# 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 11:06:58 # original profile science log name: f8146.362.20220416T055452.science.mat # profile date(gmt): 16-Apr-2022 02:54:23 # profile lat: 20.9191 # profile lon: -135.9496 # profile number: 362 # 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 3.88000 22.44590 34.29330 23.55934 0.20129 0.00054 218.39654 100.78697 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.57000 22.44030 34.29310 23.56104 0.18262 0.00053 218.19449 100.69276 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.43000 22.44050 34.29370 23.56177 0.21780 0.00075 218.06594 100.63964 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.68000 22.44860 34.29170 23.55819 0.19516 0.00079 217.95083 100.59799 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.81000 22.45700 34.29290 23.55702 0.15365 0.00062 218.01971 100.63939 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.39000 22.45470 34.29320 23.55817 0.18046 0.00052 218.01444 100.63525 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 31.89000 22.45720 34.29210 23.55683 0.18780 0.00058 217.92515 100.59522 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.49000 22.45840 34.29240 23.55709 0.18292 0.00062 217.93789 100.60511 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.01000 22.45860 34.29320 23.55795 0.17815 0.00071 217.83725 100.55657 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 46.94000 22.45520 34.29320 23.55908 0.15625 0.00074 217.83616 100.55487 -999.00000 -999.00000 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