# 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 11:07:48 # original profile science log name: f8146.599.20220605T054704.science.mat # profile date(gmt): 05-Jun-2022 02:54:05 # profile lat: 21.8804 # profile lon: -136.9247 # profile number: 599 # 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 3.57000 22.51490 34.31100 23.55319 0.13680 0.00091 214.36795 99.06750 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.18000 22.51770 34.31070 23.55243 0.13581 0.00055 214.16974 98.97034 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.33000 22.50480 34.31080 23.55645 0.18429 0.00054 214.17584 98.95437 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.27000 22.49780 34.30970 23.55788 0.21780 0.00071 214.22109 98.96408 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.04000 22.49670 34.30990 23.55862 0.21780 0.00071 214.27422 98.98319 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.64000 22.49180 34.31180 23.56178 0.23257 0.00071 214.61005 99.10493 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.70000 22.48330 34.31000 23.56311 0.24951 0.00079 216.08270 99.47413 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.34000 22.03570 34.39640 23.75498 0.23284 0.00088 217.60201 99.68656 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.49000 21.89270 34.44740 23.83392 0.27605 0.00076 218.64797 99.87876 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.42000 21.70940 34.48270 23.91189 0.30396 0.00083 219.18343 99.91135 -999.00000 -999.00000 -999.00000 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