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Books > Science & Mathematics > Physics > Applied physics & special topics > Geophysics
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Applied High-Resolution Geophysical Methods - Offshore Geoengineering Hazards (Paperback, Softcover reprint of the original 1st ed. 1984)
Loot Price: R1,461
Discovery Miles 14 610
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Applied High-Resolution Geophysical Methods - Offshore Geoengineering Hazards (Paperback, Softcover reprint of the original 1st ed. 1984)
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The discipline encompassing the use of high-resolution geophysics
for obtaining geoengineering survey data has evolved rapidly over
the past decades to become an interdisciplinary subject
encompassing the fields of Geophysics, engineering, geology, marine
geology, oceanography, and civil engineering. While high-resolution
geophysical surveys are routinely performed offshore today, this
has been so only since the late 1960s. High-resolution geophysical
methods are employed in the offshore environment to obtain a
comprehensive picture of the sea-floor mor phology and underlying
shallow stratigraphy. The purpose of the survey methods is to
assist in the design and installation of bottom-supported
structures such as drilling and production platforms and pipelines.
Drilling structures and pipelines of steel and/or concrete have
become behemoths with respect to their size and the complexity of
their design in order to withstand, for periods of up to
twenty-five years, an extremely harsh environment, including storm
waves, strong currents, unstable sea floor conditions, and great
water depths. It is therefore of paramount importance that the
geometry and physical properties of the sea floor be well
understood in order to provide an adequate foundation for the
design lives of such structures. On land, engineering foundation
data usually may be obtained by visual field inspection and shallow
borehole information, but offshore the presence of the water column
places certain constraints on geoengineering investigations.
High-resolution geophysical methods employed in the acquisition of
geoengineering data offshore are defined as the use of seismic
sources and receivers that operate at acoustic frequencies greater
than 100 Hz.
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