# 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 11:07:40 # original profile science log name: f8146.563.20220531T224206.science.mat # profile date(gmt): 31-May-2022 19:47:30 # profile lat: 21.2775 # profile lon: -136.6687 # profile number: 563 # 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 4.05000 22.65030 34.28720 23.49668 0.08884 0.00067 231.70662 107.32070 -999.00000 85.17133 -999.00000 -999.00000 71.42678 8.67000 22.63680 34.28820 23.50154 0.08033 0.00083 236.53051 109.51750 -999.00000 70.25186 -999.00000 -999.00000 47.71862 13.43000 22.60340 34.28780 23.51101 0.10400 0.00080 240.72276 111.40269 -999.00000 54.24718 -999.00000 -999.00000 28.74209 18.54000 22.58430 34.28640 23.51567 0.12811 0.00078 240.86345 111.42059 -999.00000 47.28352 -999.00000 -999.00000 20.00272 23.71000 22.55190 34.28560 23.52456 0.15919 0.00081 237.30322 109.71113 -999.00000 39.79812 -999.00000 -999.00000 13.67988 28.97000 22.53820 34.28650 23.52945 0.18352 0.00067 233.66379 107.76429 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.62000 22.27310 34.32330 23.63253 0.15658 0.00086 236.00714 108.35549 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.36000 21.85390 34.43740 23.83685 0.14515 0.00062 238.29623 108.83714 -999.00000 32.18330 -999.00000 -999.00000 6.47185 42.93000 21.71300 34.51490 23.93512 0.20144 0.00075 234.06284 106.70615 -999.00000 29.81922 -999.00000 -999.00000 5.24579 47.62000 21.59450 34.56720 24.00791 0.23313 0.00079 235.05891 106.97284 -999.00000 32.51938 -999.00000 -999.00000 5.47660 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