# 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 11:08:16 # original profile science log name: f8146.735.20220704T091146.science.mat # profile date(gmt): 04-Jul-2022 06:46:51 # profile lat: 22.3633 # profile lon: -137.8555 # profile number: 735 # 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 3.66000 22.46440 34.51870 23.72506 0.16940 0.00154 216.56906 100.13180 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.32000 22.46270 34.51740 23.72482 0.16121 0.00157 216.34543 100.02739 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.89000 22.46950 34.51680 23.72269 0.15365 0.00141 216.20554 99.96601 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.47000 22.46410 34.51800 23.72539 0.18320 0.00154 216.25996 99.98877 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.00000 22.46740 34.51810 23.72485 0.20332 0.00145 216.50249 100.09752 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.16000 22.46000 34.51970 23.72846 0.16940 0.00145 217.50630 100.41340 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.30000 22.21510 34.55470 23.82450 0.17851 0.00150 219.24811 100.82192 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.55000 22.03380 34.59710 23.90783 0.20250 0.00162 219.59629 100.80436 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 41.90000 22.03010 34.59550 23.90790 0.21780 0.00161 219.57435 100.75483 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 46.44000 21.98580 34.59980 23.92381 0.20925 0.00145 219.63997 100.75272 -999.00000 -999.00000 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