# 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 11:07:39 # original profile science log name: f8146.556.20220531T021950.science.mat # profile date(gmt): 30-May-2022 23:13:26 # profile lat: 21.1755 # profile lon: -136.6306 # profile number: 556 # 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 4.17000 22.57640 34.29830 23.52613 0.15356 0.00067 227.88352 105.42824 -999.00000 -999.00000 41.70834 -999.00000 29.66662 9.06000 22.56860 34.29780 23.52824 0.14926 0.00066 226.61491 104.81084 -999.00000 -999.00000 36.63016 -999.00000 19.54114 11.72000 22.55720 34.29640 23.53057 0.15783 0.00077 224.28086 103.69063 -999.00000 -999.00000 33.96791 -999.00000 15.73929 18.08000 22.49850 34.29520 23.54667 0.12100 0.00096 223.93350 103.46361 -999.00000 -999.00000 25.64664 -999.00000 7.95480 23.74000 22.51280 34.29700 23.54431 0.12100 0.00100 225.10521 104.02643 -999.00000 -999.00000 23.62287 -999.00000 5.67315 28.34000 22.52360 34.29530 23.54023 0.12940 0.00099 226.57623 104.70821 -999.00000 -999.00000 25.24257 -999.00000 5.14782 32.95000 22.51250 34.29620 23.54432 0.16091 0.00079 225.80095 104.30265 -999.00000 -999.00000 22.71233 -999.00000 3.59346 37.80000 22.46650 34.29460 23.55642 0.18657 0.00067 224.95319 103.85835 -999.00000 -999.00000 19.27989 -999.00000 2.40408 43.11000 22.46080 34.29530 23.55887 0.17643 0.00062 223.91068 103.35867 -999.00000 -999.00000 15.77316 -999.00000 1.50982 48.62000 22.45170 34.29540 23.56183 0.20928 0.00071 222.48695 102.52269 -999.00000 -999.00000 13.32722 -999.00000 0.94775 53.48000 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