The Analysis of Annual Extreme Sea Levels at Certain Ports in Southern England.

Blackman, D.L.; Graff, Jerzy

doi:10.1680/iicep.1978.2950

Cited by 14 publications

(7 citation statements)

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“…The flood is in two pulses separated by a one-hour sea-level still-stand : the young flood stand. Mean tidal ranges are 4 m for springs and 2 m for neaps, but maximum astronomical springs can reach 5 m, and minimum neaps 1-2 m. During exceptional storms maximum sea levels can be as much as 1 m above mean spring high water (Blackman & Graff, 1976).…”

Section: Vertical Water Column Structurementioning

confidence: 99%

Distribution, morphology, and origin of sedimentary furrows in cohesive sediments, Southampton Water

Flood

1981

Sedimentology

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Patches of sedimentary furrows are developed at several locations in the cohesive estuarine sediments of Southampton Water (water depth 1–12 m). These furrows apparently result from short periods of erosion followed by long periods of deposition. Although all the furrows are similar, regularly spaced, parallel troughs, 0.5–15 m wide aligned with the dominant current, furrows in different patches have different characteristics. In some areas furrow width is 1/5–1/15 of furrow spacing (termed ‘narrow’), whereas in other areas furrow width is about 1/2 of the spacing (termed ‘wide’). Narrow furrows have developed where sediment accumulation rates are greater than 3–6 cm yr−1; wide furrows where accumulation rates are lower. Cockle shells, and other coarse sediments, concentrated on the furrow floors and on floors of smaller (2–10 cm wide) minifurrows, play an important role in furrow formation and evolution as they act to widen the furrows when mobilized during current episodes. Uniform sedimentation across the profile during slack periods tends to narrow the furrow. Some of the larger furrows have remained in the same position for 12 years, while mini‐furrows have duration scales of a few months or less. Well‐developed furrows are also found in a recently dredged channel. Bedforms similar to those described here may be preserved in the sedimentary record. While no analogues to the larger furrows are presently known, minifurrows may be morphologically similar to the ‘gutter casts’ described from ancient rocks.

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Section: Vertical Water Column Structurementioning

confidence: 99%

Distribution, morphology, and origin of sedimentary furrows in cohesive sediments, Southampton Water

Flood

1981

Sedimentology

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“…The data have been used to develop new methods of tidal analysis (Munk and Cartwright 1966). In addition, they have been employed in the development of extreme sea level computation methods for coastal engineering (e.g., Blackman and Graff 1978;Pugh and Vassie 1980;Dixon and Tawn 1992), these methods becoming of greater importance as sea level rises.…”

Section: Other Variability In the Newlyn Sea Level Recordmentioning

confidence: 99%

A Century of Sea Level Measurements at Newlyn, Southwest England

et al. 2015

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The Newlyn Tidal Observatory is the most important sea level station in the United Kingdom. It commenced operations in 1915 as part of the Second Geodetic Levelling of England and Wales, and the mean sea level determined from the tide gauge during the first six years (May 1915-April 1921 defined Ordnance Datum Newlyn (ODN) which became the national height datum for the whole of Great Britain. The 100 years of sea level data now available have contributed significantly to many studies in oceanography, geology, and climate change. This paper marks the centenary of this important station by reviewing the sea level (and, more recently, detailed land level) measurements and Newlyn's contributions to UK cartography, geodesy and sea-level science in general. Recommendations are made on how sea and land level measurements at Newlyn might be enhanced.

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“…(9, 50), Blackman e.a. (6,12) reviewed these reports to add more recent information. For the Scheldt estuary frequencies were calculated by SVKS (43), Janssens e.a.…”

Section: Extreme Value Distributionsmentioning

confidence: 99%

Frequency of Occurrence of Storm Surges in an Estuary: A Stochastic Approach

Sas

1984

Int. Conf. Coastal. Eng.

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This paper presents the results of a study on the frequency of occurrence of storm surge levels in the river Scheldt at Antwerp, related to the design of a storm surge barrier and the evaluation of the dike safety in the Scheldt basin. The basic principles of the extreme value distribution methods, the joint probability methods and simulation models are examined. A new technique, based upon the simulation of storms by variables characterizing the resulting surge is proposed. Results are compared with those of other methods.

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The Analysis of Annual Extreme Sea Levels at Certain Ports in Southern England.

Cited by 14 publications

References 0 publications

Distribution, morphology, and origin of sedimentary furrows in cohesive sediments, Southampton Water

Distribution, morphology, and origin of sedimentary furrows in cohesive sediments, Southampton Water

A Century of Sea Level Measurements at Newlyn, Southwest England

Frequency of Occurrence of Storm Surges in an Estuary: A Stochastic Approach

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