Atmosphere/vegetation feedbacks: A mechanism for abrupt climate change over northern Africa

Journal of Geophysical Research Atmospheres

Volumn 113, Issue 18, 2008, Pages

  Patricola, C M ^a   Cook, K H ^a,b  

^a Institute for the Study of the Continents   (United States)

^b UNIVERSITY OF TEXAS AT AUSTIN   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CLIMATE CHANGE; COMPUTER SIMULATION; JETS; MATHEMATICAL MODELS; MOISTURE; VEGETATION;

ATMOSPHERIC MODELING; CLIMATE CHANGE; CLIMATE FEEDBACK; CLIMATE MODELING; HOLOCENE; MONSOON; PALEOCLIMATE; PRECIPITATION (CLIMATOLOGY); REGIONAL CLIMATE; SOIL MOISTURE; VEGETATION DYNAMICS;

AFRICA; SAHARA;

EID: 56549106804     PISSN: 01480227     EISSN: None     Source Type: Journal    
DOI: 10.1029/2007JD009608     Document Type: Article

References (49)

1. Blackadar, A. K. (1979), High resolution models of the planetary boundary layer, Adv. Environ. Sci. Eng., 1, 50-85.
2. Brovkin, V., M. Claussen, V. Petoukhov, and A. Ganopolski (1998), On the stability of the atmosphere-vegetation system in the Sahara/Sahel region, J. Geophys. Res., 103, 31,613-31,624, doi:10.1029/ 1998JD200006.
3. Charney, J. G. (1975), Dynamics of deserts and drought in the Sahel, Q. J. R. Meteorol. Soc., 101, 193-202, doi:10.1002/qj.49710142802.
4. Charney, J. G., W. J. Quirk, S. Chow, and J. Kornfield (1977), A comparative study of the effects of albedo change on droughts in semi-arid regions, J. Atmos. Sci., 34, 1366-1385, doi:10.1175/ 1520-0469(1977) 034<1366:ACSOTE>2.0.CO;2.
5. Claussen, M. (1998), On multiple solutions of the atmosphere-vegetation system in the present day climate, Global Change Biol., 4, 549-559, doi:10.1046/j.1365-2486.1998.t01-1-00122.x.
6. Claussen, M., C. Kubatzki, V. Brovkin, and A. Ganopolski (1999), Simulation of an abrupt change in Saharan vegetation in the mid-Holocene, Geophys. Res. Lett., 26(14), 2037-2040, doi:10.1029/ 1999GL900494.
7. Cook, K. H. (1994), Mechanisms by which surface drying perturbs tropical precipitation fields, J. Clim., 7, 400-413, doi:10.1175/ 1520-0442(1994) 007<0400:MBWSDP>2.0.CO;2.
8. Cook, K. H. (1995), Understanding perturbations of the intertropical convergence zone over tropical continents, in Global Precipitation and Climate Change, NATO ASI Ser. I, vol. 26, edited by M. Desbois and F. Desalmund, pp. 349-360, Springer, New York.
9. Cook, K. H. (1999), Generation of the African easterly jet and its role in determining West African precipitation, J. Clim., 12(5), 1165-1184, doi:10.1175/1520-0442(1999)012<1165:GOTAEJ>2.0.CO;2.
10. deMenocal, P., J. Ortiz, T. Guilderson, J. Adkins, M. Sarnthein, L. Baker, and M. Yarusinsky (2000), Abrupt onset and termination of the African Humid Period: Rapid climate responses to gradual insolation forcing, Quat. Sci. Rev., 19, 347-361, doi:10.1016/ S0277-3791(99)00081-5.
11. Dudhia, J. (1989), Numerical study of convection observed during winter monsoon experiment using a mesoscale two-dimensional model, J. Atmos. Sci., 46, 3077-3107, doi:10.1175/1520-0469(1989) 046<3077:NSOCOD>2.0.CO;2.
12. Folland, K. C., T. N. Palmer, and D. E. Parker (1986), Sahel rainfall and worldwide sea temperatures, Nature, 320, 602-607, doi:10.1038/ 320602a0.
13. Fontaine, B., S. Janicot, and V. Moron (1995), Rainfall anomaly patterns and wind field signals over West Africa in August (1958-1989), J. Clim., 8(6), 1503-1510, doi:10.1175/ 1520-0442(1995)008<1503:RAPAWF>2.0.CO;2.
14. Grell, G. A., J. Dudhia, and D. R. Stauffer (1994), A description of the fifth-generation Penn State/NCAR mesoscale model (MM5), NCAR Tech. Note, NCAR/TN-398+STR, 117 pp., Natl. Cent. for Atmos. Res., Boulder, Color.
15. Grist, J. P., and S. E. Nicholson (2001), A study of the dynamic factors influencing the rainfall variability in the West African Sahel, J. Clim., 14, 1337-1359, doi:10.1175/ 1520-0442(2001)014<1337:ASOTDF>2.0.CO;2.
16. Grodsky, S. A., J. A. Carton, and S. Nigam (2003), Near surface westerly wind jet in the Atlantic ITCZ, Geophys. Res. Lett., 30(19), 2009, doi:10.1029/2003GL017867.
17. Hagos, S. M., and K. H. Cook (2008), Ocean warming and late 20th century Sahel drought and recovery, J. Clim., in press.
18. Hales, K., J. D. Neelin, and N. Zeng (2006), Interaction of vegetation and atmospheric dynamical mechanisms in the mid-Holocene African monsoon, J. Clim., 19(16), 4105-4120, doi:10.1175/JCLI3833.1.
19. Hsieh, J.-S., and K. H. Cook (2007), A study of the energetics of African easterly waves using a regional climate model, J. Atmos. Sci., 64(2), 421-440, doi:10.1175/JAS3851.1.
20. Kain, J. S., and J. M. Fritsch (1993), Convective parameterization for mesoscale models: The Kain-Fritsch scheme, in The Representation of Cumulus Convection in Numerical Models, edited by K. A. Emanuel and D. J. Raymond, Meteorol. Monogr. Ser., 24, 165-170.
21. 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.
22. Kohfeld, K. E., and S. P. Harrison (2000), How well can we simulate past climates? Evaluating the models using global palaeoenviromnental datasets, Quat. Sci. Rev., 19(1-5), 321-346.
23. Koster, P. A., et al. (2004), Regions of strong coupling between soil moisture and precipitation, Science, 305, 1138-1140, doi:10.1126/ science.1100217.
24. Lamb, P. J. (1978), Case studies of tropical Atlantic surface circulation patterns during recent sub-Saharan weather anomalies: 1967 and 1968, Mon. Weather Rev., 106(4), 482-491.
25. Le Houerou, H. N. (2001), Biogeography of the arid steppeland north of the Sahara, J. Arid Environ., 48, 103-128, doi:10.1006/ jare.2000.0679.
26. Liu, P., W. M. Washington, G. A. Meehl, G. Wu, and G. L. Potter (2001), Historical and future trends of the Sahara Desert, Geophys. Res. Lett., 28(14), 2683-2686, doi:10.1029/2001GL012883.
27. Liu, Z., Y. Wang, R. Gallimore, M. Notaro, and I. C. Prentice (2006), On the cause of abrupt vegetation collapse in North Africa during the Holocene: Climate variability vs. vegetation feedback, Geophys. Res. Lett., 33, L22709, doi:10.1029/2006GL028062.
28. Liu, Z., et al. (2007), Simulating the transient evolution and abrupt change of northern Africa atmosphere-ocean-terrestrial ecosystem in the Holocene, Quat. Sci. Rev., 26, 1818-1837, doi:10.1016/ j.quascirev.2007.03.002.
29. Mlawer, E. J., S. J. Taubman, P. D. Brown, M. J. Iacono, and S. A. Clough (1997), Radiative transfer for inhomogeneous atmosphere: RRTM, a Validated correlated-k model for the longwave, J. Geophys. Res., 102(D14), 16,663-16,682, doi:10.1029/97JD00237.
30. New, M., M. Hulme, and P. Jones (1999), Representing twentieth-century space-time climate variability. Part 1: Development of a 1961-1990 mean monthly terrestrial climatology, J. Clim., 12, 829-856, doi:10.1175/1520-0442(1999)012<0829:RTCSTC>2.0.CO;2.
31. Newell, R. E., and J. W. Kidson (1984), African mean wind changes between Sahelian wet and dry periods, Int. J. Climatol., 4, 27-33, doi:10.1002/joc.3370040103.
32. Patricola, C. M., and K. H. Cook (2007), Dynamics of the West African monsoon under mid-Holocene precessional forcing: Regional climate model simulations, J. Clim., 20, 694-716, doi:10.1175/JCLI4013.1.
33. Peck, J. A., R. R. Green, T. Shanahan, J. W. King, J. T. Overpeck, and C. A. Scholz (2004), A magnetic mineral record of Late Quaternary tropical climate variability from Lake Bosumtwi, Ghana, Palaeogeogr. Palaeoclimatol. Palaeoecol., 215(1-2), 37-57.
34. Prentice, I. C., W. Cramer, S. P. Harrison, R. Leemans, R. A. Monserud, and A. M. Solomon (1992), A global biome model based on plant physiology and dominance, soil properties and climate, J. Biogeogr., 19, 117-134, doi:10.2307/2845499.
35. Renssen, H., V. Brovkin, T. Fichefet, and H. Goosse (2003), Holocene climate instability during the termination of the African Humid Period, Geophys. Res. Lett., 30(4), 1184, doi:10.1029/2002GL016636.
36. Rowell, D. P. (2003), The impact of Mediterranean SSTs on the Sahelian rainfall season, J. Clim., 16, 849-862, doi:10.1175/ 1520-0442(2003) 016<0849:TIOMSO>2.0.CO;2.
37. Rowell, D. P., C. K. Folland, K. Maskell, J. A. Owen, and M. N. Ward (1992), Modeling the influence of global sea-surface temperatures on the variability and predictability of seasonal Sahel rainfall, Geophys. Res. Lett., 19(9), 905-908, doi:10.1029/92GL00939.
38. Rowell, D. P., C. K. Folland, K. Maskell, and M. N. Ward (1995), Variability of summer rainfall over tropical north Africa (1906-92), Observations and modeling, Q. J. R. Meteorol. Soc., 121, 669-704.
39. Russell, J., M. Talbot, and B. Haskell (2003), Mid-Holocene climate change in Lake Bosumtwi, Ghana, Quat. Res., 60, 133-141, doi:10.1016/S0033-5894(03)00065-6.
40. Shea, D. J., K. E. Trenberth, and R. W. Reynolds (1992), A global monthly sea surface temperature climatology, J. Clim., 5, 987-1001, doi:10.1175/1520-0442(1992)005<0987:AGMSST>2.0.CO;2.
41. Tucker, C. J., H. E. Dregne, and W. W. Newcomb (1991), Expansion and contraction of the Sahara Desert from 1980 to 1990, Science, 253, 299-301, doi:10.1126/science.253.5017.299.
42. Vizy, E. K., and K. H. Cook (2002), Development and application of a mesoseale climate model for the tropics: Influence of sea surface temperature anomalies on the West African monsoon, J. Geophys. Res., 107(D3), 4023, doi:10.1029/2001JD000686.
43. Vizy, E. K., and K. H. Cook (2003), Connections between the summer east African and Indian rainfall regimes, J. Geophys. Res., 108(D16), 4510, doi:10.1029/2003JD003452.
44. Wang, Y., L. A. Mysak, Z. Wang, and V. Brovkin (2005), The greening of the McGill Paleoclimate Model. Part II: Simulation of Holocene millennial-scale natural climate changes, Clim. Dyn., 24, 481-496, doi:10.1007/s00382-004-0516-8.
45. Ward, M. N. (1998), Diagnosis and short-lead time prediction of summer rainfall in tropical North Africa at interannual and multidecadal timescales, J. Clim., 11, 3167-3191, doi:10.1175/1520-0442(1998) 011<3167:DASLTP>2.0.CO;2.
46. Xue, Y., and J. Shukla (1993), The influence of land surface properties on Sahel climate. Part I: Desertification, J. Clim., 6, 2232-2245, doi:10.1175/1520-0442(1993)006<2232:TIOLSP>2.0.CO;2.
47. Xue, Y., and J. Shukla (1996), The influence of land surface properties on Sahel climate. Part II: Afforestation, J. Clim., 9, 3260-3275, doi:10.1175/1520-0442(1996)009<3260:TIOLSP>2.0.CO;2.
48. Zeng, N., and J. D. Neelin (2000), The role of vegetation-climate interaction and interannual variability in shaping the African savanna, J. Clim., 13, 2665-2670, doi:10.1175/ 1520-0442(2000)013<2665:TROVCI>2.0.CO;2.
49. Zhang, D. L., and R. A. Anthes (1982), A high-resolution model of the planetary boundary layer - Sensitivity tests and comparisons with SESAME-79 data, J. Appl. Meteorol., 21, 1594-1609, doi:10.1175/ 1520-0450(1982)021<1594:AHRMOT>2.0.CO;2.