Sediment Coring: Healy Icebreaker
Ice Before Land
Uploaded by: Steve_Marshall
On: 1120194312
File Size: 13708
Comments: 0 / Views: 799
Description: This is the edge of the ice pack that is still against the shoreline. Seeing this meant we were close to land
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Waiting for “The Call”
Uploaded by: Steve_Marshall
On: 1120194249
File Size: 23329
Comments: 0 / Views: 782
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
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Land in Sight
Uploaded by: Steve_Marshall
On: 1119979611
File Size: 16225
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Description: We knew the journey would soon be coming to a close when we could see Barrow on the horizon.
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Nice Reflection
Uploaded by: Steve_Marshall
On: 1119979580
File Size: 20310
Comments: 0 / Views: 765
Description: The Arctic now looked like a “regular” ocean, complete with nice reflections of the sun off the water
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Big Change
Uploaded by: Steve_Marshall
On: 1119979514
File Size: 24733
Comments: 0 / Views: 766
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
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Noticeable Change
Uploaded by: Steve_Marshall
On: 1119979454
File Size: 11686
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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.
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Going Out in Style
Uploaded by: Steve_Marshall
On: 1119979418
File Size: 20550
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Description: Pete proudly showing his “LC” helmet (photo by Louis Whitcomb)
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Getting Marked
Uploaded by: Steve_Marshall
On: 1119979393
File Size: 26003
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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)
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Stressing Out
Uploaded by: Steve_Marshall
On: 1119979346
File Size: 33407
Comments: 0 / Views: 870
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
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Close-Up Shot
Uploaded by: Steve_Marshall
On: 1119979320
File Size: 38706
Comments: 0 / Views: 769
Description: This shows some of the organisms in a little more detail
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Interesting…
Uploaded by: Steve_Marshall
On: 1119979291
File Size: 34029
Comments: 0 / Views: 800
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.
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Even More Things
Uploaded by: Steve_Marshall
On: 1119979267
File Size: 33788
Comments: 0 / Views: 755
Description: When we combined the sediments and rinsed them off, an even wider diversity of life was revealed.
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The Whole Gang
Uploaded by: Steve_Marshall
On: 1119976928
File Size: 11167
Comments: 0 / Views: 823
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
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More Than Just Brittle...
Uploaded by: Steve_Marshall
On: 1119976901
File Size: 17983
Comments: 0 / Views: 789
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)
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Digging in the Dirt
Uploaded by: Steve_Marshall
On: 1119976867
File Size: 11126
Comments: 0 / Views: 791
Description: This illustrates how a brittle star can dig down into, and mix up, the sediment.
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Having a Bad Day
Uploaded by: Steve_Marshall
On: 1119976837
File Size: 12557
Comments: 0 / Views: 759
Description: This brittle star probably had no clue it was going to be brought 300feet to the surface inside a core today!
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Muddy Water
Uploaded by: Steve_Marshall
On: 1119976808
File Size: 24510
Comments: 0 / Views: 761
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
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Pouring in the Water/S...
Uploaded by: Steve_Marshall
On: 1119976781
File Size: 24400
Comments: 0 / Views: 686
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)
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Replacing the Filter
Uploaded by: Steve_Marshall
On: 1119976753
File Size: 26131
Comments: 0 / Views: 788
Description: This setup shows the equipment with the water/sediment holder removed, so a new filter can be placed over the flask as shown
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Ready for Action
Uploaded by: Steve_Marshall
On: 1119976722
File Size: 27702
Comments: 0 / Views: 784
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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