# 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 11:07:09 # original profile science log name: f8146.411.20220423T192332.science.mat # profile date(gmt): 22-Apr-2022 22:23:53 # profile lat: 20.8876 # profile lon: -136.1519 # profile number: 411 # 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 3.98000 21.97310 34.40020 23.77347 0.11204 0.00051 246.04502 112.74032 -999.00000 53.11782 83.58959 86.65450 83.87947 8.30000 21.96730 34.39960 23.77487 0.11300 0.00058 257.49541 117.98225 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.08000 21.96500 34.39960 23.77577 0.13715 0.00062 262.58054 120.30718 -999.00000 -999.00000 -999.00000 -999.00000 39.38369 17.89000 21.96560 34.39970 23.77594 0.12855 0.00063 264.69408 121.26500 -999.00000 35.64349 58.05985 58.14781 31.61731 23.02000 21.96180 34.40020 23.77767 0.13673 0.00059 269.04722 123.25757 -999.00000 31.48214 51.90978 51.77318 22.41320 27.59000 21.96540 34.40030 23.77700 0.11400 0.00080 275.27437 126.10651 -999.00000 31.04015 52.17937 52.43840 19.37416 33.12000 21.96120 34.40010 23.77833 0.10402 0.00067 274.15249 125.57925 -999.00000 23.77198 39.71111 39.01799 11.05508 38.48000 21.96660 34.40160 23.77825 0.13007 0.00058 273.51274 125.28620 -999.00000 19.72081 33.20046 32.16517 6.99508 42.75000 21.96160 34.40150 23.77981 0.13788 0.00055 268.08544 122.79235 -999.00000 17.47545 29.64780 28.67149 5.42363 48.04000 21.96380 34.40020 23.77849 0.14313 0.00050 259.31597 118.76754 -999.00000 14.35497 24.50696 23.44282 3.49811 53.29000 21.96290 34.40290 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