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> Sediment Coring: Healy Icebreaker

Ice Before Land


Uploaded by: Steve_Marshall

On: 1120194312

File Size: 13708

Comments: 0 / Views: 597

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”


Uploaded by: Steve_Marshall

On: 1120194249

File Size: 23329

Comments: 0 / Views: 592

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


Uploaded by: Steve_Marshall

On: 1119979611

File Size: 16225

Comments: 0 / Views: 578

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

Nice Reflection


Uploaded by: Steve_Marshall

On: 1119979580

File Size: 20310

Comments: 0 / Views: 568

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

Big Change


Uploaded by: Steve_Marshall

On: 1119979514

File Size: 24733

Comments: 0 / Views: 581

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


Uploaded by: Steve_Marshall

On: 1119979454

File Size: 11686

Comments: 0 / Views: 616

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


Uploaded by: Steve_Marshall

On: 1119979418

File Size: 20550

Comments: 0 / Views: 563

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

Getting Marked


Uploaded by: Steve_Marshall

On: 1119979393

File Size: 26003

Comments: 0 / Views: 604

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


Uploaded by: Steve_Marshall

On: 1119979346

File Size: 33407

Comments: 0 / Views: 674

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


Uploaded by: Steve_Marshall

On: 1119979320

File Size: 38706

Comments: 0 / Views: 573

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



Uploaded by: Steve_Marshall

On: 1119979291

File Size: 34029

Comments: 0 / Views: 612

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


Uploaded by: Steve_Marshall

On: 1119979267

File Size: 33788

Comments: 0 / Views: 565

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

The Whole Gang


Uploaded by: Steve_Marshall

On: 1119976928

File Size: 11167

Comments: 0 / Views: 616

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...


Uploaded by: Steve_Marshall

On: 1119976901

File Size: 17983

Comments: 0 / Views: 595

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


Uploaded by: Steve_Marshall

On: 1119976867

File Size: 11126

Comments: 0 / Views: 599

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

Having a Bad Day


Uploaded by: Steve_Marshall

On: 1119976837

File Size: 12557

Comments: 0 / Views: 575

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

Muddy Water


Uploaded by: Steve_Marshall

On: 1119976808

File Size: 24510

Comments: 0 / Views: 564

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...


Uploaded by: Steve_Marshall

On: 1119976781

File Size: 24400

Comments: 0 / Views: 495

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


Uploaded by: Steve_Marshall

On: 1119976753

File Size: 26131

Comments: 0 / Views: 587

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


Uploaded by: Steve_Marshall

On: 1119976722

File Size: 27702

Comments: 0 / Views: 594

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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