{"id":"70581229-721f-440e-bfeb-2d986d675508","title":"祁连山区域基于MODIS数据耦合地形效应的日地表反照率数据集（2019）","title_en":"Daily albedo product coupling topographic effects retrieved from MODIS data over the Qilian Mountain area(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":"文件命名约定：MOD0AL.YYYYDDD.hHHvVV.hdf（YYYY：年，DDD：日（儒略日）HH与VV分别 参考MODIS标准分幅的H 与V），比如 MOD0AL.2016001.h24v04.hdf，表示2016年第一天的分幅名为h24v04的反照率\n数据版本号：V1\n投影：标准sinosodiol 投影与MODIS普通产品一致\n数据格式：hdf 2400行*2400列\n填充值：32767\nscale: /10000（整数值存储，除以10000，为实际反照率）\n波段说明：1-7波段对应MODIS反射率产品前7个波段的窄波段当地正午时黑空反照率，8-10波段为当地正午时刻可见光、近红外、短波波段黑空反照率；11-17波段MODIS前7个波段的窄波段白空反照率，18-20波段可见光、近红外、短波波段白空反照率","description":"本数据集为祁连山区域2019年日分辨率地表反照率产品,空间分辨率500m。采用耦合地形因子的基于MODIS反射率数据协同反演的BRDF\\反照率模型，并引入先验知识进行质量控制。MODIS地表反射率数据为官方网站下载，以5天为周期合成日分辨率BRDF，进而估算日分辨率的反照率。经过验证评估，满足反照率应用精度要求，相较于同类产品对快速变化地表特征的捕捉更具有优势，且时空连续性更好。可有效支撑祁连山地区辐射平衡、环境变化研究。","doi":"10.11888/Meteoro.tpdc.271197","projection":"","language":"zh","share_type":"online","east":107.0,"west":89.0,"south":34.0,"north":45.0,"scale":null,"crs":null,"filesize":150.0,"share_policy":"a","ts_created":"2021-02-28T13:41:16.772131+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T21:20:21.287612+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[11],"specials":["4e7b97a6-ee1f-4b51-83e5-04a100993973","836a1603-47d0-494e-88c1-96723fd8e0bc","f2a78cde-1c98-4241-94dc-7532eba32b80","f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":null,"review_status":5,"review_invite":[{"user_name":"唐文君","username":"tangwjitp","email":"tangwj@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":"Daily","spatial_resolution":"100m - 1km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"70581229-721f-440e-bfeb-2d986d675508","three_pole":null,"third_pole":"XDA20100101"},"username":"XDA20100101","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1219}