# 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 11:08:36 # original profile science log name: f8146.835.20220808T112420.science.mat # profile date(gmt): 08-Aug-2022 08:58:16 # profile lat: 20.5639 # profile lon: -135.7869 # profile number: 835 # 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 3.02000 23.38200 34.59450 23.51878 0.18526 0.00079 213.02063 100.11372 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.66000 23.38290 34.59320 23.51781 0.17676 0.00082 212.83305 100.02511 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.92000 23.38260 34.59530 23.51980 0.20273 0.00103 212.74854 99.98985 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.16000 23.38480 34.59430 23.51866 0.21780 0.00099 212.74050 99.98676 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.88000 23.38650 34.59340 23.51783 0.21780 0.00097 212.79166 100.01139 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.52000 23.38770 34.59340 23.51782 0.22709 0.00080 212.80576 100.01860 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.61000 23.38800 34.59340 23.51798 0.22907 0.00096 212.97906 100.09191 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.30000 23.37880 34.59420 23.52161 0.20238 0.00100 213.70155 100.30370 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.57000 23.22600 34.58190 23.55692 0.24634 0.00103 214.71021 100.47766 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 46.64000 23.05210 34.58770 23.61182 0.27133 0.00096 215.17398 100.50571 -999.00000 -999.00000 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