ice sheets Archives - State of the Planet

How Catastrophic Floods May Have Carved Greenland’s ‘Grand Canyon’

In a new study, researchers propose a mechanism for how mega-canyons under northern Greenland’s ice sheet formed: from a series of catastrophic outburst floods that suddenly and repeatedly drained lakes of meltwater.

by |April 30, 2020
cyclist with mountains in background

Follow Along on a Bicycle Tour That Teaches About Hudson Valley’s Glacial History

A student-led Cycle for Science trip will follow the footsteps of an ice sheet that buried the NYC area under a mile of ice during the last ice age.

by |October 7, 2019
portrait of two scientists on board the joides resolution

New York City to Punta Arenas: The Beginning of Our Journey

Scientists aboard the R/V Joides Resolution prepare to set sail into the Southern Ocean.

by |June 28, 2019
scientific equipment on glacier

Video: Glacier Research on the Juneau Icefield in Alaska

Research by Lamont’s Johnny Kingslake and Elizabeth Case advances understanding of ice sheet dynamics and how our world may change in the coming centuries.

by |June 12, 2019

Uncovering the Future of Greenland’s Ice Sheet

Joerg Schaefer and Gisela Winckler, scientists at Lamont-Doherty Earth Observatory, received funding from the Center for Climate and Life to examine the vulnerability of Greenland’s massive ice sheet.

by |January 22, 2019
snowmobile drags radar across West Antarctic Ice Sheet

Shrinking Ice Sheet Made A Surprising Comeback

Thousands of years ago, the West Antarctic ice sheet shrank dramatically—then grew back in an unexpected way.

by |June 13, 2018
iceberg

Glaciers, Ice Sheets, and More: A Primer on the Different Types of Polar Ice

Plus: Why they matter for climate change.

by |February 5, 2018

Ice Sheets May Melt Rapidly in Response to Distant Volcanoes

A study of ancient eruptions shows modern ice sheets could be vulnerable.

by |October 24, 2017

East Antarctic Ice Sheet Should Remain Stable Even if the West Melts

A new look inside the ice sheet validates predictions that it probably won’t melt as quickly as its neighbor—good news, since East Antarctica contains enough water to raise sea levels by 200 feet.

by |August 18, 2017
ross ice shelf

Antarctic Ice-Mapping Project Will Fly for the Last Time in October

With its mission complete, the Rosetta-Ice Project will give scientists an unprecedented look at the Ross Ice Shelf and how it’s changing with the climate.

by |August 18, 2017