Have Peak Fishery Production Levels beenPassed in Continental Shelf Area? Some Perspectives Arising from Historical Trends in Production per Shelf Area
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چکیده
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Shelf Road Recreation Area Visitor Survey
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Acoustic clutter is the primary problem encountered by active sonar systems operating in Continental Shelf environments. Clutter is defined as any returns from the environment that stand prominently above the diffuse and temporally decaying reverberation background and so can be confused with or camouflage returns from an intended target such as an underwater vehicle. Many environmental factors...
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ژورنال
عنوان ژورنال: Journal of Northwest Atlantic Fishery Science
سال: 1998
ISSN: 0250-6408,1682-9786,1811-8224
DOI: 10.2960/j.v23.a13