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Proceedings Paper

A case study of sea breeze circulation at Thumba Coast through observations and modelling
Author(s): P. K. Kunhikrishnan; Radhika Ramachandran; Denny P. Alappattu; N. V. P. Kiran Kumar; D. Balasubrahamanyam
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Paper Abstract

A case study of sea breeze circulation at a coastal region Thumba (8.5°N, 76.9°E) was carried out using Doppler Sodar, surface wind, temperature, humidity measurements and radiosonde ascents. The analysis of surface meteorological data showed that the onset of sea breeze on 12th April 2006 was at 0945 hrs. GPS sonde observation over sea at 1425 hrs and Radiosonde observation over land at 1730 showed a well developed sea breeze circulation over Thumba coast by afternoon hours. The vertical extent of sea breeze circulation was ~1000m over sea as well as on land. The Thermal Internal Boundary Layer (TIBL) depth associated with sea breeze circulation was about 400m at 8 km away from coast. The marine mixed layer height was ~500m about 12 km away from the coast. Numerical simulation of sea breeze was made using HRM (High Resolution Model) and compared the results with the observations.

Paper Details

Date Published: 8 December 2006
PDF: 9 pages
Proc. SPIE 6404, Remote Sensing and Modeling of the Atmosphere, Oceans, and Interactions, 640417 (8 December 2006); doi: 10.1117/12.694125
Show Author Affiliations
P. K. Kunhikrishnan, Vikram Sarabhai Space Ctr. (India)
Radhika Ramachandran, Vikram Sarabhai Space Ctr. (India)
Denny P. Alappattu, Vikram Sarabhai Space Ctr. (India)
N. V. P. Kiran Kumar, Vikram Sarabhai Space Ctr. (India)
D. Balasubrahamanyam, Vikram Sarabhai Space Ctr. (India)

Published in SPIE Proceedings Vol. 6404:
Remote Sensing and Modeling of the Atmosphere, Oceans, and Interactions
Tiruvalam N. Krishnamurti; B. N. Goswami; Toshiki Iwasaki, Editor(s)

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