# 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 11:07:32 # original profile science log name: f8146.521.20220526T194948.science.mat # profile date(gmt): 26-May-2022 17:22:53 # profile lat: 20.8223 # profile lon: -136.5453 # profile number: 521 # 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 3.69000 22.49840 34.26960 23.52648 0.06481 0.00063 230.83903 106.64107 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.41000 22.47090 34.26810 23.53340 0.10430 0.00071 234.51758 108.29407 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.49000 22.44590 34.26860 23.54114 0.10554 0.00067 235.28885 108.61255 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.33000 22.44470 34.26660 23.54023 0.09847 0.00063 233.86526 107.93837 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.82000 22.43820 34.26740 23.54294 0.14520 0.00067 232.07893 107.09578 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.80000 22.43590 34.26840 23.54464 0.16963 0.00071 228.35549 105.36330 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.30000 22.42550 34.26835 23.54785 0.19805 0.00081 229.60570 105.81545 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.80000 22.41510 34.26830 23.55107 0.22646 0.00091 230.85590 106.26654 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.55000 22.17310 34.35000 23.68152 0.28452 0.00074 233.80711 106.90973 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.83000 21.54410 34.54000 24.00117 0.20867 0.00062 232.82055 105.91601 -999.00000 -999.00000 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