# 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 11:07:03 # original profile science log name: f8146.384.20220419T001456.science.mat # profile date(gmt): 18-Apr-2022 21:17:58 # profile lat: 20.9203 # profile lon: -135.9893 # profile number: 384 # 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 4.03000 22.73190 34.31460 23.49419 0.11249 0.00058 230.73024 107.02009 -999.00000 -999.00000 -999.00000 39.01872 34.87311 8.58000 22.70080 34.31380 23.50272 0.10518 0.00042 234.73645 108.73978 -999.00000 -999.00000 -999.00000 32.31189 23.45197 13.20000 22.55630 34.30870 23.54024 0.12832 0.00058 233.83588 108.14877 -999.00000 -999.00000 -999.00000 28.70771 16.91926 18.41000 22.54520 34.30800 23.54315 0.13768 0.00066 232.75973 107.63128 -999.00000 -999.00000 -999.00000 24.86686 11.48990 23.38000 22.54050 34.30850 23.54516 0.13618 0.00075 229.92833 106.31250 -999.00000 -999.00000 -999.00000 22.76753 8.42701 28.48000 22.53960 34.30730 23.54480 0.15410 0.00062 227.61329 105.23194 -999.00000 -999.00000 -999.00000 19.06227 5.61279 33.54000 22.53340 34.30660 23.54632 0.13748 0.00067 226.39159 104.65590 -999.00000 -999.00000 -999.00000 17.33327 4.06629 38.24000 22.52820 34.30850 23.54951 0.17757 0.00063 225.27146 104.13363 -999.00000 -999.00000 -999.00000 15.38982 2.90578 42.98000 22.52850 34.30660 23.54825 0.19360 0.00067 224.63953 103.83621 -999.00000 -999.00000 -999.00000 12.82558 1.98037 47.79000 22.52570 34.30840 23.55068 0.20048 0.00058 223.92304 103.50242 -999.00000 -999.00000 -999.00000 11.45059 1.44918 53.42000 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