# 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 11:08:17 # original profile science log name: f8146.744.20220705T080058.science.mat # profile date(gmt): 05-Jul-2022 05:37:03 # profile lat: 22.2758 # profile lon: -137.8218 # profile number: 744 # 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 3.29000 22.49190 34.52550 23.72239 0.21034 0.00162 217.16797 100.46708 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.40000 22.49910 34.52410 23.71958 0.21222 0.00150 216.83497 100.31660 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.43000 22.49840 34.52460 23.72038 0.22957 0.00161 216.79476 100.29615 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.66000 22.49420 34.52480 23.72208 0.19360 0.00166 216.98541 100.36665 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.80000 22.48150 34.52320 23.72477 0.21081 0.00158 217.82782 100.62494 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.30000 22.33570 34.53950 23.77867 0.25008 0.00153 219.20742 100.92927 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.01000 22.05090 34.60090 23.90567 0.25834 0.00149 219.96841 100.99057 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.77000 21.99930 34.59450 23.91553 0.24976 0.00154 220.22360 101.02710 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.76000 21.97130 34.60810 23.93396 0.25046 0.00145 220.23345 101.01131 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.68000 21.97580 34.61050 23.93480 0.21034 0.00149 220.27543 101.01018 -999.00000 -999.00000 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