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A list of Dr. Nicholson's newly submitted and published papers.  Those with the PDF symbol  can be downloaded and displayed with Adobe Acrobat Reader.

  1. 2008 A jet streak circulation associated with a low-latitude jet in the Southern Hemisphere over Africa.  Submitted to Journal of Climate.  S. E. Nicholson, R. Hart, and P. Cunningham

  2. 2008 A Low Level jet along the Benguela coast, an integral part of the Benguela Current Ecosystem.  Submitted to Climatic Change.   Sharon E. Nicholson

  3. 2008  A note on the existence of a low-level southerly jet along the Benguela coast of Southern Africa.  Sharon E. Nicholson  Submitted to the Journal of Climate.

  4. 2008 Mesoscale convective systems over western equatorial Africa and their relationship to large-scale circulation.  Brian Jackson, Sharon Nicholson and Douglas Klotter.  Submitted to Monthly Weather Review

  5. 2008  On the factors modulating the intensity of the tropical rainbelt over West Africa. In press with International Journal of Climatology. Sharon E Nicholson

  6. 2008  A revised picture of the structure of the "monsoon" and land ITCZ over West Africa, Submitted to Climate Dynamics. Sharon E Nicholson

  7. 2008 An analysis of West African dynamics using a linerized GCM: Submitted to the Journal of Atmospheric Sciences, 2008.  S.E. Nicholson, A.I. Barcilon, and M. Challa.

  8. 2008 The relationship of rainfall variability in West Central Africa to sea-surface temperature fluctuations.  Interational Journal of Climatology, Vol 27, 1335-1349.  N. Balas, S.E. Nichoson, and D. Klotter.

  9. 2008.  The intensity, location and structure of the tropical rainbelt over west Africa as factors in interannual variability.  S. E. Nichols.  In press, International Journal of Climatology.  (uncorrected galley proof)

  10. 2007  A physical basis for the interannual variability of rainfall in the Sahel.  Quarterly Journal of the Royal Meteorological Society Volume 133, Issue 629,  Part B, Pages: 2065-2084.  Sharon E. Nicholson, Peter J. Webster

  11. 2007 Wave Activity on the Tropical Easterly Jet.  Journal of the Atmospheric Sciences. Vol. 64., S.E. Nicholson A.I. Barcilon, M. Challa, J. Baum. 

  12.  2005 On the question of "recovery" of the rains in the West African Sahel. Journal of Arid Environments . Vol. 63, 615-641, S.E. Nicholson. 

  13.  2003: Validation of TRMM and Other Rainfall Estimates with a High-Density Gauge Dataset for West Africa. Part II: Validation of TRMM Rainfall Products. Journal of Applied Meteorology: Vol. 42, No. 10, pp. 1355–1368. S. E. Nicholson, B. Some, J. McCollum, E. Nelkin, D. Klotter, Y. Berte, B. M. Diallo, I. Gaye, G. Kpabeba, O. Ndiaye, J. N. Noukpozounkou, M. M. Tanu, A. Thiam, A. A. Toure and A. K. Traore.

  14. 2003: Validation of TRMM and Other Rainfall Estimates with a High-Density Gauge Dataset for West Africa. Part I: Validation of GPCC Rainfall Product and Pre-TRMM Satellite and Blended Products. Journal of Applied Meteorology: Vol. 42, No. 10, pp. 1337–1354. S. E. Nicholson, B. Some, J. McCollum, E. Nelkin, D. Klotter, Y. Berte, B. M. Diallo, I. Gaye, G. Kpabeba, O. Ndiaye, J. N. Noukpozounkou, M. M. Tanu, A. Thiam, A. A. Toure and A. K. Traore.

  15. 2003: The Seasonal Evolution of the Atmospheric Circulation over West Africa and Equatorial Africa. Journal of Climate: Vol. 16, No. 7, pp. 1013–1030. Sharon E. Nicholson and Jeremy P. Grist.

  16. 2003: Comments on “The South Indian Convergence Zone and Interannual Rainfall Variability over Southern Africa” and the Question of ENSO's Influence on Southern Africa. Journal of Climate: Vol. 16, No. 3, pp. 555–562. Sharon Nicholson.

  17. 2002:  Envirnomental characterization of global sources of atmospheric soil dust indentified with the NIMBUS 7 Total Ozone Mapping Spectrometer (TOMS) absorbing aerosol product.  V0l. 40, No.1, pp. 1-31.  Joseph M. Prospero, Paul Ginoux, Omar Torres, Sharon E. Nicholson, Thomas E. Gill.

  18. 2002: Interpreting Annual Rainfall from the Levels of Lake Victoria. Journal of Hydrometeorology: Vol. 3, No. 4, pp. 406–416. Xungang Yin and Sharon E. Nicholson.

  19. 2002:  Easterly Waves over Africa, Part I:  The Seasonal Cycle and contrasts between Wet and Dry Years.  Jeremy P. Grist, Monthly Weather Review: Vol. 130.  pp 197-211

  20. 2002: Easterly Waves over Africa. Part II: Observed and Modeled Contrasts between Wet and Dry Years. Monthly Weather Review: Vol. 130, No. 2, pp. 212–225.  Jeremy P. Grist, Sharon E. Nicholson and Albert I. Barcilon.

  21. Climate and environmental change2001: Climate and environmental change in Africa during the last two centuries. Climate Research, August 15, Vol 14, 123-144. 2001

  22. Rainfall Variabilty, Grist2001: A Study of the Dynamic Forces Influencing Rainfall Variability in the West Africa Sahel (with J. P. Grist). Journal of Climate, 14, 1337-1359.

  23. Sat. Radiation II2001: Satellite-Derived Surface Radiation Budget over the African Continent. Part II: Climatologies of the Various Components. (with M.B. Ba and R. Frouin). Journal of Climate, 14, 60-76.

  24. Rainfall Variabilty, Grist 2001: Satellite-Derived Surface Radiation Budget over the African Continent. Part I: Estimation of Downward Solar Irradiance and Albedo. Journal of Climate: Vol. 14, No. 1, pp. 45–58. Mamoudou B. Ba, Robert Frouin, Sharon E. Nicholson and Gérard Dedieu.

  25. Rainfall (Yin)2001: Rainfall Conditions in Equatorial East Africa During the Nineteenth Century as Inferred from the Record ofLake Victoria . (with X. Yin) Climatic Change, 48, 387-398.

  26. El Nino over Botswana2001: The Relationship between El Nino and Drought over Botswana. (with D. Leposo, J. Grist) Journal of Climate, 14, 323-335.

  27. 2001: Mesoscale patterns of rainfall, cloudiness and evaporation over the Great Lakes of Africa (S. E. Nicholson and X. Yin). IDEAL Symposium volume, in press.

  28. African dataset2001: A semi-quantitative, regional precipitation data set for studying African climates of the nineteenth century, Part I. Overview of the data set. Climatic Change, 50, 317-353.

  29. African dataset 2001: A  conceptual model for understanding rainfall variability in the West African Sahel on interannual and interdecadal time scales (S. E. Nicholson and J. P. Grist ). International Journal of Climatology 21: 1733-1757.

  30. 2002:  Environmental characterization of global sources of atmospheric soil dust identified with the NIMBUS 7 Total Ozone Mapping Spectrometer (TOMS) absorbing aerosol product.  Journal of Geophysical Research, 40.

  31. 2001: The climatic, paleoclimatic and surface environments of global sources of mineral aerosols (S.E. Nicholson, P. Ginoux and J. M. Prospero). In preparation for Journal of Arid Environments.

  32. Interannual Variability2000: Interannual Variability in Rainfall, Water Vapor Flux, and Vertical Motion over West Africa. (with M. Long and D. Entekhabi) Journal of Climate, 13, 3827-3841.

  33. Rain Variability2000: The Nature of Rainfall Variability over Africa on Time-Scales of Decades to Millenia. Global and Planetary Change, 26, 137-138.

  34. La Nina on African Rainfall2000: The Influence of La Nina on African Rainfall. (with J.C. Selato) International Journal of Climatology, 20, 1761-1776.

  35. Land Surface2000: Land Surface Processes and Sahel Climate. Reviews of Geophysics, 38, 117-139.

  36. Lake Victoria Water Balance2000: On the Feasiblity of using a Lake Water Balance Model to infer Rainfall: an Example from Lake Victoria. Hyrdological Sciences - Journal, 45, 75-95.

  37. Rain West Africa2000: An Analysis of Recent Rainfall Conditions in West Africa, Including the Rainy Seasons of the 1997 El Niño and the 1998 La Niña Years (with B. Some and B. Kone). Journal of Climate, 13, 2628-2640.

  38. Cloudiness Lake Victoria2000: On the diurnal cycle of cloudiness over Lake Victoria and its influence on evaporation from the lake (with X. Yin and M.B. Ba). Hyrdological Sciences - Journal 45, 407-424.

  39. 2000: Indices and indicators of climate extremes in Africa . J. African Met. Soc. (L. A. Ogallo, S. J. Mason, S. M. King'uyu, S. E. Nicholson, B. S. Nyenzi, E. Matari, and G. M. Mimmack), in press.

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    This site was last updated 11/21/07