# APEX float data from float 8146 (PI: Angelicque White, University of Hawaii) deployed during the Grandients 4 cruise (TN397) in Nov 2021 at ~20N/140W (float is still transmitting data) # Designed float mission: a repeated sequence of burst sampling (~6 profiles/day) of the top 200m for ~ 4-7 days, followed by daily profiles for ~10-14 days # DATA ARE PROVISIONAL AND WILL BE ALTERED AS MORE PROFILES ARE ADDED (eg. drift correction of sensors will likely be performed in the near future) # For questions about float data, please inquire Fernanda Henderikx (fhenderi@hawaii.edu) # date of file creation: 15-Aug-2022 11:06:50 # original profile science log name: f8146.325.20220330T054504.science.mat # profile date(gmt): 30-Mar-2022 02:28:26 # profile lat: 20.5959 # profile lon: -135.4061 # profile number: 325 # Instruments on APEX: SBE41 (ctd), BBFL2 (chl,bbp), C-ROVER (beam attenuation), CRV2K (downwelling irradiance), Aandera 4330 (oxygen) # Applied corrections/calibrations: # chl: counts converted to mg/m3 using factory calibrationsand deep chl values # bbp: vol. scatt. converted to particle backsttering coefficient (bbp) using betasw of Zhang et al (2009) and Xi from Boss and Pegau (2001) # irradiance data: data were qa/qc following protocols of Organelli et al (2016), JTECH # oxygen optode data: salinity and pressure compensation corrections applied using ctd data according to Aandera manual, and air calibrations/Gain corrections following Bushinsky et al (2016) # flag or NaN value: -999 # pressure,temperature,salinity,sigma0,chl,bbp(650nm),[O2],O2sat,particulateBeamAttenuation(650nm),IrradianceCh1,IrradianceCh2,IrradianceCh3,IrradianceCh4 # dbar,degC,psu,kg/m3,mg/m3,1/m,uM/kg,percentsat,1/m,uW/cm2/nm,uW/cm2/nm,uW/cm2/nm,uW/cm2/nm 3.92000 23.05720 34.28390 23.37761 0.21716 0.00054 216.33113 100.89745 -999.00000 0.01881 -999.00000 -999.00000 -999.00000 8.85000 23.05680 34.28520 23.37900 0.25635 0.00066 216.32470 100.89803 -999.00000 0.01933 -999.00000 -999.00000 -999.00000 12.70000 23.05890 34.28490 23.37839 0.24747 0.00061 216.25609 100.86847 -999.00000 0.01891 -999.00000 -999.00000 -999.00000 19.43000 23.06420 34.28370 23.37635 0.25874 0.00059 216.13399 100.81638 -999.00000 0.01762 -999.00000 -999.00000 -999.00000 24.36000 23.06470 34.28550 23.37787 0.24993 0.00046 216.04152 100.78041 -999.00000 0.01798 -999.00000 -999.00000 -999.00000 29.08000 23.07040 34.28270 23.37440 0.24937 0.00075 216.05794 100.79208 -999.00000 0.01838 -999.00000 -999.00000 -999.00000 33.60000 23.07270 34.28260 23.37392 0.24027 0.00076 215.94188 100.74505 -999.00000 0.01742 -999.00000 -999.00000 -999.00000 38.59000 23.07810 34.28770 23.37653 0.25541 0.00058 215.83457 100.70869 -999.00000 0.01780 -999.00000 -999.00000 -999.00000 41.83000 23.08090 34.28760 23.37583 0.22394 0.00062 215.81904 100.70405 -999.00000 0.01776 -999.00000 -999.00000 -999.00000 47.82000 23.08540 34.29140 23.37776 0.24853 0.00071 215.76904 100.69340 -999.00000 0.01783 -999.00000 -999.00000 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