# 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 11:07:37 # original profile science log name: f8146.547.20220529T234828.science.mat # profile date(gmt): 29-May-2022 20:56:18 # profile lat: 21.0649 # profile lon: -136.5962 # profile number: 547 # 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 3.97000 22.43870 34.28890 23.55805 0.11256 0.00054 230.09045 106.19099 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.56000 22.43740 34.28730 23.55746 0.10454 0.00050 232.89984 107.48998 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.56000 22.43790 34.28910 23.55896 0.12852 0.00062 232.50272 107.26964 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.71000 22.38630 34.28430 23.57020 0.14520 0.00071 231.56683 106.76494 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.21000 22.38340 34.28400 23.57105 0.15248 0.00071 232.46019 107.17040 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.53000 22.38230 34.28400 23.57167 0.17652 0.00078 233.13422 107.46611 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.97000 22.37310 34.28710 23.57693 0.21124 0.00087 232.83856 107.09543 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.36000 22.08580 34.39280 23.73822 0.27357 0.00071 231.17659 105.89765 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.04000 21.89170 34.46200 23.84521 0.30129 0.00081 229.56543 104.87091 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.86000 21.60430 34.55150 23.99328 0.29517 0.00098 226.26802 103.06060 -999.00000 -999.00000 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