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Low-frequency temporary threshold shift not observed in spotted or ringed seals exposed to single air gun impulses

2016

The Journal of the Acoustical Society of America

Reichmuth, C., Ghoul, A., Sills, J., Rouse, A. et al.

Underwater hearing thresholds were measured at 100 Hz in trained spotted (Phoca largha) and ringed seals (Pusa hispida) before and immediately following voluntary exposure to impulsive...
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Keywords: Airgun, Hearing, Noise, Ringed seals, Temporary threshold shift

Stage of Activity

Geophysical Exploration

Drilling

Construction

Production

Decommissioning

Export/Shipping

Other

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

Other

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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Access Constraints

Year of Issue

Pre 1985 Post 1985

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