Calculating lunar retreat rates using tidal rhythmites

Kvale, Erik P.; Johnson, Hollis W.; Sonett, C. P.; Archer, Allen W.; Zawistoski, Ann

doi:10.2110/jsr.69.1154

Cited by 88 publications

(74 citation statements)

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“…A trend can modify a data set in such a way that the series may not be repeated correctly beyond the measured set, which explains the need for removal of any trend before applying a Fourier analysis. However, it is important to note that a long record of tidal rhythmite deposition may show a regular deviation from the predicted tidal cycles that may be equated to palaeoclimatic influences (Kvale et al, 1999).…”

Section: Methodsmentioning

confidence: 99%

“…The oceanic tides result from the gravitational fields of the moon and sun and vary with the positions and distances of those bodies with respect to the earth (Kvale et al, 1999). Though many tidal cycles having periods ranging from semidaily to multiyearly have been described (Kvale et al, 1995;Kvale et al, 1999;Mazumder and Arima, 2005), the most common tidal periods identified in the rock record span half-days to months (Kvale et al, 1999).…”

Section: Tidal Cyclesmentioning

confidence: 99%

“…Though many tidal cycles having periods ranging from semidaily to multiyearly have been described (Kvale et al, 1995;Kvale et al, 1999;Mazumder and Arima, 2005), the most common tidal periods identified in the rock record span half-days to months (Kvale et al, 1999). The half-day period, or semidiurnal cycle, can be explained in the context of equilibrium tidal theory.…”

Section: Tidal Cyclesmentioning

confidence: 99%

“…The half-day period, or semidiurnal cycle, can be explained in the context of equilibrium tidal theory. In this model, semidiurnal tides are the result of the rotation of the earth through two tidal bulges formed on opposite sides of the earth produced by the combined gravitational attraction of the moon and sun on the earth (Kvale et al, 1995;Kvale et al, 1999;Mazumder and Arima, 2005).…”

Section: Tidal Cyclesmentioning

confidence: 99%

“…high-spring and low-spring tide). The period of time required to go from one high-spring tide to the next is called the anomalistic month (Archer, 1996;Kvale et al, 1999). Tides can also be influenced by a semiannual tidal cycle.…”

Section: Tidal Cyclesmentioning

confidence: 99%

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Tidal rhythmites of the Marais Vernier Seine estuary, France and their implications for relative sea-level

et al. 2006

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The Marais Vernier, located in the upper reaches of the Seine River Estuary (northern France), preserves a thick Holocene succession of laminated detrital deposits and peats. The spectral analysis of one laminated deposit suggests that tidal processes were largely responsible for supplying sediments to this system. Two periods (16 and 32 laminae per cycle) were identified. These cycles can be related to either both the synodic neap-spring cycle (the so-called "fortnightly cycle") and the anomalistic monthly cycle or both the semiannual and annual tidal cycles. The recognition of tidal influence on these deposits provides insight into the likelihood of some relative sea-level fluctuations previously inferred from these sediments. The depositional rates calculated for the laminated deposits, based on the recognition of these tidal cycles, suggest that the time interval required to deposit the sediments was far shorter than is implied by considering rates based on regional sea-level rise alone.

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Section: Methodsmentioning

confidence: 99%

Section: Tidal Cyclesmentioning

confidence: 99%

Section: Tidal Cyclesmentioning

confidence: 99%

Section: Tidal Cyclesmentioning

confidence: 99%

Section: Tidal Cyclesmentioning

confidence: 99%

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Tidal rhythmites of the Marais Vernier Seine estuary, France and their implications for relative sea-level

et al. 2006

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Tidal river dynamics: Implications for deltas

Hoitink

Jay

2016

Reviews of Geophysics

277

226

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Tidal rivers are a vital and little studied nexus between physical oceanography and hydrology.It is only in the last few decades that substantial research efforts have been focused on the interactions of river discharge with tidal waves and storm surges into regions beyond the limit of salinity intrusion, a realm that can extend inland hundreds of kilometers. One key phenomenon resulting from this interaction is the emergence of large fortnightly tides, which are forced long waves with amplitudes that may increase beyond the point where astronomical tides have become extinct. These can be larger than the linear tide itself at more landward locations, and they greatly influence tidal river water levels and wetland inundation. Exploration of the spectral redistribution and attenuation of tidal energy in rivers has led to new appreciation of a wide range of consequences for fluvial and coastal sedimentology, delta evolution, wetland conservation, and salinity intrusion under the influence of sea level rise and delta subsidence. Modern research aims at unifying traditional harmonic tidal analysis, nonparametric regression techniques, and the existing understanding of tidal hydrodynamics to better predict and model tidal river dynamics both in single-thread channels and in branching channel networks. In this context, this review summarizes results from field observations and modeling studies set in tidal river environments as diverse as the Amazon in Brazil, the Columbia, Fraser and Saint Lawrence in North America, the Yangtze and Pearl in China, and the Berau and Mahakam in Indonesia. A description of state-of-the-art methods for a comprehensive analysis of water levels, wave propagation, discharges, and inundation extent in tidal rivers is provided. Implications for lowland river deltas are also discussed in terms of sedimentary deposits, channel bifurcation, avulsion, and salinity intrusion, addressing contemporary research challenges.

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