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From particle-reactive radionuclide fluxes to Particulate Carbon flux
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Dep
th (m
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PC/210Po ratios (µmol C dpm-1)
Aug 17
Aug 23
Sept 4
1-5 µmparticles
PC Flux = 210Po Flux · PC/210Po234Th Flux · PC/234Th
AcknowledgementsThe 210Po/210Pb research is funded by the WHOI’s Ocean Twilight Zone project while NASA is acknowledged for 234Th and traps work. We thank the whole EXPORTS team, especially the Th and Trap groups, as well as the crew aboard the R/V Sally
Ride and R/V Roger Revelle. OCB Summer Workshop, June 24th to 27th 2019, Woods Hole (MA)
CONCLUSIONSü Similar export depth for 210Po and 234Th (surface to 75-125 m) where Po
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