# 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 11:06:15 # original profile science log name: f8146.155.20220208T235342.science.mat # profile date(gmt): 08-Feb-2022 21:07:58 # profile lat: 19.4512 # profile lon: -134.754 # profile number: 155 # 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 3.87000 23.29590 34.32550 23.34011 0.18969 0.00051 215.46763 100.94571 0.04948 -999.00000 -999.00000 -999.00000 -999.00000 8.45000 23.29630 34.32590 23.34057 0.22672 0.00058 215.45880 100.94608 0.04917 -999.00000 -999.00000 -999.00000 -999.00000 13.66000 23.29510 34.32610 23.34138 0.22504 0.00067 215.42755 100.93704 0.05035 -999.00000 -999.00000 -999.00000 -999.00000 19.14000 23.29620 34.32660 23.34177 0.18055 0.00063 215.30626 100.87891 0.04973 -999.00000 -999.00000 -999.00000 -999.00000 22.70000 23.29620 34.32680 23.34214 0.19545 0.00050 215.27362 100.85488 0.04937 -999.00000 -999.00000 -999.00000 -999.00000 28.05000 23.29460 34.32860 23.34430 0.22643 0.00066 215.28468 100.85488 0.04960 -999.00000 -999.00000 -999.00000 -999.00000 34.02000 23.29250 34.34020 23.35406 0.21296 0.00078 215.12733 100.79085 0.04530 -999.00000 -999.00000 -999.00000 -999.00000 38.74000 23.29890 34.35790 23.36589 0.25172 0.00071 214.96915 100.74541 0.04617 -999.00000 -999.00000 -999.00000 -999.00000 43.40000 23.31260 34.36990 23.37128 0.25685 0.00076 214.91880 100.73808 0.04713 -999.00000 -999.00000 -999.00000 -999.00000 48.29000 23.30910 34.37680 23.37781 0.24200 0.00079 214.82163 100.69147 0.04625 -999.00000 -999.00000 -999.00000 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