# 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 11:07:17 # original profile science log name: f8146.455.20220507T140128.science.mat # profile date(gmt): 07-May-2022 11:04:58 # profile lat: 21.304 # profile lon: -136.42 # profile number: 455 # 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 3.78000 21.17700 34.54730 24.10515 0.25836 0.00058 220.41698 99.64757 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.55000 21.17950 34.54790 24.10517 0.22577 0.00062 219.38496 99.18603 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.24000 21.17870 34.54820 24.10586 0.20811 0.00074 219.00783 99.01579 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.39000 21.18070 34.54820 24.10558 0.24200 0.00075 219.10433 99.06187 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.42000 21.18020 34.54840 24.10614 0.24200 0.00063 218.80982 98.93179 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.67000 21.18400 34.54840 24.10533 0.22711 0.00067 218.89687 98.97664 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.87000 21.18600 34.54840 24.10506 0.21036 0.00058 218.89818 98.98325 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.49000 21.19370 34.55280 24.10655 0.23400 0.00054 218.66384 98.89122 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.33000 21.20020 34.56220 24.11217 0.23373 0.00050 218.78990 98.96345 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.19000 21.20230 34.56090 24.11086 0.25825 0.00070 218.78741 98.96127 -999.00000 -999.00000 -999.00000 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