# 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 11:07:02 # original profile science log name: f8146.380.20220418T123222.science.mat # profile date(gmt): 18-Apr-2022 09:29:16 # profile lat: 20.9275 # profile lon: -135.9839 # profile number: 380 # 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 3.73000 22.50300 34.31010 23.55590 0.16819 0.00058 217.41301 100.45119 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.61000 22.50330 34.31040 23.55631 0.19900 0.00063 217.14537 100.33331 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.73000 22.51100 34.31000 23.55406 0.16267 0.00067 217.11728 100.32913 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.48000 22.51520 34.30970 23.55296 0.16905 0.00054 217.08399 100.32171 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.35000 22.51650 34.31020 23.55325 0.20972 0.00050 217.04606 100.30601 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.14000 22.51670 34.30970 23.55310 0.18518 0.00063 217.07180 100.31765 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.74000 22.51620 34.31080 23.55434 0.16178 0.00067 217.06352 100.31647 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.82000 22.51810 34.31110 23.55432 0.15269 0.00062 216.82787 100.21139 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.99000 22.52010 34.31080 23.55382 0.18788 0.00071 216.82693 100.21300 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.18000 22.52240 34.30930 23.55226 0.21200 0.00068 216.89210 100.24163 -999.00000 -999.00000 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