HR: 0800h
AN: A21E-0788 [Abstracts]
TI: Observation of quasi-biannual oscillation (QBO) in ozone concentration and its implication in the tropopause temperature over Banchio (24.44 N 121.45 E), Taiwan
AU: * Das, S K
EM: skd_ncu@yahoo.com
AF: National Central University, No.300, Jhongda Rd., Jhongli City, Taoyuan County 32001,
Taiwan, Jhongli, 32001, Taiwan
AU: Chiang, C
EM: cwchiang@alumni.ncu.edu.tw
AF: National Central University, No.300, Jhongda Rd., Jhongli City, Taoyuan County 32001,
Taiwan, Jhongli, 32001, Taiwan
AU: Chiang, C
EM: cwchiang@alumni.ncu.edu.tw
AF: Research Center for Environmental Changes, 128 Sec.2, Nankang Road, Academia
Sinica, Taipei 115, Taiwan, Taipei, 115, Taiwan
AU: Das, S S
EM: dassiddhu@rediffmail.com
AF: Centre for Wind Energy Technology, Centre for Wind Energy Technology, Chennai,
Chennai, 601302, India
AU: Kishore, K K
EM: dilkash_kish@rediffmail.com
AF: Space Physical Laboratory, Space Physical Laboratory, ISRO-VSSC, Trivantapuram,
Trivantapuram, 695002, India
AU: Nee, J
EM: jbnee@cc.ncu.edu.tw
AF: National Central University, No.300, Jhongda Rd., Jhongli City, Taoyuan County 32001,
Taiwan, Jhongli, 32001, Taiwan
AB:
Abstract:
We have studied the characteristics of tropopause for 21 years (1985-2005) and ozone concentration for 14 years
(1992-2005) over Banchio (24.44 N, 121.45 E), Taiwan by using radio and ozone sonde measurements,
respectively. The observation reveals that the annual oscillation is dominating in cold point tropopause (CPT)
height, whereas quasi-biannual oscillation (QBO) is dominating on CPT temperature. Further analysis shows
there is no direct correlation between tropopause height and temperature in terms of oscillation. In the present
study, we have tried to explain the causative mechanism for the presence of different oscillating nature in
tropopause height and temperature by using ozone concentration and out going long wave radiation (OLR) in light
of present understanding. The OLR data has been taken from NCEP/NCAR Reanalysis monthly means. The
details will be discussed and presented in the conference.
DE: 0350 Pressure, density, and temperature
DE: 3270 Time series analysis (1872, 4277, 4475)
DE: 3314 Convective processes
DE: 3360 Remote sensing
SC: Atmospheric Sciences [A]
MN: 2007 Fall Meeting