Transport and Impacts of African Dust on Weather and Climate - Part 1

Transport and Impacts of African Dust on Weather and Climate - Part 1

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Intro

1 of 20

1 of 20

Intro

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Transport and Impacts of African Dust on Weather and Climate - Part 1

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  1. 1 Intro
  2. 2 What is the origin of the Belterra Clay formation, one of the most abundant surface materials of the Amazon Basin?
  3. 3 Dust transport from Africa to Amazonia
  4. 4 Sampling sites
  5. 5 Major element composition: Bodélé vs. Belterra
  6. 6 Rare earth patterns differ strongly between Belterra and Bodélé
  7. 7 No overlap between Pb isotope sienatures of African dust and Belterra
  8. 8 Neodymium isotopes
  9. 9 Belterra isotopes inconsistent with rivers from Andes
  10. 10 Isotope systems can also elucidate source regions of dusts that do reach the western Atlantic and South America...
  11. 11 Conclusions
  12. 12 Measurements of African dust aerosol properties as ice nuclei in the laboratory and atmosphere
  13. 13 Overview of Presentation
  14. 14 Dust data during ICE-T stand out in comparison to global IN parameterization of size dependence
  15. 15 CFDC field and lab data are consistent for both African and Asian mineral dusts
  16. 16 ICE-TRF4 profile through African dust layer and Ke nuclei parameterizations
  17. 17 ICE-T RF6 ice nuclei concentration versus T
  18. 18 Aside: Seaspray IN (lab-red pts) ICE-T (blue pes) and historical marine IN data comparison
  19. 19 Acknowledgments
  20. 20 Does Precipitation Follow the Surface Forcing?

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