# 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 11:06:51 # original profile science log name: f8146.331.20220331T004052.science.mat # profile date(gmt): 30-Mar-2022 21:28:46 # profile lat: 20.6103 # profile lon: -135.4162 # profile number: 331 # 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 4.04000 23.03030 34.28430 23.38567 0.18678 0.00034 218.18731 101.72301 -999.00000 19.05175 24.92189 26.72926 -999.00000 9.72000 23.03080 34.28620 23.38730 0.19712 0.00043 218.66673 101.95693 -999.00000 18.20463 23.90122 25.65148 -999.00000 13.91000 23.03880 34.28410 23.38365 0.21953 0.00055 218.56803 101.91738 -999.00000 15.76956 20.78955 22.25609 -999.00000 19.08000 23.04170 34.28440 23.38334 0.16940 0.00058 218.15403 101.72671 -999.00000 11.31092 15.01640 16.00219 -999.00000 23.93000 23.04330 34.28390 23.38279 0.19930 0.00076 217.89110 101.60171 -999.00000 8.20237 10.94688 11.61125 -999.00000 29.03000 23.03980 34.28560 23.38540 0.25081 0.00058 217.27829 101.30400 -999.00000 6.47360 8.70612 -999.00000 -999.00000 33.89000 23.02470 34.28490 23.38951 0.23390 0.00063 217.09392 101.19628 -999.00000 6.88636 9.33527 9.96824 -999.00000 38.70000 23.01710 34.28430 23.39152 0.26620 0.00067 216.85148 101.07391 -999.00000 6.30467 8.61878 9.26013 -999.00000 43.75000 23.01530 34.28460 23.39256 0.29140 0.00067 216.55343 100.93360 -999.00000 5.04594 6.93194 7.47281 -999.00000 48.36000 23.01790 34.28340 23.39117 0.29708 0.00083 216.46544 100.89096 -999.00000 4.26224 5.87286 6.35267 -999.00000 53.00000 23.01440 34.28520 23.39381 0.23301 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