A recent and abrupt decline in the East African long rains

Geophysical Research Letters

Volumn 39, Issue 2, 2012, Pages

  Lyon, Bradfield ^a   Dewitt, David G ^a  

^a Earth Institute   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC TEMPERATURE; CLIMATE MODELS; COMPUTER SIMULATION; NICKEL COMPOUNDS;

BOREAL SPRING; CLIMATE MODEL SIMULATIONS; EAST AFRICANS; LARGE-SCALE PRECIPITATION; SEA SURFACE TEMPERATURES;

RAIN;

AIR-SEA INTERACTION; CLIMATE MODELING; CLIMATE PREDICTION; DROUGHT STRESS; LA NINA; PRECIPITATION (CLIMATOLOGY); RAINFALL; SEA SURFACE TEMPERATURE;

EAST AFRICA; PACIFIC OCEAN; PACIFIC OCEAN (TROPICAL);

EID: 84855905262     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2011GL050337     Document Type: Article

References (33)

1. Bond, N. A., J. E. Overland, M. Spillane, and P. Stabeno (2003), Recent shifts in the state of the North Pacific, Geophys. Res. Lett, 30(23), 2183, doi:10.1029/2003GL018597.
2. Camberlin, P., and R. E. Okoola (2003), The onset and cessation of the "long rains" in eastern Africa and their interannual variability, Theor. Appl. Climatol., 75, 43-54. (Pubitemid 36832557)
3. Camberlin, P., and N. Philippon (2002), The East African March-May rainy season: Associated atmospheric dynamics and predictability over the 1968-97 period, J. Clim., 15, 1002-1019, doi:10.1175/1520-0442 (2002)015〈1002: TEAMMR〉2.0.CO;2.
4. Cane, M. A., et al. (1997), Twentieth-century sea surface temperature trends, Science, 275, 957-960, doi:10.1126/science.275.5302.957. (Pubitemid 27087707)
5. Cantin, N. E., A. L. Cohen, K. B. Karnauskas, A. M. Tarrant, and D. C. McCorkle (2010), Ocean warming slows coral growth in the central Red Sea, Science, 329, 322-325, doi:10.1126/science.1190182.
6. Clement, A. C, R. Seager, M. A. Cane, and S. E. Zebiak (1996), An ocean dynamical thermostat, J. Clim., 9, 2190-2196, doi:10.1175/1520-0442 (1996)009〈2190AODT〉2.0.CO;2.
7. Compo, G. P., and P. D. Sardeshmukh (2010), Removing ENSO-related variations from the climate record, J. Clim., 23, 1957-1978, doi:10.1175/2009JCLI2735.1.
8. FEWS NET (2011), Past year one of the driest on record in the eastern Horn, Famine Early Warning System Network Report, June 14, 2011, U.S. Agency for International Development, Washington, D.C.
9. Funk, C, G. Senay, A. Asfaw, J. Verdin, J. Rowland, J. Michaelsen, D. Korecha, R. Choularton (2005), Recent drought tendencies in Ethiopia and equatorial-subtropical eastern Africa, U.S. Agency for International Development, Washington, D. C.
10. Funk, C., et al. (2008), Warming of the Indian Ocean threatens eastern and southern African food security but could be mitigated by agricultural development, Proc. Natl. Acad. Sci. U. S. A., 105, 11,081-11,086, doi:10.1073/pnas.0708196105.
11. Goddard, L., and N. E. Graham (1999), The importance of the Indian Ocean for simulating precipitation anomalies over eastern and southern Africa, J. Geophys. Res., 104, 19,099-19,116, doi:10.1029/1999JD900326.
12. Hession, S. L., and N. Moore (2011), A spatial regression analysis of the influence of topography on monthly rainfall in East Africa, Int. J. Clima-tol., 31, 1440-1456, doi:10.1002/joc.2174.
13. Hoerling, M., J. Hurrell, J. Eisched, and A. Phillips (2006), Detection and attribution of twentieth-century northern and southern African rainfall change, J. Clim., 19, 3989-4008, doi:10.1175/JCLI3842.1. (Pubitemid 44405154)
14. Hoerling, M. P., J. Eisched, and J. Perlwitz (2010), Regional precipitation trends: Distinguishing natural variability from anthropogenic forcing, J. Clim., 23, 2131-2145, doi:10.1175/2009JCLI3420.1.
15. Huffman, G. J., R. F. Adler, D. T. Bolvin, and G. Gu (2009), Improving the global precipitation record: GPCP Version 2.1, Geophys. Res. Lett., 36, L17808, doi;10.1029/2009GL040000.
16. Indeje, M., F. H. M. Semazzi, and L. J. Ogallo (2000), ENSO signals in East African rainfall seasons, Int. J. Climatol., 20, 19-46, doi:10.1002/(SICI)1097-0088(200001)20:1〈19::AID-JOC449〉3.0.CO;2-0. (Pubitemid 30149929)
17. Janowiak, J. E., and P. Xie (1999), CAMSOPI: A global satellite-rain gauge merged product for real-time precipitation monitoring applications, J. Clim., 12, 3335-3342, doi:10.1175/1520-0442(1999)012〈3335:COAGSR〉2.0. CO;2.
18. Kalnay, E., et al. (1996), The NCEP/NCAR 40-year reanalysis project, Bull. Am. Meteorol. Soc., 77, 437-471, doi:10.1175/1520-0477(1996) 077〈0437:TNYRP〉2.0.CO;2.
19. Kaplan, A., M. Cane, Y. Kushnir, A. Clement, M. Blumenthal, and B. Rajagopalan (1998), Analyses of global sea surface temperature 1856-1991, J. Geophys. Res., 103, 18,567-18,589, doi:10.1029/97JC01736.
20. Kiehl, J. T., et al. (1996), Description of the NCAR Community Climate Model (CCM3), Tech. Note NCAR/TN-420+STR, Natl. Cent. for Atmos. Res., Boulder, Colo.
21. Mason, S. J., and L. Goddard (2001), Probabilistic precipitation anomalies associated with ENSO, Bull. Am. Meteorol. Soc., 82, 619-638, doi:10.1175/1520-0477(2001)082〈0619:PPAAWE〉2.3.CO;2. (Pubitemid 33622652)
22. Merrifield, M. A. (2011), A shift in western tropical Pacific sea level trends during the 1990s, J. Clim., 24, 4126-4138, doi:10.1175/2011JCLI3932.1.
23. Reynolds, R. W., N. A. Rayner, T. M. Smith, D. C. Stokes, and W. Wang (2002), Improved in situ and satellite SST analysis for climate, J. Clim., 15, 1609-1625, doi:10.1175/1520-0442(2002)015〈1609:AIISAS〉2.0. CO;2.
24. Roeckner, E., et al. (1995), The atmospheric general circulation model ECHAM4: Model description and simulation of present day climate, Rep. 218, 90 pp., Max Planck Inst. fur Meteorol., Hamburg, Germany.
25. Roeckner, E., et al. (2006), Sensitivity of simulated climate to horizontal and vertical resolution in the ECHAM5 atmosphere model, J. Clim., 19, 3771-3791, doi:10.1175/JCLI3824.1. (Pubitemid 44405143)
26. Rudolf, B., and F. Rubel (2005), Global precipitation, in Observed Global Climate, New Ser. Landolt-Bornstein, Numer. Data and Funct. Relat., edited by M. Hantel, pp. 11.1-11.53, Springer, Berlin.
27. Smith, T. M., R. W. Reynolds, T. C. Peterson, and J. Lawrimore (2008), Improvements to NOAA's historical merged land-ocean surface temperature analysis (1880-2006), J. Clim., 21, 2283-2296, doi:10.1175/2007JCLI2100.1. (Pubitemid 351844078)
28. Trenberth, K. E., and D. J. Shea (2006), Atlantic hurricanes and natural variability in 2005, Geophys. Res. Lett., 33, L12704, doi:10.1029/2006GL026894. (Pubitemid 44687723)
29. United Nations Organization for the Coordination of Humanitarian Affairs (2011), Eastern Africa Drought Humanitarian Report 4, 15 July, New York, NY.
30. Vecchi, G. A., and B. J. Soden (2007), Global warming and the weakening of the tropical circulation, J. Clim., 20, 4316-4340, doi:10.1175/JCLI4258.1. (Pubitemid 47457033)
31. Vecchi, G. A., et al. (2006), Weakening of the tropical Pacific atmospheric circulation due to anthropogenic forcing, Nature, 441, 73-76, doi:10.1038/nature04744.
32. Williams, A. P., and C. Funk (2010), A westward extension of the tropical Pacific warm pool leads to March through June drying in Kenya and Ethiopia, U.S. Geol. Surv. Open File Rep., 2010-1199, 7 pp.
33. Williams, A. P., and C. Funk (2011), Westward extension of the warm pool leads to a westward extension of the Walker circulation, drying eastern Africa, Clim. Dyn., doi:10.1007/s00382-010-0984-y, in press.