• IMO66

    IMO adopts guidelines to reduce underwater noise from commercial ships.

    Wednesday, April 16, 2014

      The International Maritime Organization (IMO) recently adopted guidelines to reduce underwater noise from commercial ships. The new guidelines: -         recognize that shipping noise can have short-term and long-term impacts on marine life; -         call for measurement of shipping noise according to objective ISO standards, which are themselves on the verge of adoption; -         identify [...]

    Read More
  • Deng et al_2013

    New Paper on “200 kHz” sonar with side lobes audible to marine mammals

    Wednesday, April 16, 2014

        On behalf of my co-authors, I would like to let you know about a new paper on the audibility of high frequency sonar systems to some marine mammals. We investigated the acoustic “leakage” of energy into side lobes from the 200 kHz center frequency of three commercially-available sonar systems. These active sonar systems [...]

    Read More
  • JEB Cover_proof

    New Paper on Spotted Seal Hearing

    Friday, April 11, 2014

    We are very happy to announce the recent publication on hearing and the masking effects of noise in spotted seals. This is the first-ever such measurement of hearing in this species both in air and under water. This study was conducted in highly controlled and quiet acoustic environments and the results indicate very acute hearing [...]

    Read More
  • whale4_dave_weller_cropped_121398

    New paper on seismic surveys and mitigation of impacts on marine mammals

    Tuesday, February 4, 2014

    SEA Blog, A paper was on responsible practices for conducting seismic surveys in environmentally sensitive areas was published recently in Aquatic Mammals. The lead author was Dr. Doug Nowacek from Duke University’s Marine Laboratory, who is a close colleague of SEA’s president Brandon Southall who was also an author on the paper. A copy of [...]

    Read More
  • Tagged Ziphius_14534_Calambokidis

    END SOCAL-13

    Monday, October 14, 2013

    We have come to the end of field operations for the SOCAL Behavioral Response Study in 2013 (SOCAL-13). It was a very busy field season with four different periods, each with a slightly different set of objectives and configurations. In May we based from San Clemente Island and worked with colleagues at the SCORE range [...]

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News & Press

IMO66
Apr
16

IMO adopts guidelines to reduce underwater noise from commercial ships.

  The International Maritime Organization (IMO) recently adopted guidelines to reduce underwater noise from commercial ships. The new guidelines: -         recognize that shipping noise can have short-term and long-term impacts on marine life; -         call for measurement of shipping noise according to objective ISO standards, which are themselves on the verge of adoption; -         identify [...]

Read More
Deng et al_2013
Apr
16

New Paper on “200 kHz” sonar with side lobes audible to marine mammals

    On behalf of my co-authors, I would like to let you know about a new paper on the audibility of high frequency sonar systems to some marine mammals. We investigated the acoustic “leakage” of energy into side lobes from the 200 kHz center frequency of three commercially-available sonar systems. These active sonar systems [...]

Read More
JEB Cover_proof
Apr
11

New Paper on Spotted Seal Hearing

We are very happy to announce the recent publication on hearing and the masking effects of noise in spotted seals. This is the first-ever such measurement of hearing in this species both in air and under water. This study was conducted in highly controlled and quiet acoustic environments and the results indicate very acute hearing [...]

Read More
whale4_dave_weller_cropped_121398
Feb
4

New paper on seismic surveys and mitigation of impacts on marine mammals

SEA Blog, A paper was on responsible practices for conducting seismic surveys in environmentally sensitive areas was published recently in Aquatic Mammals. The lead author was Dr. Doug Nowacek from Duke University’s Marine Laboratory, who is a close colleague of SEA’s president Brandon Southall who was also an author on the paper. A copy of [...]

Read More

SOCAL-BRS

SOCAL-BRS is a study of basic behavior and responses to controlled sound exposures in a variety of marine mammal species.

Southall Environmental Associates, Inc.

Reducing environmental impacts from essential human activities requires unique approaches to meet challenging conservation objectives in the 21st century. SEA, Inc. works globally with diverse scientific teams and cutting-edge technologies to provide real-world solutions. Learn more about SEA