# 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 11:07:40 # original profile science log name: f8146.561.20220531T164104.science.mat # profile date(gmt): 31-May-2022 13:46:42 # profile lat: 21.2403 # profile lon: -136.6593 # profile number: 561 # 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 3.63000 22.49120 34.29040 23.54429 0.15294 0.00079 224.40538 103.65765 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.38000 22.49610 34.29050 23.54324 0.16154 0.00079 224.36328 103.64434 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.06000 22.49730 34.28950 23.54241 0.14520 0.00076 222.55248 102.80550 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 16.88000 22.49690 34.29090 23.54380 0.14520 0.00049 221.64138 102.38560 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.37000 22.49920 34.28980 23.54268 0.14520 0.00065 220.83668 102.00248 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.76000 22.49830 34.28890 23.54257 0.16368 0.00078 221.59903 102.09598 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.95000 22.21050 34.35610 23.67506 0.20187 0.00071 223.02594 102.27769 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.63000 21.99170 34.44550 23.80452 0.21780 0.00084 223.57018 102.21930 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.02000 21.77460 34.50780 23.91258 0.21135 0.00095 223.49609 101.99015 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.02000 21.61650 34.51860 23.96492 0.20852 0.00058 222.76652 101.43359 -999.00000 -999.00000 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