[1] Lamb, H.H. (1982) Climate, history, and the modern world. Methuen, New York, 387.

  [2] Grove, J.M. (1988) The little ice age. Methuen, New York, 498.

[3] Esper, J., Cook, E.R. and Schweingruber, F.H. (2002) Low-frequency signals in long tree-ring chronologies for reconstructing past temperature variability, Science, 295, 2250-2253.

[4] Frank, D., Esper, J. and Cook, E.R. (2007) Adjustment for proxy number and coherence in a large-scale tem-perature reconstruction. Geophysical Research Letters, 34, L16709.

[5] National research council of the national academies. (2006), Washington, D.C., 145.

[6] Ito, K. (2003) Global warming (Chikyu Ondanka). Nippon Hyoronsha, 209.

[7] Nunn, P.D. (2007) Climate, Environment and society in the pacific during the last millennium. Elsevier, 302.

[8] Oppo, D.W., Rosenthal, Y. and Linsey, B.K. (2009) 2000-year-long temperature and hydrology reconstruc-tions from the Indo-Pacific warm pool. Nature 460, 1113-1116.

[9] Fagan, B. (2000) The Little Ice Age: How climate made history, 1300-1800. Perseus Book Group, 246.

[10] Keigwin, L.D. (1996) The Little Ice Age and medieval warming period in the Sargasso Sea. Science, 274, 1503-1508.

[11] Tarand, A. and Nordli, P.O. (2001) The Tallinn tempera-ture series reconstructed back half a millennium by use of proxy data. In: Ogilvie, A.E.J. and Jónsson, T. Eds., The Iceberg in the Mist: Northern Research in Pursuit of a “Little Ice Age, Kluwer Academic Publishers, Holland, 189-199.

[12] van Engelen, J., Buisman, J. and Ijnsen, F. (2001) A mil-lennium of weather, winds, and water in the lower coun-tries. History and Climate: Memories of the Future, Kluwer Academic Press, New York, Boston, London, 101-124.

[13] Pollack, H.N. and Smerdon, J.E. (2004) Borehole climate reconstructions; spatial structure and hemispheric aver-ages. Journal of Geophysical Research, 109, D11106.

[14] Asami, R., Yamada, T., Iryu, Y., Quinn, T.M., Meyer, C.P. and Paulay, G. (2005) Interannual and decadal variability of the western Pacific sea surface condition for the years 1787-2000: Reconstruction based on stable isotope re-cord from a Guam coral. Journal of Geophysical Re-search, 110, CO5018.

[15] Moberg, A., Sonechkin, D.M., Holmgren, K., Datsenko, N.M. and Karlen, W. (2007) Highly variable northern hemisphere temperatures reconstructed from low- and high-resolution proxy data. Nature, 433, 613-617.

[16] Holmes, J.A. Zhang, J., Chenand, F., Qiang, M. (2007) Paleoclimatic implications of an 850-year oxygen isotope record from the northern Tibetan Plateau. Geophysical Research Letters, 34, L23403.

[17] Liu, X., Shao, X., Zhao, L., Qin, D., Chen, T. and Ren, J.
(2007) Dendroclimatic temperature record derived from tree-ring width and stable carbon isotope chronologies in the Middle Qilian Mountains, China, Arctic. Antarctic, and Alpine Research, 39, 651-657.

[18] Richey, J.N., Poore, R.Z., Flower, B.P. and Quinn, T.M. (2007) 1400 yr multi-proxy record of climate variability from the northern Gulf of Mexico. Geology, 35, 423.

[19] Aono, Y. (2006) Climate reconstruction of spring-time temperature using phonological data flowering of cherry tree from old document. Grad. School of Life and Envi-ronmental Science, Osaka Prefecture University, 111.

[20] Fritzsche, D., Schutt, R., Meyer, H., Miller, F., Wilhelms, T., Opel, T. and Savatyugin, L.M. (2006) Late Holocene ice core record from Akasemii Nauk Ice Cap, Severnaya Zemlya. Annals of Glaciology, 42, 361-366.

[21] Polyakov, I.V., Alekseev, G.V., Bekryaev, R.V., Bhatt, U., Colony, R.L., Johnson, M.A., Karklin, V.P., Makshtas, A.P., Walsh, D. and Yulin, A.V. (2002) Observationally based assessment of polar amplification of global warm-ing. Geophysical Research Letters, 29, 4.

[22] Isaksson, E., Hermanson, M., Hicks, S., Igarashi, M., Kamiyama, K., Moore, J., Motoyama, H., Muir, D., Pohjola, V., Vaikmäe, R., van de Wal , R.S.W. and Wata-nabe, O. (2003) Ice cores from Svalbard—useful ar-chives of past climate and pollution history. Physics and Chemistry of the Earth, 28, 1217-1228.

[23] Alexeev, V.A., Langen, P.L. and Bates, J.R. (2005) Polar amplification of surface warming on an aquaplanet in “ghost forcing” experiments without sea ice feedbacks. Climate Dynamics, 24, 655-666.

[24] Magnuson, J.J., Robertson, D.M., Benson, B.J., Wynne, R.H., Livingstone, D.M., Arai, T., Assel, R.A., Barry, G. R., Card, V., Kuusisto, E., Granin, N.G., Prowse, T.D., Stewart, K.M. and Vuglinski V.S. (2000) Historical trends in lake and river ice cover in the Northern hemi-sphere. Science, 289, 1743-1746.

[25] Jevrejeva, S., Grinsted, A., Moore, J.C. and Holgate, S. (2006) Nonlinear trends and multiyear cycles in sea level records. Journal of Geophysical Research, 111, 11.

[26] Jevrejeva, S., Moore, J.C., Grinsted. A. and Woodworth, P.L. (2008) Recent global sea level acceleration started over 200 years ago? Geophysical Research Letters, 35, L08715.

[27] Vinje, T. (2001) Anomalies and trends of sea-ice extent and atmospheric circulation in the Nordic seas during the period 1864-1998. Journal of Climate, 14, 255-267.

[28] Zhang, X., Lindsay, R., Steele. M. and Schweiger, A. (2008a) What drove the dramatic retreat of arctic sea ice during summer 2007? Geophysical Research Letters, 35, L11505.

[29] Zhang, X., Sorteberg, A., Zhang, J., Gerdes, R. and Co-miso, J.C. (2008b) Recent radical shifts of atmospheric circulations and rapid changes in Arctic climate system. Geophysical Research Letters, 35, L22701.

[30] Muskett, R. (2008) Personal communication.

[31] Molnia, B. (2008) Glaciers of North America and Alaska. USGS, professional paper 1386K, 525.

[32] ACIA (2005) Arctic Climate Impact Assessment. Cam-bridge University Press, UK, 1042.

[33] Strom, R.G. (2007) Hot House: Global climate change and the human condition. Copernicus Books, 302.

[34] Grove, J.M. (2001) The onset of the Little Ice Age. In: Jones, P.D., Ogilvie, A.E.J., Davies, T.D. and Briffa, K.R. Eds., History and Climate, Kluwer Academic/Plenum Publication, 153-185.

[35] von Michael Kuhn, H. (2007) Fluctuations of the ‘Mer de Glace’ AD 1500-2000; an interdisciplinary approach us-ing new historical data and neural network simulations. Zeitschrift für Gletscherkunde und Glazialgeologie, 40, 183.

[36] Holzhausen, H., Magny, M. and Zumbuühl, H.J. (2005) Glacier and lake-level variations in west-central Europe over the last 3500 years. The Holocene, 15, 789-801.

[37] Kargel, J. (2008) Earth Observatory newsroom: New images-retreat of Gangotri Glacier USGS, 2008. http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=16584

[38] Crowley. T.J. and North, G.R. (1991) Paleoclimatology. Oxford University Press, UK, 339.

[39] Holgate, S.J. (2007) On the decadal rates of sea level change during the twentieth century. Geophys. Res. Lett., 34, L01602, doi:10.1029/2006GL028492.

[40] Nerem, R., Chambers, D., Choe, J., Mitchum, G. and Ries, J. (2008) Building and understanding a climate data record of sea level change. http://sealevel.jpl.nasa.gov/ science/scientific-investigations-2008/nerem.html

[41] Japan Meteorological Agency (JMA). http://www.data.kishou.go-jp/climate/cpinfo/temp/ay-wld.html

[42] NOAA. http://www.ncdc.noaa.gov/oa/climate/research/ anomalies/index.html

[43] Bryant, E. (1997) Climate Process & Change. Cambridge University Press, UK, 209.

[44] Wu, Z., Huang, N.E., Long, S.R. and Peng, C.-H. (2007) On the trend, detrending, and variability of nonlinear and nonstationary time series. Proceedings of National A-cademy of Sciences, USA, 104, 14889-14894.

[45] Dahl-Jensen, D., Mosegaard, K., Gundestrup, N., Clow, G.D., Johnson, S.J., Hansen, A.W. and Balling, N. (1998) Past Temperatures Directly from the Greenland Ice Sheet. Science, 282, 268-271.

[46] Alley, R.B. (2000) The Younger Dryas cold interval as viewed from central Greenland. Quaternary Science Re-views, 19, 213-226.

[47] Burroughs, W.J. (2001) Climate Change. Cambridge University Press, UK, 298.

[48] Lang, K.R. (2000) The Sun from Space. Springer, New York, 357.

[49] Musccheler, R., Joos, F., Beer, J., Vonmoos, M.S. and Snowball, I. (2007) Solar activity during last 1000yr in-ferred from radionuclide records. Quaternary Science Reviews, 26, 2682-2692.

[50] Lean, J., Beer, J. and Bradley, R.S. (1995) Reconstruc-tion of solar irradiance since 1610: Implication for cli-mate change. Geophysical Research Letters, 22, 3195- 3198.

[51] Nozawa, T., Nagashima, T., Shiogama, H. and Crooks, S.A. (2005) Detecting natural influence on surface air temperature change in the early twentieth century. Geo-physical Research Letters, 32, L20719.

[52] Scafetta, N. and West, B.J. (2006) Phenomenological solar contribution to the 1900-2000 global surface warming. Geophysical Research Letters 33, Lo5708.

[53] Scafetta, N. and West, B.J. (2006) Phenomenological
solar signature in 400 years of reconstructed Northern Hemisphere temperature records. Geophysical Research Letters, 33, L17718.

[54] Soon, W. (2005) Variable solar irradiance as a plausible agent for multi-decadal variations in the Arctic-wide sur-face air temperature record of the past 130 years. Geo-physical Research Letters, 32, L16712, 5.

[55] Duhau, S. and de Jager, C. (2008) The solar dynamo and Its phase transitions during the last millennium. Solar Phys. 250, 1-15.

[56] Kerr, R.A. (2009) What happened to global warming? Scientists say just wait a bit. Science, 326, 28-29.

[57] University of Washington (2008). http://jisao.washington.edu/pdo/

[58] Pielke Sr., R.A. (2008) A broader view of the role of humans in the climate system. Physics Today, 11, 54-55.

[59] Polyakov, I.V., Bekryaev, R.V., Alexseev, G.V., Bhatt, U., Colony, R.L., Johnson, M.A., Makshtas, A.P., and Walsh, D. (2003) Variability and trends of air temperature and pressure in the Maritime Arctic, 1875-2000. Journal of Climate, 16, 2067-2077.

[60] IPCC (Intergovernmental Panel on Climate Change) (2007). http://www.ipcc.ch