# 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 11:07:06 # original profile science log name: f8146.400.20220420T221018.science.mat # profile date(gmt): 20-Apr-2022 19:15:17 # profile lat: 20.9326 # profile lon: -136.0479 # profile number: 400 # 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 3.85000 22.56370 34.32810 23.55232 0.06520 0.00058 242.87501 112.37598 -999.00000 46.42074 72.07295 -999.00000 67.13445 8.46000 22.55560 34.32870 23.55534 0.09680 0.00054 255.21237 118.06993 -999.00000 46.20062 72.73000 -999.00000 56.21543 13.55000 22.52870 34.33050 23.56463 0.10439 0.00042 257.93166 119.26897 -999.00000 36.13226 57.39736 -999.00000 33.98736 18.65000 22.51350 34.33270 23.57090 0.12100 0.00046 253.09376 116.96835 -999.00000 31.41115 50.39256 -999.00000 23.48412 23.55000 22.47190 34.34990 23.59602 0.12879 0.00071 249.71849 115.33748 -999.00000 28.65302 46.43944 -999.00000 16.90266 28.52000 22.43870 34.39150 23.63728 0.14520 0.00075 240.92785 111.25823 -999.00000 25.50823 41.72988 -999.00000 12.10103 33.21000 22.42820 34.40630 23.65174 0.13048 0.00076 239.57780 110.62591 -999.00000 21.66699 35.79409 -999.00000 8.26656 38.47000 22.41950 34.41300 23.65959 0.11401 0.00067 237.52623 109.66412 -999.00000 17.39623 29.02979 -999.00000 5.29685 42.97000 22.41410 34.41390 23.66205 0.14520 0.00070 235.51550 108.72365 -999.00000 14.76418 24.87110 -999.00000 3.69871 47.56000 22.40990 34.41380 23.66342 0.16530 0.00049 235.31987 108.61546 -999.00000 12.66786 21.52700 -999.00000 2.63618 53.34000 22.39760 34.41340 23.66692 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