# 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 11:07:24 # original profile science log name: f8146.484.20220510T234022.science.mat # profile date(gmt): 10-May-2022 20:43:29 # profile lat: 20.9782 # profile lon: -136.4237 # profile number: 484 # 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 3.67000 21.49850 34.55730 24.02453 0.13800 0.00067 311.29116 141.57393 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.97000 21.50040 34.55750 24.02444 0.14202 0.00058 340.80480 154.99036 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.55000 21.48210 34.55870 24.03058 0.16256 0.00058 354.45435 161.15863 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.13000 21.46440 34.55650 24.03408 0.13754 0.00058 344.73993 156.67592 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.01000 21.44680 34.55750 24.03995 0.13713 0.00058 332.78998 151.21602 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.81000 21.44700 34.55330 24.03697 0.16940 0.00063 333.28829 151.42862 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 31.77000 21.43640 34.55740 24.04322 0.16940 0.00074 324.90605 147.60109 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 36.91000 21.42590 34.56320 24.05079 0.17797 0.00079 316.71163 143.85580 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 41.43000 21.43840 34.57270 24.05481 0.19972 0.00068 317.93864 144.41141 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.68000 21.39260 34.61680 24.10125 0.21780 0.00058 303.90240 137.95251 -999.00000 -999.00000 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