Exploring the synergy between the West and the monsoons on Mount Everest, as well as their climatic and ecological implications

Scientists conducted the radio sounding experiment at the base camp of Mount Qomolangma at 7:00 AM on May 4. Credit: Weiqiang Ma

In May 2022, a group of monsoon researchers conducted “Earth Summit Mission 2022: Science and Research Expedition on Mount Kumulangma” within the Himalayas. This expedition implemented advanced new techniques, methods, and means of weather monitoring to investigate both the characteristics of vertical change and the interaction mechanisms between the westerly flows and the monsoons prevailing in the region. The search data covered all six areas, or layers of the atmosphere, near Mount Qomolangma, also known as Mount Everest, the highest mountain on Earth.

This expedition was the first scientific research project to be carried out at an altitude of more than 8000 meters above sea level. The researchers focused on two tasks: detection of the vertical structure of the atmosphere surrounding the mountain and observation extreme atmosphere conditions Unique in Mount Qomolangma. Their full report is now published at Advances in atmospheric sciences.

“We have successfully predicted that the best time for the rush to the summit would be around May 4, due to the low relative humidity and weak wind speed (less than 15 m/s) at an altitude of about 8000 m. All observations at the base camp and Kumulangma station made a significant contribution to this. scientific expeditionProfessor Weiqiang Ma, team leader of the Qomolangma station said.

Using advanced tools to detect weather at high altitudes, the team collected data at the summit and where they are base camp Near the National Monitoring and Research Station of Qomolongma’s Special Operations of Atmosphere and Environmental Changes, which is located at 28021’54”N, 86056’53” east at 4276 metres.

These instruments facilitated high-altitude radio soundings, wind radar data, and microwave radiation measurements. The EC system, Atmospheric Boundary Layer Tower, and Automatic Weather Station (AWS) aided in this analysis, providing new insights into the vertical structure of the atmosphere near Mount Qomolangma.

“Based on the preliminary analysis of the observations, we found strong glacial winds around Mount Qomolangma, and we learned more about the vertical momentum exchange between the large-scale west and boundary layer in the Kumulangma region,” said Professor Yaoming Ma, the West and Monsoon Synergy and Influence Team Leader and corresponding author of the report.


Monitoring the atmosphere at high altitudes with drones


more information:
Yaoming Ma et al., Earth Summit 2022 Mission: Science and Research Expedition on Mount Qomolangma Helps Uncover Synergies Between Westerly Winds and Monsoons and the Resulting Climate and Environmental Effects, Advances in atmospheric sciences (2022). DOI: 10.1007/s00376-022-2166-3

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