# 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 11:07:51 # original profile science log name: f8146.618.20220610T124532.science.mat # profile date(gmt): 09-Jun-2022 15:11:12 # profile lat: 22.0671 # profile lon: -137.3291 # profile number: 618 # 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 3.49000 22.16670 34.44490 23.75311 0.15330 0.00071 217.08440 99.80566 -999.00000 0.01805 -999.00000 -999.00000 -999.00000 8.27000 22.17080 34.44520 23.75245 0.16940 0.00050 216.81941 99.68799 -999.00000 0.01823 -999.00000 -999.00000 -999.00000 13.18000 22.17270 34.44400 23.75128 0.17714 0.00058 216.78191 99.66925 -999.00000 0.01843 -999.00000 -999.00000 -999.00000 18.18000 22.17440 34.44300 23.75032 0.18562 0.00062 217.03369 99.75511 -999.00000 0.01838 -999.00000 -999.00000 -999.00000 23.03000 22.12760 34.44630 23.76624 0.17755 0.00075 217.40177 99.86464 -999.00000 0.01736 -999.00000 -999.00000 -999.00000 27.78000 22.11650 34.44590 23.76932 0.17643 0.00074 217.79795 99.98479 -999.00000 0.01786 -999.00000 -999.00000 -999.00000 32.29000 22.06100 34.44710 23.78604 0.15822 0.00065 218.30939 100.10298 -999.00000 0.01781 -999.00000 -999.00000 -999.00000 38.24000 21.96400 34.46420 23.82649 0.20867 0.00083 218.85876 100.21343 -999.00000 0.01708 -999.00000 -999.00000 -999.00000 43.38000 21.89270 34.47150 23.85221 0.23374 0.00075 219.38929 100.29295 -999.00000 0.01700 -999.00000 -999.00000 -999.00000 48.07000 21.79600 34.48920 23.89282 0.22724 0.00073 219.94291 100.42232 -999.00000 0.01684 -999.00000 -999.00000 -999.00000 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