Fiona McLaughlin is a senior Oceanographer, employed by Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

's Department of Fisheries and Oceans.
McLaughlin joined government service in 1972.
Since 1994 she has concentrated on the ecology of the Arctic Ocean

Arctic Ocean

The Arctic Ocean, located in the Northern Hemisphere and mostly in the Arctic north polar region, is the smallest and shallowest of the world's five major oceanic divisions...

.

McLauglin has an extensive list of publications.

McLaughlin has made field trips on the icebreakers of the Canadian Coast Guard

Canadian Coast Guard

The Canadian Coast Guard is the coast guard of Canada. It is a federal agency responsible for providing maritime search and rescue , aids to navigation, marine pollution response, marine radio, and icebreaking...

.
In November 2009 she was one of the authors of an article in Science

Science (journal)

Science is the academic journal of the American Association for the Advancement of Science and is one of the world's top scientific journals....

about the acidification of the Arctic Ocean that reported that the Beaufort Sea

Beaufort Sea

The Beaufort Sea is a marginal sea of the Arctic Ocean, located north of the Northwest Territories, the Yukon, and Alaska, west of Canada's Arctic islands. The sea is named after hydrographer Sir Francis Beaufort...

was close to the point where the carbonate shells of plankton would begin to dissolve.