# 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 11:08:19 # original profile science log name: f8146.750.20220705T232052.science.mat # profile date(gmt): 05-Jul-2022 20:56:32 # profile lat: 22.2137 # profile lon: -137.8038 # profile number: 750 # 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 3.51000 22.64710 34.53010 23.68174 0.13757 0.00145 225.15342 104.38068 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.33000 22.49520 34.52740 23.72318 0.13601 0.00145 226.91998 104.99091 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.23000 22.47770 34.52830 23.72911 0.16180 0.00149 227.24827 105.11524 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.07000 22.46670 34.52790 23.73220 0.15265 0.00154 226.80314 104.89291 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.09000 22.46390 34.52790 23.73328 0.17719 0.00145 226.87568 104.91294 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.98000 22.45820 34.52740 23.73480 0.18569 0.00145 227.47766 105.15259 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.63000 22.43490 34.52910 23.74296 0.19387 0.00149 227.42368 104.87898 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.22000 22.10360 34.58360 23.87800 0.24200 0.00162 227.56477 104.56695 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 41.57000 22.05680 34.58170 23.88992 0.23324 0.00165 227.30548 104.37602 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.17000 22.01655 34.59030 23.90802 0.23728 0.00168 227.06221 104.17991 -999.00000 -999.00000 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