# 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 11:08:30 # original profile science log name: f8146.806.20220804T204856.science.mat # profile date(gmt): 04-Aug-2022 17:51:13 # profile lat: 21.2762 # profile lon: -136.1437 # profile number: 806 # 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 3.74000 23.37510 34.58800 23.51591 0.12100 0.00067 218.60148 102.70155 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.39000 23.28920 34.59060 23.54313 0.12100 0.00058 220.43121 103.47153 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.29000 23.27320 34.58890 23.54678 0.12855 0.00058 220.27985 103.36087 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.24000 23.26580 34.59060 23.55051 0.12980 0.00058 220.35747 103.38610 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.27000 23.26530 34.59080 23.55111 0.11232 0.00058 220.31415 103.36490 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.26000 23.26640 34.58910 23.54980 0.15305 0.00058 219.89163 103.16092 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.11000 23.26490 34.58930 23.55068 0.16210 0.00062 219.96736 103.17789 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.23000 23.26190 34.58830 23.55110 0.16834 0.00067 221.24487 103.75493 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.25000 23.24110 34.58760 23.55690 0.20279 0.00062 222.43744 104.21331 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.41000 23.15470 34.57910 23.57578 0.16940 0.00071 221.33805 103.44018 -999.00000 -999.00000 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