf area index）又叫叶面积系数，是指单位土地面积上植物叶片总面积占土地面积的倍数，是反映作物群体大小的较好的动态指标。叶面积指数是森林生态系统的一个重要结构参数，表征叶片的疏密程度和冠层结构特征，影响着植被冠层内的光合、呼吸和蒸腾作用等生理生化过程，是描述土壤-植被-大气之间物质和能量交换的关键参数，也是估算多种生态过程与功能的重要变量。\n本数据基于2000至2016年MODIS叶面积指数数据，对泛第三极关键节点区域的MCD15A3H产品数据进行了裁剪，最终得到了关键节点区域2002-2016年4天叶面积指数数据。数据投影：正弦投影 sinusoidal \n数据的区域为泛第三极34个关键节点（阿巴斯、阿斯塔纳、科伦坡、瓜达尔、孟巴、德黑兰、万象等地区）。","doi":"","projection":"","language":"zh","share_type":"online","east":102.0,"west":97.0,"south":37.0,"north":42.0,"scale":null,"crs":null,"filesize":5038.08,"share_policy":"a","ts_created":"2020-01-08T00:45:09.984317+08:00","doi_type":"国际公开共享数据","ts_updated":"2021-04-19T19:36:00.787799+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"冯敏","username":"mfeng","email":"mfeng@itpcas.ac.cn","is_cancel_expert":false}],"review_editor":{"id":42023,"last_login":"2022-03-24T09:37:33.507049+08:00","username":"yanmh","email":"yanmh@itpcas.ac.cn","is_active":true,"is_staff":true,"user_name":"闫梦还"},"data_sources":null,"temporal_resolution":"Daily","spatial_resolution":"100m - 1km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"0d8cbe60-3f79-4072-8d92-9c4a68ddbdfb","three_pole":null,"third_pole":"XDA20030302"},"username":"XDA20030302","review_time":"2020-01-16T17:58:29.079136+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1666}