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Source: Science and Technology Daily

Reporter Lu Chengkuan

On August 1, the sky-air-ground three-dimensional coordinated observation experiment of the complex surface-ground-atmosphere interaction in the high-altitude and cold environment of the Mount Everest region of the Qinghai-Tibet Plateau was officially launched.This is the first time that an aerial platform has been used to carry out a water, heat and carbon flux observation experiment in the Mount Everest region of the Qinghai-Tibet Plateau, which will fill the gap in the "surface-scale" observation of the earth-atmosphere interaction in the Mount Everest region of the Qinghai-Tibet Plateau.

A drone equipped with a hydrothermal carbon flux observation system is acquiring flux data. Image source: Institute of Aerospace Information Innovation, Chinese Academy of Sciences

This time, researchers willThe test area was selected on the north side of Mount Everest.The average altitude of the area is about 4,200 meters.

The experiment uses ground-based and air-based collaborative observation methods.The research team carried out observations and analysis of typical surface-ground-atmosphere interactions in the Everest region at different time and space scales. In the airborne experiment, the research team conducted airborne observations for the first time under complex surface conditions in the Everest region, obtaining spatial distribution data of moisture flux, latent heat flux, sensible heat flux, carbon flux, and radiation flux between the surface and the atmosphere at the regional "surface scale".