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Acoustics variability of air gun signals recorded at intermediate ranges within the Lau Basin

Creator:

Bohnenstiehl, DelWayne R., Scheip, Corey M., Matsumoto, Haru, and Dziak, Robert P.

Abstract:

During January–February 2009, an active-source seismic survey was performed over the Eastern Lau Spreading Center in the Lau Back-Arc Basin (21°S, 176°S). Acoustic signals generated by the R/V Langseth's 36-gun pneumatic source array were recorded within the deep sound channel at offsets of 29–416 km. The local ocean acoustic environment...

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in the Lau Back-Arc Basin (21�S, 176�S). Acoustic signals generated by the R/V Langseth’s 36-gun
Estimating animal population density using passive acoustics

Creator:

Marques, Tiago A., Thomas, Len, Martin, Stephen W., Mellinger, David K., Ward, Jessica A., Moretti, David J., Harris, Danielle, and Tyack, Peter L.

Abstract:

conservation and ecology. Currently, the most widely used methods for obtaining such estimates involve either sighting animals from transect lines or some form of capture-recapture on marked or uniquely identifiable individuals. However, many species are difficult to sight, and cannot be easily marked or recaptured. Some of these species produce...

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positives, p is the probability of detecting an object within the area a, and r represents the multiplier(s