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> Sediment Coring: Healy Icebreaker

Ice Before Land

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Description: This is the edge of the ice pack that is still against the shoreline. Seeing this meant we were close to land

Waiting for “The Call”

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Description: Each of us chose various ways to wait for our name to be called for the helicopter ride to shore. For Val Schmidt, on the sofa in the foreground, that meant catching up on some sleep smile.gif

Land in Sight

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Description: We knew the journey would soon be coming to a close when we could see Barrow on the horizon.

Nice Reflection

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On: 1119979580

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Description: The Arctic now looked like a “regular” ocean, complete with nice reflections of the sun off the water

Big Change

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On: 1119979514

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Description: I had been so used to the surrounding scenery being mostly ice, it was a surprise to notice we were back water that only had a stray iceberg floating around

Noticeable Change

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Description: The pool of water between the two icebergs shows how it has changed to a much more brownish-green water as compared to the light blue water it was previously. This is due to a large amount of plant algae in the water.

Going Out in Style

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Description: Pete proudly showing his “LC” helmet (photo by Louis Whitcomb)

Getting Marked

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Description: Dennis Darby (back) takes some of the mud off the piston core to write “LC” for “last core” on Pete Kalk’s helmet to commemorate the last core Pete will drill before his retirement (photo by Louis Whitcomb)

Stressing Out

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On: 1119979346

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Description: I don’t know if it was a lack of water, or just a normal movement, but you can see the orange worm-like organism is extending out from its rougher exterior more than it was previously

Close-Up Shot

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Description: This shows some of the organisms in a little more detail

Interesting…

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Description: I thought this orange thing looked really interesting. It wasn’t confirmed whether this was some type of sea cucumber, worm, or some other animal.

Even More Things

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Description: When we combined the sediments and rinsed them off, an even wider diversity of life was revealed.

The Whole Gang

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On: 1119976928

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Description: This picture shows the arthropod (orange, front), soft coral (white, right), and a brittle star (back). It’s amazing such a diversity could be caught in such a small area

More Than Just Brittle...

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On: 1119976901

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Description: This picture shows a shrimp-like arthropod (orange) and a soft coral (white, feathery looking organism) to the right of the arthropod. The ruler is shown at the bottom for scale (large divisions are inches on the left, centimeters on the right)

Digging in the Dirt

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On: 1119976867

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Description: This illustrates how a brittle star can dig down into, and mix up, the sediment.

Having a Bad Day

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On: 1119976837

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Description: This brittle star probably had no clue it was going to be brought 300feet to the surface inside a core today!

Muddy Water

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On: 1119976808

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Description: After the mixture is poured, the vacuum pump is turned on which allows the water to pass through the filter and leave most of the sediment behind on the filter paper

Pouring in the Water/S...

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Uploaded by: Steve_Marshall

On: 1119976781

File Size: 24400

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Description: Once the holder is attached over the filter (the pieces are magnetic, so they just kind of snap together), the melted dirty ice can be poured into the holder as I’m doing here (photo by Joseph Ortiz)

Replacing the Filter

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Uploaded by: Steve_Marshall

On: 1119976753

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Description: This setup shows the equipment with the water/sediment holder removed, so a new filter can be placed over the flask as shown

Ready for Action

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Uploaded by: Steve_Marshall

On: 1119976722

File Size: 27702

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Description: This was the setup for filtering the dirty ice samples. Some of the filter paper with sediments already on it are shown in the plastic bag at the front of the table



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