# 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 11:07:34 # original profile science log name: f8146.533.20220528T065204.science.mat # profile date(gmt): 28-May-2022 03:55:44 # profile lat: 20.9197 # profile lon: -136.5449 # profile number: 533 # 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 4.00000 22.48490 34.27100 23.53138 0.16940 0.00104 217.31180 100.34460 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.05000 22.48070 34.27250 23.53399 0.16052 0.00077 216.96131 100.18287 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.33000 22.48340 34.27140 23.53263 0.16056 0.00050 216.71174 100.07103 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.20000 22.48760 34.27130 23.53164 0.17494 0.00063 216.67796 100.05904 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.35000 22.48600 34.27220 23.53301 0.14520 0.00068 216.73815 100.08576 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.63000 22.48400 34.26990 23.53221 0.14520 0.00066 216.79300 100.10552 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.92000 22.48340 34.27050 23.53313 0.18596 0.00073 216.78368 100.10155 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.72000 22.48580 34.27030 23.53252 0.23471 0.00066 216.70628 100.05370 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.03000 22.46500 34.26880 23.53757 0.24315 0.00083 217.15177 100.17421 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.14000 22.41300 34.27950 23.56074 0.30462 0.00083 218.94225 100.65023 -999.00000 -999.00000 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