# 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 11:08:30 # original profile science log name: f8146.804.20220804T144704.science.mat # profile date(gmt): 04-Aug-2022 11:46:38 # profile lat: 21.3175 # profile lon: -136.1813 # profile number: 804 # 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 3.90000 23.24690 34.58860 23.55362 0.15293 0.00067 214.19998 100.43158 -999.00000 0.58744 0.65341 0.63770 0.34936 8.83000 23.24150 34.58800 23.55503 0.16100 0.00063 214.07316 100.37431 -999.00000 0.39840 0.43564 0.42295 0.18311 13.21000 23.25730 34.58800 23.55071 0.15250 0.00071 214.01142 100.35873 -999.00000 0.29958 0.32364 0.31190 0.11278 18.33000 23.25730 34.58690 23.55018 0.16020 0.00071 214.05334 100.37666 -999.00000 0.20997 0.22024 0.21095 0.06384 22.54000 23.25660 34.58790 23.55139 0.13051 0.00067 214.10755 100.40310 -999.00000 0.16196 0.16556 0.15757 0.04350 27.73000 23.25720 34.58700 23.55085 0.11814 0.00066 214.18856 100.43836 -999.00000 0.11785 0.11275 0.10681 0.02757 32.98000 23.25460 34.58840 23.55298 0.16940 0.00083 214.34571 100.50309 -999.00000 0.08481 0.07538 0.07133 0.01890 38.38000 23.24680 34.58580 23.55359 0.16145 0.00083 214.81275 100.66389 -999.00000 0.06060 0.04640 0.04717 0.01449 43.17000 23.18630 34.57870 23.56602 0.17671 0.00083 215.62761 100.90836 -999.00000 0.04492 0.02881 0.03119 0.01333 47.92000 23.10310 34.56870 23.58278 0.22955 0.00090 217.38015 101.39609 -999.00000 0.03418 0.01708 0.02065 0.01075 53.05500 22.73923 34.60612 23.71541 0.23183 0.00086 219.68334 101.85355 -999.00000 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