# 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 11:07:38 # original profile science log name: f8146.552.20220530T142034.science.mat # profile date(gmt): 30-May-2022 11:28:29 # profile lat: 21.1268 # profile lon: -136.6197 # profile number: 552 # 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 3.86000 22.39280 34.29500 23.57565 0.14734 0.00067 217.17666 100.14850 -999.00000 -999.00000 0.05878 -999.00000 -999.00000 8.27000 22.40260 34.29310 23.57169 0.19360 0.00069 216.94659 100.04891 -999.00000 -999.00000 0.03826 -999.00000 -999.00000 12.49000 22.40230 34.29410 23.57276 0.18675 0.00056 216.91497 100.03596 -999.00000 -999.00000 0.02504 -999.00000 -999.00000 18.14000 22.40230 34.29390 23.57293 0.17774 0.00079 216.81289 99.98881 -999.00000 -999.00000 0.01178 -999.00000 -999.00000 22.70000 22.40500 34.29290 23.57167 0.20003 0.00071 216.83323 99.99757 -999.00000 -999.00000 0.00517 -999.00000 -999.00000 28.50000 22.40370 34.29450 23.57359 0.20356 0.00074 216.98151 100.05728 -999.00000 -999.00000 0.00116 -999.00000 -999.00000 33.86000 22.39550 34.29500 23.57659 0.17772 0.00079 217.63683 100.26240 -999.00000 -999.00000 0.00010 -999.00000 -999.00000 38.28000 22.30940 34.31370 23.61533 0.20871 0.00071 219.37801 100.69747 -999.00000 -999.00000 -0.00187 -999.00000 -999.00000 43.15000 21.85850 34.46060 23.85345 0.24200 0.00079 220.84490 100.87931 -999.00000 -999.00000 -0.00325 -999.00000 -999.00000 47.99000 21.71590 34.49430 23.91893 0.26575 0.00096 220.71581 100.57576 -999.00000 -999.00000 -0.00416 -999.00000 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