# 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 11:06:17 # original profile science log name: f8146.165.20220210T060720.science.mat # profile date(gmt): 10-Feb-2022 03:26:30 # profile lat: 19.452 # profile lon: -134.717 # profile number: 165 # 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 3.89000 23.22960 34.32980 23.36259 0.23332 0.00075 215.67631 100.92092 0.04275 -999.00000 -999.00000 -999.00000 -999.00000 9.24000 23.22980 34.32900 23.36224 0.20682 0.00072 215.56683 100.87420 0.04464 -999.00000 -999.00000 -999.00000 -999.00000 13.47000 23.23620 34.32930 23.36087 0.20619 0.00071 215.51579 100.85877 0.04432 -999.00000 -999.00000 -999.00000 -999.00000 17.16000 23.23770 34.32980 23.36103 0.21780 0.00075 215.50204 100.85423 0.04466 -999.00000 -999.00000 -999.00000 -999.00000 22.77000 23.23840 34.32920 23.36071 0.22538 0.00054 215.48460 100.84606 0.04761 -999.00000 -999.00000 -999.00000 -999.00000 28.82000 23.23960 34.32930 23.36082 0.24200 0.00055 215.46438 100.83804 0.04408 -999.00000 -999.00000 -999.00000 -999.00000 33.79000 23.23810 34.33240 23.36390 0.23172 0.00076 215.36317 100.79327 0.04381 -999.00000 -999.00000 -999.00000 -999.00000 38.20000 23.23970 34.33310 23.36423 0.21780 0.00070 215.22178 100.72611 0.04328 -999.00000 -999.00000 -999.00000 -999.00000 43.61000 23.23670 34.33850 23.36951 0.23411 0.00046 215.21932 100.72477 0.04183 -999.00000 -999.00000 -999.00000 -999.00000 49.07000 23.23590 34.35400 23.38180 0.26620 0.00060 215.18849 100.71723 0.04255 -999.00000 -999.00000 -999.00000 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