{"title":"A comparison of tidal harmonic constants computed at and near an inlet","authors":"Ned P. Smith","doi":"10.1016/S0302-3524(80)80118-6","DOIUrl":null,"url":null,"abstract":"<div><p>Time series of bottom pressure and surface water level are used to compute harmonic constants and thus compare tidal conditions at and near an inlet along Florida's Atlantic coast. Supportive hydrographic and surface atmospheric pressure data are incorporated to estimate the probable maximum errors in comparing pressure fluctuations with water level variations. The M<sub>2</sub> tidal amplitude decreases from 0.45 decibar (0.45 m±0.02 m) over the inner shelf to 0.28 m in the nearby inlet. There is an 11° phase lag of the M<sub>2</sub> tide in the inlet. The K<sub>1</sub> and O<sub>1</sub> constituent amplitudes show essentially no decrease from the shelf to the inlet, though the tidal wave form is delayed by 9° and 18° respectively. Locally damped amplitudes and phase lags are attributed to estuarine-shelf exchanges through the inlet. Local perturbations in the tidal harmonic constants may have a significant effect on the construction of co-tidal and co-range charts for the adjacent ocean basin.</p></div>","PeriodicalId":100492,"journal":{"name":"Estuarine and Coastal Marine Science","volume":"10 4","pages":"Pages 383-391"},"PeriodicalIF":0.0000,"publicationDate":"1980-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0302-3524(80)80118-6","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Estuarine and Coastal Marine Science","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0302352480801186","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
Time series of bottom pressure and surface water level are used to compute harmonic constants and thus compare tidal conditions at and near an inlet along Florida's Atlantic coast. Supportive hydrographic and surface atmospheric pressure data are incorporated to estimate the probable maximum errors in comparing pressure fluctuations with water level variations. The M2 tidal amplitude decreases from 0.45 decibar (0.45 m±0.02 m) over the inner shelf to 0.28 m in the nearby inlet. There is an 11° phase lag of the M2 tide in the inlet. The K1 and O1 constituent amplitudes show essentially no decrease from the shelf to the inlet, though the tidal wave form is delayed by 9° and 18° respectively. Locally damped amplitudes and phase lags are attributed to estuarine-shelf exchanges through the inlet. Local perturbations in the tidal harmonic constants may have a significant effect on the construction of co-tidal and co-range charts for the adjacent ocean basin.
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