Discover and read the best of Twitter Threads about #icebridge
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Hi everyone, I’m Dr. Boisvert! Today I want to talk to you about the parts of the #ocean that freeze over, like this sea ice just outside of Thule, Greenland in the Arctic taken during an Operation #IceBridge campaign in 2016. 🧊🧊🧊🧊#WorldOceansDay 
The seas in the mid-Atlantic and the Arctic are very different, but they’re part of the same global ocean! Here’s me ‘floating’ on sea ice off the coast of Greenland in 2016 and me again floating on Ocean City Beach in Maryland last weekend. 🧊🧊🧊🌊🌊🌊#WorldOceansDay
In the Arctic the ocean is cold enough (-1.8ºC🥶) to freeze saltwater and create sea ice. But here in the mid-Atlantic, the ocean is much warmer thanks to a massive current known as the Gulf Stream, which transports heat from the tropics.🌴🌎🌴 #WorldOceansDay
These images may look otherworldly, but they don’t show icy exoplanets. These gorgeous photos of Earth’s polar ice come from NASA's Operation #IceBridge—and while the mission officially ended last week, you can still explore more high-def images @NSIDC: nsidc.org/the-drift/data…
Summer melting exposes ice layers thousands of years old along the edge of Humboldt Glacier in northwest Greenland. Glaciers consist of snow that has been transformed into thick ice layers and flowed downhill, where it’s often exposed at the edge.
An iceberg surrounded by sea ice floes off the coast of Wilkes Land, East Antarctica. Operation #IceBridge data helps scientists study the height, thickness and topography of sea ice in the polar seas. Icebergs calve off land ice, and sea ice forms by freezing ocean water.
