2005 Everest Region Comprehensive Examiner, Scientific Content and Objectives
First, time
March 20 - June 20, 2005
Second, place
Everest and adjacent areas
Third, personnel
Zheng Du, Yao Tandong, Kang Shichang, Ma Yaoming, Xu Baiqing, Liu Xin, Liu Qiang, Li Maoshan, Sun Fanglin, Zhong Lei, Cong Zhiyuan, Ren Jiawen, Liu Jingshi, Qin Xiang, Yang Xinguo, Zhang Yili, Wang Zhaofeng, Gao Hui, Huang Rongfu, Ding Lin, Lu Shikuo, Du Aimin, Wang Guangjie
Fourth, the scientific content
1.Atmospheric physics and atmospheric chemistry observations in the Mount Everest region: Atmospheric and surface atmosphere and free troposphere exchange processes in the surface and near-surface layers of the Everest region; Surface parameters and surface energy fluxes in the Everest region; High altitude atmospheric greenhouse in the Mount Everest Gas monitoring; Snow ice and atmospheric aerosol chemical characteristics.
2. The monitoring of glacial changes in the Everest region includes: glacial changes, positioning observations, and glacial hydrological observations.
3. Biodiversity and Ecological Change Research: Research on Changes in Biodiversity; Response of Ecosystems to Environmental Changes; Research on Variations of Typical Biological and Soil Environmental Background Values ​​in Recent 30 Years.
4. Geological and Geophysical Observations: Research on the High Altitude Change Process of the Mount Qomolangma; Research on Geomagnetic Observation: Research on Gravity Measurement.
V. Expected goals
In the 2005 Mountain Science Expedition, the public science report was published to let the public understand the important position of the Everest region and the Qinghai-Tibet Plateau in the world, especially the response of Everest to global changes over the past 30 years, and enhance public scientific research In particular, the degree of understanding and understanding of environmental changes and environmental protection. Through scientific observations on atmospheric physics and atmospheric chemical composition, glacial changes, biodiversity and changes in the ecological environment, and geology and geophysics, (1) understanding of the atmosphere and surface processes and greenhouse gases in the region And the basic characteristics of atmospheric aerosols and their important role in global climate change; (2) Assessing the impact of global warming on glacial changes and the future trends of glacial resources; (3) Studying the ecological environment in the region for 30 years under conditions of global change. The pattern and process of environmental changes will focus on elucidating the characteristics of biodiversity changes; Establishing the causes of changes in the ecological environment in the Everest region and its relationship with climate change; Explaining the response of the ecological environment to climate change; (4) Establishing the process of height change of Mount Everest , Drawing the geomagnetic map of the Everest area, understanding the characteristics of the geomagnetic field anomaly in the Everest area and its historical evolution process; Drawing the gravity measurement map of the Mount Everest area, discussing the characteristics of the gravity field change and the geodynamic response of the Everest area, understanding the change of the gravity field and the plateau Rising relationship. Submit scientific data, research reports, and papers after field trips and laboratory sample analysis; cultivate talents and research teams for alpine scientific research, such as postdoctoral and graduate students.
Sixth, innovation
(1) Atmospheric boundary layer structure and atmosphere are carried out in Everest area with advanced automatic weather stations, 40-meter meteorological towers (including upland observations), wind temperature profilers, radiosondes, and atmospheric and solar radiation observation instruments. A comprehensive observational study of regional circulation, atmospheric and solar radiation energy, and surface heat flux for a long period of time will fill the gaps in research at high altitudes both at home and abroad.
(2) The study of black carbon and POPs of atmospheric greenhouse gases, aerosols and snow and ice in the Everest region for the first time fills the gaps in this type of research at high altitudes both at home and abroad.
(3) For the first time, a systematic observational study of glacial changes and glacial hydrology in the Everest region was conducted.
(4) Under the background of global changes, the changes and characteristics of biodiversity and environmental background values ​​at different altitudes in the region of Everest were studied from a comparative system to analyze the adaptability of ecosystems and changes in the ecological environment: to explore its relationship with climate change . The study features distinctive features and highlights.
(5) From the design, sampling, and analysis to the vertical differentiation, highlight the vertical features of the region: carry out a comprehensive sample-section-area comparative survey and analysis; the study will for the first time come to the typical ecology of the Everest region. The adaptive characteristics of the system to the environmental gradient; accurately gives the upper limit of vegetation and related ecological environment characteristics.
(6) Determination of the history of height change.
(7) Study the change of geomagnetic anomaly field in Everest area, reveal the changes of geological structure in recent decades, and the impact on the environment; measure the highest geomagnetic observation data to fill the international gap.
(8) Studying the change law of the gravity field in the Mount Everest area, revealing the internal geodynamic internal causes of vertical movement of the crust in the Qomolangma area; measuring the highest gravity field data to fill the international gap.
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