# 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 11:08:34 # original profile science log name: f8146.825.20220807T060232.science.mat # profile date(gmt): 07-Aug-2022 03:00:19 # profile lat: 20.8219 # profile lon: -135.8415 # profile number: 825 # 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 2.96000 23.38850 34.59560 23.51772 0.19360 0.00075 213.51980 100.35858 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.06000 23.38740 34.59460 23.51759 0.19360 0.00083 213.41991 100.30863 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.15000 23.38730 34.59580 23.51883 0.19360 0.00087 213.21623 100.20801 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.59000 23.37860 34.59610 23.52191 0.20940 0.00100 213.28640 100.22231 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.41000 23.36970 34.59570 23.52449 0.22222 0.00098 213.38155 100.22168 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.21000 23.32790 34.59950 23.53976 0.19360 0.00089 213.54012 100.24509 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.13000 23.29020 34.60350 23.55416 0.21780 0.00093 213.87579 100.34047 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.68500 23.26180 34.60055 23.56043 0.21780 0.00092 214.44647 100.52283 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.24000 23.23340 34.59760 23.56671 0.21780 0.00090 215.01714 100.70488 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.90000 23.10620 34.58280 23.59263 0.24079 0.00100 217.98309 101.52939 -999.00000 -999.00000 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