# 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 11:07:17 # original profile science log name: f8146.452.20220507T044950.science.mat # profile date(gmt): 07-May-2022 02:29:00 # profile lat: 21.3128 # profile lon: -136.4264 # profile number: 452 # 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 3.36000 21.32640 34.55060 24.06675 0.23974 0.00059 219.89883 99.67815 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.61000 21.32850 34.54970 24.06571 0.20448 0.00061 218.70977 99.13942 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 11.17000 21.32560 34.55110 24.06776 0.20949 0.00046 218.26894 98.94029 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 16.81000 21.32563 34.55043 24.06754 0.22033 0.00049 218.15607 98.87392 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.45000 21.32567 34.54977 24.06733 0.23116 0.00051 218.04321 98.80757 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.09000 21.32570 34.54910 24.06711 0.24200 0.00053 217.93034 98.74124 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.06000 21.23610 34.53650 24.08233 0.24200 0.00075 218.34948 98.83827 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.69000 21.23920 34.53500 24.08059 0.24933 0.00079 218.24189 98.73659 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.97000 21.19730 34.52770 24.08676 0.27415 0.00079 218.62844 98.83028 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.84000 21.15130 34.52780 24.09964 0.29040 0.00091 219.10967 98.99745 -999.00000 -999.00000 -999.00000 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