# 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 11:07:08 # original profile science log name: f8146.406.20220421T161420.science.mat # profile date(gmt): 21-Apr-2022 13:15:15 # profile lat: 20.9176 # profile lon: -136.0994 # profile number: 406 # 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 3.97000 22.37760 34.41250 23.66910 0.14061 0.00066 222.65296 102.71721 -999.00000 6.73399 10.34221 10.18775 9.25186 6.66000 22.37450 34.41360 23.67096 0.13213 0.00071 222.77447 102.77510 -999.00000 5.92732 9.12101 8.92398 7.18854 12.52000 22.37995 34.41310 23.66937 0.14532 0.00069 220.93990 101.93473 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.38000 22.38540 34.41260 23.66778 0.15851 0.00067 219.10531 101.09427 -999.00000 3.63546 5.71381 5.46458 2.51740 24.12000 22.37890 34.41430 23.67123 0.16545 0.00063 216.99578 100.11774 -999.00000 2.60289 4.11826 3.88520 1.34874 28.12000 22.38240 34.41390 23.67018 0.12800 0.00071 215.87450 99.60412 -999.00000 2.17645 3.46549 3.23752 0.92576 33.65000 22.38700 34.41250 23.66813 0.14520 0.00071 215.33446 99.35904 -999.00000 1.79221 2.87261 2.65079 0.59319 38.62000 22.38750 34.41400 23.66941 0.15834 0.00071 214.40529 98.93266 -999.00000 1.56146 2.51526 2.30534 0.42110 41.50000 22.38760 34.41310 23.66886 0.16940 0.00071 214.07417 98.77927 -999.00000 1.43183 2.31739 2.12080 0.34667 48.76000 22.38880 34.41400 23.66960 0.15436 0.00067 213.26068 98.40680 -999.00000 1.09200 1.79233 1.63357 0.19941 53.91000 22.39050 34.41280 23.66850 0.13542 0.00058 212.67491 98.13592 -999.00000 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