# 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 11:06:57 # original profile science log name: f8146.356.20220415T114558.science.mat # profile date(gmt): 15-Apr-2022 08:46:11 # profile lat: 20.9275 # profile lon: -135.9305 # profile number: 356 # 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 4.38000 22.53620 34.33290 23.56381 0.20927 0.00066 217.44678 100.54040 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.84000 22.53520 34.33110 23.56298 0.20912 0.00066 217.44040 100.53414 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.66000 22.53590 34.33260 23.56419 0.24200 0.00079 217.40032 100.52474 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.53000 22.54680 34.33180 23.56076 0.24200 0.00063 217.27160 100.47499 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.55000 22.54460 34.33310 23.56266 0.21895 0.00050 217.26394 100.47060 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.59000 22.54470 34.33140 23.56164 0.18563 0.00058 217.25845 100.46575 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.36000 22.54410 34.33270 23.56307 0.22695 0.00054 217.21585 100.44779 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.59000 22.54310 34.33290 23.56375 0.24200 0.00053 217.30028 100.48701 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.16000 22.54490 34.33090 23.56203 0.24912 0.00078 217.19593 100.43900 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.60000 22.54660 34.33040 23.56148 0.22967 0.00083 217.23159 100.45629 -999.00000 -999.00000 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