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dc.contributor.authorJoseph, A.
dc.contributor.authorMehra, P.
dc.contributor.authorDesai, R.G.P.
dc.contributor.authorDotse, J.
dc.contributor.authorOdametey, J.T.
dc.contributor.authorNkebi, E.K.
dc.contributor.authorVijaykumar, K.
dc.contributor.authorPrabhudesai, S.P.
dc.date.accessioned2008-05-12T10:14:34Z
dc.date.accessioned2017-09-30T03:07:59Z
dc.date.available2008-05-12T10:14:34Z
dc.date.available2017-09-30T03:07:59Z
dc.date.issued2006
dc.identifier.citationOceans`06 IEEE Asia Pacific, Singapore; 16-19 May 2006.; 2006; 5pp
dc.identifier.urihttp://drs.nio.org/drs/handle/2264/7580
dc.description.abstractSeasonal observations of a set of bottom pressures and concurrent tide-staff measurements from Takoradi harbour located in the Gulf of Guinea indicated that the effective depth-mean density value, rho sub(eff) of this clear water body is less than (approx equal to 0.25% &9472; 1.84%) its bulk density, rho sub(b) obtained from precision density measurements made on discrete water samples Thus, use of rho sub(b) to estimate sea level elevation yields an underestimation of this order in sea level measurements Although, this effect was observed in association with wind and rainfall, the comparative reduction of rho sub(eff) value was more prominent during the period when rainfall was strong Presence of microbubbles introduced into the upper layers of the sea water, as a result of turbulence induced by wind forcing and impact of rain drops, is suspected to be responsible for the observed effective reduction in the in situ density of this shallow water body The accuracy of bottom-pressure based sea level measurements can be improved by introducing rho sub(eff) value into sea level estimation It is shown that rho sub(eff) value can be estimated by using a statistically derived simple linear model, which is constructed from a set of bottom pressures and concurrent tide-staff measurements.
dc.languageen
dc.publisherSingapore: IEEE Singapore Section Secretariat
dc.relation.isbasedonOceans`06 Asia Pacific IEEE - Singapore Conf, Singapore; 16-19 May 2006
dc.relation.isreferencedbyNON-SCI
dc.subjectOceanography and Limnology
dc.subject.otherOceanographic Equipment
dc.subject.otherSea Level Measurement
dc.subject.otherBottom Pressure
dc.subject.otherAccuracy
dc.subject.otherTide Gauges
dc.subject.otherASE, Guinea Gulf
dc.titleRole of Effective Density in improving the accuracy of bottom pressure based sea level measurements - A case study from Gulf of Guinea
dc.typeConference Article
dc.affiliation.authorCSIR-National Institute of Oceanography, Dona Paula, Goa, India


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