# 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 11:07:22 # original profile science log name: f8146.476.20220510T023850.science.mat # profile date(gmt): 09-May-2022 23:45:10 # profile lat: 21.0911 # profile lon: -136.421 # profile number: 476 # 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 3.77000 21.36810 34.52490 24.03579 0.20130 0.00062 236.12808 107.09364 -999.00000 8.56402 7.37133 10.05124 6.97325 8.72000 21.36250 34.52570 24.03820 0.22608 0.00071 238.07659 107.97510 -999.00000 7.38151 6.34747 -999.00000 4.80836 13.24000 21.36670 34.52440 24.03629 0.24200 0.00071 236.98599 107.48494 -999.00000 6.66799 5.75171 7.84894 3.55284 18.20000 21.36830 34.52460 24.03626 0.25019 0.00071 234.09320 106.17927 -999.00000 5.95220 5.15515 7.02680 2.57402 22.77000 21.37160 34.52670 24.03720 0.23768 0.00071 231.32187 104.92897 -999.00000 5.33914 4.64154 6.34717 1.85853 28.20000 21.37400 34.52530 24.03577 0.18473 0.00067 228.51456 103.65496 -999.00000 4.57747 4.00131 5.46497 1.30924 33.17000 21.37310 34.52880 24.03895 0.23352 0.00054 225.82186 102.43406 -999.00000 4.00292 3.51291 4.81115 0.92003 37.93000 21.36980 34.53090 24.04170 0.25775 0.00050 223.88448 101.55603 -999.00000 3.46563 3.05002 4.18479 0.66373 42.51000 21.37500 34.53280 24.04196 0.24942 0.00066 222.57599 100.96832 -999.00000 3.04312 2.68635 3.69960 0.48669 47.73000 21.37450 34.53470 24.04382 0.26620 0.00074 221.40318 100.43858 -999.00000 2.61749 2.31999 3.20395 0.34245 52.17000 21.37190 34.53490 24.04492 0.25915 0.00062 220.39835 100.00488 -999.00000 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