# 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 11:07:15 # original profile science log name: f8146.444.20220506T055840.science.mat # profile date(gmt): 06-May-2022 03:06:45 # profile lat: 21.314 # profile lon: -136.4834 # profile number: 444 # 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 3.59000 21.13270 34.52140 24.09753 0.22318 0.00050 220.66856 99.67729 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.40000 21.15100 34.52320 24.09411 0.23906 0.00040 219.89893 99.34843 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 11.68000 21.14770 34.52360 24.09553 0.20001 0.00067 219.52449 99.17818 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.72000 21.15040 34.52230 24.09412 0.22460 0.00062 219.24014 99.05063 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.33000 21.14970 34.52210 24.09445 0.24200 0.00071 219.15486 99.01166 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.16000 21.14810 34.52310 24.09591 0.23341 0.00071 219.35736 99.10248 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.67000 21.14930 34.52110 24.09430 0.20270 0.00071 219.47160 99.15377 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.72000 21.15060 34.52210 24.09497 0.18980 0.00074 219.13498 99.00611 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.13000 21.15180 34.52290 24.09554 0.23214 0.00068 219.14326 99.01265 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 46.94000 21.15170 34.52190 24.09500 0.22504 0.00053 219.44913 99.15344 -999.00000 -999.00000 -999.00000 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