URI 
http://vocab.nerc.ac.uk/collection/P02/current/ATTN/ 
Within Vocab 
SeaDataNet Parameter Discovery Vocabulary 
Alternative Labels 
WC_Trans+Attn

Definition 
Parameters relating to the rate of electromagnetic radiation intensity decrease as it travels through the water column 
Date 
20071121T16:25:2 
Identifier 
SDN:P02::ATTN 
Note 
accepted 
Has Current Version 
2 
Version 
1

version 
2 
inScheme 
http://vocab.nerc.ac.uk/scheme/EDMED_DCAT_THEMES/current/ 
Same As

P04:G683 
EARTH SCIENCE > Hydrosphere > Water Quality/Water Chemistry > Light Transmission 
Mapping: 437 
Broader

P22:28 
Oceanographic geographical features 
Mapping: 172485 
 P05:014 
oceans 
Mapping: 33124 
 P03:D015 
Optical properties 
Mapping: 2032 
 D01:D0100001 
Parameters 
Mapping: 1392716 
 L19:005 
theme 
Mapping: 206347 
Narrower

P04:G942 
EARTH SCIENCE > Oceans > Ocean Optics > Attenuation/Transmission 
Mapping: 848 
 P64:G942 
EARTH SCIENCE > Oceans > Ocean Optics > Attenuation/Transmission 
Mapping: 502164 
 P07:CFSN0066 
volume_beam_attenuation_coefficient_of_radiative_flux_in_sea_water 
Mapping: 32233 
 P09:TB25 
BLUE LIGHT TRANSMISSION 25CM 
Mapping: 167838 
 P09:TUR2 
LIGHT ATTENUATION COEFFICIENT 
Mapping: 111933 
 P09:TUR3 
LIGHT TRANSMISSION 
Mapping: 111802 
 P09:TUR0 
LIGHT TRANSMISSION  NOT USED 
Mapping: 111801 
 P09:TR10 
RED LIGHT TRANSMISSION 10CM 
Mapping: 167840 
 P09:TR25 
RED LIGHT TRANSMISSION 25CM 
Mapping: 167839 
 P01:ATT412AC 
Attenuation (412nm wavelength) per unit length of the water body by transmissometer and calibration to read zero in clear water 
Mapping: 368218 
 P01:ATT480AC 
Attenuation (440nm wavelength) per unit length of the water body by transmissometer and calibration to read zero in clear water 
Mapping: 368426 
 P01:ATT488AC 
Attenuation (488nm wavelength) per unit length of the water body by transmissometer and calibration to read zero in clear water 
Mapping: 368798 
 P01:ATT510AC 
Attenuation (510nm wavelength) per unit length of the water body by transmissometer and calibration to read zero in clear water 
Mapping: 369442 
 P01:ATT532AC 
Attenuation (532nm wavelength) per unit length of the water body by transmissometer and calibration to read zero in clear water 
Mapping: 369446 
 P01:ATT555AC 
Attenuation (555nm wavelength) per unit length of the water body by transmissometer and calibration to read zero in clear water 
Mapping: 369010 
 P01:ATT650AC 
Attenuation (650nm wavelength) per unit length of the water body by transmissometer and calibration to read zero in clear water 
Mapping: 369222 
 P01:ATT676AC 
Attenuation (676nm wavelength) per unit length of the water body by transmissometer and calibration to read zero in clear water 
Mapping: 372358 
 P01:ATT715AC 
Attenuation (715nm wavelength) per unit length of the water body by transmissometer and calibration to read zero in clear water 
Mapping: 372874 
 P01:ATTNMB01 
Attenuation (blue light wavelength) per unit length of the water body by 20 or 25cm path length transmissometer 
Mapping: 361214 
 P01:ATTNMG01 
Attenuation (green light wavelength) per unit length of the water body by 20 or 25cm path length transmissometer 
Mapping: 361210 
 P01:ATTNLR01 
Attenuation (red light wavelength) per unit length of the water body by 1m path length transmissometer 
Mapping: 361206 
 P01:ATTNLS01 
Attenuation (red light wavelength) per unit length of the water body by 2.5cm path length transmissometer 
Mapping: 425654 
 P01:ATTNMR01 
Attenuation (red light wavelength) per unit length of the water body by 20 or 25cm path length transmissometer 
Mapping: 361202 
 P01:ATTNMR02 
Attenuation (red light wavelength) per unit length of the water body by 20 or 25cm path length transmissometer (second sensor) 
Mapping: 370146 
 P01:ATTNDR01 
Attenuation (red light wavelength) per unit length of the water body by 25cm path length red light transmissometer 
Mapping: 457994 
 P01:ATTNSR01 
Attenuation (red light wavelength) per unit length of the water body by 5 or 10cm path length transmissometer 
Mapping: 380358 
 P01:ATTNZR01 
Attenuation (red light wavelength) per unit length of the water body by transmissometer 
Mapping: 358690 
 P01:ATTNZR02 
Attenuation (red light wavelength) per unit length of the water body by transmissometer (second sensor) 
Mapping: 373318 
 P01:ATTNMS01 
Attenuation (red light wavelength) per unit length of the water body by WET Labs 25cm path length transmissometer and calibration to read zero in clear water 
Mapping: 392002 
 P01:ATTNZS02 
Attenuation (red light wavelength) per unit length of the water body by WET Labs transmissometer (second sensor) and calibration to read zero in clear water 
Mapping: 391998 
 P01:ATTNZS01 
Attenuation (red light wavelength) per unit length of the water body by WET Labs transmissometer and calibration to read zero in clear water 
Mapping: 375222 
 P01:ATNLTU01 
Attenuation (unspecified single wavelength) per unit length of the water body [dissolved plus reactive particulate <0.2um phase] by transmissometer and calibration to read zero in clear water 
Mapping: 447566 
 P01:ATTNXAC9 
Attenuation (unspecified single wavelength) per unit length of the water body by transmissometer and calibration to read zero in clear water 
Mapping: 433794 
 P01:ATTNXXZZ 
Attenuation (unspecified wavelength) per unit length of the water body 
Mapping: 811370 
 P01:ATTNUN25 
Attenuation (unspecified wavelength) per unit length of the water body by 25cm path length transmissometer 
Mapping: 443418 
 P01:ATTNTZ01 
Attenuation (unspecified wavelength) per unit length of the water body by 30cm path length transparency meter 
Mapping: 362970 
 P01:ATTNPT10 
Attenuation (unspecified wavelength) per unit length of the water body by Partech 10cm path length transmissometer 
Mapping: 395790 
 P01:ATTNZZ01 
Attenuation (unspecified wavelength) per unit length of the water body by transmissometer 
Mapping: 428478 
 P01:ATTNMP03 
Attenuation of electromagnetic radiation (490nm wavelength) per unit length of the sediment pore water by model prediction 
Mapping: 1718758 
 P01:ATTNMP01 
Attenuation of electromagnetic radiation (490nm wavelength) per unit length of the water body by model prediction 
Mapping: 1710298 
 P01:ATTNMP02 
Attenuation of electromagnetic radiation (490nm wavelength) per unit length of the water body by model prediction of Moderate Resolution Imaging Spectroradiometer (MODIS) output 
Mapping: 1710302 
 P01:ATSDSR01 
Attenuation standard deviation (red light wavelength) per unit length of the water body by 10cm path length red light transmissometer 
Mapping: 458010 
 P01:ATSDMR01 
Attenuation standard deviation (red light wavelength) per unit length of the water body by 20 or 25cm path length transmissometer 
Mapping: 395994 
 P01:ATSDDR01 
Attenuation standard deviation (red light wavelength) per unit length of the water body by 25cm path length red light transmissometer 
Mapping: 457998 
 P01:ATTNSDC9 
Attenuation standard deviation (unspecified single wavelength) per unit length of the water body by transmissometer and calibration to read zero in clear water 
Mapping: 1528796 
 P01:POATPR01 
Potential attenuance (red light wavelength) per unit length of the water body by transmissometer 
Mapping: 396354 
 P01:POATCV02 
Potential attenuance (unspecified wavelength) per unit length of the water body by transmissometer (second sensor) and computation using PEXEC algorithm 
Mapping: 373502 
 P01:POATCV01 
Potential attenuance (unspecified wavelength) per unit length of the water body by transmissometer and computation using PEXEC algorithm 
Mapping: 361610 
 P01:POATCX01 
Potential attenuance (unspecified wavelength) per unit length of the water body by transmissometer and empirical correction for optics fouling and Saunders compressibility correction 
Mapping: 396370 
 P01:PPOPPR01 
Potential transmittance (red light wavelength) per unit length of the water body by red light transmissometer and correction to a path length of 1m and for seawater compressibility 
Mapping: 396350 
 P01:PPOPCV01 
Potential transmittance (unspecified wavelength) per unit length of the water body by transmissometer and correction to a path length of 1m and for seawater compressibility 
Mapping: 361226 
 P01:PPOPZZ01 
Potential transmittance (unspecified wavelength) per unspecified length of the water body by transmissometer and correction for seawater compressibility 
Mapping: 396346 
 P01:POPTDB01 
Transmittance (blue light wavelength) per 25cm of the water body by 25cm path length blue light transmissometer 
Mapping: 383234 
 P01:POPTSR01 
Transmittance (red light wavelength) per 10cm of the water body by 10cm path length red light transmissometer 
Mapping: 397622 
 P01:POPTDR01 
Transmittance (red light wavelength) per 25cm of the water body by 25cm path length red light transmissometer 
Mapping: 396334 
 P01:OPTCPS01 
Transmittance (red light wavelength) per unit length of the water body 
Mapping: 1365120 
 P01:POPTPR01 
Transmittance (red light wavelength) per unit length of the water body by red light transmissometer and correction to a path length of 1m 
Mapping: 362990 
 P01:OPTCPSZR 
Transmittance (unspecified wavelength) per unit length of the water body by insitu particle sizer and correction to a path length of 1m 
Mapping: 439926 
 P01:POPTPZ01 
Transmittance (unspecified wavelength) per unit length of the water body by transmissometer and correction to a path length of 1m 
Mapping: 396178 
 P01:POPTZZ01 
Transmittance (unspecified wavelength) per unspecified length of the water body by transmissometer 
Mapping: 358838 
 P01:POSDSR01 
Transmittance standard deviation (red light wavelength) per 10cm of the water body by 10cm path length red light transmissometer 
Mapping: 458014 
 P01:POPTSD01 
Transmittance standard deviation (red light wavelength) per 25cm of the water body by 25cm path length red light transmissometer 
Mapping: 439430 
 P01:HTWBMP01 
Vertical attenuation of heat per unit length of the water body by model prediction 
Mapping: 1718936 
 P01:HTWSMP01 
Vertical attenuation of heat per unit length of the wet sediment by model prediction 
Mapping: 1718940 