{"id":"660823f5-3479-4e27-8832-19d563a79256","title":"青藏高原Landsat系列卫星地表反射率产品（1980s-2019）","title_en":"Landsat surface reflectance products over the Tibetan Plateau (1980s-2019)","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":"文件命名：地表反射率结果是以景为单位存放文件夹，由地表反射率波段、质量文件（Quality Assessment, QA）、元数据、缩略图组成，文件夹的命名规则为：卫星-传感器-path-row-成像日期-LSR-BRDF，如L5-TM-115-026-19840418-LSR-BRDF；其中地表温度波段是以GeoTIFF格式存储的，每个波段的地表反射率结果命名规则为：卫星-传感器-path-row-成像日期-LSR-BRDF-BX(X表示第几个波段).TIF，如L5-TM-115-026-19840418-LSR-BRDF-B1.TIF。数据使用方法：地表反射率结果可使用Arcgis、ENVI、QGIS等软件打开，地表反射的值在使用时需要乘以0.0001，背景填充值为-9999，并进行了“LZW”的无损压缩。","description":"1）数据内容：本数据集包含从1980s-2019年青藏高原地区Landsat长时序地表反射率产品,是很多地表地球物理参数（如叶面积指数、叶绿素和生物量）反演的关键输入参数。2）数据来源及加工方法：所采用的数据源主要来自中国卫星遥感地面站接收存档的Landsat四级产品，青藏高原地区地表反射率产品是基于6S辐射传输模型和MODIS大气产品进行逐像元大气校正,并在此基础上采用C因子法进行BRDF校正得到的；3）数据质量描述：几何精度为RMSE小于等于12m,地表反射率的精度为RMSD低于5%。4) 数据应用成果及前景：在森林、水资源、气候变化等领域长时序信息挖掘分析方面具有重要的应用价值。","doi":"10.11888/Ecolo.tpdc.271723","projection":"UTM","language":"zh","share_type":"protected","east":106.7,"west":73.4,"south":24.6,"north":40.4,"scale":null,"crs":null,"filesize":732958.72,"share_policy":"a","ts_created":"2021-04-26T16:50:11.522302+08:00","doi_type":"拥有自主知识产权","ts_updated":"2022-02-14T18:04:28.649992+08:00","time_description":"","datas_group":0,"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":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":"Monthly","spatial_resolution":"10m - 100m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[21],"subtopics":{"metadata":"660823f5-3479-4e27-8832-19d563a79256","three_pole":null,"third_pole":"2019QZKK0300"},"username":"孔令桥","review_time":null,"protected_duration":24,"protected_describe":null,"is_important":false,"hit_count":110}