# 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 11:07:47 # original profile science log name: f8146.597.20220605T002158.science.mat # profile date(gmt): 04-Jun-2022 21:55:22 # profile lat: 21.8462 # profile lon: -136.9065 # profile number: 597 # 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 3.74000 22.61610 34.31430 23.52695 0.11349 0.00071 234.59427 108.56221 -999.00000 46.15052 52.32389 52.15779 37.32281 8.38000 22.53650 34.31210 23.54817 0.14520 0.00075 236.75737 109.44932 -999.00000 42.12179 48.27521 47.91251 27.62567 12.94000 22.51100 34.31370 23.55687 0.14520 0.00079 235.42738 108.80610 -999.00000 36.63470 42.34677 41.83290 19.62437 18.02000 22.50560 34.31340 23.55846 0.13838 0.00078 233.61547 107.95523 -999.00000 31.73853 37.09701 36.45715 13.53425 23.62000 22.50240 34.31200 23.55863 0.13633 0.00088 231.20683 106.83061 -999.00000 27.69957 32.83127 32.14107 9.10685 28.50000 22.49890 34.31180 23.55976 0.16940 0.00071 230.00519 106.26687 -999.00000 25.47991 30.60931 29.94790 6.76340 33.57000 22.49460 34.31350 23.56256 0.16155 0.00075 230.14165 106.32206 -999.00000 22.67550 27.49986 26.86844 4.88047 38.50000 22.49240 34.31250 23.56270 0.16940 0.00083 229.46518 105.98250 -999.00000 20.28847 24.83256 24.21975 3.60513 43.30000 22.47970 34.31290 23.56687 0.22585 0.00096 228.02461 105.11951 -999.00000 18.10931 22.40256 21.83546 2.66939 48.11000 22.26800 34.36220 23.66435 0.25066 0.00107 227.21350 104.34607 -999.00000 15.67429 19.55194 19.07518 1.94143 52.58000 22.03360 34.40750 23.76478 0.27427 0.00083 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