The U.S. <strong>Climate</strong> <strong>Change</strong> <strong>Science</strong> <strong>Program</strong>Stocker, T.F. and S.J. Johnsen, 2003: A minimum thermodynamicmodel for the bipolar seesaw. Paleoceanography, 18,doi:10.1029/2003PA000920.Stommel, H.M., 1958: The abyssal circulation. Deep-Sea Research,5, pp. 80–82.Stoner, J.S., J.E.T. Channell, C. Hillaire-Marcel, and C. Kissel,2000: Geomagnetic paleointensity and environmental recordfrom Labrador Sea core MD95-2024: Global marine sedimentand ice core chronostratigraphy for the last 110 kyr. Earth andPlanetary <strong>Science</strong> Letters, 183, pp. 161–177.Stott, L., C. Poulsen, S. Lund, and R. Thunell, 2002: Super ENSOand global climate oscillations at millennial time scales. <strong>Science</strong>,297, pp. 222–226.Stouffer, R.J. and S. Manabe, 1999: Response of a coupled oceanatmospheremodel to increasing atmospheric carbon dioxide:Sensitivity to the rate of increase. Journal of <strong>Climate</strong>, 12,pp. 2224–2237.Stouffer, R.J. and S. Manabe, 2003: Equilibrium response of thermohalinecirculation to large changes in atmospheric CO 2 concentration.<strong>Climate</strong> Dynamics, 20, pp. 759–773.Stouffer, R.J., J. Yin, J.M. Gregory, K.W. Dixon, M.J. Spelman,W. Hurlin, A.J. Weaver, M. Eby, G.M. Flato, H. Hasumi, A.Hu, J.H. Jungclaus, I.V. Kamenkovich, A. Levermann, M.Montoya, S. Murakami, S. Nawrath, A. Oka, W.R. Peltier, D.Y.Robitaille, A.P. Sokolov, G. Vettoretti, and N. Weber, 2006: Investigatingthe causes of the response of the thermohaline circulationto past and future climate changes. Journal of <strong>Climate</strong>,19, pp. 1365–1387.Stroeve, J., M.M. Holland, W. Meier, T. Scambos, and M. Serreze,2007: Arctic sea ice decline: Faster than forecast, GeophysicalResearch Letters, 34, L09501, doi:10.1029/2007GL029703.Stuiver, M. and P.M. Grootes, 2000: GISP2 oxygen isotope ratios.Quaternary Research, 53, pp. 277–284.Sutton, R.T. and D.L.R. Hodson, 2005: Atlantic Ocean forcing ofNorth American and European summer climate. <strong>Science</strong>, 309,pp. 115–118.Sutton, R.T. and D.L.R. Hodson, 2007: <strong>Climate</strong> response to basin-scalewarming and cooling of the North Atlantic Ocean.Journal of <strong>Climate</strong>, 20, pp. 891–907.Talley, L.D., J.L. Reid, and P.E. Robbins, 2003: Data-based meridionaloverturning streamfunctions for the global ocean.Journal of <strong>Climate</strong>, 16, pp. 3213–3226.Tang, Y.M. and M.J. Roberts, 2005: The impact of a bottomboundary layer scheme on the North Atlantic Ocean in a GlobalCoupled <strong>Climate</strong> Model. Journal of Physical Oceanography,35, pp. 202–217.Thorpe, R.B., R.A. Wood, and J.F.B. Mitchell, 2004: The sensitivityof the thermohaline circulation response to preindustrial andanthropogenic greenhouse gas forcing to the parameterizationof mixing across the Greenland-Scotland ridge. Ocean Modelling,7, pp. 259–268, doi:10.1016/S1463-5003(03)00043-X.Timmermann, A., S.-I. An, U. Krebs, and H. Goosse, 2005a:ENSO suppression due to weakening of the Atlantic thermohalinecirculation. Journal of <strong>Climate</strong>, 18, pp. 3122–3139.Timmermann, A., U. Krebs, F. Justino, H. Goosse, and T. Ivanochko,2005b: Mechanisms for millennial-scale global synchronizationduring the last glacial period. Paleoceanography, 20,PA4008, doi:10.1029/2004PA001090.Timmermann, A., Y. Okumura, S.-I. An, A. Clement, B. Dong, E.Guilyardi, A. Hu, J.H. Jungclaus, M. Renold, T.F. Stocker, R.J.Stouffer, R. Sutton, S.-P. Xie, and J. Yin, 2007: The influenceof a weakening of the Atlantic meridional overturning circulationon ENSO. Journal of <strong>Climate</strong>, 20, pp. 4899–4919.Toggweiler, J.R. and B. Samuels, 1993a: Is the magnitude of thedeep outflow from the Atlantic Ocean actually governed bySouthern Hemisphere winds? In: The Global Carbon Cycle[Heimann, M. and G. Pearman (eds.)]. Proceedings of theNATO Advanced Research Institute Workshop on Global CarbonCycle, El Ciocco, Italy, September 8–20, 1991, NATO ASISeries I, Global Environmental <strong>Change</strong>, Volume 15. Springer,New York, pp. 303–331.Toggweiler, J.R. and B. Samuels, 1993b: New radiocarbon constraintson the upwelling of abyssal water to the ocean’s surface.In: The Global Carbon Cycle [Heimann, M. and G. Pearman(eds.)]. Proceedings of the NATO Advanced Research InstituteWorkshop on Global Carbon Cycle, El Ciocco, Italy, September8–20, 1991, NATO ASI Series I, Global Environmental<strong>Change</strong>, Volume 15. Springer, New York, pp. 333–366.Toggweiler, J.R. and B. Samuels, 1995: Effect of Drake passageon the global thermohaline circulation. Deep Sea ResearchPart I: Oceanographic Research Papers, 42, pp. 477–500.Toggweiler, J.R. and B. Samuels, 1998: On the ocean’s large scalecirculation near the limit of no vertical mixing. Journal ofPhysical Oceanography, 28, pp. 1832–1852.Toresen, R. and O.J. Østvedt, 2000: Variation in abundance ofNorwegian spring-spawning herring (Clupea harengus, Clupeidae)throughout the 20th century and the influence of climaticfluctuations. Fish and Fisheries, 1, pp. 231–256.U.S. CLIVAR AMOC Planning Team, 2007: Implementationstrategy for a JSOST near-term priority assessing meridionaloverturning circulation variability: Implications for rapid climatechange. U.S. CLIVAR Report No. 2007-2, Washington,DC. 21 pp. http://www.usclivar.org/science_status/AMOC/AMOC_Strategy_Document.pdf.Velicogna, I. and J. Wahr, 2006: Acceleration of Greenland icemass loss in spring 2004. Nature, 443, pp. 329–331.Vellinga, M. and R.A. Wood, 2002: Global climatic impacts ofa collapse of the Atlantic thermohaline circulation. Climatic<strong>Change</strong>, 54, pp. 251–267.Vellinga, M.A. and R.A. Wood, 2007: Impacts of thermohalinecirculation shutdown in the twenty-first century. Climatic<strong>Change</strong>, doi:10.1007/s10584-006-9146-y.Vikebø, F.B., S. Sundby, B. Adlandsvik, and O.H. Ottera, 2007:Impacts of a reduced thermohaline circulation on transportand growth of larvae and pelagic juveniles of Arcto-Norwegiancod (Gadus morhua). Fisheries Oceanography, 16(3),pp. 216–228.von Humboldt, A., 1814: Voyage aux regions equinoxiales dunouveau continent, fait en 1799–1804 par Al. de Humboldt etA. Bonpland. Part 1. Relation historique, 1, F. Schoell, Paris[H.M. Williams, translator (3d ed.), 1822, Longman, Hurst,Rees, Orme and Brown, London, 1, 293 p.]Voss, R. and U. Mikolajewicz, 2001: Long-term climate changesdue to increased CO 2 concentration in the coupled atmosphereoceangeneral circulation model ECHAM3/LSG. <strong>Climate</strong> Dynamics,17, pp. 45–60.References228
Abrupt <strong>Climate</strong> <strong>Change</strong>Wadhams, P., J. Holfort, E. Hansen, and J.P. Wilkinson,2002: A deep convective chimney in the winter GreenlandSea. Geophysical Research Letters, 29(10), 1434,doi:10.1029/2001GL014306.Wang, X., A.S. Auler, R.L. Edwards, H. Cheng, P.S. Cristalli, P.L.Smart, D.A. Richards, and C.-C. Shen, 2004: Wet periods innortheastern Brazil over the past 210 kyr linked to distant climateanomalies. Nature, 432, pp. 740–743.Wang, Y.J., H. Cheng, R.L. Edwards, Z.S. An, J.Y. Wu, C.-C.Shen, and J.A. Dorale, 2001: A high-resolution absolute-datedlate Pleistocene monsoon record from Hulu Cave, China. <strong>Science</strong>,294, pp. 2345–2348.Weaver, A.J., M. Eby, M. Kienast, and O.A. Saenko, 2007:Response of the Atlantic meridional overturning circulationto increasing atmospheric CO 2 : Sensitivity to meanclimate state. Geophysical Research Letters, 34, L05708,doi:10.1029/2006GL028756.Weaver, A.J. and C. Hillaire-Marcel, 2004a: Ice growth in thegreenhouse: A seductive paradox but unrealistic scenario. GeoscienceCanada, 31, pp. 77–85.Weaver, A.J. and C. Hillaire-Marcel, 2004b: Global warming andthe next ice age. <strong>Science</strong>, 304, pp. 400–402.Webb, D.J. and N. Suginohara, 2001: Vertical mixing in the ocean.Nature, 409, pp. 37–39.Weber, S.L., S.S. Drijfhout, A. Abe-Ouchi, M. Crucifix, M. Eby,A. Ganopolski, S. Murakami, B. Otto-Bliesner, and W. R. Peltier,2007: The modern and glacial overturning circulation in theAtlantic ocean in PMIP coupled model simulations. <strong>Climate</strong> ofthe Past, 3, pp. 51–64.Wiersma, A.P., H. Renssen, H. Goosse, and T. Fichefet, 2006:Evaluation of different freshwater forcing scenarios for the8.2 ka BP event in a coupled climate model. <strong>Climate</strong> Dynamics,27, pp. 831–849.Willamowski, C. and R. Zahn, 2000: Upper ocean circulationin the glacial North Atlantic from benthic foraminiferal isotopeand trace element fingerprinting. Paleoceanography, 15,pp. 515–527.Willebrand, J., B. Barnier, C. Boning, C. Dieterich, P.D. Killworth,C. Le Provost, Y. Jia, J.-M. Molines, and A.L. New,2001: Circulation characteristics in three eddy-permittingmodels of the North Atlantic. Progress in Oceanography, 48,pp. 123–161.Winguth, A.M.E., D. Archer, J.-C. Duplessy, E. Maier-Reimer,and U. Mikolajewicz, 1999: Sensitivity of paleonutrient tracerdistributions and deep-sea circulation to glacial boundary conditions.Paleoceanography, 14, pp. 304–323.Winton, M., 2006: Does the Arctic sea ice have a tippingpoint? Geophysical Research Letters, 33, L23504,doi:10.1029/2006GL028017.Winton, M., R. Hallberg, and A. Gnanadesikan, 1998: Simulationof density-driven frictional downslope flow in z-coordinateocean models. Journal of Physical Oceanography, 28,pp. 2163–2174.Wood, R.A., A.B. Keen, J.F.B. Mitchell, and J.M. Gregory, 1999:Changing spatial structure of the thermohaline circulation inresponse to atmospheric CO 2 forcing in a climate model. Nature,399, pp. 572–575.Wood, R.A., M. Vellinga, and R. Thorpe, 2003: Global warmingand thermohaline circulation stability. Philosophical Transactionsof the Royal Society of London Series A, 361, pp. 1961–1975, doi:10.1098/rsta.2003.1245.Wu, P., R. Wood, and P. Stott, 2004: Does the recent fresheningtrend in the North Atlantic indicate a weakening thermohalinecirculation? Geophysical Research Letters, 31(2), L02301,doi:10.1029/2003GL018584.Wunsch, C., 1996: The Ocean Circulation Inverse Problem. CambridgeUniversity Press, Cambridge, United Kingdom, 458 pp.Wunsch, C., 1998: The work done by the wind on the generalcirculation. Journal of Physical Oceanography, 28, pp. 2332–2340, doi:10.1175/1520-0485(1998)028.Wunsch, C., 2003: Determining paleoceanographic circulations,with emphasis on the Last Glacial Maximum. Quaternary<strong>Science</strong> Reviews, 22, pp. 371–385, doi:10.1016/S0277-3791(02)00177-4.Wunsch, C. and R. Ferrari, 2004: Vertical mixing, energy and thegeneral circulation of the oceans. Annual Review of Fluid Mechanics,36, pp. 281–314.Yoshida, Y., K. Maruyama, J. Tsutsui, N. Nakashiki, F.O. Bryan,M. Blackmon, B.A. Boville, and R.D. Smith, 2005: Multicenturyensemble global warming projections using the Community<strong>Climate</strong> System Model (CCSM3). Journal of the EarthSimulator, 3, pp. 2–10.Yu, E.-F., R. Francois, and M.P. Bacon, 1996: Similar rates ofmodern and last-glacial ocean thermohaline circulation inferredfrom radiochemical data. Nature, 379, pp. 689–694.Zahn, R., J. Schonfeld, H.-R. Kudrass, M.-H. Park, H. Erlenkeuser,and P. Grootes, 1997: Thermohaline instability in the NorthAtlantic during meltwater events: Stable isotope and ice-rafteddetritus records from core S075-26KL, Portuguese margin. Paleoceanography,12(5), pp. 696–710.Zhang, R., 2007: Anticorrelated multidecadal variations betweensurface and subsurface tropical North Atlantic. GeophysicalResearch Letters, 34, L12713, doi:10.1029/2007GL030225.Zhang, R. and T.L. Delworth, 2005: Simulated tropical responseto a substantial weakening of the Atlantic thermohaline circulation.Journal of <strong>Climate</strong>, 18, pp. 1853–1860.Zhang, R. and T.L. Delworth, 2006: Impact of Atlantic multidecadaloscillations on India/Sahel rainfall and Atlantichurricanes. Geophysical Research Letters, 33(5),doi:10.1029/2006GL026267.Zhang, R., T.L. Delworth, and I.M. Held, 2007a: Can the AtlanticOcean drive the observed multidecadal variability in NorthernHemisphere mean temperature? Geophysical Research Letters,34, L02709, doi:10.1029/2006GL028683.Zhang, X. and J.E. Walsh, 2006: Toward a seasonally ice-coveredArctic Ocean: Scenarios from the IPCC AR4 model simulations.Journal of <strong>Climate</strong>, 19, pp. 1730–1747.Zhang, X., F.W. Zwiers, G.C. Hegerl, F.H. Lambert, N.P. Gillett,S. Solomon, P.A. Stott, and T. Nozawa, 2007b: Detection ofhuman influence on twentieth-century precipitation trends. Nature,448, pp. 461–465, doi:10.1038/nature06025.229
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