# 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 11:08:18 # original profile science log name: f8146.747.20220705T152328.science.mat # profile date(gmt): 05-Jul-2022 12:58:07 # profile lat: 22.243 # profile lon: -137.8088 # profile number: 747 # 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 3.17000 22.45190 34.52820 23.73578 0.16825 0.00150 217.70354 100.64269 -999.00000 5.10630 -999.00000 -999.00000 3.73636 8.21000 22.45210 34.52700 23.73510 0.20136 0.00137 217.53512 100.56264 -999.00000 4.52215 5.06817 4.82320 2.54116 12.92000 22.45160 34.52820 23.73642 0.19401 0.00145 217.36377 100.48585 -999.00000 3.97515 4.46485 4.17083 1.71177 17.64000 22.45200 34.52830 23.73665 0.22758 0.00156 217.17551 100.40040 -999.00000 3.39189 3.81881 3.50937 1.16542 22.93000 22.45680 34.52700 23.73460 0.19360 0.00167 217.17992 100.40327 -999.00000 2.86675 3.24147 2.93084 0.75836 28.03000 22.45730 34.52750 23.73514 0.20118 0.00144 217.56891 100.56501 -999.00000 2.44156 2.76701 2.45409 0.49274 33.06000 22.44450 34.52600 23.73791 0.21780 0.00166 218.63850 100.84084 -999.00000 2.08845 2.36746 2.05903 0.32715 37.88000 22.12870 34.57810 23.86681 0.21010 0.00154 219.91999 101.04948 -999.00000 1.81439 2.06485 1.76904 0.22439 42.91000 22.04370 34.59020 23.90012 0.20209 0.00136 220.06377 101.00357 -999.00000 1.53964 1.76602 1.50193 0.15641 47.47000 21.97830 34.59720 23.92399 0.23367 0.00128 220.05837 100.92962 -999.00000 1.33245 1.54418 1.30754 0.11615 52.35000 21.97270 34.60270 23.93000 0.24798 0.00150 219.98825 100.87602 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