# 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 11:08:20 # original profile science log name: f8146.755.20220706T114304.science.mat # profile date(gmt): 06-Jul-2022 09:18:17 # profile lat: 22.1876 # profile lon: -137.762 # profile number: 755 # 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 3.20000 22.49200 34.53400 23.72881 0.21780 0.00158 217.33803 100.54723 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.97000 22.49350 34.53400 23.72865 0.21010 0.00154 217.12639 100.45217 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.00000 22.49730 34.53420 23.72801 0.18571 0.00149 217.15114 100.46312 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.83000 22.49010 34.53480 23.73078 0.20618 0.00150 217.20392 100.47228 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.91000 22.48080 34.53190 23.73151 0.25991 0.00148 217.26451 100.46058 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.99000 22.44540 34.53190 23.74184 0.20102 0.00175 217.65566 100.58745 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.13000 22.42550 34.53300 23.74861 0.23349 0.00154 218.43987 100.86736 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.90000 22.36380 34.53860 23.77059 0.24832 0.00154 219.75094 101.22927 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.23000 22.12540 34.58240 23.87124 0.22648 0.00166 220.76774 101.44475 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 46.69000 22.05680 34.58440 23.89225 0.23338 0.00162 220.92117 101.43964 -999.00000 -999.00000 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