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Effects of multiple impluses from a seismic air gun on bottlenose dolphin hearing and behaviour

2015

The Journal of the Acoustical Society of America

Finneran, J., Schlundt, C., Branstetter, B., Trickey, J. et al.

To investigate the auditory effects of multiple underwater impulses, hearing thresholds were measured in three bottlenose dolphins before and after exposure to 10 impulses produced by...
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Keywords: Air gun, Bottlenose dolphins, Hearing thresholds, Multiple impulses

Stage of Activity

Geophysical Exploration

Drilling

Construction

Production

Decommissioning

Export/Shipping

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Stage of Assessment

Stage 2: Sound emissions & propagation
Sound Measurements

Sound Modelling

Stage 3: Existing biological environment
Hearing Sensitivity

Stage 4: Potential impact assessment
Impact Study

Stage 5: Monitoring & Mitigation
Mitigation Measures

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Literature Review

Publication Type

Sound Source

Relevance to E&P Activities

Representative of real world source

Context relative to E&P activities

Parameters clearly measured and reported

Study Design

Relevance / context to E&P activity

Considers temporal / spatial variation

Receiver physiology/sensitivity

Receiver life stage/function

Control parameters clearly stated

Laboratory vs field

Modelling vs Real World

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Pre 1985 Post 1985

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