# 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 11:08:06 # original profile science log name: f8146.689.20220629T092504.science.mat # profile date(gmt): 29-Jun-2022 06:44:21 # profile lat: 22.8388 # profile lon: -137.5351 # profile number: 689 # 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 4.39000 22.60610 34.49130 23.66406 0.15896 0.00096 213.62499 98.99290 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.10000 22.60620 34.49080 23.66386 0.14520 0.00092 213.15250 98.77547 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.45000 22.60890 34.49130 23.66378 0.15302 0.00079 213.01850 98.71289 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.32000 22.60630 34.49050 23.66419 0.16940 0.00079 213.12404 98.73524 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.78000 22.58530 34.48920 23.66944 0.16226 0.00088 213.62497 98.85174 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.20000 22.41480 34.48310 23.71351 0.17788 0.00075 214.40424 98.99523 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.94000 22.38200 34.48330 23.72321 0.24200 0.00083 214.74673 99.09373 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.60000 22.34350 34.47990 23.73183 0.24200 0.00089 215.72871 99.37150 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 41.76000 22.27840 34.47630 23.74765 0.25431 0.00092 217.00383 99.64197 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.05000 21.77020 34.55730 23.95172 0.30059 0.00099 218.52708 99.70132 -999.00000 -999.00000 -999.00000 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