# 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 11:07:48 # original profile science log name: f8146.600.20220605T081934.science.mat # profile date(gmt): 05-Jun-2022 05:50:50 # profile lat: 21.8946 # profile lon: -136.9338 # profile number: 600 # 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 4.14000 22.48230 34.31160 23.56292 0.20890 0.00079 213.34252 98.54171 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.20000 22.49140 34.31200 23.56093 0.21744 0.00083 213.06163 98.42086 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.93000 22.49010 34.31040 23.56035 0.16940 0.00068 213.03236 98.41174 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.00000 22.49630 34.31130 23.55950 0.16137 0.00083 213.02018 98.41326 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.82000 22.50020 34.30980 23.55754 0.15304 0.00087 213.07652 98.44054 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.76000 22.50060 34.31040 23.55817 0.16940 0.00086 213.07793 98.44036 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.67000 22.50140 34.30950 23.55760 0.20007 0.00062 213.52214 98.59473 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.72000 22.49110 34.30900 23.56043 0.25859 0.00079 214.65883 98.80303 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.81000 22.02680 34.40740 23.76612 0.24200 0.00082 215.94518 98.94376 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.32000 21.97010 34.45630 23.81934 0.24993 0.00062 216.57690 98.99536 -999.00000 -999.00000 -999.00000 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