# 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 11:06:40 # original profile science log name: f8146.277.20220317T133630.science.mat # profile date(gmt): 16-Mar-2022 15:37:28 # profile lat: 20.4079 # profile lon: -135.1273 # profile number: 277 # 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 3.84000 22.93470 34.21390 23.35979 0.16940 0.00071 216.79439 100.86050 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.71000 22.94300 34.21390 23.35769 0.16151 0.00067 216.79318 100.86626 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.62000 22.94190 34.21480 23.35897 0.14520 0.00063 216.64643 100.79896 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.34000 22.94260 34.21410 23.35851 0.13831 0.00067 216.55259 100.75451 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.96000 22.94370 34.21410 23.35854 0.13513 0.00062 216.47579 100.72057 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.36000 22.94300 34.21530 23.35998 0.17768 0.00071 216.49583 100.73314 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.88000 22.94470 34.21660 23.36074 0.17209 0.00067 216.35621 100.67075 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.28000 22.94700 34.21610 23.36002 0.14325 0.00058 216.36389 100.67665 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.50000 22.94830 34.21540 23.35941 0.18349 0.00058 216.29944 100.64674 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.33000 22.94740 34.21720 23.36126 0.18820 0.00058 216.27791 100.63897 -999.00000 -999.00000 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