State of the Planet

News from the Columbia Climate School

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In the Ice

Some examples of the sea ice that we have encountered so far. Top left: bands of grease ice, Top right: small pancake ice merged together; bottom left: larger pancake ice; bottom right: The Nathaniel B. Palmer steaming through dense sea ice cover.
Some examples of the sea ice that we have encountered so far. Top left: bands of grease ice. Top right: small pancake ice merged together. Bottom left: larger pancake ice; bottom right: our ship, the Nathaniel B. Palmer, steaming through dense sea ice cover.

Several days ago we reached our main work areas along the margin of East Antarctica. Our expedition is relatively late in the season and the seas around Antarctica are starting to freeze. While the abundance of sea ice makes it more difficult to get to all of our research areas, the different shapes and forms of newly forming sea ice are a great visual experience. We also have a group of Australian scientists aboard the Palmer who are studying sea ice and sea ice formation using an unmanned aerial system or drone, so they are especially pleased by our icy experience.

Follow @FrankatSea for additional updates and images from the Southern Ocean.

Photo of the Earth from space with the text "Lamont at AGU25" on top.

AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More

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