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On Speeding Glaciers and Huge Icebergs, Part 2

KANGERLUSSUAQ, GREENLAND– Last week, we showed you a video interview with glaciologist Mark Fahnestock who described how he and his team are measuring the motion of the Jakobshavn Isbræ, one of the fastest-moving glaciers in the world. Here, Dr. Fahnestock describes the roar of a 1000-foot iceberg dropping off the Jakobshavn... {Read More »}



On Speeding Glaciers and Huge Icebergs

KANGERLUSSUAQ, GREENLAND-- We caught up with glaciologist Mark Fahnestock on his way back home after a few weeks camping near the Jakobshavn Isbræ, the most productive and among the fastest-moving glaciers in the world... {Read More »}



Returning to Port

STRAITS OF MAGELLAN-- Today we are arriving in Punta Arenas, Chile at 11am local time. After 8 hours through the Straits of Magellan we have… {Read More »}



Black Ice

SOUTHERN OCEAN-- Sometimes icebergs contain silt and rocks collected in the continent as the ice moves the mountains down towards the sea, scouring the rock… {Read More »}



Macronutrients Around the Iceberg

ICEBERG A43K, SOUTHERN OCEAN-- Phytoplankton need dissolved nutrients, such as silicate, phosphate, and nitrate to grow in seawater. Open waters in Antarctica are rich in… {Read More »}



Icebergs

“It’s just the tip of the iceberg.” That’s what we say when there’s more to something—plenty more—than meets the eye. In fact, the phrase is scientifically accurate... {Read More »}



The Ocean’s Carbon Content

ICEBERG A43K, SOUTHERN OCEAN-- Carbon sedimentation in the water, from its surface towards the ocean floor, is expected to increase around icebergs as a consequence… {Read More »}



Iron-Limited Phytoplankton?

ICEBERG A43K, SOUTHERN OCEAN-- The waters of the Southern Ocean are considered High Nutrient Low Chlorophyll (HNLC) waters. In spite of abundant dissolved nitrogen, phosphorus… {Read More »}



Life Around the Iceberg

ICEBERG A43K, SOUTHERN OCEAN-- Many birds, seals and whales are living around Iceberg A43K. We saw several of them as we approached the iceberg two… {Read More »}



Tagging Icebergs From Above

SOUTHERN OCEAN-- One very important piece of information needed to study an iceberg is its geographical location at any given time. By analyzing the iceberg's… {Read More »}