# 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 11:07:57 # original profile science log name: f8146.644.20220624T090524.science.mat # profile date(gmt): 24-Jun-2022 06:14:09 # profile lat: 22.5974 # profile lon: -137.2357 # profile number: 644 # 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 3.36000 22.36360 34.47750 23.72234 0.13686 0.00046 214.48855 98.96854 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.00000 22.36440 34.47630 23.72146 0.12874 0.00054 214.13675 98.80564 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.00000 22.36390 34.47830 23.72340 0.15221 0.00071 213.99716 98.73779 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.52000 22.35510 34.47650 23.72483 0.16125 0.00075 214.23069 98.81439 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.27000 22.32720 34.47280 23.73018 0.14520 0.00075 214.40774 98.85930 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.22000 22.31850 34.47340 23.73337 0.15327 0.00067 214.37603 98.83147 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.02000 22.31100 34.47160 23.73439 0.17708 0.00075 214.43418 98.84102 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.06000 22.30190 34.46970 23.73581 0.19360 0.00054 214.64935 98.91842 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.03000 22.29190 34.46910 23.73845 0.21204 0.00051 215.13908 99.11675 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.23000 22.28710 34.46740 23.73875 0.26425 0.00093 216.66597 99.63778 -999.00000 -999.00000 -999.00000 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