Category: Seismic Surveys

Adriatic Sea Sperm whale stranding revisited

In December 2009 seven Sperm whales were found stranded on the beaches of Gargano on the Adriatic Sea. Necropsies on two of the whales found that their digestive systems were choked up with plastic, so the headlines at the time…

Field Report from the Acoustics Society Meeting

I am spending the week in Baltimore, Maryland with a large aggregation of acousticians – perhaps 2000 folks, presenting papers and conferring about all matters acoustic. (A good collective pronoun might be a “treatment of acousticians…”) The field of acoustics…

OCR featured in National Geographic Online article

Last week after President Obama announced that offshore areas would be opened for oil exploration and extraction I received a call from National Geographic writer Marianne Lavelle. She was doing research for an article published online yesterday about seismic surveys.…

Low level seismic survey noise interrupts Blue Whale calls

A recent publication by Lucia Di Lorio and Chris Clark reveals a significant difference in Blue Whale call behavior as a consequence of seismic survey noise generated by “sparkers” – an impulse generator which uses an electrical discharge spark to…

Norwegian fishermen get a little testy over seismic surveys

Norwegians have known for years that seismic surveys compromise fisheries. Some of the benchmark studies confirming this have come from Norwegian scientists.[1] While US fisheries interests have not been able to get much traction on this issue (for a host…

Increasing evidence of Seismic Survey impacts on marine life

An article was published in the BBC News website referring to a recently published paper by Lucia Di Iorio and Christopher Clark[1] indicating that seismic surveys can interfere with Blue Whale feeding behaviors. The letter mentions that the blue whales…

Dust-up (and Follow-up) on seismic surveys in Juan de Fuca

EcoJustice is asking for hearings about a proposed geological survey of the Endeavour Hydrothermal Vents Marine Protected Area. There is some irony in conducting seismic surveys in marine protected areas, particularly an area that has been recognized as a habitat…

Canada DFO intro

The Canadian Department of Fisheries and Oceans (DFO) is sponsoring a national workshop on the mitigation practices for seismic airgun exploration. This event will be attended by a whole array of marine scientists, oil and gas industry engineers, and a…