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Archive for June, 2008

The Crystalline Sublime

BARROW, ALASKA-- (By Ronald Aveling) Beneath the breathing tundra, all is not what it seems. On our second attempt, we managed to find our way out to the elusive Ice Cellar, and explored a mysterious subterranean world that exists beneath the surface... {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 »}

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 »}

End of the Pits

SUMMIT CAMP, GREENLAND-- On Friday, we finished up our big 3 meter pit. We had to dig out the last little bit of it, which Maria and Elyse were able to do by sawing out blocks and carrying them out of the pit. We’ve done density, air permeability... {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 Seals

BARROW, ALASKA-- (By Julie Konop) Watch a team of scientists as they measure and tag a female ringed seal on the frozen Chukchi Sea. {Read More »}

Trolling for Tubes

SUMMIT CAMP, GREENLAND-- Today was one of those days that makes me feel so lucky to be up here at Summit Camp, working in the… {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 »}

It’s the Pits

SUMMIT CAMP, GREENLAND-- We started the major task of our field season today: digging and sampling a three meter snow pit. This pit is located… {Read More »}