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Validation of Visually Observed Waves with the Recorded Waves on the Southwest Coast of India

Validation of Visually Observed Waves with the Recorded Waves on the Southwest Coast of India The wave climate, pre-requisite information for planning and design of coastal engineering structures, can be obtained by different methods. Coastal protection works require wave climate in the nearshore region; deployment of wave sensors and visual observation of the waves from the shore are among the methods that can be adopted for collecting the wave data. On the southwest coast of India (Kerala), wave data have been collected by visual observation from the shore, at 18 stations located along the entire coastline since 1973. The pressure type wave sensors were installed in the nearshore region at four stations, almost equally spaced along the coast and data acquired for a period of 4 years. Of the four instrument stations, two were located at the visual observation station itself, the third one was about 7 km from the nearest visual observation station and the fourth station midway between two visual observation stations—the distance between the instrument station and the visual observation stations being about 20 km. Study revealed that the visually observed wave parameters are comparable with the wave parameters acquired by the instrument, particularly with respect to the wave height. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of The Institution of Engineers (India): Series A Springer Journals

Validation of Visually Observed Waves with the Recorded Waves on the Southwest Coast of India

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Publisher
Springer Journals
Copyright
Copyright © 2017 by The Institution of Engineers (India)
Subject
Engineering; Civil Engineering
ISSN
2250-2149
eISSN
2250-2157
DOI
10.1007/s40030-017-0231-1
Publisher site
See Article on Publisher Site

Abstract

The wave climate, pre-requisite information for planning and design of coastal engineering structures, can be obtained by different methods. Coastal protection works require wave climate in the nearshore region; deployment of wave sensors and visual observation of the waves from the shore are among the methods that can be adopted for collecting the wave data. On the southwest coast of India (Kerala), wave data have been collected by visual observation from the shore, at 18 stations located along the entire coastline since 1973. The pressure type wave sensors were installed in the nearshore region at four stations, almost equally spaced along the coast and data acquired for a period of 4 years. Of the four instrument stations, two were located at the visual observation station itself, the third one was about 7 km from the nearest visual observation station and the fourth station midway between two visual observation stations—the distance between the instrument station and the visual observation stations being about 20 km. Study revealed that the visually observed wave parameters are comparable with the wave parameters acquired by the instrument, particularly with respect to the wave height.

Journal

Journal of The Institution of Engineers (India): Series ASpringer Journals

Published: Nov 11, 2017

References