# 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 11:08:28 # original profile science log name: f8146.794.20220803T092726.science.mat # profile date(gmt): 03-Aug-2022 06:26:56 # profile lat: 21.5124 # profile lon: -136.3333 # profile number: 794 # 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 23.25700 34.58350 23.54682 0.18700 0.00082 214.79133 100.72224 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.12000 23.25940 34.58400 23.54676 0.17730 0.00058 214.79352 100.72896 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.90000 23.25960 34.58480 23.54759 0.10416 0.00055 214.75954 100.71488 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.16000 23.26200 34.58360 23.54630 0.15022 0.00050 214.79748 100.73170 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.46000 23.26200 34.58280 23.54601 0.19414 0.00070 214.88089 100.76853 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.37000 23.25980 34.58330 23.54733 0.14520 0.00083 214.98384 100.80586 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.98000 23.24340 34.58140 23.55092 0.15392 0.00054 215.05899 100.81756 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.28000 23.23940 34.58010 23.55135 0.16940 0.00053 215.21730 100.87136 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.03000 23.21680 34.57790 23.55658 0.18943 0.00067 216.20112 101.17294 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.75000 22.96290 34.57370 23.62701 0.23381 0.00063 218.14477 101.67658 -999.00000 -999.00000 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