# 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 11:05:47 # original profile science log name: f8146.024.20211128T111508.science.mat # profile date(gmt): 28-Nov-2021 08:52:16 # profile lat: 19.3378 # profile lon: -138.4367 # profile number: 024 # 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 2.89000 23.90110 34.86040 23.56775 0.15721 0.00064 212.54240 100.95730 0.03825 -999.00000 -999.00000 -999.00000 -999.00000 6.74000 23.90560 34.85820 23.56499 0.16049 0.00058 212.62255 100.99769 0.03856 -999.00000 -999.00000 -999.00000 -999.00000 12.14250 23.87063 34.87265 23.58658 0.15305 0.00060 213.02667 101.09414 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.54500 23.83565 34.88710 23.60817 0.14561 0.00062 213.43076 101.19040 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.94750 23.80067 34.90155 23.62977 0.13816 0.00064 213.83484 101.28647 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.35000 23.76570 34.91600 23.65136 0.13072 0.00066 214.23891 101.38236 0.03887 -999.00000 -999.00000 -999.00000 -999.00000 33.01000 23.53840 34.99860 23.78095 0.14520 0.00064 215.19162 101.56616 0.03887 -999.00000 -999.00000 -999.00000 -999.00000 37.22000 23.42140 35.04590 23.85124 0.16460 0.00061 215.58652 101.67175 0.03862 -999.00000 -999.00000 -999.00000 -999.00000 42.01000 23.40500 35.06050 23.86737 0.19360 0.00057 215.75291 101.74535 0.03837 -999.00000 -999.00000 -999.00000 -999.00000 46.32000 23.40800 35.06340 23.86895 0.19360 0.00067 215.80436 101.77069 0.03921 -999.00000 -999.00000 -999.00000 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