Dust flux, Vostok ice core

Dust flux, Vostok ice core
Two dimensional phase space reconstruction of dust flux from the Vostok core over the period 186-4 ka using the time derivative method. Dust flux on the x-axis, rate of change is on the y-axis. From Gipp (2001).

Monday, February 17, 2014

The village hammer

In response to the higher than usual amount of spam being sent to the World Complex, here's a little story. (BTW, thank you for your story about trying to get a loan from a god-fearing man, Mrs. Monica Roland. But the last time I was in Singapore, the unit of currency was not the pound).

We were about to run a small survey from a fishing vessel out of a small village in the western region. The geophysical gear had to be towed from the side, so I prepared to nail a beam to the boat, so we could tow the gear from a fixed point about 2 m off the side of the vessel. Unfortunately, my hammer had gone missing sometime during the trip--but one of our local employees told me he had one in his house just around the corner, so off he goes to get the hammer.

So we wait. And wait. And wait. A few hours pass, and then he returns with the hammer. I asked him what took so long. "Someone else was using it." Two minutes of hammering and we were done. Out to sea.

Not sure how clear this is to you, but this is a bit of raw seafloor acoustic imagery, with no navigational corrections (we wobble a bit and our speed changes due to wave action). The width of the image is about 90 m, and the length is a little over 500 m. The prominent light coloured bodies with the ripple marks are sand bodies with dunes; the darker material is soft sediment (silt), and the light blotches are bedrock outcrop.

Update: The image upload isn't that good. Bloody google.

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