1000년간 세계 기온변화를 나타낸 그래프입니다. 역시 지구 온난화는 진행중인듯 하네요.

중세때의 소빙하기가 정말 있었긴 했나보네요. 우리나라 기록에도 저쯤에 상당이 추웠다고 쓰여진 문헌들이 있다는걸 들은적이 있으니까요...

1900년 중반에는 벌써 1000년전의 온도를 회복하고 나서 몇십년만에 한 0.4도 정도 급속하게 올랐습니다.

참... 2004년도 자료입니다. 좀 됐네요


사용자 삽입 이미지

표 보는 방법입니다. 오래된 문헌부터 최근의 문헌까지 색깔별로 정리가 되어있네요

(dark blue 1000-1991): P.D. Jones, 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, The Holocene, 8: 455-471.

(blue 1000-1980): M.E. Mann, R.S. Bradley, and M.K. Hughes (1999). Northern Hemisphere Temperatures During the Past Millennium: Inferences, Uncertainties, and Limitations, Geophysical Research Letters, 26(6): 759-762.

(light blue 1000-1965): Crowley and Lowery (2000). Northern Hemisphere Temperature Reconstruction, Ambio, 29: 51-54. Modified as published in Crowley (2000). Causes of Climate Change Over the Past 1000 Years, Science, 289: 270-277.

(lightest blue 1402-1960): K.R. Briffa, T.J. Osborn, F.H. Schweingruber, I.C. Harris, P.D. Jones, S.G. Shiyatov, S.G. and E.A. Vaganov (2001). Low-frequency temperature variations from a northern tree-ring density network, J. Geophys. Res., 106: 2929-2941.

(light green 831-1992): J. Esper, E.R. Cook, and F.H. Schweingruber (2002). Low-Frequency Signals in Long Tree-Ring Chronologies for Reconstructing Past Temperature Variability, Science, 295(5563): 2250-2253.

(yellow 200-1980): M.E. Mann and P.D. Jones (2003). Global Surface Temperatures over the Past Two Millennia, Geophysical Research Letters, 30(15): 1820. DOI:10.1029/2003GL017814.

(orange 200-1995): P.D. Jones and M.E. Mann (2004). Climate Over Past Millennia, Reviews of Geophysics, 42: RG2002. DOI:10.1029/2003RG000143

(red-orange1500-1980): S. Huang (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

(red 1-1979): A. Moberg, 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, 443: 613-617. DOI:10.1038/nature03265

(dark red 1600-1990): J.H. Oerlemans (2005). Extracting a Climate Signal from 169 Glacier Records, Science, 308: 675-677. DOI:10.1126/science.1107046

(black 1856-2004): Instrumental data was jointly compiled by the Climatic Research Unit and the UK Meteorological Office Hadley Centre. Global Annual Average data set TaveGL2v [2] was used.

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