# 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 11:08:11 # original profile science log name: f8146.716.20220702T085326.science.mat # profile date(gmt): 02-Jul-2022 06:25:05 # profile lat: 22.6029 # profile lon: -137.8229 # profile number: 716 # 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 3.56000 22.49540 34.50230 23.70382 0.19360 0.00120 213.22636 98.63131 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.61000 22.50080 34.50040 23.70113 0.17868 0.00120 212.80253 98.43943 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.72000 22.50120 34.50140 23.70207 0.16692 0.00120 212.51218 98.30951 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.80000 22.50660 34.50010 23.69983 0.21780 0.00120 212.50115 98.30706 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.52000 22.50400 34.50180 23.70208 0.21780 0.00120 212.74301 98.41769 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.21000 22.50670 34.50130 23.70126 0.21780 0.00120 213.16607 98.59000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.94000 22.50830 34.49760 23.69827 0.22825 0.00120 214.44973 98.86930 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 36.54000 22.11400 34.55290 23.85174 0.23597 0.00133 215.36538 98.95069 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.96000 22.04610 34.58630 23.89649 0.21780 0.00147 215.37420 98.88609 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.13000 22.04010 34.58820 23.89990 0.23341 0.00108 215.49035 98.90879 -999.00000 -999.00000 -999.00000 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