# 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 11:08:06 # original profile science log name: f8146.688.20220629T063502.science.mat # profile date(gmt): 29-Jun-2022 03:56:18 # profile lat: 22.8454 # profile lon: -137.5235 # profile number: 688 # 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 3.73000 22.64000 34.49230 23.65512 0.13589 0.00091 213.96318 99.21048 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.75000 22.64150 34.49130 23.65422 0.16940 0.00103 213.33610 98.92182 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.73000 22.64410 34.49120 23.65363 0.15382 0.00092 213.15807 98.84034 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.70000 22.64420 34.49060 23.65343 0.12846 0.00087 213.38700 98.92449 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.81000 22.62450 34.48980 23.65873 0.16659 0.00096 214.08199 99.10980 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.05000 22.42420 34.48310 23.71084 0.21780 0.00092 214.81279 99.20598 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.31000 22.39530 34.48250 23.71886 0.21031 0.00079 215.04935 99.26665 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.30000 22.37360 34.48120 23.72429 0.19360 0.00079 215.42412 99.35921 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.14000 22.33290 34.47850 23.73402 0.19360 0.00103 216.49917 99.64881 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.36000 22.18120 34.47640 23.77545 0.22093 0.00106 218.33310 100.15867 -999.00000 -999.00000 -999.00000 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