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Concept

Acoustic backscatter in the water column

URI http://vocab.nerc.ac.uk/collection/P02/current/ASAM/2/
Within Vocab SeaDataNet Parameter Discovery Vocabulary
Alternative Labels Acc_bksctr
Definition Includes all parameters covering the strength of acoustic signal return, including absolute measurements of returning signal strength as well as parameters expressed as backscatter (the proportion of transmitted signal returned)
Date 2004-06-28T16:32:47
Identifier SDN:P02::ASAM
Note accepted
Is Version Of ASAM
Previous Version 1
version 2
Broader P03:D005 Acoustics
P22:28 Oceanographic geographical features
P05:014 oceans
D01:D0100001 Parameters
L19:005 theme
Narrower P04:G874 EARTH SCIENCE > Oceans > Ocean Acoustics > Acoustic Scattering
P64:G874 EARTH SCIENCE > Oceans > Ocean Acoustics > Acoustic Scattering
P09:SAMA SIGNAL RETURN AMPLITUDE
P01 BODC Parameter Usage Vocabulary - (26) [+]
P01:ACBSA150 Acoustic backscatter (absolute) in the water body by 150kHz broadband acoustic doppler current profiler (ADCP) and calibration using protocols of Deines (1999)
P01:ACBSA300 Acoustic backscatter (absolute) in the water body by 300kHz broadband acoustic doppler current profiler (ADCP) and calibration using protocols of Deines (1999)
P01:ACBSA600 Acoustic backscatter (absolute) in the water body by 600kHz broadband acoustic doppler current profiler (ADCP) and calibration using protocols of Deines (1999)
P01:ACBSA075 Acoustic backscatter (absolute) in the water body by 75kHz broadband acoustic doppler current profiler (ADCP)
P01:ACBSADCP Acoustic backscatter (absolute) in the water body by acoustic doppler current profiler (ADCP) and calibration using protocols of Deines (1999)
P01:ASAMSCAL Scaled signal return amplitude from the water body by lowered acoustic doppler current profiler (ADCP)
P01:SNOAW003 Signal return amplitude from the water body by acoustic doppler wave array beam 1
P01:ASAMACMX Signal return amplitude from the water body by in-situ acoustic current meter
P01:ASAMAP01 Signal return amplitude from the water body by moored acoustic doppler current profiler (ADCP)
P01:ASAMAPAV Signal return amplitude from the water body by moored acoustic doppler current profiler (ADCP) and averaging of all functional beams
P01:ASAMAP00 Signal return amplitude from the water body by moored acoustic doppler current profiler (ADCP) beam 1
P01:ASAMAP02 Signal return amplitude from the water body by moored acoustic doppler current profiler (ADCP) beam 2
P01:ASAMAP03 Signal return amplitude from the water body by moored acoustic doppler current profiler (ADCP) beam 3
P01:ASAMAP04 Signal return amplitude from the water body by moored acoustic doppler current profiler (ADCP) beam 4
P01:ASAMAS01 Signal return amplitude from the water body by shipborne acoustic doppler current profiler (ADCP)
P01:ASAMSP01 Signal return amplitude from the water body by shipborne acoustic doppler current profiler (ADCP)
P01:ASAMSP00 Signal return amplitude from the water body by shipborne acoustic doppler current profiler (ADCP) beam 1
P01:ASAMSP02 Signal return amplitude from the water body by shipborne acoustic doppler current profiler (ADCP) beam 2
P01:ASAMSP03 Signal return amplitude from the water body by shipborne acoustic doppler current profiler (ADCP) beam 3
P01:ASAMSP04 Signal return amplitude from the water body by shipborne acoustic doppler current profiler (ADCP) beam 4
P01:ASAMSTK1 Signal return amplitude from the water body by SonTek current meter beam 1
P01:ASAMSTK2 Signal return amplitude from the water body by SonTek current meter beam 2
P01:ASAMSTK3 Signal return amplitude from the water body by SonTek current meter beam 3
P01:ASAMSDK1 Signal return amplitude standard deviation from the water body by SonTek current meter beam 1
P01:ASAMSDK2 Signal return amplitude standard deviation from the water body by SonTek current meter beam 2
P01:ASAMSDK3 Signal return amplitude standard deviation from the water body by SonTek current meter beam 3

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