Sea Levels, Land Levels, and Tide Gauges

Emery, K. O.; Aubrey, David G.

doi:10.1007/978-1-4613-9101-2

Cited by 235 publications

(149 citation statements)

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“…The highest water level on record is 2.02 m above MSL (5 February 1998) whereas the lowest is −1.56 m above MSL (16 March 1980) (Wachapreague NOAA station, from 28 June 1978 to present). The current rate of relative sea level rise in the region is 3.8-4.0 mm yr −1 [Nerem et al, 1998;Oertel et al, 1989;Emory and Aubrey, 1991], and is among the highest rates recorded along the Atlantic Coast.…”

Section: Site Descriptionmentioning

confidence: 94%

Influence of storm surges and sea level on shallow tidal basin erosive processes

et al. 2010

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[1] The finite-element model WWTM is applied to a system of lagoons at the Virginia Coast Reserve, USA. The model solves the shallow water equations to compute tidal fluxes, and is equipped with a wave propagation module to calculate wave height during local wind events. The model is validated using measured water elevations, wave heights, and periods at five locations within the lagoon system. Scenarios with different wind conditions, storm surges, and relative sea level are simulated. Results are analyzed in terms of bottom shear stresses on the tidal flats, a measure of sediment resuspension potential, and total wave energy impacting the marsh boundaries, which is the chief process driving lateral marsh erosion. Results indicate that wave energy at the marsh boundaries is more sensitive to wind direction than are bottom shear stresses. Wave energy on marsh boundaries and bottom shear stresses on the tidal flats increase with sea level elevation, with the former increasing almost ten times more than the latter. Both positive and negative feedbacks between wave energy at the boundaries and bottom shear stresses are predicted, depending on the fate of the sediments eroded from the salt marsh boundaries.

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Section: Site Descriptionmentioning

confidence: 94%

Influence of storm surges and sea level on shallow tidal basin erosive processes

et al. 2010

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“…Lisitzin, 1974;Emery and Aubrey, 1991;Douglas et al, 2001). For sets of globally distributed stations, the long-term trends have recently been determined and discussed by, for example, Douglas (1991;, who favours time series of at least 70 a to eliminate interannual and decadal variations.…”

Section: Tide-gauge Evidence Of Present-day Land Upliftmentioning

confidence: 99%

A Reanalysis and Reinterpretation of Geodetic and Geological Evidence of Glacial-Isostatic Adjustment in the Churchill Region, Hudson Bay

et al. 2006

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Abstract. We review the historical, geological, tide-gauge, GPS and gravimetric evidence advanced in favour of, or against, continuing land uplift around Hudson Bay, Canada. We also reanalyse the tide-gauge and GPS data for Churchill using longer time series than those available to previous investigators. The dependence of the mean rate of relative sea-level change obtained from the tide-gauge record on the length and mid-epoch of the observation interval considered is investigated by means of a newly developed linear-trend analysis diagram. For studying the shorter-period variability of the tide-gauge record, the wavelet transform is used. The mean rate of land uplift obtained from GPS is based on a new analysis using IGS solutions of

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“…The sensitivity of arctic coasts to Global Change is postulated by some researchers (Jorgenson and Ely, 1998;Sedinger, 1998). While globally averaged tide gauge records of eustatic sea level indicate that a rate of rise of about 1 mm year À 1 has prevailed since 4000 BC (Emery and Aubrey, 1991, p. 165;Douglas, 1991;Pirazzoli, 1991;Gornitz, 1993), long-term tide gauge data are lacking for western Alaska (Emery and Aubrey, 1991). Baseline data from the southern Chukchi Sea (Fig.…”

Section: Introductionmentioning

confidence: 99%

Minimal late Holocene sea level rise in the Chukchi Sea: arctic insensitivity to global change?

Mason

Jordan

2001

Global and Planetary Change

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Long-term estimates of sea level rise are essential for planning responses to anthropogenic global change. The tectonically stable, unglaciated eastern Chukchi Sea coast has numerous depositional environments for extracting long-term records in the absence of tide gauge data. Radiocarbon ages (n = 27) on paleo-marsh beds along several Seward Peninsula lagoons allows the reconstruction of sea level over the last 6000 years in northwest Alaska and indicate a modest sea level rise, $ 1.5 m, or 0.27 mm year . Neoglacial (1600 -200 cal BC) storm deposits from Kotzebue Sound to Barrow are 1 -1.5 m below modern storm surge elevations, supporting the inference of a lower eustatic sea level. Our data-constrained sea level curve establishes that the Chukchi Sea responds at a considerably slower rate than other regions of the world, supporting recent models of isostatic response for the arctic. D

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Sea Levels, Land Levels, and Tide Gauges

Cited by 235 publications

References 0 publications

Influence of storm surges and sea level on shallow tidal basin erosive processes

Influence of storm surges and sea level on shallow tidal basin erosive processes

A Reanalysis and Reinterpretation of Geodetic and Geological Evidence of Glacial-Isostatic Adjustment in the Churchill Region, Hudson Bay

Minimal late Holocene sea level rise in the Chukchi Sea: arctic insensitivity to global change?

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