{"id":"add77205-ad37-4b93-bfe8-25618529229a","title":"基于微波数据同化的中国土壤水分数据集（2002-2011）","title_en":"The soil moisture dataset of China based on microwave data assimilation (2002-2011)","serial":"泛第三极环境大数据平台","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。使用本数据仅限于科学研究。使用该数据发表学术论文的作者应向数据提供者发送一份论文拷贝。","instructions":"","description":"基于微波数据同化的中国土壤水分数据集包含2002-2011年3层土壤水分数据（0-5cm，5-20cm，20-100cm）。数据采用Yang et al.(2007) 发展的自动标定参数的陆面同化系统（ITPLDAS），以中国区域高时空分辨率的地面气象要素数据集（ITP-forcing数据集）驱动陆面过程模型SiB2，同化AMSR-E 卫星观测亮温，输出三层土壤水分数据。土壤水分均方根误差：5%VWC（在青藏高原那曲和玛曲的评估精度）。\n数据文件名称：\nSoil-Moisture_from_ITPLDAS_daily_0.25deg_v2.1.nc\n数据内容变量描述：\n文件主要包括5个变量：lon、lat、lev、time及www；\nwww(time, lev, lat, lon)是土壤水分含量（缺值为：-999.0）, 其中lon、lat、lev、time分别是经度、纬度、深度及时间四个维度坐标。\n变量单位描述：\n土壤水分体积含量（www）：m3/m3。\n附：ncdump –h 命令可以直接查看头文件信息。","doi":"10.11888/AtmosphericPhysics.tpe.249448.file","projection":"","language":"zh","share_type":"online","east":140.0,"west":70.0,"south":15.0,"north":55.0,"scale":null,"crs":"","filesize":1800.0,"share_policy":"a","ts_created":"2018-08-24T10:14:53+08:00","doi_type":"","ts_updated":"2021-04-19T23:57:19.287078+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":"*.nc","project":[11],"specials":["1832ecb3-70d0-4b5e-bdb5-2e9ff4ad1efe","f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":"Yang, K., Lazhu, Y. Chen, L. Zhao, J. Qin, H. Lu, W. Tang, M. Han, B. Ding, and N. Fang, 2016: Land surface model calibration through microwave data assimilation for improving soil moisture simulations, J. Hydrol., 533, 266–276, doi:10.1016/j.jhydrol.2015.12.018.","review_status":5,"review_invite":[],"review_editor":{"id":21057,"last_login":"2022-04-02T11:43:37.753860+08:00","username":"gecm","email":"gechm@lzb.ac.cn","is_active":true,"is_staff":true,"user_name":"盖春梅"},"data_sources":"","temporal_resolution":"","spatial_resolution":"","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"add77205-ad37-4b93-bfe8-25618529229a","three_pole":null,"third_pole":null},"username":"SDB","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":9078}