The U.S. <strong>Clim<strong>at</strong>e</strong> <strong>Change</strong> Science Program Abbrevi<strong>at</strong>ions <strong>and</strong> Acronyms 206 MCA Medieval <strong>Clim<strong>at</strong>e</strong> Anomaly MSA methanesulfonic acid MWP Medieval Warm Period MIS mar<strong>in</strong>e isotope stage MOC meridional overturn<strong>in</strong>g circul<strong>at</strong>ion N 2O nitrous oxide NAO North Atlantic Oscill<strong>at</strong>ion NASA N<strong>at</strong>ional Aeronautics <strong>and</strong> Space Adm<strong>in</strong>istr<strong>at</strong>ion NCAR N<strong>at</strong>ional Center for Atmospheric Research NGRIP North Greenl<strong>and</strong> Ice Core Project NOAA N<strong>at</strong>ional Oceanographic <strong>and</strong> Atmospheric Adm<strong>in</strong>istr<strong>at</strong>ion NRC N<strong>at</strong>ional Research Council OSL optically stimul<strong>at</strong>ed lum<strong>in</strong>escence PDF clim<strong>at</strong>e sensitivity probability density function PETM Paleocene-Eocene Thermal Maximum ppm parts per million ppmv parts per million by volume SAP Syn<strong>the</strong>sis <strong>and</strong> Assessment Product SLE sea level equivalent SMOW st<strong>and</strong>ard mean ocean w<strong>at</strong>er SPECMAP Spectral <strong>Variability</strong> <strong>in</strong> Global <strong>Clim<strong>at</strong>e</strong> Project SRES Special Report on Emission Scenarios (IPCC) TIMS <strong>the</strong>rmal ioniz<strong>at</strong>ion mass spectrometry TMF trough-mouth fan TPW true polar w<strong>and</strong>er U-series uranium-series disequilibrium d<strong>at</strong><strong>in</strong>g W/m 2 w<strong>at</strong>ts per square meter yr year
REFERENCES CITED Chapter 1. Preface: Why <strong>and</strong> How to Use This Sy<strong>the</strong>sis <strong>and</strong> Assessment Report <strong>Arctic</strong> <strong>Clim<strong>at</strong>e</strong> Impact Assessment (ACIA), 2005: <strong>Arctic</strong> <strong>Clim<strong>at</strong>e</strong> Impact Assessment. Cambridge University Press, Cambridge <strong>and</strong> New York, 1042 pp. Bradley, R.S., 1999: Paleoclim<strong>at</strong>ology: Reconstruct<strong>in</strong>g <strong>Clim<strong>at</strong>e</strong>s of <strong>the</strong> Qu<strong>at</strong>ernary. Academic Press, San Diego, CA, 610 pp. Brigham-Grette, J. <strong>and</strong> D.M. Hopk<strong>in</strong>s, 1995: Emergent-mar<strong>in</strong>e record <strong>and</strong> paleoclim<strong>at</strong>e of <strong>the</strong> Last Interglaci<strong>at</strong>ion along <strong>the</strong> northwest Alaskan coast. Qu<strong>at</strong>ernary Research, 43, 154-173. CAPE-Last Interglacial Project Members, 2006: Last Interglacial <strong>Arctic</strong> warmth confirms polar amplific<strong>at</strong>ion of clim<strong>at</strong>e change. Qu<strong>at</strong>ernary Science Reviews. 25, 1383-1400. Cicerone, R.J., E.J. Barron, R.E. Dick<strong>in</strong>son, I.F. Fung, J.E. Hansen, T.R. Karl, R.S. L<strong>in</strong>dzen, J.C. McWilliams, F.S. Rowl<strong>and</strong>, <strong>and</strong> J.M. Wallace, 2001: <strong>Clim<strong>at</strong>e</strong> <strong>Change</strong> Science—An Analysis of Some Key Questions. N<strong>at</strong>ional Academies Press, Wash<strong>in</strong>gton, D.C., 42 pp. Darby, D., M. Jakobsson, <strong>and</strong> L. Polyak, 2005: Icebreaker expedition collects key <strong>Arctic</strong> seafloor <strong>and</strong> ice d<strong>at</strong>a. EOS, Transactions of <strong>the</strong> American Geophysical Union, 86(52), 549-556. Denton, G.H., R.B. Alley, G.C. Comer, <strong>and</strong> W.S. Broecker, 2005: The role of seasonality <strong>in</strong> abrupt clim<strong>at</strong>e change. Qu<strong>at</strong>ernary Science Reviews, 24(10-11), 1159-1182. Dyke, A.S., J. Hooper, <strong>and</strong> J.M. Savelle, 1996: History of sea ice <strong>in</strong> <strong>the</strong> Canadian <strong>Arctic</strong> archipelago based on postglacial rema<strong>in</strong>s of <strong>the</strong> bowhead whale. <strong>Arctic</strong>, 49(3), 235-255. Hemm<strong>in</strong>g, S.R., 2004: He<strong>in</strong>rich events: Massive l<strong>at</strong>e Pleistocene detritus layers of <strong>the</strong> North Atlantic <strong>and</strong> <strong>the</strong>ir global clim<strong>at</strong>e impr<strong>in</strong>t. Reviews of Geophysics 42(2), RG1005. Holl<strong>and</strong>, M.M., C.M. Bitz, <strong>and</strong> B. Tremblay, 2006: Future abrupt reductions <strong>in</strong> <strong>the</strong> summer <strong>Arctic</strong> sea ice. Geophysical Research Letters, 33, L23503. Intergovernmental Panel on <strong>Clim<strong>at</strong>e</strong> <strong>Change</strong> (IPCC), 2000: Special Report on Emissions Scenarios [Nebojsa Nakicenovic <strong>and</strong> Robert Swart, (eds.)]. Cambridge University Press, Cambridge <strong>and</strong> New York, 612 pp. Intergovernmental Panel on <strong>Clim<strong>at</strong>e</strong> <strong>Change</strong> (IPCC), 2007: Summary for policymakers. In: <strong>Clim<strong>at</strong>e</strong> <strong>Change</strong> 2007—The Physical Science Basis. Contribution of Work<strong>in</strong>g Group I to <strong>the</strong> Fourth Assessment Report of <strong>the</strong> Intergovernmental Panel on <strong>Clim<strong>at</strong>e</strong> <strong>Change</strong> [Solomon, S., D. Q<strong>in</strong>, M. Mann<strong>in</strong>g, Z. Chen, M. Marquis, K.B. Averyt, M. Tignor <strong>and</strong> H.L. Miller (eds.)]. Cambridge University Press, Cambridge <strong>and</strong> New York, 18 pp. <strong>Past</strong> <strong>Clim<strong>at</strong>e</strong> Variably <strong>and</strong> <strong>Change</strong> <strong>in</strong> <strong>the</strong> <strong>Arctic</strong> <strong>and</strong> <strong>at</strong> <strong>High</strong> L<strong>at</strong>itudes References Chapter 1 Lemke, P., J. Ren, R.B. Alley, I. Allison, J. Carrasco, G. Fl<strong>at</strong>o, Y. Fujii, G. Kaser, P. Mote, R.H. Thomas, <strong>and</strong> T. Zhang, 2007: Observ<strong>at</strong>ions—<strong>Change</strong>s <strong>in</strong> snow, ice <strong>and</strong> frozen ground. In: <strong>Clim<strong>at</strong>e</strong> <strong>Change</strong> 2007—The Physical Science Basis. Contribution of Work<strong>in</strong>g Group I to <strong>the</strong> Fourth Assessment Report of <strong>the</strong> Intergovernmental Panel on <strong>Clim<strong>at</strong>e</strong> <strong>Change</strong> [Solomon, S., D. Q<strong>in</strong>, M. Mann<strong>in</strong>g, Z. Chen, M. Marquis, K.B. Averyt, M. Tignor <strong>and</strong> H.L. Miller (eds.)]. Cambridge University Press, Cambridge <strong>and</strong> New York, pp. 339-378. Meehl, G.A., T.F. Stocker, W.D. Coll<strong>in</strong>s, P. Friedl<strong>in</strong>gste<strong>in</strong>, A.T. Gaye, J.M. Gregory, A. Kitoh, R. Knutti, J.M. Murphy, A. Noda, S.C.B. Raper, I.G. W<strong>at</strong>terson, A.J. Weaver <strong>and</strong> Z.-C. Zhao, 2007: Global clim<strong>at</strong>e projections. In: <strong>Clim<strong>at</strong>e</strong> <strong>Change</strong> 2007— The Physical Science Basis. Contribution of Work<strong>in</strong>g Group I to <strong>the</strong> Fourth Assessment Report of <strong>the</strong> Intergovernmental Panel on <strong>Clim<strong>at</strong>e</strong> <strong>Change</strong> [Solomon, S., D. Q<strong>in</strong>, M. Mann<strong>in</strong>g, Z. Chen, M. Marquis, K.B. Averyt, M. Tignor <strong>and</strong> H.L. Miller (eds.)]. Cambridge University Press, Cambridge <strong>and</strong> New York, pp. 747-845. N<strong>at</strong>ional Research Council (NRC), 2002: Abrupt <strong>Clim<strong>at</strong>e</strong> <strong>Change</strong>, Inevitable Surprises. N<strong>at</strong>ional Academies Press, Wash<strong>in</strong>gton, D.C., 230 pp. N<strong>at</strong>ional Research Council (NRC) Committee on <strong>the</strong> Assessment of U.S. Coast Guard Polar Icebreaker Roles <strong>and</strong> Future Needs, 2007: Polar Icebreakers <strong>in</strong> a Chang<strong>in</strong>g World—An Assessment of U.S. Needs. N<strong>at</strong>ional Academies Press, Wash<strong>in</strong>gton D.C., 122 pp. Raynaud, D., J. Chappellaz, C. Ritx, <strong>and</strong> P. Mart<strong>in</strong>erie, 1997: Air content along <strong>the</strong> Greenl<strong>and</strong> Ice Core Project core: A record of surface clim<strong>at</strong>ic parameters <strong>and</strong> elev<strong>at</strong>ion <strong>in</strong> central Greenl<strong>and</strong>. Journal of Geophysical Research, 102(C12), 26607-26613. Richter-Menge, J., J. Overl<strong>and</strong>, A. Proshut<strong>in</strong>sky, V. Roman-ovsky, L. Bengtsson, L. Brigham, M. Dyurgerov, J.C. Gascard, S. Gerl<strong>and</strong>, R. Graversen, C. Haas, M. Karcher, P. Kuhry, J. Maslanik, H. Mell<strong>in</strong>g, W. Maslowski, J. Morison, D. Perovich, R. Przybylak, V. Rachold, I. Rigor, A. Shiklomanov, J. Stroeve, D. Walker, <strong>and</strong> J. Walsh, 2006: St<strong>at</strong>e of <strong>the</strong> <strong>Arctic</strong> report. NOAA OAR Special Report, NOAA/OAR/PMEL, Se<strong>at</strong>tle, WA, 36 pp. Seager, R., D.S. B<strong>at</strong>tisti, J. Y<strong>in</strong>, N. Gordon, N. Naik, A.C. Clement, <strong>and</strong> M.A. Cane, 2002: Is <strong>the</strong> Gulf Stream responsible for Europe’s mild w<strong>in</strong>ters? Quarterly Journal of <strong>the</strong> Royal Meteorological Society, 128B, 2563-2586. Serreze, M.C. <strong>and</strong> J.A. Francis, 2006: The <strong>Arctic</strong> amplific<strong>at</strong>ion deb<strong>at</strong>e: Clim<strong>at</strong>ic <strong>Change</strong>, 76(3-4), 241-264. Shipboard Scientific Party, 2005: <strong>Arctic</strong> Cor<strong>in</strong>g Expedition (ACEX): paleoceanographic <strong>and</strong> tectonic evolution of <strong>the</strong> central <strong>Arctic</strong> Ocean. IODP Prelim<strong>in</strong>ary Report, 302, http://public<strong>at</strong>ions.iodp.org/prelim<strong>in</strong>ary_report/302/. U.S. <strong>Clim<strong>at</strong>e</strong> <strong>Change</strong> Science Program, 2007: Our Chang<strong>in</strong>g Planet, The U.S. <strong>Clim<strong>at</strong>e</strong> <strong>Change</strong> Science Program for Fiscal Year 2007. U.S. CCSP, Wash<strong>in</strong>gton, D.C., 264 pp. 207
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