# 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 11:07:35 # original profile science log name: f8146.535.20220528T115226.science.mat # profile date(gmt): 28-May-2022 09:25:29 # profile lat: 20.9313 # profile lon: -136.5419 # profile number: 535 # 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 3.55000 22.44390 34.27320 23.54464 0.16053 0.00071 217.21455 100.23189 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.43000 22.44440 34.27290 23.54454 0.18043 0.00078 216.88929 100.08405 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 11.37000 22.44750 34.27140 23.54269 0.17994 0.00086 216.79473 100.04045 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.72000 22.44400 34.27320 23.54546 0.19475 0.00088 216.82078 100.05077 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.76000 22.44980 34.27100 23.54244 0.18738 0.00075 217.55318 100.29525 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.27000 22.32940 34.30670 23.60381 0.27393 0.00083 218.84097 100.63107 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.11000 22.11800 34.36880 23.71068 0.27525 0.00079 219.88065 100.80803 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.22000 21.92660 34.44340 23.82114 0.25810 0.00075 220.78031 100.99107 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.03000 21.83420 34.48920 23.88193 0.29869 0.00079 221.45708 101.09806 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.70000 21.62690 34.54000 23.97829 0.29784 0.00071 222.18681 101.22858 -999.00000 -999.00000 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