# 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 11:07:29 # original profile science log name: f8146.509.20220519T053150.science.mat # profile date(gmt): 18-May-2022 08:32:52 # profile lat: 20.6735 # profile lon: -136.5565 # profile number: 509 # 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 3.61000 22.41220 34.28170 23.56006 0.21007 0.00067 212.46885 97.99729 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.46000 22.41490 34.28170 23.55957 0.14520 0.00063 211.31442 97.46753 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.48000 22.41550 34.28100 23.55909 0.16703 0.00067 210.76216 97.21244 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.80000 22.41810 34.27990 23.55782 0.20993 0.00058 210.39924 97.04384 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.72000 22.41430 34.28250 23.56115 0.18538 0.00063 210.27501 96.98388 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.43000 22.41260 34.28310 23.56236 0.17504 0.00071 210.70102 97.15736 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.30000 22.40280 34.28070 23.56370 0.21882 0.00077 213.89542 97.89231 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.37000 21.62890 34.47770 23.92984 0.24884 0.00087 216.12569 98.40559 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.03000 21.55350 34.54180 23.99969 0.25122 0.00088 216.36368 98.44845 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.20000 21.53020 34.54730 24.01057 0.24361 0.00071 216.57420 98.49836 -999.00000 -999.00000 -999.00000 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