#IMC: September 14 - 18 2025

The land surface-atmospheric interaction over the complex mountain terrain in the southeastern area of the Tibetan Plateau

Assigned Session: FS 3.143: Atmospheric Processes and Composition in Complex Environments

Abstract ID: 3.9492 | Accepted as Talk | Talk/Oral | TBA | TBA

Huizhi Liu (0)
Huizhi Liu ((0) Yunnan University, South Section, East Outer Ring Road, Chenggong District,, 650500, Kunming,, Yunnan province, CN)

(0) Yunnan University, South Section, East Outer Ring Road, Chenggong District,, 650500, Kunming,, Yunnan province, CN

Categories: Atmosphere
Keywords: the water flux, the parameterization scheme, the mountain terrain, southeastern of TP, the land-atmospheric interaction

Categories: Atmosphere
Keywords: the water flux, the parameterization scheme, the mountain terrain, southeastern of TP, the land-atmospheric interaction

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The Hengduan mountain situated in the southeast area of the Tibetan Plateau is in the conjunction area of the south Asia monsoon and southeast Asia monsoon, and it is also the heating sensitive area of the atmospheric heating source. It is of great importance for the understanding of the key processes of the atmospheric water resource in the Tibetan Plateau to investigate the effects and its parameterization schemes of the interaction between the land surface and the atmosphere on the water and energy exchange processes in this region. Based on the continuous eddy covariance measurements from the Erhai lake, Lijiang alpine grassland and Tengchong Beihai wetland land surface process observation sites, the characteristics of the interaction between the wetland/ lake/ grassland surfaces and the atmosphere will be analyzed. Combined with remote sensing datasets, the effect of the interaction between the land and the atmosphere on regional water and energy budgets and its theoretical model will be investigated in this region. The applicability of planetary boundary layer parameterizations schemes over this region in the mesoscale models will be validated. New parameterization schemes for the water and heat process in the planetary boundary layer over complex regions in mesoscale models will be developed. We try to find the mechanism of the effects of the exchange processes between the land surface and the atmosphere on energy and water cycles at regional scales (10-30 km) over complex terrain in the southeast part of the Tibetan Plateau.

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