# 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 11:08:20 # original profile science log name: f8146.754.20220706T091508.science.mat # profile date(gmt): 06-Jul-2022 06:50:43 # profile lat: 22.1929 # profile lon: -137.7704 # profile number: 754 # 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 3.24000 22.51240 34.53350 23.72264 0.23338 0.00170 217.07928 100.46169 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.65000 22.51130 34.53360 23.72328 0.22511 0.00170 217.02631 100.43856 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.68000 22.51850 34.53240 23.72061 0.24200 0.00166 216.92464 100.39228 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.78000 22.50770 34.53300 23.72442 0.22739 0.00161 216.96795 100.40116 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.08000 22.50970 34.53220 23.72355 0.19360 0.00170 217.01585 100.40242 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.74000 22.48570 34.52990 23.72889 0.20946 0.00170 217.17898 100.42490 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.46000 22.44460 34.52930 23.74035 0.24979 0.00162 217.32874 100.44947 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.43000 22.44030 34.52890 23.74155 0.26620 0.00149 217.62788 100.55490 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.05000 22.39760 34.53710 23.76018 0.25034 0.00166 218.41393 100.83241 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.77000 22.35920 34.54240 23.77533 0.22550 0.00175 219.41089 101.09270 -999.00000 -999.00000 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