# 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 11:08:05 # original profile science log name: f8146.686.20220629T011750.science.mat # profile date(gmt): 28-Jun-2022 22:52:38 # profile lat: 22.8458 # profile lon: -137.5057 # profile number: 686 # 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 3.56000 22.68920 34.49210 23.64093 0.13049 0.00104 236.43797 109.73173 -999.00000 22.73930 25.18285 24.65782 17.58494 8.64000 22.69160 34.49120 23.63985 0.13168 0.00096 239.72824 111.24829 -999.00000 21.83835 24.41333 23.68606 13.20898 13.08000 22.67920 34.49200 23.64425 0.17874 0.00092 241.10245 111.83168 -999.00000 20.86921 23.39574 22.44981 10.07391 18.29000 22.61940 34.48680 23.65765 0.16207 0.00083 239.51207 110.92313 -999.00000 20.53287 23.18079 22.05190 7.87725 22.88000 22.49890 34.48610 23.69164 0.18587 0.00079 237.12900 109.62659 -999.00000 19.96532 22.70310 21.46967 6.28715 27.89000 22.42750 34.48400 23.71058 0.17704 0.00079 235.98540 108.99644 -999.00000 19.13753 21.93153 20.55030 4.79196 32.96000 22.40070 34.48220 23.71709 0.20095 0.00088 235.14879 108.55262 -999.00000 17.92225 20.63312 19.12304 3.53998 38.23000 22.36530 34.48110 23.72656 0.20291 0.00075 234.37196 108.08119 -999.00000 14.94382 17.22993 15.69054 2.22943 43.35000 22.26420 34.47860 23.75348 0.18761 0.00083 234.09216 107.74672 -999.00000 13.04255 15.15617 13.68651 1.54246 47.47000 22.19200 34.47890 23.77427 0.23581 0.00088 233.42826 107.18467 -999.00000 11.83586 13.90878 12.57210 1.19076 51.77000 21.97220 34.49740 23.85016 0.26620 0.00099 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