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Sea level changes induced by local winds on the west coast of India

DRS at CSIR-National Institute of Oceanography

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Title Sea level changes induced by local winds on the west coast of India
 
Creator Mehra, P.
Tsimplis, M.N.
Desai, R.G.P.
Joseph, A.
Shaw, A.G.P.
Somayajulu, Y.K.
Cipollini, P.
 
Subject sea level changes
local winds
atmospheric pressure
meteorological data
 
Description The contribution of atmospheric pressure and local wind to sea level variability at Goa (West coast of India) for the period 2007–2008 is investigated. Sea level data from a tide gauge are compared with measured local surface meteorological as well as oceanographic data. Multilinear regression analysis is used to resolve the dependence of sea level on various forcing parameters. The multilinear regression analysis performed over approx. 2-year data shows that the local surface meteorological data and water temperature account for the sea level variability only up to 6%. The accounted sea level variability increases to 25%, when the local wind and the surface currents obtained from satellite altimetry in the near vicinity of the study area are incorporated in the regression analysis. The contribution of local wind increases substantially when the regression is performed over a 2-month duration, and it is variable within the year. During the summer monsoon season (May-September), the sea level variability attributable to wind is up to 47% and 75%, respectively, for 2007 and 2008; however, it reduces to
 
Date 2010-09-01T07:27:53Z
2010-09-01T07:27:53Z
2010
 
Type Journal Article
 
Identifier Ocean Dynamics, vol.60(4); 819-833
http://drs.nio.org/drs/handle/2264/3700
 
Language en
 
Rights An edited version of this paper was published by Springer. This paper is for R & D purpose and Copyright [2010] Springer.
 
Publisher Springer