# 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 11:08:22 # original profile science log name: f8146.765.20220711T111920.science.mat # profile date(gmt): 10-Jul-2022 14:24:18 # profile lat: 22.0657 # profile lon: -137.4871 # profile number: 765 # 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 3.02000 22.56680 34.57640 23.73970 0.13686 0.00066 217.58705 100.82190 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.66000 22.56910 34.57770 23.74030 0.12865 0.00050 217.46636 100.77305 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.72000 22.57330 34.57570 23.73788 0.15351 0.00038 217.35183 100.72055 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.30000 22.57450 34.57550 23.73764 0.16201 0.00050 217.29143 100.69458 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.28000 22.57440 34.57710 23.73917 0.13783 0.00058 217.29633 100.69977 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.35000 22.57440 34.57750 23.73977 0.12100 0.00058 217.25191 100.68007 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.04000 22.57470 34.57700 23.73958 0.13652 0.00062 217.36365 100.73192 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.03000 22.57610 34.57780 23.74007 0.16940 0.00067 217.48060 100.78664 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.02000 22.57540 34.57690 23.73987 0.16940 0.00058 217.60419 100.83834 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 46.75000 22.57210 34.57780 23.74177 0.16940 0.00058 218.15796 101.06389 -999.00000 -999.00000 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