# 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 11:07:21 # original profile science log name: f8146.471.20220509T122310.science.mat # profile date(gmt): 09-May-2022 09:53:21 # profile lat: 21.1478 # profile lon: -136.4133 # profile number: 471 # 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 2.83000 21.32960 34.52880 24.04927 0.21780 0.00067 207.27862 93.94727 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.13000 21.32670 34.53000 24.05121 0.20206 0.00083 206.08709 93.40774 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 11.97000 21.33030 34.52850 24.04933 0.18408 0.00079 205.65978 93.21569 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.06000 21.32960 34.52950 24.05055 0.22618 0.00071 205.64285 93.20803 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 21.68000 21.32550 34.53000 24.05230 0.21853 0.00071 205.84039 93.29464 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 26.63000 21.32880 34.52890 24.05083 0.17630 0.00071 205.70243 93.23456 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.16000 21.33230 34.52750 24.04910 0.21554 0.00067 205.61255 93.19555 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.27000 21.33110 34.52870 24.05061 0.23773 0.00058 205.75977 93.26436 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.71000 21.33290 34.52930 24.05086 0.19777 0.00055 205.88608 93.32584 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.09000 21.33620 34.52710 24.04857 0.24005 0.00050 205.66838 93.22858 -999.00000 -999.00000 -999.00000 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