marine mammal watch

Abby on Protected Species Watch

I was so excited when I heard that we were going to watch for marine animals. The Vertical Seismic Profile (VSP) tool uses an air gun to send sound waves through the water and the rock. Inside the borehole there is another tool called the VSI that receives the sound waves.

JR Daily 10 April 09

PRESENT ACTIVITY: Update as of 0630 hr 10 April 2009  Presently XCB< coring U1334B-25X (219.0 mbsf to 228.6 mbsf). Testing of the air gun is in progress in preparation for upcoming vertical seismic profiling experiment in Hole U1334C. The marine mammal watch started at ~0630 hr.

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