TY - Data T1 - Qilian Mountains integrated observatory network: Dataset of Heihe integrated observatory network (eddy covariance system of Dashalong station, 2018) A1 - Liu shaomin A1 - Li Xin A1 - CHE Tao A1 - Xu ziwei A1 - Zhang Yang A1 - Tan Junlei PY - 2026 DA - 2026-04-22 PB - National Cryosphere Desert Data Center AB - This dataset contains the observation data of the vortex correlation instrument at Dashalong Station on the comprehensive observation network of surface processes in the Heihe River Basin from January 1, 2018 to December 31, 2018. The station is located in Qilian County, Qinghai Province, with a marshy alpine meadow as the underlying surface. The latitude and longitude of the observation point are 98.9406E, 38.8399N, and the altitude is 3739 meters. The height of the eddy covariance instrument is 4.5 meters, the sampling frequency is 10 Hz, the ultrasonic direction is due north, and the distance between the ultrasonic wind speed thermometer (CSAT3) and the CO2/H2O analyzer (Li7500RS) is 15 centimeters DB - NCDC UR - http://www.ncdc.ac.cn/portal/metadata/e324a1f7-a690-4606-bbf3-fb835f5ba09c ER -