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Review and evaluation of low visibility real-time monitoring techniquesNormal access

Authors: U.K. Verfuss, D. Gillespie, J. Gordon, T.A. Marques, B. Miller, R. Plunkett and J. Theriault
Event name: 80th EAGE Conference & Exhibition 2018 Workshop Programme
Session: WS14: The Effect of Seismic Surveys on the Marine Environment
Publication date: 15 June 2018
DOI: 10.3997/2214-4609.201801953
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 192.6Kb )
Price: € 20

Anthropogenic sound emitted into the sea has the potential to impact marine mammal by masking relevant sound, causing behavioural changes and, in extreme cases, induce auditory injury or death. It is often required to monitor an operational area of offshore projects for the presence of marine mammals in order to reduce the risk of potential impact. This kind of monitoring is traditionally conducted by trained visual observers, which scan the sea surface for marine mammals. This method, however, is restricted to daylight hours and fair weather conditions. The talk presents a review and evaluation of monitoring methods that could now, or in the near future, be used for marine mammal monitoring for mitigation purposes in periods of low visibility during which the effectiveness of visual observers is reduced.

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