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, and west of Canada's Arctic islands. The sea is named after Sir Francis Beaufort, a hydrographer. The Mackenzie River, the longest in Canada, empties into the Canadian part of the Beaufort Sea west of Tuktoyaktuk, which is one of the few permanent settlements on the sea shores. The sea, characterized by severe climate, is frozen over most of the year. Historically, only a narrow pass up to opened in August–September near its shores, but recently due
Milky seas effect Verne's "Twenty Thousand Leagues Under the Sea"). In fact, the effect has not been rigorously documented nor thoroughly explained, even in modern times. Between 1915 and 1993, 235 sightings of milky seas were documented, most of which are concentrated in the northwestern Indian Ocean and near Indonesia. The luminescent glow is concentrated on the surface of the ocean and does not mix evenly throughout the water column. In 1985, a research vessel in the Arabian Sea took water samples during milky seas. Their conclusions were that the effect was caused by the bacteria "Vibrio harveyi". Mareel is typically caused by