# 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 11:08:28 # original profile science log name: f8146.793.20220803T062350.science.mat # profile date(gmt): 03-Aug-2022 03:27:23 # profile lat: 21.5347 # profile lon: -136.3421 # profile number: 793 # 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 3.29000 23.29060 34.58490 23.53810 0.12842 0.00067 214.93684 100.85075 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.51000 23.29220 34.58510 23.53810 0.13778 0.00062 214.93574 100.85238 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.73000 23.29180 34.58480 23.53830 0.12907 0.00067 214.92441 100.84431 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.53000 23.29230 34.58420 23.53798 0.16066 0.00062 214.97726 100.84175 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.54000 23.24540 34.58120 23.54962 0.19360 0.00067 215.05584 100.82461 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.49000 23.24610 34.57900 23.54805 0.18577 0.00062 215.06432 100.82405 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.27000 23.24260 34.58070 23.55064 0.16940 0.00075 215.14659 100.85987 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.17000 23.24210 34.57900 23.54979 0.17729 0.00079 215.37988 100.95685 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.08000 23.23370 34.57810 23.55183 0.20102 0.00071 215.97082 101.14712 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.22000 23.11590 34.57280 23.58220 0.21118 0.00071 217.40525 101.54833 -999.00000 -999.00000 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