此数据集是祁连站2011年10月1日—2011年12月31日30min涡动协方差数据，观测项目有：水平风速Ux（m/s），水平风速Uy（m/s），垂直风速Uz（m/s），超声温度Ts（摄氏度），二氧化碳浓度co2（mg/m^3），水汽浓度h2o（g/m^3），气压press（KPa）。数据采样频率是每秒10Hz。
", "ds_source": "仪器监测，人工采集。
", "ds_process_way": "涡动协方差系统，是一种微气象学的测量方法。它采用涡度相关原理，利用快速响应的传感器来测量大气下垫面的物质交换和能量交换。开路涡动协方差系统的核心由CR1000数据采集器、CSAT3三维超声风速风向传感器、LI-7500开路CO2/H2O气体分析仪（EC150）组成。涡动协方差系统为本项目新购仪器，订购时间较长，2011年10月初安装，数据较短。
", "ds_quality": "涡动协方差系统为2011年9月初次安装，故2011年数据时段为：安装调试阶段数据有部分缺失，数据中NAN为数采断电或传感器自身问题造成数据的缺失。
", "ds_acq_start_time": "2011-09-29 00:00:00", "ds_acq_end_time": "2011-12-31 00:00:00", "ds_acq_place": "葫芦沟流域黑河上游", "ds_acq_lon_east": 99.91638888888889, "ds_acq_lat_south": 38.166666666666664, "ds_acq_lon_west": 99.76666666666667, "ds_acq_lat_north": 38.266666666666666, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 2414578, "ds_files_count": 3, "ds_format": "Excel", "ds_space_res": null, "ds_time_res": "30分钟", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "81e46db7-135b-4b7b-b4db-f5b7f1ebda8c.png", "ds_thumb_from": 2, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": "平台服务中心", "organization_id": "52b7b79b-860c-49a5-9083-9a70cf8bed5a", "ds_serv_man": "韩春坛", "ds_serv_phone": "13919408816", "ds_serv_mail": "hancht@lzb.ac.cn", "doi_value": null, "subject_codes": [], "quality_level": 3, "publish_time": "2021-02-03 10:49:30", "last_updated": "2023-11-02 10:42:37", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.nieer.2020.1165", "i18n": { "en": { "title": "Data set of eddy covariance in hulugou basin of Heihe upstream station in 2011", "ds_format": "", "ds_source": "Instrument monitoring, manual collection.
", "ds_quality": "The eddy covariance system was first installed in September 2011, so the data period in 2011 is: there are some missing data in the installation and commissioning stage, and Nan in the data is the missing data caused by data acquisition power failure or sensor problems.
", "ds_ref_way": "", "ds_abstract": "This data set is the 30 min eddy covariance data of Qilian station from October 1, 2011 to December 31, 2011. The observation items are: horizontal wind speed UX (M / s), horizontal wind speed uy (M / s), vertical wind speed UZ (M / s), ultrasonic temperature TS (centigrade), carbon dioxide concentration CO 2 (mg / m ^ 3), water vapor concentration H 2O (g / m ^ 3), pressure press (kPa). The data sampling rate is 10Hz per second.
", "ds_time_res": "30分钟", "ds_acq_place": "Upper reaches of Heihe River in hulugou Basin", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Eddy covariance system is a micro meteorology measurement method. It adopts the principle of vorticity correlation and uses fast response sensors to measure the mass exchange and energy exchange on the underlying surface of the atmosphere. The core of the open circuit eddy covariance system is composed of CR1000 data collector, csat3 three-dimensional ultrasonic wind speed and direction sensor and li-7500 open circuit CO2 / H2O gas analyzer (EC150). Eddy covariance system is a new instrument purchased in this project, which takes a long time to order. It was installed in early October 2011, and the data is short.
", "ds_ref_instruction": "" } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC BY 4.0", "ds_topic_tags": [ "综合气象因子", "涡度相关系统", "葫芦沟流域" ], "ds_subject_tags": [], "ds_class_tags": [], "ds_locus_tags": [ "祁连县", "黑河上游", "葫芦沟流域", "青海省" ], "ds_time_tags": [ 2011 ], "ds_contributors": [ { "true_name": "陈仁升", "email": "crs2008@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "" } ], "ds_meta_authors": [ { "true_name": "韩春坛", "email": "hancht@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "ds_managers": [ { "true_name": "陈仁升", "email": "crs2008@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "" } ], "category": "气象" }