# 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 11:08:34 # original profile science log name: f8146.822.20220806T205300.science.mat # profile date(gmt): 06-Aug-2022 17:55:16 # profile lat: 20.8895 # profile lon: -135.8866 # profile number: 822 # 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 3.70000 23.37770 34.58840 23.51545 0.11984 0.00079 218.57188 102.71197 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.57000 23.35970 34.58990 23.52212 0.16133 0.00071 220.46777 103.57034 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.37000 23.31980 34.59090 23.53476 0.16798 0.00071 221.20672 103.86676 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.47000 23.29400 34.59010 23.54196 0.19480 0.00075 220.89529 103.68350 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.52000 23.28300 34.59210 23.54697 0.16041 0.00079 220.77718 103.61173 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.61000 23.28040 34.59150 23.54758 0.18578 0.00131 220.62013 103.52040 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.56000 23.28040 34.59080 23.54735 0.16128 0.00107 220.65821 103.53146 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.33000 23.27840 34.59100 23.54836 0.17084 0.00083 221.34342 103.84640 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.86000 23.27060 34.59250 23.55203 0.21072 0.00087 223.25623 104.71389 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.33000 23.24580 34.59200 23.55917 0.20881 0.00096 222.64454 104.32012 -999.00000 -999.00000 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