# 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 11:06:49 # original profile science log name: f8146.320.20220329T132820.science.mat # profile date(gmt): 29-Mar-2022 10:10:02 # profile lat: 20.5714 # profile lon: -135.392 # profile number: 320 # 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 3.65000 23.12290 34.30750 23.37653 0.21780 0.00067 215.47360 100.62408 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.30000 23.12240 34.30780 23.37718 0.21780 0.00067 215.38652 100.58729 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 11.88000 23.12690 34.30780 23.37609 0.21225 0.00046 215.37777 100.58867 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.59000 23.12830 34.30770 23.37600 0.22593 0.00046 215.47857 100.63429 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.38000 23.12510 34.30780 23.37729 0.27091 0.00056 215.41354 100.59939 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.26000 23.12350 34.30970 23.37955 0.22554 0.00079 215.40620 100.59910 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.09000 23.12190 34.30930 23.38000 0.23471 0.00071 215.36983 100.58454 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.40000 23.13080 34.30870 23.37729 0.24782 0.00071 215.29712 100.56107 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 41.98000 23.13420 34.30710 23.37525 0.25503 0.00065 215.29059 100.55833 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.91000 23.13470 34.30730 23.37566 0.22475 0.00050 215.15707 100.49660 -999.00000 -999.00000 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