Record Details

Acoustic masking due to gases in shallow seismic profiling on the shelf off Bombay

DRS at CSIR-National Institute of Oceanography

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Title Acoustic masking due to gases in shallow seismic profiling on the shelf off Bombay
 
Creator Siddiquie, H.N.
Rao, D.G.
Veerayya, M.
Wagle, B.G.
 
Subject Geology and Geophysics
acoustics
marking
shallow water
sonar detection
seismic exploration
ISW, India, Maharashtra, Bombay
 
Description Shallow seismic profiling on the inner shelf off Bombay indicates 25-35 m thick acoustically transparent clays covering the seabed. At depth of 22 to 30 m and 50 m the profiles and echograms are marked by turbidity resembling inverted U or mushroom like features which extend from the underlying reflector, i.e. sand and reach within 5-10 m of the surface. These features resemble the acoustic masking due to gases reported in shallow seismic profiles and echograms from estuaries and bays elsewhere. The gases may have originated due to the biogenic degradation of organic matter or seepage from greater depths because these occurrences lie in a basin with known oil and gas fields
 
Date 1995-05-01T09:57:11Z
2017-09-29T13:48:47Z
1995-05-01T09:57:11Z
2017-09-29T13:48:47Z
1980
 
Type Journal Article
 
Identifier Indian Journal of Marine Sciences, vol.9; 1980; 51-54
0379-5136
http://drs.nio.org/drs/handle/2264/6789
 
Language en
 
Relation Indian J Mar Sci
SCI
 
Publisher CSIR-NISCAIR