# 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 11:07:40 # original profile science log name: f8146.559.20220531T104354.science.mat # profile date(gmt): 31-May-2022 08:18:27 # profile lat: 21.2178 # profile lon: -136.6539 # profile number: 559 # 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 3.51000 22.49130 34.29690 23.54919 0.16940 0.00066 215.84123 99.69664 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.41000 22.49070 34.29730 23.54994 0.15245 0.00079 215.56808 99.57123 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.98000 22.49170 34.29640 23.54922 0.13550 0.00078 215.41821 99.50048 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.32000 22.49080 34.29510 23.54879 0.18550 0.00091 215.41783 99.49945 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.13000 22.49160 34.29740 23.55059 0.19649 0.00080 215.32918 99.45974 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.58000 22.49260 34.29690 23.55024 0.15307 0.00071 215.54061 99.54142 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.50000 22.48630 34.29480 23.55072 0.17998 0.00071 216.69927 99.94509 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.08000 22.38390 34.30510 23.58771 0.20208 0.00071 218.22188 100.24989 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 41.50000 21.91780 34.46500 23.84018 0.22542 0.00071 219.72486 100.46214 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 46.58000 21.78430 34.49340 23.89919 0.24200 0.00074 220.11129 100.40602 -999.00000 -999.00000 -999.00000 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