# 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 11:07:44 # original profile science log name: f8146.579.20220602T211042.science.mat # profile date(gmt): 02-Jun-2022 18:43:06 # profile lat: 21.5425 # profile lon: -136.761 # profile number: 579 # 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 3.76000 22.56250 34.30010 23.53142 0.08893 0.00079 235.76342 109.06463 -999.00000 108.68384 125.37339 -999.00000 94.38296 8.68000 22.55350 34.29780 23.53251 0.08021 0.00092 241.70048 111.78206 -999.00000 113.59348 132.68871 -999.00000 83.38426 13.77000 22.52410 34.29720 23.54069 0.11412 0.00079 242.71881 112.20668 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.24000 22.52040 34.29750 23.54221 0.15323 0.00075 241.67034 111.71614 -999.00000 68.77987 -999.00000 -999.00000 32.12169 23.06000 22.52040 34.29680 23.54196 0.16250 0.00080 241.78350 111.76065 -999.00000 71.22527 86.21062 -999.00000 28.88122 28.67000 22.51820 34.29710 23.54314 0.13794 0.00082 239.63568 110.75892 -999.00000 53.36445 65.26547 -999.00000 16.71333 33.92000 22.51860 34.29680 23.54310 0.13662 0.00100 236.89918 109.46378 -999.00000 40.14836 49.49565 -999.00000 9.70000 38.71000 22.51480 34.29520 23.54324 0.20194 0.00083 234.55762 108.11985 -999.00000 32.61801 40.61476 -999.00000 6.45743 43.39000 22.21360 34.34910 23.66945 0.25906 0.00083 234.03680 107.29670 -999.00000 26.84453 33.74356 -999.00000 4.40185 48.62000 21.79400 34.42000 23.84085 0.23387 0.00083 234.87482 107.17063 -999.00000 24.53684 31.37711 -999.00000 3.47231 53.38000 21.69720 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