# 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 11:07:16 # original profile science log name: f8146.447.20220506T141604.science.mat # profile date(gmt): 06-May-2022 11:22:16 # profile lat: 21.332 # profile lon: -136.4637 # profile number: 447 # 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 3.43000 21.11120 34.54450 24.12095 0.24993 0.00091 221.08242 99.83271 -999.00000 -999.00000 -999.00000 0.00545 -999.00000 8.11000 21.11340 34.54420 24.12037 0.20963 0.00054 220.28696 99.47508 -999.00000 -999.00000 -999.00000 0.00466 -999.00000 12.61000 21.11030 34.54500 24.12205 0.19360 0.00054 219.83412 99.27487 -999.00000 -999.00000 -999.00000 0.00513 -999.00000 17.27000 21.12290 34.54480 24.11870 0.20118 0.00059 219.77418 99.26255 -999.00000 -999.00000 -999.00000 0.00482 -999.00000 22.38000 21.12480 34.54740 24.12043 0.20377 0.00048 219.85620 99.29959 -999.00000 -999.00000 -999.00000 0.00379 -999.00000 27.82000 21.11640 34.54430 24.12066 0.17723 0.00071 219.96023 99.34892 -999.00000 -999.00000 -999.00000 0.00395 -999.00000 32.52000 21.14100 34.55310 24.12090 0.22245 0.00050 220.04170 99.42162 -999.00000 -999.00000 -999.00000 0.00338 -999.00000 37.70000 21.15060 34.55950 24.12342 0.25032 0.00054 219.77265 99.32418 -999.00000 -999.00000 -999.00000 0.00319 -999.00000 42.53000 21.15820 34.55970 24.12175 0.19476 0.00054 219.67710 99.28566 -999.00000 -999.00000 -999.00000 0.00381 -999.00000 47.11000 21.15250 34.55690 24.12141 0.25027 0.00066 219.85539 99.37016 -999.00000 -999.00000 -999.00000 0.00421 -999.00000 51.79000 21.17030 34.56250 24.12105 0.25805 0.00058 219.68462 99.32098 -999.00000 -999.00000 -999.00000 0.00453 -999.00000 56.54000 21.18180 34.57410 24.12699 0.24200 0.00058 219.42311 99.22554 -999.00000 -999.00000 -999.00000 0.00435 -999.00000 61.10000 21.18130 34.57400 24.12729 0.24200 0.00061 218.79665 98.94361 -999.00000 -999.00000 -999.00000 0.00389 -999.00000 67.67000 21.18590 34.57380 24.12623 0.26293 0.00071 218.14010 98.65366 -999.00000 -999.00000 -999.00000 0.00456 -999.00000 73.22000 21.19220 34.58500 24.13332 0.32196 0.00078 218.72278 98.93372 -999.00000 -999.00000 -999.00000 0.00425 -999.00000 78.40000 21.20100 34.60000 24.14260 0.33072 0.00083 219.28755 99.17942 -999.00000 -999.00000 -999.00000 0.00465 -999.00000 82.95000 21.15190 34.60980 24.16369 0.30712 0.00054 219.74409 99.33666 -999.00000 -999.00000 -999.00000 0.00462 -999.00000 87.95000 21.14840 34.61370 24.16788 0.29924 0.00055 219.58872 99.27636 -999.00000 -999.00000 -999.00000 0.00497 -999.00000 92.33000 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