OBS - meaning and definition. What is OBS
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What (who) is OBS - definition

WIKIMEDIA DISAMBIGUATION PAGE
Obs; OBS (disambiguation)

OBS         
Online Book Store (Reference: Internet, WWW)
obs         
Police slang for observation. Meant as a compliment for a person's powers of observation of something not easily seen by others.
When Officer Sean saw the robbery in the alley, he was able to stop it, due to his good obs.
Ocean-bottom seismometer         
  • This is a map of the land and ocean-bottom stations that were deployed in the Cascadia Initiative.  (Photo from http://cascadia.uoregon.edu/CIET/cascade-initiative-background)
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  • An ocean-bottom seismometer goes over the side of R/V Oceanus in early 2001, off Barbados. It will record long-period, low-frequency seismic waves for up to a year before the ship returns to retrieve the instrument. (Photo by John Whitehead, Woods Hole Oceanographic Institution)
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  • This shows a P wave (red) converting into an S wave (blue), with the P wave having the ability to travel through the ocean and reflect back down off of the surface into the seismometer.  This creates water multiples that do not exist when the seismometer has free-air above it.<ref>Reeves, Z., and V. Lekic, Constraining lithospheric structure across the california borderland using receiver functions, AGU Abstract (Control ID 1807272), Fall, 2013 Meeting.</ref>
SEISMOMETER THAT IS DESIGNED TO RECORD THE EARTH MOTION UNDER OCEANS AND LAKES FROM MAN-MADE SOURCES AND NATURAL SOURCES
User:Judecastelino/Ocean Bottom Seismometer; Ocean Bottom Seismometer; Ocean Bottom Seismic (OBS); Ocean Bottom Seismic; Ocean bottom seismography; Ocean-bottom seismography; Ocean bottom seismometer
An ocean-bottom seismometer (OBS) is a seismometer that is designed to record the earth motion under oceans and lakes from man-made sources and natural sources.

Wikipedia

OBS

OBS or obs. may refer to: