# 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 11:07:36 # original profile science log name: f8146.541.20220529T055752.science.mat # profile date(gmt): 29-May-2022 02:56:19 # profile lat: 20.9991 # profile lon: -136.5661 # profile number: 541 # 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 3.23000 22.45010 34.27590 23.54491 0.16940 0.00079 217.50120 100.38018 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.47000 22.45480 34.27540 23.54350 0.17686 0.00071 217.25622 100.26965 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.66000 22.45200 34.27680 23.54564 0.19360 0.00075 217.08215 100.19447 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.53000 22.46140 34.27460 23.54158 0.18399 0.00083 216.98183 100.15494 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.56000 22.46180 34.27450 23.54163 0.16166 0.00079 216.97638 100.15188 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.48000 22.46110 34.27530 23.54272 0.14520 0.00071 216.95763 100.14064 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.59000 22.45670 34.27770 23.54614 0.16075 0.00075 216.98706 100.14079 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.57000 22.44500 34.28200 23.55299 0.20089 0.00076 217.24276 100.21755 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.80000 22.41800 34.28670 23.56449 0.24979 0.00071 218.51050 100.47426 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.40000 21.98830 34.41970 23.78647 0.31460 0.00087 219.95499 100.53615 -999.00000 -999.00000 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