# 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 11:08:14 # original profile science log name: f8146.729.20220703T173304.science.mat # profile date(gmt): 03-Jul-2022 15:09:18 # profile lat: 22.443 # profile lon: -137.8646 # profile number: 729 # 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 2.89000 22.42850 34.50950 23.72821 0.16940 0.00133 235.07196 108.62874 -999.00000 45.82474 52.03249 51.67745 38.86999 8.36000 22.43150 34.50890 23.72722 0.16070 0.00133 237.59999 109.79445 -999.00000 41.34856 47.57250 46.93204 26.95194 12.81000 22.42940 34.51000 23.72890 0.16021 0.00129 236.54347 109.30327 -999.00000 36.21684 41.87015 40.89177 19.37217 17.89000 22.42600 34.51040 23.73045 0.20058 0.00120 235.72968 108.91581 -999.00000 30.46791 35.33928 33.93942 12.69099 23.24000 22.42860 34.50860 23.72865 0.22829 0.00126 235.22472 108.58784 -999.00000 25.99923 30.28100 28.65082 8.26699 26.93000 22.40220 34.51220 23.73907 0.21210 0.00129 233.47814 107.53182 -999.00000 23.47115 27.45700 25.74199 6.23239 32.03000 22.07480 34.58450 23.88647 0.16082 0.00124 231.17936 106.14462 -999.00000 20.51777 24.15435 22.45580 4.33827 36.74000 21.97760 34.59810 23.92428 0.19925 0.00136 229.89218 105.44062 -999.00000 17.80616 21.12750 19.49347 3.05568 43.33000 21.96010 34.60630 23.93576 0.23445 0.00141 227.42924 104.27851 -999.00000 14.49900 17.45858 15.96680 1.84012 47.90000 21.94600 34.60700 23.94048 0.24494 0.00136 226.96037 104.03273 -999.00000 12.73111 15.48110 14.10450 1.34237 53.17000 21.92820 34.61030 23.94825 0.23004 0.00140 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