Abstracts for the 6th International GAME Conf.
3-5 December 2004
Kyoto Japan
Temperature Inversions over the pre-monsoon Indochina Peninsula and their role in the seasonal transition
Shin-Ya Ogino (1), Yoshihiro Tachibana (2), Eisho Azuma (3), Yuko Kamiakito (3)
(1) Graduate School of Science and Technology, Kobe University
(2) Liberal Arts Education Center, Tokai University
(3) Graduate School of Science, Tokai University
The Indochina peninsula is the peculiar region where the rainy season
starts earliest among the other Asian monsoon regions. To clarify the
reason for this peculiarity is one of the most important issues among
the Asian monsoon studies. Several processes which control the
beginning of the rainy season over the Indochina peninsula are
considered: large scale subsidence, temperature inversion, transported
humid air from the ocean, sensible heat flux, synoptic scale
disturbances propagating from mid-latitude, and so on. Among these
processes, the role of temperature inversion is of our interest.
Characteristics of several days variations in intensity and height of
strong stable layers which frequently appear over the Indochina
Peninsula in the dry season were described and physical mechanism of
the variations were examined by thermal and moisture budget analysis.
We found that the vertical advection of temperature is one of the
important processes which cause the several days variations of strong
stable layers heights. However the actual descending speed of the
strong stable layer is not consistent with that expected from the
downward advection process. This inconsistency will be discussed in
the presentation.
Submittal Information
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Graduate School of Science and Technology, Kobe University | |
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Nada-ku, Kobe 657-8501, Japan | |
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ogino@ahs.scitec.kobe-u.ac.jp | |