The pioneering works of Professor Duzheng Ye on atmospheric dispersion, Tibetan Plateau meteorology, and air–sea interaction

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Abstract

This paper provides an overview of the impacts of the original works of Professor Duzheng YE on a selected set of observational and model studies with which the present author has been associated over the past several decades. The main themes of these works include atmospheric energy dispersion, air–land interactions over the Tibetan Plateau, and El Ni˜norelated air–sea coupling over East Asia. The dispersive behavior of observed atmospheric fluctuations accompanying cold surge events in East Asia is demonstrated. Cold air outbreaks over Korea and southern China are coincident with the successive downstream development of troughs and ridges, with the group velocity of such wave packets being notably faster than the phase propagation speed of individual troughs and ridges. In a more general context, dispersive features are also discernible from lagged teleconnection charts and cross-spectra of observed and model-simulated geopotential height variations on 10–30-day time scales. Using the output from a high-resolution general circulation model, the relative contributions of condensational, sensible, and radiative heating to the atmospheric energy budget over the Tibetan Plateau are documented. The rapid changes of the upper tropospheric Tibetan anticyclone and East Asian mei-yu (“plum rain”) precipitation band associated with the development of the Asian monsoon system are described. The principal anomalies in sea level pressure, surface wind, precipitation and sea surface temperature over southeastern China and the Philippine Sea region during El Ni˜no events are presented. The contributions of remote El Ni˜no-related forcing and local air–sea interaction to the occurrence of these anomalies are assessed.

Original languageEnglish (US)
Pages (from-to)1137-1149
Number of pages13
JournalAdvances in Atmospheric Sciences
Volume34
Issue number10
DOIs
StatePublished - Oct 1 2017
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atmospheric Science

Keywords

  • El Ni˜no
  • Tibetan Plateau meteorology
  • atmospheric dispersion

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