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 ...
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)
...
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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