1) Read through the introductory pages, click on the “continue”
button to get the next page
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2) Travel to the Study Area (the East Pacific Rise (at 9°50’N
and 104°W)
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3) Arrive on the seafloor. You are in the Northwest corner
of the study area. Notice the map on the right side of the screen. It is
a map that shows where you are relative to the study area. The Alvin icon
spins as you view changes so you can your “look direction” from
that.
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You may need to let the virtual world download so take a minute
to look around the sub controls |
4) The first location you come to is on the wall of the Axial
Summit Collapse (ASC) zone. The ASC gets its name from: axial—we are
on the very boundary between tectonic plates, and it is often referred to
as the “axis of seafloor spreading”; summit, we are on the shallowest
part of the mid-ocean ridge; collapse, the region has steep walls that result
from volcanic collapse.
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Seafloor
eruption animation |
5) Turn the joy stick just a little to left. The “jump”
button will illuminate. You should be facing East-NorthEast. Click the jump
the button. You will travel down to the next location on the floor of the
collapse zone.
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6) Take a look around, and aim south, click the jump button
when illuminated. Notice as you travel and click on videos, a description
appears in the video monitor. These descriptions are all kept in your note
book, click on the Notes tab of the clip board.
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7) Take a look around, and aim east, you should see the hydrothermal
vent site in the distance. Click the jump button when illuminated
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8) You’ve found your first vent site!. Click on the different
animals in the scene to see actual videos of the animals and vent system
on the seafloor. If you want to see the video again, click the replay button.
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| 9) You can travel around the vent and the animals and smoke
and vent in the different locations will bring up different videos. Keep
track of what you see, on your map, by dragging a vent icon from the cubby
holes above the map, down to the front of the Alvin. |
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10) Take a water sample. Click the “water sample”
toggle button, to bring up the sampling apparatus. When ready, click and
drag the water bottle from the middle to the left bottle holder. Them sample
should start automatically when you release the mouse. When finished the
results of the water sample will be printed as table. Note the temperature
of the Vent!
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| Now you are on your own. |
Enjoy! |
