# 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 11:07:21 # original profile science log name: f8146.473.20220509T175228.science.mat # profile date(gmt): 09-May-2022 14:59:26 # profile lat: 21.1247 # profile lon: -136.4145 # profile number: 473 # 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 3.01000 21.31710 34.52560 24.05028 0.16940 0.00063 295.80159 134.05774 -999.00000 50.43486 43.17034 60.30608 47.38852 7.59000 21.31950 34.52620 24.05031 0.16940 0.00071 315.30143 142.89919 -999.00000 40.76670 34.52754 48.55804 31.00397 12.42000 21.31670 34.52630 24.05141 0.16193 0.00078 322.74426 146.27210 -999.00000 34.85700 29.58851 41.84031 21.20689 17.60000 21.31810 34.52800 24.05259 0.16140 0.00083 314.88419 142.71318 -999.00000 31.15631 26.55769 37.74782 14.75695 22.38000 21.31840 34.52570 24.05101 0.18482 0.00067 306.71171 139.00929 -999.00000 28.86044 24.79438 35.53620 11.30439 26.79000 21.32080 34.52780 24.05219 0.17605 0.00083 298.97722 135.50562 -999.00000 25.49310 22.03429 31.75042 8.25285 32.53000 21.32240 34.52680 24.05130 0.19360 0.00075 287.64104 130.36741 -999.00000 21.13324 18.38345 26.64768 5.51709 37.12000 21.32560 34.52890 24.05227 0.20686 0.00058 276.25205 125.21387 -999.00000 16.68510 14.50196 20.86085 3.51263 42.96000 21.32840 34.53020 24.05279 0.23411 0.00062 265.29395 120.26218 -999.00000 13.49973 11.78482 16.94869 2.18041 47.79000 21.33150 34.53250 24.05394 0.22566 0.00075 260.67900 118.24246 -999.00000 11.92375 10.50490 15.20188 1.61751 52.55000 21.42560 34.58880 24.07116 0.26922 0.00083 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