# 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 11:08:26 # original profile science log name: f8146.785.20220802T061228.science.mat # profile date(gmt): 01-Aug-2022 08:29:11 # profile lat: 21.776 # profile lon: -136.4873 # profile number: 785 # 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 4.52000 23.28050 34.58890 23.54414 0.15375 0.00071 215.29197 101.00292 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.82000 23.28540 34.58930 23.54327 0.14660 0.00088 215.23046 100.97973 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.74000 23.28210 34.59040 23.54536 0.11283 0.00067 215.19389 100.96271 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.57000 23.28680 34.58830 23.54269 0.14520 0.00058 215.22469 100.97907 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.27000 23.28860 34.58990 23.54366 0.16030 0.00066 215.33026 101.02295 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.32000 23.27400 34.58750 23.54639 0.18636 0.00076 215.57298 101.10257 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.48000 23.26600 34.58540 23.54743 0.16133 0.00058 216.35956 101.35324 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.28000 23.15710 34.57740 23.57319 0.17073 0.00076 217.65554 101.65574 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.83000 22.91550 34.58310 23.64741 0.21780 0.00090 218.70553 101.89561 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.27000 22.82680 34.59470 23.68197 0.23191 0.00060 220.09815 102.28968 -999.00000 -999.00000 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