# 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 11:07:36 # original profile science log name: f8146.543.20220529T120254.science.mat # profile date(gmt): 29-May-2022 08:58:01 # profile lat: 21.0231 # profile lon: -136.5781 # profile number: 543 # 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 3.95000 22.41220 34.28250 23.56069 0.16940 0.00079 217.42810 100.28257 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.43000 22.41380 34.28320 23.56102 0.15926 0.00066 217.21336 100.18722 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.17000 22.41390 34.28380 23.56165 0.15724 0.00068 217.04527 100.11118 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.36000 22.41500 34.28330 23.56131 0.20073 0.00092 216.97390 100.07816 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.79000 22.41700 34.28250 23.56045 0.21780 0.00091 217.04336 100.10944 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.10000 22.41680 34.28260 23.56089 0.20251 0.00100 217.43012 100.26367 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.99000 22.39930 34.28830 23.57044 0.18852 0.00093 219.03998 100.64013 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.04000 21.97130 34.42080 23.79149 0.23317 0.00096 220.76318 100.97589 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.08000 21.85500 34.46970 23.86133 0.27783 0.00077 221.39082 101.09746 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 46.41000 21.74940 34.49190 23.90773 0.29621 0.00077 221.74292 101.11788 -999.00000 -999.00000 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