# 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 11:08:37 # original profile science log name: f8146.839.20220808T234004.science.mat # profile date(gmt): 08-Aug-2022 20:41:50 # profile lat: 20.4667 # profile lon: -135.7974 # profile number: 839 # 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 3.90000 23.55550 34.59450 23.46820 0.14520 0.00091 219.84151 103.61626 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.60000 23.50880 34.59510 23.48259 0.12672 0.00078 222.69202 104.82478 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.79000 23.39090 34.59860 23.51988 0.09680 0.00071 223.75611 105.21440 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.36000 23.38580 34.59660 23.52018 0.11073 0.00078 223.47594 105.06051 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.72000 23.37480 34.59720 23.52416 0.16200 0.00100 222.86668 104.66541 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.33000 23.26890 34.61120 23.56582 0.20138 0.00104 222.49953 104.24597 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.23000 23.07050 34.65700 23.65823 0.20858 0.00091 221.28906 103.46227 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.30000 23.03080 34.65340 23.66720 0.20267 0.00088 221.31104 103.42932 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 41.57000 23.03270 34.65260 23.66630 0.21780 0.00099 221.59624 103.55795 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 46.76000 23.02960 34.64950 23.66514 0.20127 0.00112 221.93520 103.67945 -999.00000 -999.00000 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