# 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 11:07:08 # original profile science log name: f8146.410.20220422T221802.science.mat # profile date(gmt): 22-Apr-2022 01:15:24 # profile lat: 20.8952 # profile lon: -136.1402 # profile number: 410 # 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 4.13000 22.32540 34.36090 23.64471 0.06620 0.00083 240.60273 110.88447 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.48000 22.32320 34.36060 23.64534 0.10469 0.00083 249.94728 115.18341 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.39000 22.32060 34.36280 23.64802 0.12100 0.00075 256.37030 118.14233 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.27000 22.32000 34.36410 23.64945 0.12833 0.00066 253.08707 116.62009 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.55000 22.30770 34.39740 23.67848 0.14520 0.00079 253.18284 116.66570 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.31000 22.30750 34.39820 23.67942 0.17090 0.00066 252.80704 116.48887 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.83000 22.30520 34.39910 23.68101 0.21060 0.00058 254.02624 117.03535 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.21000 22.28660 34.40420 23.69043 0.21633 0.00062 253.03733 116.53403 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.32000 22.25590 34.40840 23.70255 0.26620 0.00079 245.89372 113.14155 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.12000 22.17920 34.40670 23.72310 0.28396 0.00082 237.28937 108.96464 -999.00000 -999.00000 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