Observations of tidal currents in the northern Gulf of Eilat/Aqaba (Red Sea)

Daniel F. Carlson; Erick Fredj; Hezi Gildor; Eliyahu Biton; Jonah V. Steinbuck; Stephen G. Monismith; Amatzia Genin

doi:10.1016/j.jmarsys.2012.04.008

Observations of tidal currents in the northern Gulf of Eilat/Aqaba (Red Sea)

Daniel F. Carlson, Erick Fredj, Hezi Gildor^*, Eliyahu Biton, Jonah V. Steinbuck, Stephen G. Monismith, Amatzia Genin

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

The spatial and temporal variabilities of alongshore semi-diurnal tidal currents in the northern Gulf of Eilat/Aqaba are examined using long-term (10. month) observations of velocity measured by acoustic Doppler current profilers (ADCPs) deployed in deep, offshore waters and in the shallow coastal zone over the period October 2008 to July 2009. Semi-diurnal tidal currents were observed throughout the entire study in both the deep and shallow velocity records. This finding differs from previous studies that observed the disappearance of semi-diurnal tidal currents from January to May, suggesting that such a disappearance is not a predictable, recurring feature of tidal currents in the Gulf. The velocity records combined with monthly hydrographic data show that the persistence of the semi-diurnal tidal currents throughout the winter and spring likely resulted from shallow upper layer depths in 2009. The dependence of the magnitude of the semi-diurnal tidal currents on the seasonally varying stratification is examined.

Original language	English
Pages (from-to)	14-28
Number of pages	15
Journal	Journal of Marine Systems
Volume	102-104
DOIs	https://doi.org/10.1016/j.jmarsys.2012.04.008
State	Published - Oct 2012

Bibliographical note

Funding Information:
This research was supported by the ISF . The moored measurements were conducted as part of NATO project SfP982220. We thank the Israel National Monitoring Program for CTD data and the management and staff of the Inter-university Institute (IUI) for Marine Sciences in Eilat for their cooperation and assistance.

Keywords

Marginal seas
Spectral analysis
Stratification
Tidal currents

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10.1016/j.jmarsys.2012.04.008

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title = "Observations of tidal currents in the northern Gulf of Eilat/Aqaba (Red Sea)",

abstract = "The spatial and temporal variabilities of alongshore semi-diurnal tidal currents in the northern Gulf of Eilat/Aqaba are examined using long-term (10. month) observations of velocity measured by acoustic Doppler current profilers (ADCPs) deployed in deep, offshore waters and in the shallow coastal zone over the period October 2008 to July 2009. Semi-diurnal tidal currents were observed throughout the entire study in both the deep and shallow velocity records. This finding differs from previous studies that observed the disappearance of semi-diurnal tidal currents from January to May, suggesting that such a disappearance is not a predictable, recurring feature of tidal currents in the Gulf. The velocity records combined with monthly hydrographic data show that the persistence of the semi-diurnal tidal currents throughout the winter and spring likely resulted from shallow upper layer depths in 2009. The dependence of the magnitude of the semi-diurnal tidal currents on the seasonally varying stratification is examined.",

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author = "Carlson, {Daniel F.} and Erick Fredj and Hezi Gildor and Eliyahu Biton and Steinbuck, {Jonah V.} and Monismith, {Stephen G.} and Amatzia Genin",

note = "Funding Information: This research was supported by the ISF . The moored measurements were conducted as part of NATO project SfP982220. We thank the Israel National Monitoring Program for CTD data and the management and staff of the Inter-university Institute (IUI) for Marine Sciences in Eilat for their cooperation and assistance.",

year = "2012",

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doi = "10.1016/j.jmarsys.2012.04.008",

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AU - Gildor, Hezi

AU - Biton, Eliyahu

AU - Steinbuck, Jonah V.

AU - Monismith, Stephen G.

AU - Genin, Amatzia

N1 - Funding Information: This research was supported by the ISF . The moored measurements were conducted as part of NATO project SfP982220. We thank the Israel National Monitoring Program for CTD data and the management and staff of the Inter-university Institute (IUI) for Marine Sciences in Eilat for their cooperation and assistance.

PY - 2012/10

Y1 - 2012/10

N2 - The spatial and temporal variabilities of alongshore semi-diurnal tidal currents in the northern Gulf of Eilat/Aqaba are examined using long-term (10. month) observations of velocity measured by acoustic Doppler current profilers (ADCPs) deployed in deep, offshore waters and in the shallow coastal zone over the period October 2008 to July 2009. Semi-diurnal tidal currents were observed throughout the entire study in both the deep and shallow velocity records. This finding differs from previous studies that observed the disappearance of semi-diurnal tidal currents from January to May, suggesting that such a disappearance is not a predictable, recurring feature of tidal currents in the Gulf. The velocity records combined with monthly hydrographic data show that the persistence of the semi-diurnal tidal currents throughout the winter and spring likely resulted from shallow upper layer depths in 2009. The dependence of the magnitude of the semi-diurnal tidal currents on the seasonally varying stratification is examined.

AB - The spatial and temporal variabilities of alongshore semi-diurnal tidal currents in the northern Gulf of Eilat/Aqaba are examined using long-term (10. month) observations of velocity measured by acoustic Doppler current profilers (ADCPs) deployed in deep, offshore waters and in the shallow coastal zone over the period October 2008 to July 2009. Semi-diurnal tidal currents were observed throughout the entire study in both the deep and shallow velocity records. This finding differs from previous studies that observed the disappearance of semi-diurnal tidal currents from January to May, suggesting that such a disappearance is not a predictable, recurring feature of tidal currents in the Gulf. The velocity records combined with monthly hydrographic data show that the persistence of the semi-diurnal tidal currents throughout the winter and spring likely resulted from shallow upper layer depths in 2009. The dependence of the magnitude of the semi-diurnal tidal currents on the seasonally varying stratification is examined.

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KW - Spectral analysis

KW - Stratification

KW - Tidal currents

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Observations of tidal currents in the northern Gulf of Eilat/Aqaba (Red Sea)

Abstract

Bibliographical note

Keywords

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