# 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 11:08:03 # original profile science log name: f8146.672.20220627T112752.science.mat # profile date(gmt): 27-Jun-2022 09:04:27 # profile lat: 22.8306 # profile lon: -137.3508 # profile number: 672 # 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 3.46000 22.54840 34.49250 23.68133 0.14520 0.00091 212.43450 98.35181 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.99000 22.55340 34.49220 23.67994 0.15236 0.00079 212.25054 98.26974 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.40000 22.55250 34.49220 23.68050 0.15372 0.00083 212.43919 98.33397 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.26000 22.52050 34.48600 23.68517 0.12817 0.00097 212.79484 98.42677 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.39000 22.46980 34.48400 23.69833 0.14520 0.00071 213.11063 98.48489 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.32000 22.42150 34.48070 23.70980 0.13767 0.00075 213.26529 98.48742 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.38000 22.39630 34.47990 23.71661 0.12910 0.00079 213.24292 98.43837 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.00000 22.37730 34.48020 23.72247 0.15481 0.00081 213.20551 98.39376 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.03000 22.36900 34.47760 23.72308 0.18896 0.00089 213.19919 98.37213 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.89000 22.35600 34.48080 23.72951 0.22160 0.00067 213.42425 98.43977 -999.00000 -999.00000 -999.00000 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