Allen, B.D. and Anderson, R.Y. 1993. Evidence from western North America for rapid shifts in climate during the last glacial maximum. Science 260: 1920-1923.

Allen, C.D., Betancourt, J.L. and Swetnam, T.W. 1998. Landscape changes in the southwestern United States: Techniques, long-term data sets and trends. In: Sisk, T.D. (ed). Perspectives on the Land Use History of North America: A context for understanding our changing environment. Biological Science Report USGS/BRD/BSR-1998-0003. U.S. Geological Survey, Reston, Virginia, p. 71-84

Allen, J.R.M., et al.. 1999. Rapid environmental changes in southern Europe during the last glacial period. Nature 400: 740-3. Data.

Alley, R.B. 2000. The Younger Dryas cold interval as viewed from central Greenland. Quaternary Science Reviews 19: 213-226. Data.

Alley, R.B., Meese, D.A., Shuman, C.A., Gow, A.J., Taylor, K.C., Grootes, P.M., White, J.W.C., Ram, M., Waddington, E.D., Mayewski, P.A. and Zielinski, G.A. 1993. Abrupt increase in Greenland snow accumulation at the end of the Younger Dryas event. Nature 362: 527-529.

Alley, R. B., Mayewski, P.A., Sowers, T., Stuiver, M., Taylor, K.C., and Clark, P.U.. 1997. Holocene climatic instability: A prominent, widespread event 8,200 years ago. Geology 25(6): 483-486.

Alley, R.B., Mayewski, P.A., Sowers, T., Stuiver, M., Taylor, K.C. and Clark, P.U. 1997. Holocene climatic instability: A prominent, widespread event 8200 yrs ago. Geology 25: 483-486.

Alverson, K., Moore, G.W.K., Holdsworth, G. and Cole, J. 2001. Improving climate predictability and understanding decadal variability using proxy climate data. CLIVAR Exchanges 19, 3pp.

Baldini, J.U.L., McDermott, F. and Fairchild, I.J. 2002. Structure of the 8200-year cold event revealed by a speleothem trace element record. Science 296: 2203-2206.

Barber, D.C., Dyke, A., Hillaire-Marcel, C., Jennings, A.E., Andrews, J.T., Kerwin, M.W., Bilodeau, G., McNeely, R., Southon, J., Morehead, M.D. and Gagnon, J.M. 1999. Forcing of the cold event of 8,200 years ago by catastrophic drainage of Laurentide lakes. Nature 400: 344-348.

Bar-Matthews, M., Ayalon, A., Gilmour, M., Matthews, A. and Hawkesworth, C.J. 2003. Sea-land oxygen isotopic relationships from planktonic foraminifera and speleothems in the Eastern Mediterranean region and their implication for paleorainfall during interglacial intervals. Geochimica et Cosmochimica Acta 67: 3181-3199. Data.

Battisti, D.S. 1988. The dynamics and thermodynamics of a warming event in a coupled tropical atmosphere/ocean model. Journal of Atmospheric Science 45: 2889-2919.

Berger, A. and Loutre, M.F. 1991. Insolation values for the climate of the last 10 million years. Quaternary Science Reviews 10: 297-317. Data.

Bhatt, U.S., Alexander, M.A., Battisti, D.S., Houghton D.D. and Keller, L.M. 1997. Atmosphere-Ocean Interaction in the North Atlantic Ocean: near-surface Climate Variability. Journal of Climate 11: 1615-32.

Bond, G.C. and Lotti, R. 1995. Iceberg discharges into the North Atlantic on millennial time scales during the last glaciation. Science 267: 1005-1010.

Bond G.C., Heinrich, H., Broecker, W., Labeyrie, L., McManus, J., Andrews, J., Huon, S., Jantschik, R., Clasen, S., Simet, C., Tedesco, K.,Klas, M., Bonani, G. and Ivy., S., 1992. Evidence for massive discharges of icebergs into the North Atlantic ocean during the last glacial: Nature 360: 245-249. Data.

Bond, G., Kromer, B., Beer, J., Muscheler, R., Evans, M.N., Showers, W., Hoffmann, S., Lotti-Bond, R., Hajdas, I. and Bonani, G. 2001. Persistent solar influence on North Atlantic climate during the Holocene. Science 294: 2130-2136.

Bradley, R.S. 2000. Past global changes and their significance for the future. Quaternary Science Reviews 19: 391-402.

Buizer, J.L., Foster, J. and Lund, D. 2000. Global impacts and regional actions: Preparing for the 1997-98 El Niño. Bulletin of the American Meteorological Society 81: 2121-2139.

Cane, M. and Zebiak, S.E. 1987. Prediction of El Niño events using a physical model. In: Cattle, H. (ed). Atmospheric and Oceanic Variability. Royal Meteorological Society Press, Bracknell, United Kingdom, p.153-182.

Cheddadi, R., Yu, G., Guiot, J., Harrison, S.P. and Prentice, I.C. 1996. The climate of Europe 6000 years ago. Climate Dynamics 13: 1-9.

Clark, P.U., Marshall, S.J., Clarke, G.K.C., Hostetler, S.W., Licciardi, J.M. and Teller, J.T. 2001. Freshwater forcing of abrupt climate change during the last glaciation. Science 293: 283-287.

Cook, E.R., Meko, D.M., Stahle, D.W. and Cleaveland, M.K. 1996. Tree-ring reconstructions of past drought across the coterminous United States: tests of a regression method and calibration/verification results. In: Dean, J.S., Meko, D.M. and Swetnam, T.W. (eds). Tree Rings, Environment, and Humanity. Radiocarbon: 155-169.

Cook, E.R., Meko, D.M., Stahle, D.W. and Cleaveland, M.K. 1999. Drought reconstructions for the continental United States. Journal of Climate 12:1145-1162. Data.

Crowley, T. J., 2000. Causes of climate change over the last 1000 years. Science 289: 270-277.

Crowley, T.J. and Berner, R.A. 2001. CO₂ and climate change. Science 292: 780-781.

Cuffey, K.M. and Clow, G.D. 1997. Temperature, accumulation, and ice sheet elevation in central Greenland through the last deglacial transition. Journal of Geophysical Research 102: 26383-26396.

Cuffey, K.M., Clow, G.D., Alley, R.B., Stuiver, M., Waddington, E.D. and Saltus, R.W. 1995. Large arctic temperature change at the Wisconsin-Holocene glacial transition. Science 270: 455-458.

Cullen, H.M., deMenocal, P.B., Hemming, S., Hemming, G., Brown, F.H., Guilderson, T. and Sirocko, F. 2000. Climate change and the collapse of the Akkadian Empire; evidence from the deep sea, Geology 28: 379-382.

deMenocal, P.B. 1999. The answer was blowin' in the wind: Deep-sea drilling and the link between climate change and human evolution. In: Lippsett, L. (ed). Lamont-Doherty Earth Observatory: Twelve Perspectives on the First Fifty Years (1949-1999). Columbia University Press, New York, p. 121-130.

deMenocal, P.B. 2001. Cultural responses to climate change during the late Holocene, Science 292: 667-673.

deMenocal, P., Ortiz, J., Guilderson, T. and Sarnthein, M. 2000. Coherent high- and low-latitude climate variability during the Holocene warm period. Science 288: 2198-2202. Data.

Deser, C. and Blackmon, M. 1993. Surface climate variations over the North Atlantic ocean during winter: 1900-1989. Journal of Climate 6:1743-1753.

Dettinger, M.D., Battisti, D.S., McCabe Jr., G.J., Bitz, C.M. and Garreaud, R.D. 2001. Interhemispheric effects of interannual and decadal ENSO-like climate variations on the Americas. In: Markgraf, V. (ed). Interhemispheric climate linkages in the Americas and their Societal Effects. Academic Press, San Diego, p. 1-16.

Diaz, H.F. and Anderson, C.A. 1995. Precipitation trends and water consumption related to population in the southwestern United States: A reassessment. Water Resources Research 31: 713-720.

Folland, C.K., Karl, T.R., Christy, J.R., Clarke, R. A., Gruza, G.V., Jouzel, J., Mann, M.E., Oerlemans, J., Salinger, M.J. and Wang, S.-W. 2001. Observed climate variability and change. In: Houghton, J.T., Ding, Y., Griggs, D.J., Noguer, M., van der Linden, P.J., Dai, X., Maskell, K. and Johnson, C.A. (eds). Climate Change, 2001. The Scientific Basis. Cambridge University Press, Cambridge, p. 99-181.

Gasse, F. 2000. Hydrological changes in the African tropics since the last glacial maximum. Quaternary Science Reviews 19: 189-211.

Gershunov, A., Barnett, T. and Cayan, D. 1999. North Pacific interdecadal oscillation seen as factor in ENSO-related north American climate anomalies. EOS, Transactions of the American Geophysical Union 80: 25-30.

Gill, R.B. 2000. The Great Maya Droughts: Water, Life, and Death. University of New Mexico Press, Albuquerque. 464 pp.

Gordon, A.L. 1986. Interocean exchange of thermocline water. Journal of Geophysical Research 91: 5037-5046.

Grayson, D. K., 1993. The Desert's Past: A Natural Prehistory of the Great Basin. Smithsonian Institution Press, Washington, D.C., 384 pp.

Gregory, J.M., Mitchell, J.F.B. and Brady, A.J. 1997. Summer drought in northern midlatitudes in a time-dependent CO₂ climate experiment. Journal of Climate 10: 662-686.

Grimm, E.C. and Clark, J.S. 1999. Fossil pollen and charcoal evidence for drought intensity and variability in the northern Great Plains. EOS, Transactions of the American Geophysical Union 80: F54.

Grissino-Mayer, H. 1996. A 2129-year reconstruction of precipitation for northwestern New Mexico, U.S.A. In: Dean, J.S., Meko, D.M. and Swetnam, T.W. (eds). Tree Rings, Environment and Humanity. Radiocarbon: 191-204. Data.

Groisman, P.Y., Bradley, R.S. and Sun, B. 1999. The relationship of cloud cover to near-surface temprature and humidity: comparison of GCM simulations with empirical data. Journal of Climate 13: 1858-1878.

Guiot, J., Harrison, S.P. and Prentice, I.C. 1993. Reconstruction of Holocene precipitation patterns in Europe using pollen and lake-level data. Quaternary Research 40: 139-149.

Halpert, M.S. and Ropelewski, C.F. 1992. Surface temperature patterns associated with the Southern Oscillation. Journal of Climate 5: 577-593.

Hare, S.R. 1996. Low Frequency Climate Variability and Salmon Production. PhD dissertation, School of Fisheries, University of Washington, Seattle, WA.

Haug, G.H., Hughen, K.A., Peterson, L.C., Sigman, D.M., and Rohl, U. 2001. Southward migration of the Intertropical Convergence Zone through the Holocene. Science 293: 1304-1308. Data.

Hayes, M.J., Svoboda, M.D., Wilhite, D.A. and Vanyarkho, O.V. 1999. Monitoring the 1996 drought using the Standardized Precipitation Index. Bulletin of American Meteorological Society 80: 429-438.

Hendy, E.J., Gagan, M.K., Alibert, C.A., McCulloch, M.T., Lough, J.M. and Isdale, P.J. 2002. Abrupt Decrease in Tropical Pacific Sea Surface Salinity at End of Little Ice Age. Science 295: 1511-1514.

Hendy, I.L., Kennett, J.P. and Behl, R.J. 1996. Rapid Interstadial Climate Changes Recorded in the Surface Waters of the Santa Barbara Basin, ODP Site893A. 14th Biennial Meeting of the American Quaternary Association, Program & Abstracts: 85.

Hodell, D.A., Curtis, J.H. and Brenner, M. 1995. Possible role of climate in the collapse of the Classic Maya Civilization. Nature 375: 391-394. Data.

Hoelzmann, P., Jolly, D., Harrison, S. P., Laarif, F., Bonnefille, R. and Pachur, H-J. 1998. Mid-Holocene land-surface conditions in northern Africa and the Arabian peninsula: A data set for the analysis of biogeophysical feedbacks in the climate system. Global Biogeochemical Cycles 12: 35-51. Data.

Hughen, K.A., Overpeck, J.T., Peterson, L.C. and Trumbore, S. 1996. Rapid climate changes in the tropical Atlantic region during the last deglaciation. Nature 380: 51-54. Data.

Hughen, K.A., Southon, J.R., Lehman, S.J. and Overpeck, J.T. 2000. Synchronous radiocarbon and climate shifts during the last deglaciation, Science 290: 1951-1954. Data.

Hughes, M.K. and Graumlich, L.J. 1996. Multi-millenial dendroclimatic records from the western United States. In: Bradley, R.S., Jones, P.D. and Jouzel, J. (eds). Climatic variations and forcing mechanisms of the last 2000 years. NATO Advanced Studies Workshop Series, Springer-Verlag, p.109-124. Data.

Hurrell, J.W. and van Loon, H. 1997. Decadal variations in climate associated with the North Atlantic Oscillation. Climatic Change 36: 301-326.

Intergovernmental Panel on Climate Change. 2001. Intergovernmental Panel on Climate Change's Synthesis Report. Climate Change 2001, 34 pp.

Kiladis, G. N. and Diaz, H.F. 1989. Global climatic anomalies associated with extremes in the Southern Oscillation. Journal of Climate 2: 1069-1090.

Knutson, T.R. and Manabe, S. 1994. The impact of increased CO on ENSO-like phenomena in a coupled ocean-atmosphere system. Geophysical Research Letters 21: 2295-2298.

Laird, K.R., Fritz, S.C., Maasch, K.A. and Cumming, B.F. 1996. Greater drought intensity and frequency before A.D. 1200 in the Northern Great Plains, U.S.A. Nature 384: 552-554. Data.

Laird, K.R., Fritz, S.C. and Cumming, B.F. 1998. A diatom-based reconstruction of drought intensity, duration, and frequency from Moon Lake, North Dakota: a sub-decadal record of the last 2300 years. Journal of Paleolimnology 19: 161-179.

Landsea, C.W., Gray, W.M., Pielke, Jr., R.A. and Berry, K.J. 1995. June to September rainfall in the African Sahel: A seasonal forecast for 1995. Colorado State University, Department of Atmospheric Science paper: 3.

Lea, D.W., Pak, D.K., Peterson, L.C. and Hughen, K.A. 2003. Synchroneity of tropical and high-latitude Atlantic temperatures over the Last Glacial termination. Science 301: 1361-1364. Data.

Levitus, S., Antonov, J.I., Boyer, T.P. and Stephensfields, C. 2000. Warming of the World Ocean. Science 287: 2225-2229.

Manabe, S., and R. J. Stouffer, 1997: Coupled ocean-atmosphere model response to freshwater input: Comparison to Younger Dryas event. Paleoceanography, 12 (2), 321-336. [Correction: Paleoceanography, 12(5), 728.]

Mann, M. E. 2002. Climate Reconstruction: The value of multiple proxies. Science 297: 1481-1482.

Mann, M.E., Bradley, R.S. and Hughes, M.K. 1999. Northern Hemisphere Temperatures During the Past Millennium: Inferences, Uncertainties, and Limitations. Geophysical Research Letters. 26: 759-762.

Mann, M.E., Rutherford, S., Bradley, R.S., Hughes, M.K. and Keimig, F.T. 2003. Optimal surface temperature reconstructions using terrestrial borehole data. Journal of Geophysical Research 108: 4203. Data.

Mantua, N.J., 1999. The Pacific Decadal Oscillation. In: Encyclopedia of Environmental Change, Wiley.

Mantua, N.J. and Battisti, D.S. 1994. Evidence for the delayed oscillator mechanism for ENSO: The "observed'' oceanic Kelvin mode in the far western Pacific, Journal of Physical Oceanography 24: 691-699.

Mantua, N.J., Hare, S.R., Zhang, Y., Wallace, J.M. and Francis, R.C. 1997. A Pacific interdecadal climate oscillation with impacts on salmon production. Bulletin of the American Meteorological Society 78: 1069-1079.

Marotzke, J. 2000. Abrupt climate change and the thermohaline circulation: Mechanisms and predictability. Proceedings of the National Academy of Sciences (U.S.A.) 97: 1347-1350.

Maslin, M.A., Shackleton, N.J., Pfaumann, U. 1995. Surface water temperature, salinity, and density changes in the northeast Atlantic during the last 45,000 years: Heinrich events, deep water formation, and climatic rebounds. Paleoceanography. 10: 527-544.

McGregor, K.M. 1985. Drought during the 1930s and 1950s in the central United States. Physical Geography 6:288-301.

Mitchell, J.M. 1976. An overview of climatic variability and its causal mechanisms. Quaternary Research 6: 481-493.

Moy, C.M., Seltzer, G.O., Rodbell, D.T. and Anderson, D.M. 2002. Variability of El Niño/Southern Oscillation activity at millennial timescales during the Holocene epoch. Nature 420: 162-165. Data.

National Research Council. 2002. Abrupt Climate Change: Inevitable Surprises. National Academy Press, Washington, D.C., 230 pp.

O'Brien, S. R., Mayewski, P.A., Meeker, L.D., Meese, D.A., Twickler, M.S. and Whitlow, S.I.. 1995. Complexity of Holocene Climate as Reconstructed from a Greenland Ice Core. Science 270: 1962-1964.

Oppo, D.W., McManus, J.F. and Cullen, J.L. 2003. Deepwater variability in the Holocene epoch. Nature 422: 277. Data.

Otto-Bliesner, B.L., Brady, E.C. and Shields, C. 2002. Late Cretaceous ocean: Coupled simulations with the NCAR CSM. Journal of Geophysical Research 107: 4019.

Peterson, L.C., Haug, G.H., Hughen, K.A. and Rohl, U. 2000. Rapid changes in the hydrologic cycle of the tropical Atlantic during the last glacial. Science 290: 1947-1951. Data.

Petit J.R., et al. 1997. Four climate cycles in Vostok ice core. Nature 387: 359-360.

Petit, J.R., et al. 1999. Climate and atmospheric history of the past 420,000 years from the Vostok ice core, Antarctica. Nature 399: 429-436. Data.

Ropelewski, C.F. and Halpert, M.S. 1989. Precipitation patterns associated with the high phase of the Southern Oscillation. Journal of Climate 1: 172-182.

Schulz, H., von Rad, U. and Erlenkeuser, H. 1998. Correlation between Arabian Sea and Greenland climate oscillations for the past 110,000 years. Nature 393: 54-57. Data.

Schulz, M. 2002. The tempo of climate change during Dansgaard-Oeschger interstadials and its potential to affect the manifestation of the 1470-year climate cycle. Geophysical Research Letters 29: 10.1029/2001GL013277

Stahle D.W., Cleaveland, M.K., Therrell M.D. and Villanueva-Diaz, J. 1999. Tree-ring reconstruction of winter and summer precipitation in Durango, Mexico, for the past 600 years. 10th Symposium on Global Change Studies, American Meteorological Society: 317-8. Data.

Steig E.J., Brook, E.J., White, J.W.C, Sucher, C.M., Bender, M.L., Lehman, S.J., Morse, D.L., Waddington, E.D. and Clow, G.D. 1998. Synchronous climate changes in Antarctica and the North Atlantic. Science 282: 92-95.

Stine, S. 1994. Extreme and persistent drought in California and Patagonia during medieval time. Nature 369: 546-549.

Stouffer, R. J., and S. Manabe, 2003. Equilibrium response of thermohaline circulation to large changes in atmospheric CO₂ concentration. Climate Dynamics, 20(7/8), 759-773. Paper, abstract, and erratum.

Suarez M.J. and Schopf, P.S. 1988. A delayed action oscillator for ENSO. Journal of Atmospheric Science 45: 3283-328.

Swetnam, T.W. and Betancourt, J.L. 1992. Temporal patterns of El Niño/Southern Oscillation - wildfire teleconnections in the southwestern United States. In: Diaz, H.F. and Markgraf, V. (eds). Historical and Paleoclimatic Aspects of the Southern Oscillation. Cambridge University Press, New York, p. 259-270.

Swetnam, T.W. and Betancourt, J.L. 1998. Mesoscale disturbance and ecological response to decadal climatic variability in the American Southwest. Journal of Climate 11: 3128-3147.

Thompson, L.G., Mosley-Thompson, E., Dansgaard, W. and Grootes, P.M. 1986. The Little Ice Age as recorded in the stratigraphy of the tropical Quelccaya Ice Cap. Science 234: 361-364. Data.

Trenberth, K.E. and Hurrell, J.W. 1994. Decadal atmosphere-ocean variations in the Pacific. Climate Dynamics 9: 303-319.

Vimont, D.J., Wallace, J.M. and Battisti, D.S. 2002. Seasonal footprinting in the Pacific: Implications for ENSO. Journal of Climate 16: 2668-2675.

Wang, Y.J., Cheng, H., Edwards, R.L., An, Z.S., Wu, J.Y., Shen, C.C. and Dorale, J.A. 2001. A high-resolution absolute-dated Late Pleistocene monsoon record from Hulu Cave, China. Science 294: 2345-2348. Data.

Weiss, H. and Bradley, R.S. 2001. What Drives Societal Collapse? Science 291: 609-610.

Weiss, H., Courty, M-A., Wetterstrom, W., Guichard, F., Senior, L., Meadow, R. and Curnow, A. 1993. The genesis and collapse of third millennium North Mesopotamian civilization. Science 261: 995-100.

Woodhouse, C.A. 2000. Extending hydrologic records with tree rings. Water Resources Impact 2: 25-27.

Woodhouse, C.A. and Brown, P.M. 2001. Tree-ring evidence for Great Plains drought. Tree-Ring Research 57: 89-103.

Zhao, M, Beveridge, N.A.S., Shackleton, N.J., Sarnthein, M. and Eglinton, G. 1995. Molecular stratigraphy of cores off northwest Africa: Sea surface temperature history over the last 80 ka. Paleoceanography. 10: 661-676. Data.