# 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 11:06:43 # original profile science log name: f8146.290.20220325T125820.science.mat # profile date(gmt): 25-Mar-2022 09:56:48 # profile lat: 20.5061 # profile lon: -135.4568 # profile number: 290 # 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 3.67000 23.06420 34.25000 23.34989 0.28262 0.00062 215.88856 100.68255 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.65000 23.06840 34.25030 23.34920 0.25862 0.00071 215.86346 100.67824 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.76000 23.06980 34.25030 23.34910 0.23403 0.00071 215.71325 100.61147 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.62000 23.07290 34.25050 23.34864 0.23449 0.00071 215.70722 100.61306 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.26000 23.07310 34.25110 23.34932 0.28141 0.00071 215.65941 100.59268 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.27000 23.07550 34.25070 23.34863 0.31460 0.00067 215.69435 100.61035 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.22000 23.07800 34.25100 23.34843 0.31460 0.00064 215.81525 100.66985 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 36.99000 23.07730 34.25330 23.35060 0.30308 0.00068 215.79159 100.66166 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.63000 23.07880 34.25100 23.34881 0.27331 0.00058 215.63113 100.58793 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.88000 23.08210 34.25300 23.34968 0.30633 0.00071 215.64310 100.59900 -999.00000 -999.00000 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