# 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 11:06:58 # original profile science log name: f8146.363.20220416T085936.science.mat # profile date(gmt): 16-Apr-2022 05:58:28 # profile lat: 20.9223 # profile lon: -135.9566 # profile number: 363 # 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 3.59000 22.42520 34.28910 23.56200 0.16950 0.00067 218.26850 100.69799 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.37000 22.42640 34.28990 23.56254 0.21780 0.00083 218.05303 100.60172 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.66000 22.42820 34.28880 23.56143 0.20830 0.00078 217.89868 100.53094 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 16.61000 22.42790 34.28960 23.56234 0.18309 0.00073 217.87266 100.52034 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.98000 22.42970 34.28850 23.56142 0.12930 0.00079 217.99436 100.57708 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.85000 22.43200 34.28790 23.56060 0.16958 0.00056 217.99243 100.57610 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 31.51000 22.43070 34.28790 23.56112 0.20766 0.00049 217.92771 100.54692 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.15000 22.43250 34.28890 23.56180 0.17791 0.00063 217.79699 100.49232 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.70000 22.43410 34.28820 23.56107 0.20960 0.00079 217.87416 100.52945 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.54000 22.43730 34.28810 23.56036 0.18421 0.00090 217.90708 100.54780 -999.00000 -999.00000 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