# 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 11:06:42 # original profile science log name: f8146.283.20220323T000400.science.mat # profile date(gmt): 22-Mar-2022 03:02:26 # profile lat: 20.5178 # profile lon: -135.4305 # profile number: 283 # 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 3.55000 22.69730 34.26570 23.46696 0.13784 0.00070 217.93421 101.01324 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.81000 22.68600 34.26950 23.47336 0.12100 0.00091 218.17740 101.08648 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.18000 22.63400 34.29620 23.50867 0.13498 0.00080 218.33530 101.12918 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.72000 22.63340 34.30180 23.51340 0.16218 0.00067 218.16181 101.03754 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.00000 22.63480 34.30800 23.51801 0.15316 0.00071 217.99614 100.96371 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.70000 22.63860 34.31020 23.51888 0.16940 0.00080 217.95411 100.94652 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.50000 22.63840 34.31060 23.51946 0.16940 0.00066 217.86318 100.89961 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.97000 22.63270 34.31140 23.52200 0.16940 0.00077 217.84309 100.88334 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.34000 22.63120 34.31195 23.52315 0.18505 0.00078 217.71764 100.81945 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.71000 22.62970 34.31250 23.52430 0.20070 0.00080 217.59220 100.75556 -999.00000 -999.00000 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