# 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 11:07:10 # original profile science log name: f8146.416.20220428T062718.science.mat # profile date(gmt): 27-Apr-2022 09:29:20 # profile lat: 20.9699 # profile lon: -136.3683 # profile number: 416 # 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 4.08000 22.08600 34.37890 23.72571 0.21780 0.00066 210.37287 96.53668 -999.00000 0.01730 -999.00000 -999.00000 -999.00000 8.20000 22.08700 34.38070 23.72702 0.24463 0.00063 210.14096 96.43538 -999.00000 0.01733 -999.00000 -999.00000 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52.78000 22.10040 34.38330 23.72771 0.21377 0.00083 209.81997 96.31133 -999.00000 0.01657 -999.00000 -999.00000 -999.00000 56.62000 22.10410 34.38180 23.72575 0.25982 0.00080 209.73527 96.27012 -999.00000 0.01656 -999.00000 -999.00000 -999.00000 63.14000 22.09910 34.39460 23.73723 0.31460 0.00063 209.74794 96.27134 -999.00000 0.01647 -999.00000 -999.00000 -999.00000 68.59000 22.08750 34.40130 23.74587 0.32423 0.00056 209.86140 96.31009 -999.00000 0.01585 -999.00000 -999.00000 -999.00000 72.61000 22.08760 34.40040 23.74539 0.36701 0.00071 210.09643 96.35893 -999.00000 0.01685 -999.00000 -999.00000 -999.00000 78.10000 21.97110 34.44070 23.80887 0.42149 0.00071 210.41306 96.36517 -999.00000 0.01679 -999.00000 -999.00000 -999.00000 83.59000 21.94930 34.45910 23.82923 0.37611 0.00088 210.72159 96.24275 -999.00000 0.01595 -999.00000 -999.00000 -999.00000 87.08000 21.65290 34.46980 23.91990 0.39500 0.00086 210.77955 96.01659 -999.00000 0.01591 -999.00000 -999.00000 -999.00000 92.53000 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