# 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 11:07:45 # original profile science log name: f8146.584.20220603T115620.science.mat # profile date(gmt): 03-Jun-2022 09:01:22 # profile lat: 21.629 # profile lon: -136.7921 # profile number: 584 # 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 22.51080 34.30020 23.54617 0.16072 0.00066 215.91586 99.77011 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.15000 22.51640 34.29880 23.54377 0.15302 0.00062 215.54000 99.60113 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.10000 22.51670 34.29930 23.54434 0.16940 0.00081 215.33559 99.50712 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.17000 22.51560 34.29920 23.54481 0.17552 0.00092 215.36233 99.51895 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.50000 22.51710 34.29990 23.54527 0.16829 0.00079 215.39751 99.53819 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.09000 22.51830 34.29900 23.54452 0.13649 0.00067 215.41064 99.54398 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.09000 22.51750 34.30020 23.54595 0.16940 0.00062 215.45769 99.56589 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.80000 22.51880 34.29980 23.54560 0.16940 0.00071 216.17148 99.81939 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.07000 22.47660 34.30230 23.55976 0.18926 0.00071 218.37431 100.32993 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.97000 21.97540 34.39180 23.76887 0.20387 0.00067 219.97915 100.55635 -999.00000 -999.00000 -999.00000 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