Vertical structure of sea-breeze circulation over Thumba (8.5A°N, 76.9A°E, India) in the winter months and a case study during W-ICARB field experiment

被引：10

作者：

Anurose, T. J. ^{[1
]}

Subrahamanyam, D. Bala ^{[1
]}

Dutt, C. B. S. ^{[2
]}

Kumar, N. V. P. Kiran ^{[1
]}

John, Sherine Rachel ^{[1
]}

Nair, Sandhya K. ^{[1
]}

Santosh, M. ^{[1
]}

Mohan, Mannil ^{[1
]}

Kunhikrishnan, P. K. ^{[1
]}

Sijikumar, S. ^{[1
]}

Prijith, S. S. ^{[1
]}

机构：

[1] Indian Space Res Org, Space Phys Lab, Vikram Sarabhai Space Ctr, Dept Space,Govt India, Thiruvananthapuram 695022, Kerala, India

[2] Indian Space Res Org, Natl Remote Sensing Ctr, Dept Space, Govt India, Hyderabad 560625, Andhra Pradesh, India

来源：

METEOROLOGY AND ATMOSPHERIC PHYSICS | 2012年 / 115卷 / 3-4期

关键词：

INTERNAL BOUNDARY-LAYER;

D O I：

10.1007/s00703-011-0178-0

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

This research article aims at characterization of the sea-breeze circulation over Thumba (8.5A degrees N, 76.9A degrees E, India) in the winter season from December 2008 to February 2009, when this mesoscale circulation over the study domain was prominent. The characteristics of sea-breeze circulation cell comprising sea-breeze and compensatory return flow are investigated for clear-sky and cloudy days. The study indicated delayed onset of sea-breeze on the cloudy days as compared to the clear-sky days and the vertical thickness of sea-breeze circulation cell was found to be larger for the clear-sky days. Vertical thickness of the return flow for both clear-sky and cloudy days was larger than that of the sea-breeze flow. Simultaneous observations of upper-air meteorological parameters obtained through balloon-borne GPS sonde ascents carried out from Thumba and its adjoining coastal ocean on 29 January 2009 as part of the Winter phase of Integrated Campaign for Aerosols, gases and Radiation Budget (W-ICARB) are utilized for a case study towards investigation of diurnal evolution of the sea-breeze circulation cell. Results obtained from this study indicated systematic evolution of sea-breeze circulation over Thumba, however, it was not very clear over ocean which is attributed to cloudy conditions that prevailed on the day of measurement.

引用

页码：113 / 121

页数：9

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