Vocabulary

Geo-Seas Seismic Receiver Types

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URI

http://vocab.nerc.ac.uk/collection/GSB/current/

Description

Concepts that describe instrument types used to measure reflected and refracted acoustic signals in the geophysical discipline of seismics

Geo-Seas

2011-01-29

GSB

British Oceanographic Data Centre

Geo-Seas

Members

Identifier	PrefLabel	Definition	Date
902	3C seismometers	Devices placed on the ground or seabed to measure physical movement of that substrate. 3C seismometers are built of multiple motion sensors oriented in a tri-axial mode. Allows for recording of compressional and shear waves.	2011-01-28
903	3C seismometers with hydrophone	Devices placed on the ground or seabed to measure physical movement of that substrate whilst simultanously measuring underwater acoutic signals. These are built of multiple motion sensors oriented in a tri-axial mode plus a hydrophone.	2011-01-28
369	Hydrophones	Devices containing transducers that convert underwater sound waves into electrical signals.	2011-01-28
901	Multiple streamers	An array of regularly spaced streamers towed behind a vessel listening the same source.	2011-01-28
368	Seismometers	Devices placed on the ground or seabed to measure physical movement of that substrate.	2011-01-28
900	Streamers	Individual marine cables incorporating regularly separated hydrophones, designed for continuous towing through the water. A streamer is neutrally buoyant and depth controllers are attached to depress the streamer to the proper towing depth.	2011-01-28