# 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 11:07:25 # original profile science log name: f8146.493.20220511T233756.science.mat # profile date(gmt): 11-May-2022 21:01:39 # profile lat: 20.8556 # profile lon: -136.4437 # profile number: 493 # 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 3.90000 21.53400 34.57930 24.03147 0.05780 0.00068 299.56871 136.35228 -999.00000 -999.00000 -999.00000 -999.00000 106.79761 8.02000 21.53470 34.57920 24.03141 0.08301 0.00078 320.30092 145.79973 -999.00000 -999.00000 -999.00000 -999.00000 69.97543 11.74000 21.53290 34.57940 24.03226 0.10615 0.00061 321.78131 146.44980 -999.00000 -999.00000 -999.00000 -999.00000 51.99057 17.62500 21.53330 34.57860 24.03186 0.11358 0.00068 308.49026 140.37834 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.51000 21.53370 34.57780 24.03145 0.12100 0.00075 295.19920 134.30881 -999.00000 -999.00000 -999.00000 -999.00000 26.74809 28.04000 21.50590 34.57830 24.03976 0.12100 0.00054 293.81630 133.63214 -999.00000 -999.00000 -999.00000 -999.00000 21.30324 32.98000 21.49280 34.58110 24.04576 0.14587 0.00050 286.92556 130.48510 -999.00000 -999.00000 -999.00000 -999.00000 12.44118 37.65000 21.48950 34.58070 24.04662 0.18627 0.00062 278.56550 126.67494 -999.00000 -999.00000 -999.00000 -999.00000 9.47300 42.93000 21.48770 34.58170 24.04815 0.16940 0.00071 273.03195 124.15065 -999.00000 -999.00000 -999.00000 -999.00000 6.79745 47.97000 21.48170 34.58270 24.05083 0.16940 0.00066 267.96580 121.82694 -999.00000 -999.00000 -999.00000 -999.00000 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