# 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 11:07:44 # original profile science log name: f8146.583.20220603T085834.science.mat # profile date(gmt): 03-Jun-2022 06:06:15 # profile lat: 21.6113 # profile lon: -136.7812 # profile number: 583 # 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 4.08000 22.52350 34.30120 23.54335 0.14520 0.00083 216.01893 99.84407 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.64000 22.53260 34.29980 23.53996 0.16368 0.00063 215.64400 99.67926 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.83000 22.53610 34.29910 23.53867 0.18016 0.00071 215.49181 99.60893 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.59000 22.53270 34.29960 23.54034 0.16829 0.00071 215.54754 99.62769 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.62000 22.53260 34.29960 23.54066 0.19181 0.00075 216.18392 99.86394 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.09000 22.49170 34.30450 23.55624 0.17605 0.00083 218.10417 100.30956 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.03000 21.87010 34.41160 23.81246 0.24200 0.00080 220.67589 100.76245 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.66000 21.70950 34.43720 23.87683 0.26238 0.00076 221.42035 100.91067 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.46000 21.66530 34.47840 23.92058 0.27399 0.00087 221.98558 101.05553 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.18000 21.50230 34.60060 24.05872 0.25040 0.00087 222.18628 101.02902 -999.00000 -999.00000 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