# 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 11:08:33 # original profile science log name: f8146.820.20220806T144722.science.mat # profile date(gmt): 06-Aug-2022 11:50:11 # profile lat: 20.9384 # profile lon: -135.9046 # profile number: 820 # 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 3.80000 23.25350 34.58990 23.55269 0.19360 0.00075 213.59908 100.16268 -999.00000 -999.00000 0.41645 -999.00000 0.23232 8.29000 23.25540 34.58910 23.55180 0.18611 0.00079 213.46494 100.10150 -999.00000 -999.00000 0.37123 -999.00000 0.17015 13.28000 23.25840 34.58800 23.55039 0.18480 0.00067 213.47950 100.11071 -999.00000 -999.00000 0.27549 -999.00000 0.10438 18.31000 23.25950 34.58840 23.55067 0.22561 0.00066 213.46116 100.10406 -999.00000 -999.00000 0.17113 -999.00000 0.05745 23.19000 23.26100 34.58830 23.55046 0.24200 0.00079 213.36969 100.06153 -999.00000 -999.00000 -999.00000 -999.00000 0.02558 28.33000 23.25910 34.58930 23.55208 0.21610 0.00075 213.40299 100.07578 -999.00000 -999.00000 0.05901 -999.00000 0.01928 32.67000 23.26000 34.58880 23.55170 0.16940 0.00079 213.50772 100.11613 -999.00000 -999.00000 0.04068 -999.00000 0.01516 37.75000 23.25440 34.58890 23.55370 0.17557 0.00074 214.00760 100.29676 -999.00000 -999.00000 0.02571 -999.00000 0.01264 43.71000 23.20960 34.58770 23.56613 0.24982 0.00083 216.00568 100.87783 -999.00000 -999.00000 0.01715 -999.00000 0.01142 48.37000 22.79010 34.58860 23.68786 0.33239 0.00083 218.99246 101.54952 -999.00000 -999.00000 0.01225 -999.00000 0.01100 53.43000 22.35120 34.63850 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