7 votes
Accepted

Using accelerometer as a seismograph

The magnitude of an earthquake is related to the total energy released, therefore to estimate it from a seismogram you need to know the distance to the source. In the case of the Richter scale for ...
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5 votes
Accepted

How much cheaper is it to mount oceanographic sensors on elephant seals and other animals, compared using Argo floats and other abiotic sensors?

Each float costs around US$15,000 and communication, deployment and calibrations costs approximately double the through-life cost of each float. (from http://www.argo.ucsd.edu/Argoflyer_final.pdf) ...
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  • 562
4 votes

How do you calculate the depth of penetration in a Schlumberger array?

Short answer: 0.2 times the total length of your cable(s). 100m rollout --> ~20m depth Bear in mind that the deeper you get, the more you have to be careful with your data interpretation. Also if ...
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  • 472

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