# 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 11:06:14 # original profile science log name: f8146.149.20220208T062238.science.mat # profile date(gmt): 08-Feb-2022 03:27:28 # profile lat: 19.4656 # profile lon: -134.7793 # profile number: 149 # 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 3.64000 23.36020 34.34660 23.33741 0.21780 0.00069 215.07329 100.87693 0.04691 -999.00000 -999.00000 -999.00000 -999.00000 8.25000 23.35950 34.34740 23.33850 0.22631 0.00074 215.07825 100.88290 0.05072 -999.00000 -999.00000 -999.00000 -999.00000 13.71000 23.36580 34.34570 23.33570 0.25466 0.00058 214.94122 100.82160 0.05598 -999.00000 -999.00000 -999.00000 -999.00000 17.38000 23.36430 34.34650 23.33696 0.26620 0.00066 214.97125 100.83509 0.05059 -999.00000 -999.00000 -999.00000 -999.00000 23.42000 23.36180 34.34710 23.33851 0.25128 0.00083 214.99975 100.84865 0.04999 -999.00000 -999.00000 -999.00000 -999.00000 29.65000 23.36390 34.34660 23.33792 0.20761 0.00083 214.81630 100.77270 0.05144 -999.00000 -999.00000 -999.00000 -999.00000 34.21000 23.37620 34.35000 23.33719 0.22216 0.00083 214.76054 100.75864 0.04917 -999.00000 -999.00000 -999.00000 -999.00000 39.09000 23.37470 34.35020 23.33807 0.25658 0.00078 214.68034 100.72493 0.04947 -999.00000 -999.00000 -999.00000 -999.00000 43.84000 23.37820 34.35360 23.33991 0.24200 0.00077 214.65679 100.72749 0.04916 -999.00000 -999.00000 -999.00000 -999.00000 47.91000 23.39010 34.36180 23.34290 0.24948 0.00079 214.63699 100.73327 0.05258 -999.00000 -999.00000 -999.00000 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