{"id":"453520eb-bc17-4b06-9ce9-cdae77922720","title":"青藏高原生态资产评估遥感反演植被覆盖度数据","title_en":"FVC dataset of remote sensing for ecological assets assessment in Qinghai-Tibet Plateau","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":"年份+fvc","description":"青藏高原生态资产评估遥感反演基础数据集包括了青藏高原自2000年起年度的植被覆盖度(FVC)，净初级生产力(NPP)和叶面积指数(LAI)等基于遥感反演的生态参数，以供区域尺度生态资产评估研究使用。其中植被覆盖度数据以MODIS NDVI数据为主体，基于像元二分模型，利用多尺度遥感影像，结合植被群落类型、分布特征等高精度遥感参数，发展植被覆盖度模型，用混合像元分解法构建。精度验证估测值与实测值的RMSE为0.21，在样本值0-0.5之间均存在一定的高估情况。","doi":"10.11888/Ecolo.tpdc.270530","projection":"","language":"zh","share_type":"online","east":104.38,"west":73.44,"south":25.99,"north":40.02,"scale":null,"crs":null,"filesize":546.0,"share_policy":"a","ts_created":"2019-01-01T00:00:18.089939+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-11-02T16:10:21.945900+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[11,12],"specials":["f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":null,"review_status":5,"review_invite":[{"user_name":"张扬建","username":"naqu3228","email":"zhangyj@igsnrr.ac.cn","is_cancel_expert":true}],"review_editor":{"id":21054,"last_login":"2022-04-10T10:49:12.540341+08:00","username":"tingting","email":"panxd@itpcas.ac.cn","is_active":true,"is_staff":true,"user_name":"潘小多"},"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":"453520eb-bc17-4b06-9ce9-cdae77922720","three_pole":null,"third_pole":"XDA20020402"},"username":"XDA20020402","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":2765}