Results 251 to 260 of about 70,742 (301)

Seasonal tide variations from tide gauges and altimetry

Physics and Chemistry of the Earth, Part A: Solid Earth and Geodesy, 1999
Abstract Tide gauge and altimetry observations have been used to investigate time variation of the tides on the European Shelf. A significant seasonal modulation of several major diurnal and semi-diurnal constituents was detected in both data sets. A strong correlation with non-tidal variability suggests surge-tide interaction as the cause of this ...
O. Leeuwenburgh, O.B. Andersen, V. Huess
openaire   +1 more source

Tide gauge response to tsunamis: Measurements at 40 tide gauge stations in Japan

Journal of Marine Research, 1988
The responses of tide gauges to tsunamis are examined by in situ measurements at 40 stations in northeastern Japan. Recovery of water level in the tide well is measured after the water is drained or added to create a water level difference between the inside and outside of the wells. The recovery times for aIm water level difference, estimated from the
Kenji Satake, Masami Okada, Kuniaki Abe
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Tide gauges measure tectonic movements

Energy, 1993
Abstract Glacial unloading of the crust, subduction, volcanoes, faults and folds, compaction of deltas, pumping of fluids and hydrostatic weighting cause changes in land levels that mask changes by modern eustatic rise of sea level as shown by tide-gauge records.
K.O. Emery, D.G. Aubrey
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Tide gauge monitoring using GPS

2008
In this work we have studied accuracy of GPS for tide gauge stability monitoring as well as possibilities for observing the absolute sea level rise of the Baltic Sea with GPS and tide gauge time series. Our determination give the average sea level rise for the long, up to 120 years, time series 1.9 + 1.0 mm/year, and when corrected for the geoid rise ...
Maaria Tervo   +2 more
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Hydrodynamic Studies Of Tide Gauges

Journal of Hydraulic Research, 1969
When tide gauges of the float and well type are situated such that there is a flow past them, an error is introduced into their readings as a result of the flow. The hydrodynamics of the flow are considered and a relationship is developed for the well orifice pressure coefficient Cp , in terms of a Reynolds number, Froude number and two geometric ...
A. Roy Halliwell, John G. Perry
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PHAG - A Microprocessor Based Tide Gauge

OCEANS 1984, 1984
The design of a low power portable hydrographic water level gauge system (PHAG) is constrained by enviromental, operational, and measurement requirements. The data acquisition electronics provide optimum use of available power at temperatures ranging below 0 \deg C.
M. Donegan, B. White
openaire   +1 more source

Expendable Tide Gauge

1997
Abstract : This work's main goal is development of an expendable, small, easily-deployed, long lifetime, and low cost tide gauge that will increase water level data collection capabilities in littoral regions for scientific purposes (e.g. determination of regional tidal model forcing inputs and model validations) and for Naval tactical oceanographic ...
openaire   +1 more source

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