{"id":"48f56f0a-7331-4b13-aa6a-0937fa616005","title":"中国西南地区SMAP植被光学厚度数据(2015-2022)","title_en":"SMAP Vegetation Optical Depth Data in Southwest China (2015-2022)","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":"SMAP_L3_SM_P_E_yyyymmdd.tif,其中yyyy代表年，mm代表月，dd代表日","description":"SMAP (Soil Moisture Active and Passive） 是美国的地球观测卫星之一，有主动的传感器和被动的传感器。主动的传感器是L波段雷达，被动的传感器是L波段微波辐射计。该植被光学厚度源自 SMAP 1C 级 （L1C） 插值亮度温度。Backus-Gilbert 最优插值技术用于从 SMAP 天线温度中提取信息并将其转换为亮度温度，这些温度以全局圆柱投影的形式发布到 9 km 等积可扩展地球网格 2.0 版 （EASE-Grid 2.0）。截至2021年，这些数据也被发布到北半球EASE-Grid 2.0，","doi":"","projection":"","language":"zh","share_type":"online","east":112.5,"west":97.0,"south":20.5,"north":34.5,"scale":null,"crs":null,"filesize":203504.0,"share_policy":"a","ts_created":"2022-10-14T22:30:52.715329+08:00","doi_type":"国际公开共享数据","ts_updated":"2022-10-17T19:30:35.935769+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[10],"specials":["1832ecb3-70d0-4b5e-bdb5-2e9ff4ad1efe"],"cite":null,"review_status":5,"review_invite":[],"review_editor":null,"data_sources":null,"temporal_resolution":"Daily","spatial_resolution":"1km - 10km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"48f56f0a-7331-4b13-aa6a-0937fa616005","three_pole":null,"third_pole":null},"username":"周芷兰","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":334}