# 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 11:06:30 # original profile science log name: f8146.228.20220225T001132.science.mat # profile date(gmt): 24-Feb-2022 20:27:12 # profile lat: 18.9693 # profile lon: -134.8447 # profile number: 228 # 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 4.51000 23.45770 34.12850 23.14395 0.15312 0.00092 215.56778 101.14748 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.32000 23.45660 34.12810 23.14426 0.17743 0.00075 215.41951 101.07729 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.90000 23.45550 34.12880 23.14538 0.18692 0.00062 215.28704 101.01383 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 19.49000 23.44630 34.13070 23.14983 0.16159 0.00071 215.38363 101.06174 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.37000 23.45260 34.12880 23.14686 0.17492 0.00067 215.42150 101.06258 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.40000 23.41620 34.14470 23.16981 0.20512 0.00066 215.36514 100.97993 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.65000 23.37210 34.16750 23.20020 0.13707 0.00083 215.54601 100.99407 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.39000 23.30510 34.22400 23.26271 0.19201 0.00083 215.61866 100.97740 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.27000 23.29610 34.23600 23.27470 0.25726 0.00079 215.53317 100.93701 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.17000 23.29640 34.23980 23.27778 0.29040 0.00075 215.63317 100.97923 -999.00000 -999.00000 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