{"id":"7e1633cc-b3fe-46a2-8d6c-9e0ae05bb639","title":"中国区域与青藏高原地区无云逐日积雪覆盖度数据集(2013-2014)","title_en":"Cloud-free Fractional Snow Cover from Blended MODIS and FY-2 VISSR","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":"卫星传感器_区域_产品级别_产品含义_年月日_空间分辨率.tif，如“FY2EFandMCD_CHINA_L2_FSC_20121201_5KM.tif”。文件为GeoTIFF格式，常用遥感软件ArcGIS、ENVI/IDL和Matlab均支持；空间参考为WGS84基准面、等经纬投影；数据类型为无符号8位整型，0~100为积雪覆盖度，255为填充值。","description":"时空连续的积雪覆盖面积对陆表能量水分交换、山区水文、陆面模式、数值天气预报以及气候变化研究具有重要意义，而云的大量存在，造成光学遥感积雪覆盖面积中严重的数据空缺。本数据集采用Terra和Aqua双星MODIS观测，以及FY-2E和FY-2F VISSR双星观测，获取受云影响较小的积雪覆盖 度（亚像元积雪覆盖），并根据时序信息补充剩余云像元的积雪覆盖度，最终得到无云积雪覆盖度。本数据集包括青藏高原0.005度(约500 m)和中国地区的0.05度(约5 km)空间分辨率逐日积雪覆盖度。","doi":"10.11888/Snow.tpdc.270958","projection":"WGS84","language":"zh","share_type":"online","east":138.0,"west":71.0,"south":15.0,"north":56.0,"scale":null,"crs":null,"filesize":200.0,"share_policy":"a","ts_created":"2019-12-15T03:08:44.496561+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T21:54:38.483583+08:00","time_description":"2012/2013冬季与2013/2014冬季","datas_group":3,"time_description_en":"2012/2013 winter and 2013/2014 winter","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"黄晓东","username":"huangxd","email":"huangxd@lzu.edu.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":"0.01º - 0.05º","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[234],"subtopics":{"metadata":"7e1633cc-b3fe-46a2-8d6c-9e0ae05bb639","three_pole":null,"third_pole":null},"username":"施建成","review_time":"2019-12-15T06:43:25.744610+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":4554}