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Directional wave measurements off Navinal, Gulf of Kachchh, India

DRS at CSIR-National Institute of Oceanography

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Title Directional wave measurements off Navinal, Gulf of Kachchh, India
 
Creator Vethamony, P.
KrishnaKumar, V.
Suryanarayana, A.
Antony, M.K.
Swamy, G.N.
 
Subject wave direction
wave measurements
wave height
wave energy
wave data
wave analysis
 
Description Results of directional wave measurements carried out off Navinal, Gulf of Kachchh representing pre-monsoon and southwest monsoon wave conditions are presented. Maximum wave height encountered during pre-monsoon and southwest monsoon is 1.36 and 1.54 m respectively. Though large wave heights of the order of 3 to 4m exist elsewhere along the west coast of India during these seasons, Navinal seems to be a less wave active zone because of its geographical location. Maximum wave energy is centred around 3 to 5 sec and shows that seas prevail over swells. Occurrence of a few long period waves, of the order of 20-25 sec, has been noticed during pre-monsoons but not during the southwest monsoon. Spectral modification caused to the waves has been traced. An exercise was carried out to see if any relationship exists between these long period waves and various stages of tides, but no pattern could be noticed. As this study is meant for coastal development activities, occurrence of cyclone is also looked into, but not a single cyclone has hit Navinal directly in the last 87 years
 
Date 2009-01-25T06:27:42Z
2009-01-25T06:27:42Z
1995
 
Type Conference Article
 
Identifier Fourth International Conference on Coastal and Port Engineering in Developing Countries. Proceedings of the COPEDEC IV, RJ, Brazil, 25-29 September 1995. Vol. 3, 1698-1710p.
http://drs.nio.org/drs/handle/2264/2400
 
Language en
 
Rights Copyright [1995]. All efforts have been made to respect the copyright to the best of our knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository.
 
Publisher Brazilian Water Resources Association, Brazil