# 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 11:07:08 # original profile science log name: f8146.409.20220422T011106.science.mat # profile date(gmt): 21-Apr-2022 22:16:30 # profile lat: 20.9034 # profile lon: -136.1312 # profile number: 409 # 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 4.00000 22.51130 34.34680 23.58139 0.08810 0.00047 237.15577 109.63281 -999.00000 -999.00000 -999.00000 -999.00000 37.43999 8.45000 22.51020 34.34790 23.58279 0.08887 0.00067 254.85977 117.83098 -999.00000 25.28216 42.69487 42.30797 33.97740 13.21000 22.51020 34.34770 23.58291 0.12100 0.00062 262.97097 121.58170 -999.00000 22.54860 38.56366 37.86302 23.90056 18.28000 22.50980 34.34850 23.58391 0.12100 0.00071 261.10173 120.69483 -999.00000 20.00451 34.62563 33.38168 16.25868 23.45000 22.48340 34.36290 23.60262 0.12100 0.00071 250.69651 115.83640 -999.00000 13.10200 21.77912 19.94957 7.34590 28.25000 22.46080 34.38190 23.62372 0.12890 0.00067 237.11156 109.51860 -999.00000 9.57367 15.50774 -999.00000 -999.00000 33.15000 22.43920 34.39830 23.64256 0.13028 0.00062 235.33456 108.68057 -999.00000 9.12766 15.08969 13.39672 2.98388 38.34000 22.43180 34.40520 23.65018 0.11958 0.00067 233.61873 107.86967 -999.00000 8.35174 13.96482 12.47286 2.21285 43.44000 22.41450 34.41190 23.66045 0.16940 0.00054 230.82045 106.55348 -999.00000 7.25743 12.18318 10.81397 1.52185 48.40000 22.40590 34.41180 23.66308 0.19196 0.00050 226.86104 104.69832 -999.00000 6.81825 11.62958 10.34446 1.17633 53.55000 22.38290 34.41510 23.67238 0.23385 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