{"id":"eaeda501-1d5c-4ee3-b73f-a1481a2dc3b2","title":"中国主要沙漠输沙势数据集（2000-2008）","title_en":"Sand drift dataset of Chinese major deserts (2000-2008)","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":"沙漠名称简写请参考中国主要沙漠分布数据集（V1.0）。","description":"输沙势计算公式为DPi=∑U^2 [U-Ut]*fu，其中i表示16个方位，具体有N、NNE、NE、NEE、E、EES、ES、ESS、S、SSW、WS、WWS、W、WWN、NW和NNW；U表示的是世界气象组织气象站所设置的风速表高度大于起沙风的有效风，一般为10 m标准高度；Ut表示的是沙粒起动风速，标准高度上使地表沙粒处于滚动状态的最小风速；而f_u是表示风速在沙粒起动风速Ut以上的刮风时间次数。采用2m/s的有效风速间隔，对应的平均风速分别为7、9、11、13、15、17、19、21、23、25、27、29、31、33和34m/s。计算刮风时间比例时的分母使用的是平年8760，闰年8784（年总小时数）。风速数据来自于2000-2008年ERA5 10m高度U和V向风速，时间分辨率为小时，空间分辨率为0.25°。\n沙漠名称简写请参考中国主要沙漠分布数据集（V1.0）。","doi":"10.11888/Geogra.tpdc.271077","projection":"","language":"zh","share_type":"protected","east":122.05,"west":76.34,"south":36.01,"north":49.42,"scale":null,"crs":null,"filesize":9.0,"share_policy":"a","ts_created":"2020-12-30T09:02:21.847413+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-11-17T14:47:46.658606+08:00","time_description":"","datas_group":2,"time_description_en":"","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"潘小多","username":"tingting","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":"Yearly","spatial_resolution":"0.25º - 0.5º","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[72,431],"subtopics":{"metadata":"eaeda501-1d5c-4ee3-b73f-a1481a2dc3b2","three_pole":null,"third_pole":null},"username":"李国帅","review_time":null,"protected_duration":24,"protected_describe":null,"is_important":false,"hit_count":2282}