# 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 11:05:50 # original profile science log name: f8146.040.20211130T110038.science.mat # profile date(gmt): 30-Nov-2021 07:59:28 # profile lat: 19.315 # profile lon: -138.2884 # profile number: 040 # 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 4.53000 24.42350 34.69910 23.29037 0.15275 0.00054 210.99180 101.00247 0.03843 -999.00000 -999.00000 -999.00000 -999.00000 9.88000 24.42710 34.69870 23.28933 0.13202 0.00046 211.03729 101.02558 0.03790 -999.00000 -999.00000 -999.00000 -999.00000 13.96000 24.42625 34.69915 23.29018 0.15071 0.00054 211.12978 101.06751 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.04000 24.42540 34.69960 23.29103 0.16940 0.00062 211.22226 101.10944 0.03711 -999.00000 -999.00000 -999.00000 -999.00000 22.34000 24.42230 34.70180 23.29390 0.14804 0.00078 211.80182 101.28659 0.03783 -999.00000 -999.00000 -999.00000 -999.00000 26.59000 24.35140 34.72390 23.33210 0.16363 0.00071 213.38497 101.48250 0.04054 -999.00000 -999.00000 -999.00000 -999.00000 31.66500 24.23658 34.76727 23.39917 0.17152 0.00070 213.73720 101.54815 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 36.74000 24.12175 34.81065 23.46624 0.17941 0.00070 214.08939 101.61365 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 41.81500 24.00693 34.85403 23.53331 0.18731 0.00069 214.44154 101.67902 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 46.89000 23.89210 34.89740 23.60038 0.19520 0.00068 214.79363 101.74425 -999.00000 -999.00000 -999.00000 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