# 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 11:08:03 # original profile science log name: f8146.674.20220627T165126.science.mat # profile date(gmt): 27-Jun-2022 13:57:26 # profile lat: 22.8369 # profile lon: -137.365 # profile number: 674 # 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 3.21000 22.58890 34.48350 23.66297 0.10442 0.00054 238.57739 110.52628 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.29000 22.57860 34.48460 23.66703 0.13710 0.00071 232.64029 107.71703 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.10000 22.52870 34.48670 23.68308 0.15356 0.00075 228.80105 105.80105 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.99000 22.40800 34.48140 23.71356 0.12885 0.00075 227.29448 104.95982 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.92000 22.40170 34.48290 23.71676 0.13762 0.00062 225.97999 104.33738 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.03000 22.38920 34.48490 23.72211 0.12907 0.00075 224.32441 103.54616 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.83000 22.36750 34.48000 23.72480 0.13774 0.00083 223.23483 103.00450 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.02000 22.35720 34.48130 23.72899 0.14437 0.00075 222.71249 102.72495 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.99000 22.33470 34.47830 23.73335 0.19360 0.00062 223.44194 102.92686 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.93000 22.20410 34.47220 23.76580 0.20366 0.00066 225.29468 103.24703 -999.00000 -999.00000 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