# 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 11:07:07 # original profile science log name: f8146.405.20220421T131126.science.mat # profile date(gmt): 21-Apr-2022 10:19:58 # profile lat: 20.9282 # profile lon: -136.0911 # profile number: 405 # 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 3.73000 22.42700 34.39640 23.64290 0.13648 0.00083 211.69418 97.73211 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.09000 22.42300 34.39830 23.64572 0.12100 0.00078 211.19585 97.50949 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.04000 22.43350 34.39910 23.64357 0.13717 0.00062 211.03707 97.44640 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 16.83000 22.43570 34.39780 23.64223 0.12830 0.00050 210.99276 97.42383 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 21.46000 22.43170 34.39370 23.64051 0.06456 0.00064 211.11533 97.47255 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.37000 22.42890 34.39470 23.64247 0.13531 0.00079 210.77438 97.31901 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.78000 22.43900 34.40230 23.64568 0.14607 0.00067 210.74359 97.32658 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.68000 22.45080 34.40930 23.64793 0.10473 0.00062 211.13835 97.52162 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.40000 22.45100 34.41320 23.65110 0.12100 0.00071 211.00968 97.44796 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.90000 22.42550 34.41310 23.65849 0.13706 0.00067 210.71521 97.28648 -999.00000 -999.00000 -999.00000 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