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Pages and Posts Tagged ‘whales’

Clues from Ancient Glacial and Interglacial Times

ABOARD THE JOIDES RESOLUTION, OFF THE COAST OF WILKES LAND, ANTARCTICA– The poles are a great place to study both natural and man-induced changes in Earth’s climate because of a phenomenon called polar amplification... {Read More »}

When an Icebreaker Meets Its Match

ABOARD THE RVIB N. B. PALMER, ON THE WEDDELL SEA-- As luck or fate would have it, the sea ice around Antarctica seems to be unusually persistent this year, reaching far beyond its usual summer extent, which makes moving forward a slow going process... {Read More »}

Where Have All the Whales Gone?

CAPE ROYDS, ROSS ISLAND, ANTARCTICA– Since the early 20th century when exploration of the Ross Sea became common, killer whales have been sighted regularly and described as the most abundant whale in the area. Recently, the killer whales... {Read More »}

Organization, Organization, Organization

BARROW, ALASKA-- It is 1am mountain time, which my body still seems to be on, but about 11pm here in Barrow. I arrived... {Read More »}

Penguins’ Best Friends Are Minke Whales

CAPE ROYDS, ANTARCTICA-- I’m sure Inuits have a name for it, but otherwise it’s the fizzing sound as great expanses of ice dissolve so rapidly that any air still between its spaces or molecules is released into the atmosphere. We heard that sound... {Read More »}

Antarctic Marine Ecosystem

The Antarctic food web is the simplest on the planet, and krill are at its hub. {Read More »}

Antarctic Whales

Drawn to the cold, nutrient-rich Antarctic waters, ten species of whales spend their summers at the bottom of the world. Often sighted by research scientists are the humpback, minke, and orca. {Read More »}

Ears of the Deep, Part III: Placing a Mooring

ABOARD THE USCGC HEALY, ON THE BEAUFORT SEA– Kate's moorings, like most others, are constructed to be placed on the sea floor at a particular location and depth... {Read More »}

Ears of the Deep: Hydrophone Arrays

ABOARD THE USCGC HEALY, ON THE BEAUFORT SEA-- While much of the Coast Guard personnel continued to host the distinguished visitors, the science work increased in tempo. The primary science activity to be accomplished on the cruise is to recover and deploy moorings... {Read More »}

Listening for Bowhead Whales

ABOARD THE USCGC HEALY, ON THE BEAUFORT SEA-- Now that we are aboard the HEALY and settled in, while we slept a survey was done running roughly offshore of Barrow. The principal work along this leg was mapping of the seafloor bathymetry with the ship’s multibeam acoustic system... {Read More »}