# 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 11:07:54 # original profile science log name: f8146.634.20220623T053450.science.mat # profile date(gmt): 23-Jun-2022 03:10:21 # profile lat: 22.4737 # profile lon: -137.2433 # profile number: 634 # 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 3.37000 22.44360 34.47440 23.69734 0.17009 0.00054 218.09371 100.76943 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.23000 22.44420 34.47440 23.69745 0.12840 0.00065 217.83425 100.63370 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.28000 22.42090 34.47350 23.70365 0.15296 0.00096 217.86055 100.57700 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.19000 22.36090 34.46830 23.71695 0.17686 0.00071 218.03141 100.54366 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.20000 22.29890 34.46830 23.73475 0.19360 0.00067 218.14694 100.53307 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.14000 22.29200 34.46930 23.73773 0.21022 0.00063 218.33678 100.61310 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.80000 22.28910 34.46900 23.73859 0.21428 0.00066 218.39263 100.63264 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 36.99000 22.28820 34.46720 23.73771 0.16940 0.00055 218.35936 100.61120 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.19000 22.28350 34.46920 23.74090 0.19249 0.00046 218.30997 100.58352 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.14000 22.28210 34.46780 23.74051 0.22002 0.00053 218.39002 100.61049 -999.00000 -999.00000 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