Last millennium climate and its variability in CCSM4

Journal of Climate

Volumn 26, Issue 4, 2013, Pages 1085-1111

  Landrum, Laura ^a   Otto Bliesner, Bette L ^a   Wahl, Eugene R ^b   Conley, Andrew ^a   Lawrence, Peter J ^a   Rosenbloom, Nan ^a   Teng, Haiyan ^a  

^a NATIONAL CENTER FOR ATMOSPHERIC RESEARCH   (United States)

^b National Climatic Data Center   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ATLANTIC MULTIDECADAL OSCILLATIONS; COMMUNITY CLIMATE SYSTEM MODEL; EASTERN PACIFIC OCEAN; MEDIEVAL CLIMATE ANOMALY (MCA); NORTH ATLANTIC OSCILLATIONS; PACIFIC DECADAL OSCILLATION; POLAR AMPLIFICATIONS; PROXY RECONSTRUCTION;

ATMOSPHERIC PRESSURE; ATMOSPHERIC TEMPERATURE; COMPUTER SIMULATION; SEA ICE; VOLCANOES;

CLIMATE MODELS;

ATLANTIC MULTIDECADAL OSCILLATION; CLIMATE VARIATION; COOLING; EL NINO-SOUTHERN OSCILLATION; LITTLE ICE AGE; MEDIEVAL WARM PERIOD; NORTH ATLANTIC OSCILLATION; NORTHERN HEMISPHERE; PACIFIC DECADAL OSCILLATION; PROXY CLIMATE RECORD; SOUTHERN HEMISPHERE; SURFACE TEMPERATURE;

EUROPE; PACIFIC OCEAN; PACIFIC OCEAN (EAST); UNITED STATES;

EID: 84874889659     PISSN: 08948755     EISSN: None     Source Type: Journal    
DOI: 10.1175/JCLI-D-11-00326.1     Document Type: Article

References (140)

1. Adams, J. B., M. E. Mann, and C. Ammann, 2003: Proxy evidence for an El Niño-like response to volcanic forcing. Nature, 426, 274-278.
2. Ammann, C. M., and E. R. Wahl, 2007: The importance of the geophysical context in statistical evaluations of climate reconstruction procedures. Climatic Change, 85, 71-88, doi:10.1007/ s10584-007-9276-x.
3. Ammann, C. M., G. A. Meehl, W. M. Washington, and C. Zender, 2003: A monthly and latitudinally varying volcanic forcing dataset in simulations of 20th century climate. Geophys. Res. Lett., 30, 1657, doi:10.1029/2003GL016875.
4. Ammann, C. M., F. Joos, D. S. Schimel, B. L. Otto-Bliesner, and R. A. Tomas, 2007: Solar influence on climate during the past millennium: Results from transient simulations with the NCAR Climate System Model. Proc. Natl. Acad. Sci. USA, 104, 3713-3718.
5. Anchukaitis, K. J., B. M. Buckley, E. R. Cook, B. I. Cook, R. D. D'Arrigo, and C. M. Ammann, 2010: Influence of volcanic eruptions on the climate of the Asian monsoon region. Geophys. Res. Lett., 37, L22703, doi:10.1029/2010gl044843.
6. Bard, E., G. Raisbeck, F. Yiou, and J. Jouzel, 2000: Solar irradiance during the last 1200 years based on cosmogenic nuclides. Tellus, 52, 985-992, doi:10.1034/j.1600-0889.2000.d01-7.x.
7. Biondi, F., A. Gershunov, and D. R. Cayan, 2001: North Pacific decadal climate variability since 1661. J. Climate, 14, 5-10.
8. Bitz, C. M., K. M. Shell, P. R. Gent, D. Bailey, G. Danabasoglu, K. C. Armour, M. M. Holland, and J. T. Kiehl, 2012: Climate sensitivity in the Community Climate System Model version 4. J. Climate, 25, 3053-3070.
9. Booth, R. K., and S. T. Jackson, 2003: A high-resolution record of late-Holocene moisture variability from a Michigan raised bog, USA. Holocene, 13, 863-876.
10. Bradley, R. S., M. K. Hughes, and H. F. Diaz, 2003: Climate in medieval time. Science, 302, 404-405.
11. Brady, E. C., B. L. Otto-Bliesner, and N. Rosenbloom, 2013: Sensitivity to glacial forcing in the CCSM4. J. Climate, in press.
12. Braganza, K., J. L. Gergis, S. B. Power, J. S. Risbey, and A. M. Fowler, 2009: A multiproxy index of the El Niñ o-Southern Oscillation, AD 1525-1982. J. Geophys. Res., 114, D05106, doi:10.1029/2008jd010896.
13. Briffa, K. R., 2000: Annual climate variability in the Holocene: Interpreting the message of ancient trees. Quat. Sci. Rev., 19, 87-105.
14. Briffa, K. R., P. D. Jones, F. H. Schweingruber, and T. J. Osborn, 1998: Influence of volcanic eruptions on Northern Hemisphere summer temperature over the past 600 years. Nature, 393, 450-455.
15. Brunelle, A., and C. Whitlock, 2003: Holocene vegetation, fire, and climate history from the Selway Mountains, Idaho. Quat. Res., 60, 307-318.
16. Bü ntgen, U., and W. Tegel, 2011: European tree-ring data and the Medieval Climate Anomaly. PAGES Newsletter, No. 19, PAGES International ProjectOffice, Bern, Switzerland, 14-20.
17. Burgman, R., R. Seager, A. Clement, and C. Herweijer, 2010: Role of tropical Pacific SSTs in global medieval hydroclimate: A modeling study. Geophys. Res. Lett., 37, L06705, doi:10.1029/ 2009GL042239.
18. Byrne, R. B. L., S. S. Ingram, and F.Malamud-Roam, 2001: Carbonisotope, diatom, and pollen evidence for Late Holocene salinity change in a brackish marsh in the San Francisco estuary. Quat. Res., 55, 66-76.
19. Christiansen, B., and F. C. Ljundqvist, 2011: Reconstruction of the extratropical NH mean temperature over the last millennium with a method that preserves low-frequency variability. J. Climate, 24, 6013-6034.
20. Cobb, K. M., C. D. Charles, H. Cheng, and R. L. Edwards, 2003: El Niñ o/Southern Oscillation and tropical Pacific climate during the last millennium. Nature, 424, 271-276.
21. Cole, J., and E. Cook, 1998: The changing relationship between ENSO variability and moisture balance in the continental United States. Geophys. Res. Lett., 25, 4529-4532.
22. Conroy, J. L., J. T. Overpeck, J. E. Cole, and M. Steinitz-Kannan, 2009: Variable oceanic influences on western North American drought over the last 1200 years. Geophys. Res. Lett., 36, L17703, doi:10.1029/2009GL039558.
23. Cook, E. R., cited 2008: North American Summer PDSI Reconstructions, version 2a.NOAA/NGDCPaleoclimatology Program. [Information about the data is available online at ftp://ftp.ncdc.noaa.gov/pub/data/paleo/drought/NAmericanDroughtAtlas.v2/readme-NADAv2-2008.txt;the actualdatacanbefoundathttp://www.ncdc.noaa.gov/paleo/pdsi08_ts.html.]
24. Cook, E. R., R. D. D'Arrigo, and M. E. Mann, 2002: A well-verified, multiproxy reconstruction of the winter North Atlantic Oscillation index since AD 1400. J. Climate, 15, 1754-1764.
25. Cook, E. R., J. Esper, and R. D'Arrigo, 2004a: Extra-tropical Northern Hemisphere land temperature variability over the past 1000 years. Quat. Sci. Rev., 23, 2063-2074.
26. Cook, E. R., C. A. Woodhouse, C. M. Eakin, D. M. Meko, and D. W. Stahle, 2004b: Long-term aridity changes in the western United States. Science, 306, 1015-1018.
27. Cook, E. R., K. J. Anchukaitis, B. M. Buckley, R. D. D'Arrigo, G. C. Jacoby, and W. E. Wright, 2010: Asian monsoon failure and megadrought during the last millennium. Science, 328, 486-489, doi:10.1126/science.1185188.
28. Crowley, T. J., 2000: Causes of climate change over the past 1000 years. Science, 289, 270-277.
29. Crowley, T. J., S. K. Baum, K. Y. Kim, G. C. Hegerl, and W. T. Hyde, 2003: Modeling ocean heat content changes during the last millennium. Geophys. Res. Lett., 30, 1932, doi:10.1029/ 2003GL017801.
30. Crowley, T. J., G. Zielinski, B. Vinther, R. Udisti, K. Kreutzs, J. Cole-Dai, and E. Castellano, 2008: Volcanism and the Little Ice Age. PAGES Newsletter, No. 16, PAGES International Project Office, Bern, Switzerland, 22-23.
31. Czaja, A., A. Robertson, and T. Huck, 2003: The role of coupled processes in producing NAO variability. North Atlantic Oscillation: Climatic Significance and Environmental Impact, Geophys. Monogr., Vol. 134, Amer. Geophys. Union, 147-172.
32. Danabasoglu, G., S. Bates, B. P. Briegleb, S. R. Jayne, M. Jochum, W. G. Large, S. Peacock, and S. G. Yeager, 2012: The CCSM4 ocean component. J. Climate, 25, 1361-1389.
33. D'Arrigo, R., and R. Wilson, 2006: On the Asian expression of the PDO. Int. J. Climatol., 26, 1607-1617, doi:10.1002/joc. 1326.
34. D'Arrigo, R., and R. Wilson, and G. Jacoby, 2006: On the long-term context for late twentieth century warming. J. Geophys. Res., 111, D03103, doi:10.1029/2005JD006352.
35. D'Arrigo, R., and R. Wilson, and A. Tudhope, 2009: The impact of volcanic forcing on tropical temperatures during the past four centuries. Nat. Geosci., 2, 51-56, doi:10.1038/ngeo393.
36. Davis, O. K., 2002: Late Neogene environmental history of the northern Bonneville basin: A review of palynological studies. Great Basin Aquatic Systems History, R. Hersler, D. B. Madsen, and D. R. Currey, Eds., Smithsonian Contributions to the Earth Sciences, Vol. 33, Smithsonian Institution Press, 295-307.
37. Delworth, T. L., and M. E. Mann, 2000: Observed and simulated multidecadal variability in the Northern Hemisphere. Climate Dyn., 16, 661-676.
38. Deser, C., 2000: On the teleconnectivity of the "Arctic Oscillation." Geophys. Res. Lett., 27, 779-782, doi:10.1029/ 1999GL010945.
39. Deser, C., and Coauthors, 2012: ENSO and Pacific decadal variability in the Community Climate System Model version4. J. Climate, 25, 2622-2651.
40. Dunbar, R. B., G. M. Wellington, M.W. Colgan, and P. W. Glynn, 1994: Eastern Pacific sea-surface temperature since 1600 A.D.: The d18O record of climate variability in Galápagos corals. Paleoceanography, 9, 291-315.
41. Emile-Geay, J., R. Seager, M. A. Cane, E. C. Cook, and G. H. Haug, 2008: Volcanoes and ENSO over the past millennium. J. Climate, 21, 3134-3148.
42. Emile-Geay, J., K. Cobb, M. Mann, and A. T. Wittenberg, 2013: Estimating central equatorial Pacific SST variability over the pastmillennium. Part II: Reconstructions and uncertainties. J. Climate, in press.
43. Enfield, D. B., A. M. Mestas-Nuñ ez, and P. J. Trimble, 2001: The Atlantic multidecadal oscillation and its relation to rainfall and river flows in the continental U.S. Geophys. Res. Lett., 28, 2077-2080.
44. Esper, J., E. R. Cook, and F. H. Schweingruber, 2002: Low-frequency signals in long tree-ring chronologies for reconstructing past temperature variability. Science, 295, 2250-2253.
45. Felis, T., A. Suzuki, H. Kuhnert,N. Rimbu, and H. Kawahata, 2010: Pacific decadal oscillation documented in a coral record of North Pacific winter temperature since 1873. Geophys. Res. Lett., 37, L14605, doi:10.1029/2010GL043572.
46. Feng, S., O. Hu, and R. J. Oglesby, 2011: Influence of Atlantic sea surface temperatures on persistent drought in North America. Climate Dyn., 37, 569-586, doi:10.1007/s00382-010-0835-x.
47. Fischer, E. M., J. Luterbacher, E. Zorita, S. F. B. Tett, C. Casty, and H. Wanner, 2007: European climate response to tropical volcanic eruptions over the last half millennium. Geophys. Res. Lett., 34, L05707, doi:10.1029/2006GL027992.
48. Gao, C., A. Robock, and C. Ammann, 2008: Volcanic forcing of climate over the last 1500 years: An improved ice core-based index for climate models. J. Geophys. Res., 113, D23111, doi:10.1029/2008JD010239.
49. Gent, P. R., and Coauthors, 2011: The Community Climate System Model version 4. J. Climate, 24, 4973-4991.
50. Glueck,M. F., and C.W. Stockton, 2001:Reconstruction of theNorth Atlantic Oscillation, 1429-1983. Int. J. Climatol., 21, 1453-1465.
51. Goosse, H., H. Renssen, A. Timmermann, and R. S. Bradley, 2005: Internal and forced climate variability during the last millennium: A model-data comparison using ensemble simulations. Quat. Sci. Rev., 24, 1345-1360.
52. Graham, N. E., and Coauthors, 2007: Tropical Pacific-mid-latitude teleconnections inmedieval times. Climatic Change, 83, 241-285.
53. Graham, N. E.,C.M.Ammann, D. Fleitmann, K. M. Cobb, J.Luterbacher, 2011: Support for global climate reorganization during the "Medieval Climate Anomaly."Climate Dyn., 37, 1217-1245.
54. Gray, S. T., L. J. Graumlich, J. L. Betancourt, and G. T. Pederson, 2004: A tree-ring based reconstruction of the Atlantic multidecadal oscillation since 1567 AD. Geophys. Res. Lett., 31, L12205, doi:10.1029/2004gl019932.
55. Haug, G. H., K. A. Hughen, D. M. Sigman, L. C. Peterson, and U. Rohl, 2001: Southward migration of the intertropical convergence zone through the Holocene. Science, 293, 1304-1308.
56. Holland, M. M., and C. M. Bitz, 2003: Polar amplification of climate change in coupled models. Climate Dyn., 21, 221-232, doi:10.1007/s00382-003-0332-6.
57. Holland, M. M., D. A. Bailey, B. P. Briegleb, B. Light, and E. Hunke, 2012: Improved sea ice shortwave radiation physics in CCSM4: The impact of melt ponds and aerosols on Arctic sea ice. J. Climate, 25, 1413-1430.
58. Huang, S., 2004: Merging information from different resources for new insights into climate change in the past and future. Geophys. Res. Lett., 31, L13205, doi:10.1029/2004GL019781.
59. Hunke, E. C., and W. H. Lipscomb, 2008: CICE: The Los Alamos sea ice model user's manual, version 4. Los Alamos National Laboratory Tech. Rep. LA-CC-06-012, 76 pp.
60. Hurrell, J. W., and C. Deser, 2009: North Atlantic climate variability: The role of the North Atlantic Oscillation. J. Mar. Sys., 78, 28-41, doi:10.1016/j.jmarsys.2008.11.026.
61. Hurtt, G. C., and Coauthors, 2009: Harmonization of global land-use scenarios for the period 1500-2100 for IPCC-AR5. iLeaps Newsletter, No. 7, iLEAPS International Project Office, Helsinki, Finland, 6-8.
62. Jahn, A., and Coauthors, 2012: Late twentieth-century simulation of Arctic sea ice and ocean properties in the CCSM4. J. Climate, 25, 1431-1452.
63. Jansen, E., and Coauthors, 2007: Paleoclimate. Climate Change 2007: The Physical Science Basis, S. Solomon et al., Eds., Cambridge University Press, 433-497.
64. Jones, P. D., K. R. Briffa, T. P. Barnett, and S. F. B. Tett, 1998: High-resolution palaeoclimatic records for the last millennium: Interpretation, integration and comparison with general circulation model control-run temperatures. Holocene, 8, 455-471.
65. Jones, P. D., and Coauthors, 2009: High-resolution palaeoclimatology of the last millennium: A review of current status and future prospects. Holocene, 19, 3-49.
66. Jungclaus, J. H., and Coauthors, 2010: Climate and carbon-cycle variability over the last millennium. Climate Past, 6, 723-737.
67. Kaufman, D. S., and Coauthors, 2009: Recent warming reverses long-term Arctic cooling. Science, 325, 1236-1239.
68. Knight, J. R., C. K. Folland, and A. A. Scaife, 2006: Climate impacts of the Atlantic multidecadal oscillation. Geophys. Res. Lett., 33, L17706, doi:10.1029/2006gl026242.
69. Kushnir, Y., R. Seager, M. Ting,N. Naik, and J. Nakamura, 2010: Mechanisms of tropical Atlantic SST influence on North American precipitation variability. J. Climate, 23, 5610-5628.
70. Lachniet, M. S., S. J. Burns, D. R. Piperno, Y. Asmerom, V. J. Polyak, C. M. Moy, and K. Christenson, 2004: A 1500-year El Niñ o/SouthernOscillation and rainfall history for the Isthmus of Panama from speleothem calcite. J. Geophys. Res., 109, D20117, doi:10.1029/2004JD004694.
71. Laird, K. R., S. C. Fritz, E. C. Grimm, and P. G. Mueller, 1996: Century-scale paleoclimatic reconstructions from Moon Lake, a closed-basin lake in the northern Great Plains. Limnol. Oceanogr., 41, 890-902.
72. Lamarque, J.-F., and Coauthors, 2010: Historical (1850-2000) gridded anthropogenic and biomass burning emissions of reactive gases and aerosols:Methodology and application. Atmos. Chem. Phys., 10, 7017-7039, doi:10.5194/acp-10-7017-2010.
73. Landrum, L., M. M. Holland, D. Schneider, and E. Hunke, 2012: Antarctic sea ice climatology, variability, and late twentiethcentury change in CCSM4. J. Climate, 25, 4817-4838.
74. Lawrence, D. M., P. E. Thornton, K. W. Oleson, and G. B. Bonan, 2007: The partitioning of evapotranspiration into transpiration, soil evaporation, and canopy evaporation in a GCM: Impacts on land-atmosphere interaction. J. Hydrometeor., 8, 862-880.
75. Lawrence, D. M., K. W. Oleson, M. G. Flanner, C. G. Fletcher, P. J. Lawrence, S. Levis, S. C. Swenson, and G. B. Bonan, 2011: The CCSM4 land simulation, 1850-2005: Assessment of surface climate and new capabilities. J. Climate, 25, 2240-2260.
76. Lean, J., cited 2009: Calculations of solar irradiance. [Available online at http://sparcsolaris.geomar.de/input_data.php.]
77. Li, J., S.-P. Xie, E. R. Cook, G. Huang, R. D'Arrigo, F. Liu, J. Ma, and X.-T. Zheng, 2011: Interdecadal modulation of El Niñ o amplitude during the past millennium. Nat. Climate Change, 1, 114-118, doi:10.1038/NCLIMATE1086.
78. Luterbacher, J., C. Schmutz, D. Gyalistras, E. Xoplaki, and H. Wanner, 1999: Reconstruction of monthly NAO and EU indices back to AD1675. Geophys. Res. Lett., 26, 2745-2748.
79. MacDonald, G. M., and R. A. Case, 2005: Variations in the Pacific decadal oscillation over the past millennium. Geophys. Res. Lett., 32, L08703, doi:10.1029/2005GL022478.
80. Mann, M. E., and P. D. Jones, 2003: Global surface temperatures over the past two millennia. Geophys. Res. Lett., 30, 1820, doi:10.1029/2003GL017814.
81. Mann, M. E., R. S. Bradley, and M. K. Hughes, 1998: Global-scale temperature patterns and climate forcing over the past six centuries. Nature, 392, 779-787.
82. Mann, M. E., M. A. Cane, S. E. Zebiak, and A. Clement, 2005: Volcanic and solar forcing of the tropical Pacific over the past 1000 years. J. Climate, 18, 447-456.
83. Mann, M. E., Z. Zhang, M. K. Hughes, R. S. Bradley, S. K. Miller, S. Rutherford, and F. Ni, 2008: Proxy-based reconstructions of hemispheric and global surface temperature variations over the past two millennia. Proc. Natl. Acad. Sci. USA, 105, 13 252-13 257, doi:10.1073/pnas.0805721105.
84. Mann, M. E., and Coauthors, 2009: Global signatures and dynamical origins of the Little Ice Age and Medieval Climate Anomaly. Science, 326, 1256-1260.
85. Mann, M. E., J. D. Fuentes, and S. Rutherford, 2012: Underestimation of volcanic cooling in tree-ring-based reconstructions of hemispheric temperatures. Nat. Geosci., 5, 202-205, doi:10.1038/ NGEO1394.
86. Mantua, N. J., S. R. Hare, Y. Zhang, J. M. Wallace, and R. C. Francis, 1997: A Pacific interdecadal climate oscillation with impacts on salmon production. Bull. Amer. Meteor. Soc., 78, 1069-1079.
87. McCabe, G., M. A. Palecki, and J. L. Betancourt, 2004: Pacific and Atlantic Ocean influences on multidecadal drought frequency in the United States. Proc. Natl. Acad. Sci. USA, 101, 4136- 4141, doi:10.1073/pnas.0306738101.
88. McGovern, T. H., 1991: Climate, correlation, and causation in Norse Greenland. Arctic Anthropol., 28, 77-100.
89. McGregor, S., and A. Timmermann, 2011: The effect of explosive tropical volcanism on ENSO. J. Climate, 24, 2178-2191.
90. McGregor, S., and A. Timmermann, and O. Timm, 2010: A unified proxy for ENSO and PDO variability since 1650. Climate Past, 6, 1-17.
91. Meehl, G. A., and Coauthors, 2012: Climate system response to external forcings and climate change projections in CCSM4. J. Climate, 25, 3661-3683.
92. Millspaugh, S. H., C. Whitlock, and P. J. Bartlein, 2000: Variations in fire frequency and climate over the past 17 000 yr in central Yellowstone National Park. Geology, 28, 211-214.
93. Moberg, A., D. M. Sonechkin, K. Holmgren, N. M. Datsenko, and W. Karlén, 2005: Highly variable Northern Hemisphere temperatures reconstructed from low- and high-resolution proxy data. Nature, 433, 613-617.
94. Mohr, J. A., C. Whitlock, and C. N. Skinner, 2000: Postglacial vegetation and fire history, eastern KlamathMountains, California, USA. Holocene, 10, 587-601.
95. Neale, R. B., J. H. Richter, and M. Jochum, 2008: The impact of convection of ENSO: From a delayed oscillator to a series of events. J. Climate, 21, 5904-5924.
96. Neale, R. B., J. Richter, S. Park, P. H. Lauritzen, S. J. Vavrus, P. J. Rasch, and M. Zhang, 2013: The mean climate of the Community Atmosphere Model (CAM4) in forced SST and fully coupled experiments. J. Climate, in press.
97. Neukom, R., and Coauthors, 2011: Multiproxy summer and winter surface air temperature field reconstructions for southern South America covering the past centuries. Climate Dyn., 37, 35-51, doi:10.1007/s00382-010-0793-3.
98. Nigam, S., B. Guan, and A. Ruiz-Barradas, 2011: Key role of the Atlantic multidecadal oscillation in 20th century drought and wet periods over the Great Plains. Geophys. Res. Lett., 38, L16713, doi:10.1029/2011GL048650.
99. Oerlemans, J., 2005: Extracting a climate signal from 169 glacier records. Science, 308, 675-677.
100. Oglesby, R., S. Feng, Q. Hu, and C. Rowe, 2011: The role of the Atlantic multidecadal oscillation on medieval drought in North America: Synthesizing results from proxy data and climate models. Global Planet. Change, 84-85, 56-65, doi:10.1016/ j.gloplacha.2011.07.005.
101. Oman, L.,A. Robock,G. Stenchikov, G.A. Schmidt, andR.Ruedy, 2005: Climatic response to high-latitude volcanic eruptions. J. Geophys. Res., 110, D13103, doi:10.1029/2004jd005487.
102. Ottera° , O. H., M. Bentsen, H. Drange, and L. L. Suo, 2010: External forcing as a metronome for Atlantic multidecadal variability. Nat. Geosci., 3, 688-694.
103. Pollack, H. N., and J. E. Smerdon, 2004: Borehole climate reconstructions: Spatial structure and hemispheric averages. J. Geophys. Res., 109, D11106, doi:10.1029/2003jd004163.
104. Pongratz, J., C. H. Reick, T. Raddatz, and M. Claussen, 2008: A reconstruction of global agricultural areas and land cover for the last millennium. Global Biogeochem. Cycles, 22, GB3018, doi:10.1029/2007GB003153.
105. Quinn, W. H., V. T. Neal, and S. E. Antunez de Mayolo, 1987: El Niño occurrences over the past four and half centuries. J. Geophys. Res., 92C, 14 449-14 461.
106. Rajagopalan, B., E. Cook, U. Lall, and B. K. Ray, 2000: Spatiotemporal variability of ENSO and SST teleconnections to summer drought over the United States during the twentieth century. J. Climate, 13, 4244-4255.
107. Richter, J. H., and P. J. Rasch, 2008: Effects of convective momentum transport on the atmospheric circulation in the Community Atmosphere Model, version 3 (CAM3). J. Climate, 21, 1487-1499.
108. Rutherford, S., M. E. Mann, T. J. Osborn, R. S. Bradley, K. R. Briffa, M. K. Hughes, and P. D. Jones, 2005: Proxy-based Northern Hemisphere surface temperature reconstructions: Sensitivity to methodology, predictor network, target season, and target domain. J. Climate, 18, 2308-2329.
109. Saenger,C.,A.L.Cohen,D.W.Oppo, R.B.Halley, and J.E.Carilli, 2009: Surface-temperature trends and variability in the lowlatitude North Atlantic since 1552. Nat. Geosci., 2, 492-495.
110. Schlesinger, M. E., and N. Ramankutty, 1994: An oscillation in the global climate systemof period 65-70 years. Nature, 367, 723-726. Schmidt, G. A., and Coauthors, 2012: Climate forcing reconstructions for use in PMIP simulations of the Last Millennium (v1.1). Geosci. Model Dev., 5, 1850191, doi:10.5194/ gmd-5-185-2012.
111. Schneider, D. P., C. M. Ammann, B. L. Otto-Bliesner, and D. S. Kaufman, 2009: Climate response to large, high-latitude and low-latitude volcanic eruptions in the Community Climate System Model. J. Geophys. Res., 114, D15101, doi:10.1029/ 2008jd011222.
112. Schubert, S. D., M. J. Suarez, P. J. Pegion, R. D. Koster, and J. T. Bacmeister, 2004: On the cause of the 1930s Dust Bowl. Science, 303, 1855-1859.
113. Schubert, S. D., and Coauthors, 2009: A U.S. CLIVAR project to assess and compare the responses of global climate models to droughtrelated SST forcing patterns: Overview and results. J. Climate, 22, 5251-5272.
114. Seager, R., N. Graham, C. Herweijer, A. L. Gordon, Y. Kushnir, and E. Cook, 2007a: Blueprints for medieval hydroclimate. Quat. Sci. Rev., 26, 2322-2336, doi:10.1016/j.quascirev.2007. 04.020.
115. Seager, R., and Coauthors, 2007b: Model projections of an imminent transition to a more arid climate in southwestern North America. Science, 316, 1181-1184, doi:10.1126/science.1139601.
116. Servonnat, J., P. Yiou, M. Khodri, D. Swingedouw, and S. Denvil, 2010: Influence of solar variability, CO2 and orbital forcing between 1000 and 1850 AD in the IPSLCM4 model. Climate Past, 6, 445-460.
117. Shen, C. M., W.-C. Wang, W. Gong, and Z. Hao, 2006: A Pacific decadal oscillation record since 1470 AD reconstructed from proxy data of summer rainfall over eastern China. Geophys. Res. Lett., 33, L03702, doi:10.1029/2005gl024804.
118. Shindell, D. T., G. A. Schmidt, R. L. Miller, and M. E. Mann, 2003: Volcanic and solar forcing of climate change during the preindustrial era. J. Climate, 16, 4094-4107.
119. Smith, R. D., and Coauthors, 2010: The Parallel Ocean Program (POP) reference manual. Los Alamos National Laboratory Tech. Rep. LAUR-10-01853, 141 pp.
120. Solomon, S., D. Qin, M. Manning,M. Marquis, K. Averyt,M.M. B. Tignor, H. L. Miller Jr., and Z. Chen, Eds., 2007: Climate Change 2007: The Physical Science Basis. Cambridge University Press, 996 pp.
121. Stahle, D. W., and Coauthors, 1998: Experimental dendroclimatic reconstruction of the Southern Oscillation. Bull. Amer. Meteor. Soc., 79, 2137-2152.
122. Sutton, R. T., and D. L. R. Hodson, 2005: Atlantic Ocean forcing of North American and European summer climate. Science, 309, 115-118.
123. Thompson, D. W. J., and J. M. Wallace, 1998: The Arctic oscillation signature in the wintertime geopotential height and temperature fields. Geophys. Res. Lett., 25, 1297- 1300.
124. Thompson, D. W. J., and J. M. Wallace,2000:Annularmodes in the extratropical circulation. Part I: Month-to-month variability. J. Climate, 13, 1000-1016.
125. Thompson, D. W. J., S. Lee, and M. P. Baldwin, 2003: Atmospheric processes governing the Northern Hemisphere annular mode/North Atlantic Oscillation. The North Atlantic Oscillation: Climatic Significance and Environmental Impact, Geophys. Monogr., Vol. 134, Amer. Geophys. Union, 81-112.
126. Timmreck, C., and Coauthors, 2010: Limited temperature response to the very large AD 1258 volcanic eruption. Geophys. Res. Lett., 37, L21708, doi:10.1029/2009GL040083.
127. Trenberth, K. E., and A. Dai, 2007: Effects of Mount Pinatubo volcanic eruption on the hydrological cycle as an analog of geoengineering. Geophys. Res. Lett., 34, L15702, doi:10.1029/ 2007gl030524.
128. Trouet, V., J. Esper, N. E. Graham, A. Baker, J. D. Scourse, and D. C. Frank, 2009: Persistent positive North Atlantic oscillation mode dominated the medieval climate anomaly. Science, 324, 78-80, doi:10.1126/science.1166349.
129. Verleyen, E., and Coauthors, 2011: Post-glacial regional climate variability along the East Antarctic coastal margin-Evidence from shallow marine and coastal terrestrial records. Earth Sci. Rev., 104, 199-212.
130. Vieira, L. E. A., S. K. Solanki, N. A. Krivova, and I. Usoskin, 2011: Evolution of the solar irradiance during the Holocene. Astron. Astrophys., 531, A6, doi:10.1051/0004-6361/201015843.
131. Wahl, E. R., and C. M. Ammann, 2007: Robustness of the Mann, Bradley, Hughes reconstruction of Northern Hemisphere surface temperatures: Examination of criticisms based on the nature and processing of proxy climate evidence. Climatic Change, 85, 33-69, doi:10.1007/s10584-006-9105-7.
132. Wahl, E. R., and C. M. Ammann, 2010: Examining the forced response of past regional climate to guide selection of general circulation models for regional analyses. Extended Abstracts, 22nd Conf. on Climate Variability and Change, Atlanta, GA, Amer. Meteor. Soc., 7.2. [Available online at https://ams.confex.com/ams/ 90annual/techprogram/paper_159714.htm.]
133. Wahl, E. R., and C. Morrill, 2010: Toward understanding and predicting monsoon patterns. Science, 328, 437-438, doi:10.1126/science. 1188926.
134. Wahl, E. R., and J. Smerdon, 2012: Comparative performance of paleoclimate field and index reconstructions derived from climate proxies and noise-only predictors. Geophys. Res. Lett., 39, L06703, doi:10.1029/2012GL051086.
135. Wahl, E. R., H. R. Diaz, and C. Ohlwein, 2011: A pollen-based reconstruction of summer temperature in central North America and implications for circulation patterns during medieval times. Global Planet. Change, 84-85, 66-74, doi:10.1016/ j.gloplacha.2011.10.005.
136. Wigand, P. E., 1997: A late Holocene pollen record from Lower Pahranagat Lake, southern Nevada, USA: High-resolution paleoclimatic records and analysis of environmental responses to climate change. Proc. 13th Annual Pacific Climate (PACLIM) Workshop, California Department of Water Resources Tech. Rep. 53, 63-77.
137. Wigand, P. E., and D. Rhode, 2002: Great Basin vegetation history and aquatic systems: The last 150,000 years. Great Basin Aquatic Systems History, R. Hershler, D. B. Madsen, and D. R. Currey, Eds., Smithsonian Contributions to Earth Sciences Series, Vol. 33, Smithsonian Institution Press, 309-367.
138. Wilson, R., E. Cook, R. D'Arrigo, N. Riedwyl, M. N. Evans, A. Tudhope, and R. Allan, 2010: Reconstructing ENSO: The influence of method, proxy data, climate forcing and teleconnections. J. Quat. Sci., 25, 62-78.
139. Zhao, J., R. P. Turco, and O. B. Toon, 1995: A model simulation of Pinatubo volcanic aerosols in the stratosphere. J. Geophys. Res., 100, 7315-7328.
140. Zhong, Y., G. H. Miller, B. L. Otto-Bliesner,M.M. Holland, D. A. Bailey, D. P. Schneider, and A. Geirsdottir, 2011: Centennialscale climate change from decadally-paced explosive volcanism: A coupled sea ice-ocean mechanism. Climate Dyn., 37, 2373-2387, doi:10.1007/s00382-010-0967-z.