# 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 11:08:26 # original profile science log name: f8146.783.20220731T111726.science.mat # profile date(gmt): 30-Jul-2022 14:15:49 # profile lat: 21.9349 # profile lon: -136.5815 # profile number: 783 # 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 3.68000 23.36580 34.59170 23.52141 0.17668 0.00067 215.12558 101.07158 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.00000 23.36300 34.59180 23.52262 0.16133 0.00054 215.04878 101.03343 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.80000 23.36680 34.59110 23.52127 0.09680 0.00058 215.05914 101.04163 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.50000 23.36860 34.59120 23.52111 0.12105 0.00075 215.04492 101.03943 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.13000 23.37140 34.59120 23.52057 0.16175 0.00066 215.06840 101.05531 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.19000 23.37480 34.59110 23.51981 0.13034 0.00076 215.17698 101.10330 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.40000 23.36990 34.59120 23.52163 0.11248 0.00062 215.53038 101.20052 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.34000 23.32350 34.58890 23.53368 0.15332 0.00071 216.64671 101.39405 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.03000 22.92050 34.61390 23.66934 0.18616 0.00071 217.90990 101.55966 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.50000 22.85380 34.62270 23.69541 0.20935 0.00071 218.17490 101.59397 -999.00000 -999.00000 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