# 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 11:06:24 # original profile science log name: f8146.198.20220220T222926.science.mat # profile date(gmt): 20-Feb-2022 19:17:23 # profile lat: 19.2121 # profile lon: -134.6994 # profile number: 198 # 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 3.99000 23.34960 34.28120 23.29098 0.10450 0.00062 215.62522 101.08119 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.02000 23.34550 34.28020 23.29172 0.13601 0.00067 215.68461 101.11346 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.10000 23.33580 34.28290 23.29688 0.15327 0.00063 215.56976 101.07039 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.74000 23.33520 34.28340 23.29771 0.12833 0.00067 215.50863 101.02400 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.94000 23.33460 34.28440 23.29896 0.14520 0.00062 215.49304 101.00232 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.77000 23.33430 34.28680 23.30117 0.15278 0.00067 215.42895 100.97358 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.88000 23.33430 34.28980 23.30375 0.16940 0.00062 215.37580 100.95736 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.04000 23.33900 34.29160 23.30406 0.18631 0.00075 215.28273 100.92596 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.47000 23.34580 34.29750 23.30682 0.20409 0.00087 215.13901 100.87004 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.04000 23.34900 34.29900 23.30735 0.16940 0.00092 215.08287 100.84734 -999.00000 -999.00000 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