# 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 11:08:23 # original profile science log name: f8146.769.20220715T000032.science.mat # profile date(gmt): 14-Jul-2022 03:03:54 # profile lat: 22.1438 # profile lon: -137.1807 # profile number: 769 # 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 3.48000 22.88940 34.56650 23.64002 0.08882 0.00042 221.88707 103.38144 -999.00000 111.34285 -999.00000 -999.00000 95.21910 8.33000 22.83420 34.56600 23.65576 0.07260 0.00067 223.63813 104.13387 -999.00000 95.12126 -999.00000 -999.00000 65.35199 13.00000 22.82300 34.56770 23.66053 0.08013 0.00083 223.95960 104.23500 -999.00000 94.14069 -999.00000 -999.00000 55.99005 18.14000 22.78010 34.56910 23.67417 0.10441 0.00075 224.35950 104.36337 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.15000 22.77570 34.56800 23.67489 0.12874 0.00078 224.47564 104.40614 -999.00000 72.10354 -999.00000 -999.00000 25.29281 27.98000 22.77000 34.56850 23.67718 0.14520 0.00097 224.54866 104.42869 -999.00000 61.29363 -999.00000 -999.00000 16.39677 33.15000 22.76490 34.57020 23.68023 0.13646 0.00046 224.73336 104.48726 -999.00000 58.77373 -999.00000 -999.00000 13.18555 37.50000 22.75400 34.57000 23.68345 0.12858 0.00054 225.84133 104.86303 -999.00000 48.74173 -999.00000 -999.00000 8.83213 42.43000 22.56420 34.60520 23.76455 0.16925 0.00067 228.16959 105.68991 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.26000 22.50440 34.60540 23.78197 0.21780 0.00058 229.72290 106.19712 -999.00000 33.92493 -999.00000 -999.00000 3.91185 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