# 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 11:06:27 # original profile science log name: f8146.217.20220223T095152.science.mat # profile date(gmt): 23-Feb-2022 06:42:05 # profile lat: 18.9952 # profile lon: -134.7729 # profile number: 217 # 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 4.22000 23.25970 34.24900 23.29268 0.17856 0.00062 215.79994 100.97669 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.37000 23.25270 34.24880 23.29487 0.16695 0.00060 215.67350 100.92171 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.93000 23.26740 34.25210 23.29332 0.18632 0.00057 215.65700 100.92743 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.17000 23.26780 34.24950 23.29154 0.16322 0.00080 215.73234 100.95811 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.20000 23.26580 34.24650 23.29022 0.16078 0.00063 215.62479 100.90220 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.17000 23.26490 34.26950 23.30821 0.19360 0.00041 215.62128 100.91469 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.20000 23.26430 34.28960 23.32385 0.18678 0.00048 215.64723 100.93752 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.88000 23.26110 34.31600 23.34512 0.14864 0.00078 215.70333 100.96494 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.53000 23.24510 34.31310 23.34777 0.13921 0.00083 215.70528 100.96995 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.67000 23.28280 34.33610 23.35463 0.21366 0.00110 215.53720 100.97254 -999.00000 -999.00000 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