%0 Dataset
%T Heihe River Ecological hydrological remote sensing experiment: sounding observation data set of Zhangye National Climate Observatory (June August 2012)
%J National Cryosphere Desert Data Center
%I National Cryosphere Desert Data Center(www.ncdc.ac.cn)
%U http://www.ncdc.ac.cn/portal/metadata/df47bc4f-10ad-4410-bf23-11821cc71890
%W NCDC
%R 10.12072/ncdc.nieer.db3515.2023
%A Ma mingguo
%K Radiosonde;calibration observation;radiometric calibration;atmospheric profile;atmospheric correction;atmospheric radiation;atmospheric temperature;atmospheric wind;solar radiation;wind profile;humidity;air temperature
%X During the middle reaches test in 2012, Zhangye Observatory was entrusted to carry out conventional radiosonde encryption observation based on L-band radiosonde system, and collect observation data twice a day, so as to obtain radiosonde observation data three times a day at 8:00, 14:00 and 20:00. The data is used to support the atmospheric correction of aerial remote sensing images and satellite images, as well as meteorological analysisObservation location:  Zhangye National Climate Observatory, Shajing Town, 20km west of Zhangye City, the coordinates of observation points are: 39 ° 5'15.68 "n, 100 ° 16'39.11" E.Measuring instrument:  Operational L-band radiosonde system of the National Meteorological Administration.Measurement time:  From June 1 to August 31, 2012, a total of 92 days of continuous observation were conducted, and the observation time was 7:00-8:00, 13:00-14:00 and 19:00-20:00. The observation time from May 1 to 31 and September 1 to 30, 2012 is 7:00-8:00 and 19:00-20:00Data content: For the atmospheric profile data of wind, temperature, humidity, pressure and other elements, the observation frequency is once in 2 seconds, and the observation height is about 30000 meters