# 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 11:08:13 # original profile science log name: f8146.725.20220703T073818.science.mat # profile date(gmt): 03-Jul-2022 05:15:05 # profile lat: 22.4851 # profile lon: -137.8518 # profile number: 725 # 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 3.34000 22.47880 34.50860 23.71330 0.20873 0.00116 215.51234 99.66234 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.61000 22.47960 34.50900 23.71361 0.19360 0.00117 215.10714 99.47827 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.20000 22.48340 34.50770 23.71181 0.20025 0.00133 215.01451 99.43848 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.02000 22.48490 34.50880 23.71255 0.22526 0.00133 215.01243 99.44164 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.13000 22.48670 34.50890 23.71241 0.21966 0.00137 215.05000 99.45855 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.07000 22.48710 34.50930 23.71288 0.16940 0.00145 215.25147 99.53206 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.05000 22.46710 34.50970 23.71914 0.16132 0.00141 216.26251 99.84531 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.84000 22.29700 34.52560 23.77959 0.16288 0.00124 217.50764 100.04929 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.22000 22.01750 34.56120 23.88540 0.20870 0.00116 218.03852 100.03193 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.35000 21.97420 34.59670 23.92475 0.23310 0.00137 218.14599 100.03035 -999.00000 -999.00000 -999.00000 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