# 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 11:06:28 # original profile science log name: f8146.218.20220223T131156.science.mat # profile date(gmt): 23-Feb-2022 09:56:25 # profile lat: 18.9912 # profile lon: -134.7774 # profile number: 218 # 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 4.06000 23.23500 34.25730 23.30611 0.17664 0.00071 215.68235 100.88931 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.41000 23.23900 34.25590 23.30421 0.19360 0.00066 215.68623 100.89699 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.95000 23.24450 34.25590 23.30289 0.18552 0.00067 215.58154 100.85591 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.74000 23.24380 34.25590 23.30337 0.17722 0.00079 215.56967 100.85076 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.61000 23.24710 34.25990 23.30575 0.18053 0.00071 215.58512 100.86175 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.24000 23.24640 34.26370 23.30918 0.14520 0.00067 215.59720 100.87104 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.92000 23.24720 34.27030 23.31423 0.15354 0.00054 215.62032 100.88093 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.56000 23.23980 34.29530 23.33558 0.16940 0.00059 215.71069 100.92809 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.26000 23.23610 34.31330 23.35057 0.16940 0.00076 215.62185 100.89212 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.00000 23.23350 34.31340 23.35173 0.16940 0.00066 215.51635 100.84176 -999.00000 -999.00000 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