# 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 11:06:03 # original profile science log name: f8146.102.20220128T083558.science.mat # profile date(gmt): 28-Jan-2022 05:36:22 # profile lat: 19.8126 # profile lon: -135.6147 # profile number: 102 # 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 4.17000 23.90630 34.24740 23.10248 0.22790 0.00085 212.38837 100.49543 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.69000 23.91810 34.24770 23.09950 0.25203 0.00076 212.17145 100.40299 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.21000 23.91580 34.24630 23.09940 0.26620 0.00079 212.06195 100.35246 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.56000 23.91920 34.24860 23.10046 0.25839 0.00071 211.94762 100.30482 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.51000 23.91830 34.24850 23.10103 0.23303 0.00075 211.70246 100.19385 0.51125 -999.00000 -999.00000 -999.00000 -999.00000 29.69000 23.92480 34.25260 23.10255 0.23673 0.00074 211.69557 100.24626 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.52000 23.99300 34.31390 23.12909 0.29330 0.00063 211.38540 100.21476 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.53000 24.00710 34.32940 23.13695 0.32978 0.00075 211.34633 100.21891 0.09651 -999.00000 -999.00000 -999.00000 -999.00000 44.68000 23.98980 34.38950 23.18785 0.39269 0.00083 212.31784 100.69237 0.36176 -999.00000 -999.00000 -999.00000 -999.00000 49.36000 23.97590 34.40970 23.20753 0.57247 0.00074 212.09384 100.57683 1.22326 -999.00000 -999.00000 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