# 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 11:06:55 # original profile science log name: f8146.349.20220414T142836.science.mat # profile date(gmt): 14-Apr-2022 11:24:40 # profile lat: 20.918 # profile lon: -135.8725 # profile number: 349 # 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 3.72000 22.58060 34.31980 23.54122 0.17516 0.00054 217.28345 100.53770 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.89000 22.58650 34.31940 23.53953 0.23400 0.00071 217.17649 100.49448 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.73000 22.58900 34.31860 23.53849 0.20044 0.00084 217.21031 100.51178 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.11000 22.58750 34.31930 23.53969 0.16077 0.00090 217.18945 100.50365 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.37000 22.58820 34.31950 23.53989 0.13314 0.00065 217.19553 100.50814 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.55000 22.58990 34.31880 23.53924 0.12543 0.00091 217.01112 100.42398 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.96000 22.59080 34.31820 23.53884 0.18445 0.00094 217.04103 100.43925 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.19000 22.59280 34.32070 23.54041 0.17785 0.00066 216.98899 100.41961 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.77000 22.59590 34.32630 23.54404 0.20049 0.00062 216.82381 100.35330 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.31000 22.60380 34.33240 23.54673 0.22788 0.00076 216.75410 100.34099 -999.00000 -999.00000 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