14 November 2016 So Many Kinds of Ice!!

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Sofie Maliyevsky
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Ice

What is your favorite part of the missions when you are working with ice?

Guest
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ice

Hi Sofie!
The favorite part of the mission, honestly, is learning about the ice. There are so many things going on and the ice tells such a great story, but I didn't know enough before this trip to understand it all. I understand a lot more now, and would love to keep learning about it. I also love looking at the landscape, and talking to interesting people, but the learning is the best part for me.

trevor lantz
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ice

which one of the ice are tougher.

Guest
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tougher ice

Hi Trevor!
cool question! The land ice is for sure the toughest as it is so thick. At the South Pole, it is over 4 km thick! Wow! The sea ice is much thinner and easier to crack or deform.

calvin allshouse
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what was the most "colorful"

what was the most "colorful" part of the trip

Guest
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Colorful

Hi Calvin!
The most colorful part of the trip - hmmm. I can answer that a few different ways. First of all, the town of Punta Arenas where we were based, is very colorful. On my last journal entry I have a photo from up on the hill above town and you can see how colorful the roofs are. The town also had street vendors and colorful murals on some of the buildings. Secondly, the people I got to work with were "colorful" in that they were funny and many were very talkative. Often on the comute home from Antarctica back to Chile, great conversations came up through the headsets that made everyone laugh.

Bryce Harper
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melting glaicers

Is the water at a warm enough tempurture to melt a glacier over a long period of time?

Guest
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Melting Glaciers

Hi Bryce, super-amazing question!
YES, the water is cold but it is warmer than the ice, so it has the ability to melt the ice. This is one of the most fundamental and interesting pieces to the work of OIB, as the ice shelves that extend out from the continent are floating on warming water. This effects their melt from below, speeding it up. As the shelf thins, it may also become more buoyant and loose its anchor contact to rocks below or at the sides, allowing it to move forward more readily. Yes, ocean water melting ice is a really important part of the story.

kayleigh
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witch one of the three kinds

witch one of the three kinds of ice melt the fastest?

Which one of the three kinds

Hi Kayleigh! Great question! The sea ice is very thin so it can melt quite easily as the water warms, BUT the underside of ice shelves can also melt a lot with the warmer water below, so they are vulnerable to a lot of melt. Because sea ice is made from ocean water, it is not ADDING to the water level when it melts, but land based ice, like ice shelves, do add to the ocean water level when they melt. This is an important area of study because of what it might mean to sea level rise, so while the sea ice may melt faster, the ice shelves' melt may mean a lot more to the planet. Thanks for your awesome question!

Macon
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ice types

What kind of ice is most common in the south pole?

Ice Types

Hi Macon! Great question! At South Pole, the very thick ice (4-5 km thick- yikes!) is over the center of the continent so it is an ICE SHEET there. It is thick and old and very cold. Thanks for your question!

Macon
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ice types

What kind of ice is most common in the south pole?

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Journal Details

Location: George VI Ice Shelf
Coordinates:
Latitude: 67° 28' 48" S
Longitude: 71° 6' 0" W
Weather Summary: Clear and Cold

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