{"id":"b4dd9a08-e9ea-4aa0-999c-3b47b4119ac3","title":"黑河中游典型站点无人机遥感地表反照率数据（2020，V1）","title_en":"Land Surface Albedo Dataset of Typical Stations in Middle Reaches of Heihe River Basin based on UAV Remote Sensing (2020, V1)","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":"文件命名约定：YYYYMMDD_XX.tiff\t（YYYY：年，MM：月，DD：日，XX：站点，其中DM为大满超级站，SD为张掖湿地站，HZ为花寨子站）\n数据版本号：V1\n投影：+proj=longlat +datum=WGS84 +no_defs\n数据格式：GeoTIFF, 8118行×13506列\n反照率单位：无量纲\n反照率有效值范围：0~1\n填充值：Nodata","description":"地表反照率是地表能量平衡的重要参量之一。本数据集为2020年植被生长季（6-10月）逐月的黑河流域典型站点无人机遥感地表反照率数据（花寨子站8月份的数据由于实验开展的技术问题缺失）。地表反照率算法为统计回归方法，即基于6S模型和大量的典型地物光谱反射率数据，建立的从窄波段反射率到宽波段反照率的经验回归模型。将该回归模型应用于无人机多光谱遥感传感器获得的地表反射率，最终得到0.2 m空间分辨率的地表反照率数据。本数据集经过了辐射定标、几何校正，与地面站点实测数据的验证结果显示，均方根误差为0.029。本数据集提供了超高分辨率的地表反照率数据，可以作为卫星遥感尺度和地面观测尺度之间的“桥梁”，并为从事高分辨率和超高分辨率遥感数据工作的科研工作者提供数据支持。","doi":"10.11888/Ecolo.tpdc.271458","projection":"UTM","language":"zh","share_type":"protected","east":100.451,"west":100.309,"south":38.757,"north":38.98,"scale":null,"crs":null,"filesize":4.59,"share_policy":"a","ts_created":"2021-05-31T16:06:30.892933+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-07-11T23:05:40.054875+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":null,"project":[11],"specials":["4e7b97a6-ee1f-4b51-83e5-04a100993973","836a1603-47d0-494e-88c1-96723fd8e0bc","836a1603-47d0-494e-88c1-96723fd8e0bc","1a73bfb4-68e2-494d-a011-468c4a8bfbe6","f2a78cde-1c98-4241-94dc-7532eba32b80"],"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":66424,"last_login":"2021-08-31T17:09:37.293773+08:00","username":"YanHou","email":"ljz2hy@163.com","is_active":false,"is_staff":false,"user_name":"侯燕"},"data_sources":null,"temporal_resolution":"Monthly","spatial_resolution":"<= 1 m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"b4dd9a08-e9ea-4aa0-999c-3b47b4119ac3","three_pole":null,"third_pole":"XDA20100101"},"username":"XDA20100101","review_time":null,"protected_duration":24,"protected_describe":null,"is_important":false,"hit_count":2523}