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Proceedings Paper

Comparison of sea-level measurements using microwave radar and subsurface pressure gauge deployed in Mandovi estuary in Goa, central west coast of India
Author(s): Prakash Mehra; Yogesh Agarvadekar; Ryan Luis; Lalsab Nadaf
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Paper Abstract

Data from the radar and an absolute pressure gauge collected from Verem, Goa over a period of one year- January, 2009 to May, 2010 is used to carry out the comparative studies. The root mean square difference between the estimated sea level using radar and pressure gauge with atmospheric pressure correction is ~ 2.6 cm. The harmonic analysis over the two time series produces similar residuals and tidal constituents. The results from the study indicate the importance of concurrent measurement of atmospheric pressure along with sub-bottom absolute pressure gauge. The radar gauge has advantages over other type of gauges with regard to easy installation, maintenance and also sea level measurements are absolute and could be given precedence in future applications.

Paper Details

Date Published: 11 June 2012
PDF: 7 pages
Proc. SPIE 8372, Ocean Sensing and Monitoring IV, 837216 (11 June 2012); doi: 10.1117/12.918237
Show Author Affiliations
Prakash Mehra, National Institute of Oceanography (India)
Yogesh Agarvadekar, National Institute of Oceanography (India)
Ryan Luis, National Institute of Oceanography (India)
Lalsab Nadaf, National Institute of Oceanography (India)

Published in SPIE Proceedings Vol. 8372:
Ocean Sensing and Monitoring IV
Weilin Will Hou; Robert Arnone, Editor(s)

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