# 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 11:06:17 # original profile science log name: f8146.167.20220210T114234.science.mat # profile date(gmt): 10-Feb-2022 09:09:42 # profile lat: 19.4528 # profile lon: -134.7077 # profile number: 167 # 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 4.06000 23.21460 34.32550 23.36368 0.21780 0.00066 215.41680 100.76933 0.04119 -999.00000 -999.00000 -999.00000 -999.00000 8.74000 23.21560 34.32550 23.36367 0.20834 0.00068 215.44829 100.78595 0.04073 -999.00000 -999.00000 -999.00000 -999.00000 13.65000 23.21450 34.32650 23.36504 0.18314 0.00067 215.40182 100.76836 0.04008 -999.00000 -999.00000 -999.00000 -999.00000 18.01000 23.22000 34.32580 23.36317 0.16940 0.00063 215.27184 100.71087 0.04082 -999.00000 -999.00000 -999.00000 -999.00000 22.12000 23.22070 34.32540 23.36292 0.18321 0.00073 215.29000 100.72095 0.03903 -999.00000 -999.00000 -999.00000 -999.00000 28.85000 23.22230 34.32670 23.36386 0.20902 0.00050 215.31975 100.73900 0.04008 -999.00000 -999.00000 -999.00000 -999.00000 34.06000 23.22270 34.32750 23.36466 0.19360 0.00053 215.16781 100.68123 0.04101 -999.00000 -999.00000 -999.00000 -999.00000 38.67000 23.23780 34.33960 23.36973 0.22233 0.00046 215.10868 100.67880 0.04115 -999.00000 -999.00000 -999.00000 -999.00000 43.40000 23.24250 34.34990 23.37645 0.28618 0.00046 215.03219 100.64834 0.04037 -999.00000 -999.00000 -999.00000 -999.00000 48.05000 23.23500 34.37000 23.39412 0.30664 0.00046 214.94039 100.61232 0.03918 -999.00000 -999.00000 -999.00000 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