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ATT055 to IP098: Broadband Calibration of Marine Seismic Sources - A Case Study

ATCM XXIX and CEP IX 2006, Edinburgh, Scotland

Attachment 55 to Information Paper 98 ( pdf IP098 (25 KB) )

ATT055 to IP098: Broadband Calibration of Marine Seismic Sources - A Case Study

Summary:

At earlier meetings of the Committee for environmental protection there has been discussion of the problems associated with identifying the "footprint" of acoustic sources when in use in the Southern Ocean. Whilst there have been studies on research vessels elsewhere in the world no such data appeared to exist for research vessels operating within the CCAMLR or Treaty Area. Earlier papers from SCAR have urged that Parties interested in developing a deeper understanding of the possible interactions between marine mammals and acoustic systems should undertake targeted research in order to provide the relevant data on which management proposals could be based. The Alfred Wegener Institute undertook a characterisation of Polarstern with a characteristic air gun array, using a calibration system established in Norway. This paper was presented as a draft at the Cadiz Workshop on marine acoustics and is submitted here as an example of the research that SCAR has suggested is needed. It will be submitted for publication to a scientific journal this year.

ATCM - Antarctic Treaty Consultative Meeting
CEP - Committee for Environmental Protection
29th Antarctic Treaty Consultative Meeting
12 Jun 2006 - 23 Jun 2006