# 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 11:07:53 # original profile science log name: f8146.628.20220619T100614.science.mat # profile date(gmt): 18-Jun-2022 12:29:02 # profile lat: 22.1224 # profile lon: -137.3434 # profile number: 628 # 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 4.16000 22.42770 34.44610 23.68042 0.15018 0.00091 215.50529 99.54119 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.19000 22.44670 34.44720 23.67610 0.13931 0.00078 215.27326 99.45038 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.34000 22.44520 34.44720 23.67676 0.18347 0.00071 215.19857 99.41370 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.65000 22.44340 34.44820 23.67832 0.19542 0.00071 215.20571 99.41922 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.84000 22.44710 34.44710 23.67674 0.15333 0.00067 215.25411 99.44086 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.60000 22.44530 34.44740 23.67775 0.15385 0.00062 215.45215 99.52100 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.58000 22.43550 34.44690 23.68043 0.12799 0.00074 216.15629 99.78185 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.12000 22.36430 34.44170 23.69694 0.16679 0.00079 218.18012 100.42754 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.50000 22.14900 34.44690 23.76184 0.23460 0.00075 220.88644 101.04745 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.11000 21.67240 34.56360 23.98364 0.26620 0.00083 221.81658 101.09838 -999.00000 -999.00000 -999.00000 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