# 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 11:07:55 # original profile science log name: f8146.636.20220623T110016.science.mat # profile date(gmt): 23-Jun-2022 08:08:23 # profile lat: 22.491 # profile lon: -137.2356 # profile number: 636 # 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 3.53000 22.39060 34.47580 23.71342 0.14520 0.00058 217.30113 100.30971 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.49000 22.38860 34.47680 23.71503 0.13722 0.00067 217.09507 100.21346 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.34000 22.39130 34.47540 23.71347 0.13671 0.00079 217.02562 100.16439 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.27000 22.37530 34.47720 23.71964 0.16159 0.00063 217.21603 100.18752 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.15000 22.31280 34.47070 23.73264 0.15318 0.00046 217.50725 100.24761 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.84000 22.29890 34.47030 23.73653 0.16940 0.00054 217.50768 100.24094 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.91000 22.29420 34.47050 23.73829 0.16014 0.00080 217.48009 100.22067 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.09000 22.29370 34.46900 23.73753 0.15193 0.00082 217.52565 100.23358 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.84000 22.28610 34.46960 23.74045 0.16940 0.00046 217.84338 100.36411 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.68000 22.28160 34.46820 23.74093 0.19048 0.00057 219.52387 100.87218 -999.00000 -999.00000 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