# 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 11:06:20 # original profile science log name: f8146.180.20220218T105636.science.mat # profile date(gmt): 18-Feb-2022 07:59:01 # profile lat: 19.2998 # profile lon: -134.7362 # profile number: 180 # 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 3.85000 23.22600 34.27960 23.32560 0.16875 0.00040 215.53343 100.81915 0.73030 0.01813 -999.00000 -999.00000 -999.00000 7.59000 23.22990 34.27990 23.32492 0.21636 0.00071 215.39913 100.76518 -999.00000 0.01762 -999.00000 -999.00000 -999.00000 13.23000 23.23320 34.27880 23.32347 0.18732 0.00071 215.38173 100.75784 1.14091 0.01779 -999.00000 -999.00000 -999.00000 18.63000 23.23370 34.27970 23.32432 0.20315 0.00077 215.31470 100.72870 0.83975 0.01850 -999.00000 -999.00000 -999.00000 22.76000 23.23380 34.27990 23.32470 0.21652 0.00075 215.26299 100.70599 -999.00000 0.01947 -999.00000 -999.00000 -999.00000 28.23000 23.23490 34.27960 23.32449 0.17818 0.00063 215.29215 100.72106 -999.00000 0.01919 -999.00000 -999.00000 -999.00000 33.44000 23.23740 34.27830 23.32310 0.20600 0.00064 215.30532 100.72796 0.03819 0.01783 -999.00000 -999.00000 -999.00000 37.11000 23.23900 34.27780 23.32248 0.20033 0.00058 215.19069 100.67770 0.03978 0.01830 -999.00000 -999.00000 -999.00000 43.77000 23.24140 34.27840 23.32263 0.19360 0.00058 215.19085 100.68056 0.03887 0.01835 -999.00000 -999.00000 -999.00000 49.03000 23.24090 34.27980 23.32415 0.18213 0.00064 215.12724 100.65286 0.76322 0.01844 -999.00000 -999.00000 -999.00000 53.08000 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