# 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 11:07:04 # original profile science log name: f8146.387.20220419T085048.science.mat # profile date(gmt): 19-Apr-2022 05:55:22 # profile lat: 20.9344 # profile lon: -135.9958 # profile number: 387 # 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 22.53820 34.30880 23.54492 0.18531 0.00059 217.29195 100.45717 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.41000 22.53970 34.30850 23.54453 0.17795 0.00074 217.04600 100.34579 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.94000 22.54120 34.30800 23.54398 0.17805 0.00054 216.92336 100.29308 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.92000 22.54470 34.30910 23.54410 0.15312 0.00042 216.92891 100.30049 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.81000 22.54390 34.30970 23.54507 0.15433 0.00041 217.00409 100.33445 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.95000 22.54290 34.31020 23.54603 0.14832 0.00062 217.12110 100.38694 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.62000 22.54410 34.30910 23.54518 0.21007 0.00071 217.05903 100.34199 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.63000 22.52020 34.31630 23.55771 0.19360 0.00067 217.06195 100.28716 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.80000 22.46660 34.34730 23.59671 0.18449 0.00058 217.16270 100.25690 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.05000 22.41920 34.39330 23.64526 0.16940 0.00058 217.11759 100.21744 -999.00000 -999.00000 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