# 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 11:06:53 # original profile science log name: f8146.338.20220405T120436.science.mat # profile date(gmt): 04-Apr-2022 14:29:00 # profile lat: 20.6123 # profile lon: -135.5663 # profile number: 338 # 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 3.90000 22.78570 34.32340 23.48548 0.21780 0.00058 216.41005 100.48803 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.69000 22.78840 34.32530 23.48642 0.21031 0.00055 216.25417 100.42477 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.86000 22.79180 34.32400 23.48476 0.18540 0.00054 216.22694 100.41568 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.58000 22.79420 34.32430 23.48457 0.21854 0.00071 216.21099 100.40950 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.44000 22.79510 34.32390 23.48424 0.27806 0.00074 216.13294 100.37394 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.48000 22.79600 34.32530 23.48541 0.23483 0.00080 216.05528 100.34344 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.80000 22.79860 34.32350 23.48361 0.21004 0.00075 216.06466 100.34794 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.54000 22.79780 34.32480 23.48510 0.20991 0.00075 215.98259 100.31280 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.13000 22.79910 34.32460 23.48484 0.21800 0.00058 215.91019 100.27938 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.97000 22.80000 34.32400 23.48440 0.18631 0.00063 215.84391 100.24791 -999.00000 -999.00000 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