# 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 11:07:58 # original profile science log name: f8146.651.20220625T043932.science.mat # profile date(gmt): 25-Jun-2022 02:16:47 # profile lat: 22.6765 # profile lon: -137.2544 # profile number: 651 # 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 3.35000 22.49840 34.47680 23.68362 0.12924 0.00079 213.35689 98.58386 -999.00000 -999.00000 -999.00000 0.00238 -999.00000 7.97000 22.36170 34.47300 23.71972 0.13794 0.00063 213.32463 98.41550 -999.00000 -999.00000 -999.00000 0.00199 -999.00000 13.12000 22.34120 34.47330 23.72603 0.12889 0.00062 213.28716 98.36782 -999.00000 -999.00000 -999.00000 0.00276 -999.00000 18.03000 22.33370 34.47210 23.72751 0.16925 0.00079 213.31700 98.36543 -999.00000 -999.00000 -999.00000 0.00331 -999.00000 22.86000 22.32360 34.47300 23.73132 0.19466 0.00054 213.30862 98.35001 -999.00000 -999.00000 -999.00000 0.00370 -999.00000 27.88000 22.32010 34.47240 23.73214 0.16104 0.00071 213.31578 98.34585 -999.00000 -999.00000 -999.00000 0.00424 -999.00000 32.77000 22.31690 34.47300 23.73378 0.32317 0.00075 213.34122 98.35069 -999.00000 -999.00000 -999.00000 0.00493 -999.00000 37.85000 22.31010 34.47340 23.73629 0.48173 0.00079 213.43583 98.38273 -999.00000 -999.00000 -999.00000 0.00536 -999.00000 43.19000 22.30760 34.47110 23.73555 0.21120 0.00071 213.85506 98.54443 -999.00000 -999.00000 -999.00000 0.00656 -999.00000 47.59000 22.29580 34.46650 23.73563 0.25313 0.00065 215.21217 99.02883 -999.00000 -999.00000 -999.00000 0.00681 -999.00000 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