{"id":"9a3cd3b0-dfe7-4d4a-a11e-b2e599fecefd","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（2019）","title_en":"Multi-scale surface flux and meteorological elements observation dataset in the Hai River Basin (Huailai station-large aperture scintillometer, 2019)","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2019年1月1日至2019年12月31日的大孔径闪烁仪观测数据，分别架设了两台型号为BLS450和zzlas的大孔径闪烁仪。站点位于河北省怀来县东花园镇，下垫面玉米。观测点的经纬度是115.7880E, 40.3491N，海拔480m。大孔径闪烁仪的有效高度为14m，光径长度是1870m，发射端经纬度是115.8023E，40.3596N，接收端的经纬度是115.7825E，40.3522N。BLS450和zzlas的采集频率分别为5Hz和1Hz，平均为1min输出。\n大孔径闪烁仪原始数据为1min，发布的数据为经过处理与质量控制后的30min平均数据，其中感热通量主要是结合自动气象站数据，基于莫宁-奥布霍夫相似理论通过迭代计算得到。在迭代计算过程中，对于BLS450，选取Thiermann and Grassl,1992的稳定度函数；对于zzlas，选取Andreas,1988的稳定度函数。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）剔除降水时刻及其前后一小时的数据；（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）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，Cn2：空气折射指数结构参数（m-2/3），H_LAS：感热通量（W/m2）。数据时间的含义，如0:30代表0:00-0:30的平均；数据以*.xls格式存储。\n观测试验或站点信息请参考Guo et al. (2020)，数据处理请参考Liu et al. (2013)。","doi":"10.11888/Meteoro.tpdc.271101","projection":"","language":"zh","share_type":"offline","east":115.8023,"west":115.8023,"south":40.3596,"north":40.3596,"scale":null,"crs":null,"filesize":0.5,"share_policy":"c","ts_created":"2021-01-06T13:06:31.760001+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T11:58:42.827313+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":null,"project":[11],"specials":["4e7b97a6-ee1f-4b51-83e5-04a100993973","836a1603-47d0-494e-88c1-96723fd8e0bc","836a1603-47d0-494e-88c1-96723fd8e0bc","09952496-0366-4b5c-9290-5cd381e31380","f2a78cde-1c98-4241-94dc-7532eba32b80","f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":null,"review_status":5,"review_invite":[{"user_name":"陈莹莹","username":"陈莹莹","email":"chenyy@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":"Hourly","spatial_resolution":"-","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[192],"subtopics":{"metadata":"9a3cd3b0-dfe7-4d4a-a11e-b2e599fecefd","three_pole":null,"third_pole":"XDA20100101"},"username":"XDA20100101","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":2149}