{"id":"462504d6-ad82-4542-ab96-289afef64a24","title":"青藏高原每日无云积雪产品（2004-2013）","title_en":"Daily cloud-free snow composite products from MODIS Terra-Aqua and IMS for the Tibetan Plateau (2004-2013)","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":"CoupDate.tif","description":"结合MODIS积雪产品Terra/Aqua（500 m）与IMS（4 km），发展了青藏高原每日无云高分辨率积雪产品 (TAI, 500 m)。其相对于原始的MODIS Terra（云覆盖46.6%）和Aqua（55.1%）、及MODIS Terra-Aqua结合（37.3%），将云遮蔽全部去除。同时，提高了积雪成图，新生成的TAI产品的积雪面积为19.1%，相对于原始的MODIS Terra/Aqua及MODIS Terra-Aqua结合（积雪面积4.7%～8.1%），显示了大大的提高。与青藏高原105个站点雪深数据验证表明，TAI产品的总精度为94%，相对于MODIS Terra（55%）、MODIS Aqua（50%）、及MODIS Terra-Aqua结合（64%），都显示了较大的提高，特别是雪深大于4 cm时效果较好。","doi":"10.11888/Geogra.tpdc.271232","projection":"","language":"zh","share_type":"online","east":110.0,"west":65.0,"south":25.0,"north":45.0,"scale":null,"crs":null,"filesize":1800.0,"share_policy":"a","ts_created":"2021-03-29T20:38:39.979319+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T20:24:19.579048+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[],"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":null,"temporal_resolution":"Daily","spatial_resolution":"10m - 100m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"462504d6-ad82-4542-ab96-289afef64a24","three_pole":null,"third_pole":null},"username":"张国庆","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1482}