# 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 11:07:03 # original profile science log name: f8146.386.20220419T055152.science.mat # profile date(gmt): 19-Apr-2022 02:55:57 # profile lat: 20.9265 # profile lon: -135.9935 # profile number: 386 # 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 3.76000 22.56230 34.30930 23.53846 0.16151 0.00058 217.43813 100.56309 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.59000 22.55900 34.31080 23.54081 0.13612 0.00058 217.14265 100.42844 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.72000 22.56300 34.30840 23.53808 0.14110 0.00065 217.10220 100.40903 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.50000 22.55970 34.30800 23.53904 0.17087 0.00079 216.97415 100.34326 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.61000 22.55520 34.30710 23.53993 0.13914 0.00075 216.95092 100.31573 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.88000 22.53950 34.30620 23.54396 0.18905 0.00073 216.95922 100.29434 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.79000 22.52460 34.30500 23.54762 0.23403 0.00058 217.02862 100.28611 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.65000 22.50080 34.31510 23.56231 0.21780 0.00083 216.88836 100.15488 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.29000 22.42970 34.36290 23.61896 0.20177 0.00083 217.08627 100.20498 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.12000 22.42940 34.39530 23.64390 0.16100 0.00079 217.02938 100.19152 -999.00000 -999.00000 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