{"id":"19254c00-881d-47f7-a0a8-1fb86f6011a3","title":"海河流域多尺度地表通量与气象要素观测数据集：怀来站大孔径闪烁仪（2020）","title_en":"Multi-scale surface flux and meteorological elements observation dataset in the Hai River Basin (Huailai station-large aperture scintillometer, 2020)","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":"年份+**海河流域+站点名称+LAS","description":"该数据集包含了怀来站的大孔径闪烁仪通量观测数据。怀来站分别架设了BLS450和zzlas型号的大孔径闪烁仪，北塔为zzlas的接收端和BLS450的发射端，南塔为zzlas的发射端和BLS450的接收端。观测时间为2020年1月1日至2020年12月31日。站点位于河北省怀来县东花园镇，下垫面是玉米。北塔的经纬度是115.8023E，40.3596N，南塔的经纬度是115.7825E，40.3522N，海拔高度约480m。大孔径闪烁仪的有效高度14m，光径长度是1870m，采样频率是1min。\n大孔径闪烁仪原始观测数据为1min，发布的数据为经过处理与质量控制后的数据，其中感热通量主要是结合自动气象站观测数据，基于莫宁-奥布霍夫相似理论通过迭代计算得到，主要的质量控制步骤包括：（1）剔除Cn2达到饱和的数据；（2）剔除解调信号强度较弱的数据；（3）剔除降水时刻的数据；（4）剔除稳定条件下的弱湍流的数据（u*小于0.1m/s）。\n关于发布数据的几点说明：（1）怀来站LAS数据以BLS450为主，缺失时刻由zzlas观测补充，两者都缺失则以-6999标记。（2）数据表头：Date/Time ：日期/时间（格式：yyyy/m/d h:mm），Cn2 ：空气折射指数结构参数（单位：m-2/3），H_LAS ：感热通量（单位：W/m2）。数据时间的含义，如0:30代表0:00-0:30的平均；数据以*.xlsx格式存储。由于供电问题，产生一些数据缺失。\n观测试验或站点信息请参考Guo et al. (2020)，观测数据处理请参考Liu et al. (2013)。","doi":"10.11888/Hydro.tpdc.271784","projection":"","language":"zh","share_type":"offline","east":115.8023,"west":115.7825,"south":40.3522,"north":40.3596,"scale":null,"crs":null,"filesize":0.1,"share_policy":"c","ts_created":"2021-11-02T16:44:41.543202+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-11-02T17:18:00.813591+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"周彦昭","username":"小昭","email":"zhouyanzhao9@126.com","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":"Hourly","spatial_resolution":"--","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"19254c00-881d-47f7-a0a8-1fb86f6011a3","three_pole":null,"third_pole":"XDA20100101"},"username":"徐自为","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":511}