# 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 11:08:22 # original profile science log name: f8146.767.20220713T055732.science.mat # profile date(gmt): 12-Jul-2022 08:27:34 # profile lat: 22.0793 # profile lon: -137.3504 # profile number: 767 # 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 3.23000 22.81960 34.56840 23.66146 0.16720 0.00055 217.01850 100.98799 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.51000 22.81650 34.56940 23.66342 0.20890 0.00055 216.86437 100.91601 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.86000 22.81920 34.56840 23.66214 0.17859 0.00063 216.83415 100.90283 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.94000 22.81970 34.56900 23.66274 0.14520 0.00042 216.92430 100.94595 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.28000 22.82030 34.56960 23.66334 0.14520 0.00041 217.00742 100.97727 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.30000 22.80940 34.56760 23.66524 0.15268 0.00062 217.10515 100.95983 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.30000 22.73010 34.56520 23.68639 0.16123 0.00062 217.43093 100.98744 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.04000 22.68250 34.56680 23.70147 0.14520 0.00057 217.67909 101.04853 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.23000 22.67820 34.56670 23.70292 0.16192 0.00070 218.41860 101.33935 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.71000 22.63500 34.56560 23.71466 0.20807 0.00050 220.42441 101.95802 -999.00000 -999.00000 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