Role of Orographic Elevated Large-scale Heating on Asian Summer Monsoon
Abstract
The present study investigates the energy balance over the Iranian-Tibetan Plateau and its role on the South and East Asian summer monsoon through observational diagnosis and atmospheric general circulation model (AGCM) for the period 1979-2001. The balance relationship of the sensible heat, latent heat, and radiant cooling has an important role on the large-scale heating over the Iranian-Tibetan Plateau. The thermal and dynamical circulations induced by the diabatic heating can affect the establishment and development of the south and East Asian summer monsoon. In the AGCM experiments the Iranian Plateau and Tibetan Plateau are removed, respectively. Results indicate that orography has a significant impact on the circulation and water transport through modulating the large-scale heating. This study gives a better understanding of the role of the Iranian-Tibetan Plateau on the sea-land thermal reverse and Asian summer monsoon.
- Publication:
-
AGU Fall Meeting Abstracts
- Pub Date:
- December 2017
- Bibcode:
- 2017AGUFM.A41E2335L
- Keywords:
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- 3310 Clouds and cloud feedbacks;
- ATMOSPHERIC PROCESSES;
- 3322 Land/atmosphere interactions;
- ATMOSPHERIC PROCESSES;
- 3355 Regional modeling;
- ATMOSPHERIC PROCESSES;
- 1840 Hydrometeorology;
- HYDROLOGY