# 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 11:08:29 # original profile science log name: f8146.801.20220804T054406.science.mat # profile date(gmt): 04-Aug-2022 02:46:47 # profile lat: 21.3825 # profile lon: -136.2245 # profile number: 801 # 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 4.00000 23.35230 34.58820 23.52271 0.17695 0.00078 214.35447 100.67995 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.65000 23.34950 34.58920 23.52456 0.12913 0.00054 214.33280 100.64487 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.47000 23.31400 34.58850 23.53464 0.12913 0.00067 214.44810 100.62874 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.26000 23.26950 34.58680 23.54656 0.19360 0.00066 214.46513 100.58663 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.21000 23.26180 34.58760 23.54969 0.17757 0.00079 214.43234 100.56141 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.04000 23.25580 34.58770 23.55180 0.15252 0.00067 214.49351 100.58116 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.33000 23.25190 34.58770 23.55325 0.16940 0.00062 214.53251 100.58906 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.28000 23.24750 34.58570 23.55331 0.17719 0.00063 214.92203 100.72315 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.17000 23.18190 34.57980 23.56813 0.17600 0.00050 215.68418 100.96974 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.43000 23.13940 34.57410 23.57635 0.17633 0.00065 216.55802 101.22128 -999.00000 -999.00000 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