{"id":"56877bd7-305a-4291-a196-178e4a0550d6","title":"喜马拉雅兴都库什地区积雪范围时间序列评估数据（1982-2018）","title_en":"Evaluation of snow extent time series in the Himalaya-Hindukush (1982-2018)","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":"数据集包含个数据表，数据表名称和内容分别为：\nData list：数据列表；\nt1: Daily global Snow Cover Fraction - snow on ground (SCFG) from AVHRR (1982 - 2019) over Hindu Kush Himalayas (兴都库什-喜马拉雅山地区长时间（1982-2019）每日积雪数据)。\nt2: Landsat TM/ETM snow data over the areas corresponding to two tiles of Landsat data (path 140, rows 40 and 41, denoted as “P140-R40/41”) (“P140-R40/41”地区的landsat 积雪数据集)。\nt3: The topographical variability within a certain AVHRR GAC pixel over Hindu Kush Himalayas (5 km尺度像元内的地形变异因子)，该数据集基于SRTM数据计算得到。","description":"本数据集来源于论文：Xiaodan Wu, Kathrin Naegeli, Valentina Premier, Carlo Marin, Dujuan Ma, Jingping Wang, Stefan Wunderle. (2021). Evaluation of snow extent time series derived from AVHRR GAC data (1982-2018) in the Himalaya-Hindukush. The Cryosphere, 15, 4261–4279.\n在这篇文章中，分别基于地面站点数据、Landsat数据和MODIS积雪产品，首次在长时间尺度上（1982-2018）对AVHRR GAC 积雪产品在兴都库什喜马拉雅山脉的表现进行全面的评估，包括该产品的精度/准确性在长时间序列上的一致性，以及该产品与Landsat和MODIS积雪数据在空间分布上的一致性，并揭示了影响AVHRR GAC积雪产品精度的主要因素。","doi":"10.11888/Snow.tpdc.271763","projection":"","language":"zh","share_type":"online","east":105.0,"west":60.9,"south":16.0,"north":39.3,"scale":null,"crs":null,"filesize":307200.0,"share_policy":"a","ts_created":"2021-10-19T15:48:00.833033+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-10-26T09:14:03.388310+08:00","time_description":"1982-2018","datas_group":3,"time_description_en":"1982-2018","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"吴强林","username":"吴强林","email":"wuql@itpcas.ac.cn","is_cancel_expert":false},{"user_name":"潘小多","username":"panxd@itpcas.ac.cn","email":"panxd@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":"1km - 10km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"56877bd7-305a-4291-a196-178e4a0550d6","three_pole":null,"third_pole":null},"username":"任慧霞","review_time":null,"protected_duration":0,"protected_describe":null,"is_important":false,"hit_count":734}