Recent changes in the climate: Natural or forced by human activity?

Ambio

Volumn 37, Issue SPEC. ISS. 14, 2008, Pages 483-488

  Karlén, Wibjörn ^a  

^a NONE   (Sweden)

Author keywords

[No Author keywords available]

Indexed keywords

ANTHROPOGENIC EFFECT; CLIMATE CHANGE; HUMAN ACTIVITY; ICE CORE;

ARTICLE; GREENHOUSE EFFECT; GREENLAND; HUMAN; SOLAR ENERGY;

GREENHOUSE EFFECT; GREENLAND; HUMANS; SOLAR ACTIVITY;

EID: 58149251998     PISSN: 00447447     EISSN: None     Source Type: Journal    
DOI: 10.1579/0044-7447-37.sp14.483     Document Type: Conference Paper

References (71)

1. IPCC 2007. Summary for policymakers. In: Climate Change 2007: The Physical Science Basis. Contribution of Working Group 1 to the Forth Assessment Report of the Intergovernmental Panel on Climate Change. Solomon, S., Qin. D., Manning, M., Chen, Z., Marquis, M., Averyt, K.B., Tignnor, M. and Miller, H.L. (eds). Cambridge University Press, Cambridge, UK.
2. 10Be on polar ice to trace the 11-year cycle of solar activity. Nature 347, 164-166.
3. Neff, U., Burns, S.J., Mangini, A., Mudelsee, D., Fleitmann, D. and Matter, A. 2001. Strong coherence between solar variability and the monsoon in Oman between 9 and 6 kyr ago. Nature 411, 290-293.
4. Mayewski, P.A., Rohling, E., Stager, C. Karlén, W., Maasch, K.A., Meeker, L.D., Meyerson, E., Gasse, F., et al. 2004. Holocene climate variability. Quat. Res. 62, 243-255.
5. Svensmark, H. 2000. Cosmic rays and Earth's climate. Space Sci. Rev. 93, 155-166.
6. 2: an evaluation of causal and spectral relationships. Holocene 3, 289-305.
7. 14C as an Indicator of Solar Variability. Discussion paper. ESF HOLIVAR workshop. Lammi, Finland, April 17-20. Past. Glob. Chang. 11, 12-13.
8. Denton, G.H. and Karlén, W. 1973. Holocene climatic variations - their pattern and possible cause. Quat. Res. 3, 155-205.
9. Eddy, J.A. 1976. The Maunder minimum. Science 192, 1189-1202.
10. NASA. (http://data.giss.nasa.gov/gistemp/station_data/)
11. NORDCLIM. (http://www.smhi.se./hfa_coord/nordklim/index.htm)
12. Karoly, D.J. and Wu, Q. 2005. Detection of regional surface temperature trends. J. Clim. 18, 4337-4343.
13. Polyakov, I.V., Bekryaev, R.V., Alekseev, G.H., Bhatt, U.S., Colony, R.L., Johnson, M.A., Maskshtas, A.P. and Walsh, D. 2003. Variability and trends of air temperature and pressure in the maritime arctic. 1875-2000. J. Clim. 16, 2067-2077.
14. Vinther, B.M., Andersen, K.K., Jones, P.D., Briffa, K.R. and Cappelsen, J. 2006. Extending Greenland temperature records into the late eighteenth century. J. Geophys. Res. 111. D11105. (doi: 10.1029/2005JD006810)
15. Goldenberg, S.B., Landsea, C.W., Mestas-Nuñez, A.M. and Gray, W.M. 2001. The recent increases in Atlantic hurricane activity: causes and implications. Science 293, 474-479.
16. Barnett, T.P., Pierce, D.W. and Schnur, R. 2001. Detection of anthropogenic climate change in the world's oceans. Science 292, 270-274.
17. Trenberth, K. 2005. Uncertainty in hurricanes and global warming. Science 308, 1753-1754.
18. 12C change. Quat. Res. 35, 1-24.
19. Beer, J., Mende, W. and Stellmacher, R. 2000. The role of the sun in climate forcing. Quat. Sci. Rev. 19, 403-415.
20. Andresen, C.S. and Björck, S. 2005. Holocene climate variability in the Denmark Strait region - a land-sea correlation of new and existing climate proxy records. Geogr. Ann. 87 A, 159-174.
21. Kromer, B., Clausen, M., Latuske, N., Luken, M., Remmele, S. and Schleser, G. 2004. Solar variability and Holocene climate: evidence from radiocarbon, tree-ring proxies and climate system modelling. Past Glob. Chang. 12, (2), 13-15.
22. Bond, G., Showers, W., Cheseby, M., Lotti, R., Almasi, P., deMenocal, P., Priore, P., Cullen, H., et al. 1997, A pervasive millennial-scale cycle in North Atlantic Holocene and Glacial climates. Science 278, 1257-1266.
23. Broecker, W.S. 2001. Was the Medieval warm period global? Science 291, 1497-1499.
24. Davis, C. and Bohling, G.C., 2001. The search for patterns in ice-core temperature curves. In: Geological Perspectives of Global Change. Gerhard, L.C. and Harrison, W.E. (eds). pp. 213-229.
25. Scafetta, N. and West, B.J. 2005. Estimated solar contribution to the global surface warming using the ACRIM TSI satellite composite. Geophys. Res. Lett. 32, L18713. (doi: 10.1029/2005GL023849)
26. Ogurtsov, M., Jungner, H. and Lindholm, M. 2007. A potential century-scale rhythm in six major paleoclimatic records in the northern hemisphere. Geogr. Ann. 89A, 129-136.
27. Chambers, F.M. and Blackford, J.J. 2001. Mid- and late-Holocene climatic changes: a test of periodicity and solar forcing in proxy-climate data from blanket peat bogs. J. Quat. Sci. 16, 329-338.
28. Kondrashov, D., Feliks, Y. and Ghil, M. 2005. Oscillatory modes of extended Nile River records (A.D. 622-1922). Geophys. Res. Lett. 32, L10702. (doi: 10.1029/2004GL022156)
29. Alexander, W.J.R., Bailey, F., Bredenkamp, D.B., van der Merwe, A. and Willemse, N. 2007. Linkages between solar activity, climate predictability and water resource development. J. S. Afr. Inst. Civ. Eng. 49, (2), 32-44.
30. Asmerom, Y., Polyak, V., Burns, S. and Rassmussen, J. 2007. Solar forcing of Holocene climate: new insights from a speleothem record, southwestern United States. Geology 35, 1-4.
31. Ruzmaikin, A., Feynmaan, J. and Yung, Y.L. 2006. Is solar variability reflected in the Nile River? J. Geophys. Res. 111.
32. O'Brien, S.R., Mayewski, P.A., Meeker, L.D., Meese, D.A., Twickler, M.S. and Whitlow, S.I. 1995. Complexity of Holocene climate as reconstructed from a Greenland ice core. Science 270, 1962-1964.
33. North Greenland Ice Core Project members. 2004. High-resolution record of Northern Hemisphere climate extending into the last interglacial period. Nature 431, 147-151.
34. Dahl-Jensen, D., Mosegaard, K., Gundestrup, N., Clow, G.D., Johnsen, S.J., Hansen, A.W. and Balling, N. 1998. Past temperatures directly from the Greenland Ice Sheet. Science 282, 268-271.
35. Maasch, K.A., Mayewski, P.A., Rohling, E.J., Stager, J.F., Karlén, W., Meeker, L.D. and Meyerson, E.-A. 2005. A 2000-year context from modern climate change. Geogr. Ann. 87 A, 7-15.
36. Hormes, A., Müller, B.U. and Schlüter, C. 2001. The Alps with little ice: evidence for eight Holocene phases of reduced glacier extent in the Central Swiss Alps. The Holocene 11, 255-265.
37. Holzhauser, H., Magney, M. and Zumbühl, H.J. 2005. Glacier and lake-level variations in west-central Europe over the last 3500 years. The Holocene 15, 789-801.
38. Grudd, H., Briffa, K.R., Karlén, W., Bartholin, T.S., Jones, P.D. and Kromer, B.A. 2002. 7400-year tree-ring chronology in northern Swedish Lapland: natural climatic variability expressed on annual to millennial timescales. The Holocene 12, 657-665.
39. Briffa, K.R. 2000. Annual climate variability in the Holocene: interpreting the message of ancient trees. Quat. Sci. Rev. 19, 87-105.
40. Cook, E.R., Palmer, J.G. and D'Arrigo, R.D. 2002. Evidence for a 'Medieval Warm Period' in a 1.100 vear tree-ring reconstruction of past austral summer temperatures in New Zealand. Geophys. Res. Lett. 29. 1667. (doi: 10.1029/2001GL014580)
41. Pollack, H.N., Huang, S. and Smerdon, J.E. 2006. Five centuries of climate change in Australia: the view from underground. J. Quat. Sci. 21, 701-706.
42. Tyson, P.D. and Lindesay, J.A. 1992. The climate of the last 2000 years in southern Africa. The Holocene 2, 271-278.
43. Holmgren, K., Lee-Thorp, J.A., Cooper, G.R.J. Lundblad, K., Patridge, T.C., Scott, L., Sithaldeen, R., Talma, A.S., et al. 2003. Persistent millennial-scale climatic variability over the past 25,000 years in Southern Africa. Quat. Sci. Rev. 23, 2311-2326.
44. Chambers, F.M., Mauquoy, D., Brain, S.A., Blaauw, M. and Daniell, J.R.G. 2006. Globally synchronous climate change 2800 years ago: proxy data from peat in South America. Earth Planet. Sci. Lett. 253, 439-444.
45. Bianchi, G.G. and McCave, I.N. 1999. Holocene periodicity in North Atlantic Climate and deep-ocean flow south of Iceland. Nature 397, 515-517.
46. Gasse, E., van Kreveld, F., Holmgren, K., Lee-Thorp, J., Rosqvist, G., Rack, F., Staubwasser, M. and Schneider, R. 2004. Holocene climate variability. Quat. Res. 62, 243-255.
47. Haug, G.H., Hughen, K.A., Sigman, D.M., Peterson, L.C. and Röhl. U. 2001. Southward migration of the intertropical convergence zone through the Holocene. Science 293, 1304-1308.
48. Renssen, H., Goosse, H., Fichefet, T., Brovkin, V., Driesschaert, E. and Wolk, F. 2005. Simulating the Holocene climate evolution at northern high latitudes using a coupled atmosphere-sea ice-ocean-vegetation model. Clim. Dyn. 24, 23-43.
49. Heikkilä, M. and Seppä, H. 2002. A 11.000 yr paleotemperature reconstruction from the southern boreal zone in Finland. Quat. Sci. Rev. 22, 541-554.
50. 2 trapped in ice at Taylor Dome. Antarctica. Nature 398, 121-126.
51. 2 variability in the early Holocene: a stomatal frequency reconstruction. Glob. Planet. Change 57, 247-260.
52. Hammer, C.U., Clausen, H.B., Friedrich, W.L. and Tauber, H. 1987. The Minoan eruption of Santorini in Greece dated to 1645 BC? Nature 328, 517-519.
53. Baillie, M.G.L. and Munro, M.A.R. 1988. Irish tree rings. Santorini and volcanic dust veils. Nature 332, 344-346.
54. Zielinski, G.A., Mayewski, P.A., Meeker, L.D., Whitlow, S., Twickler, M.S., Morrisson, M., Meese, D.A., Gow, A.J., et al. 1994. Record of volcanism since 7000 B.C. from the GISP2 Greenland ice core and implications for the volcano-climate system. Science 264, 948-952.
55. Magney, M. 1995. Successive oceanic and solar forcing indicated by Younger Dryas and early Holocene climatic oscillations in the Jura. Quat. Res. 43, 279-285.
56. Koch, J. and Clague, J.J. 2007. Are insolation and sunspot activity the primary drivers of Holocene glacier fluctuations? Past Glob. Chang. News 14, (3), 20-21.
57. Street-Perrott, F.A., Holmes, J.A., Waller, M.P., Allen, M.J., Barber, N.G.H., Fothergill, P.A., Harkness, D.D., Ivanovich, et al. 2000. Drought and dust deposition in the West African Sahel: a 5500-year record from Kajemarum Oasis, northeastern Nigeria. The Holocene 10, 293-302.
58. Hugen, K.A., Overpeck, J., Peterson, L. and Trumbore, S. 1996. Rapid climate changes in the tropical Atlantic region during the last deglaciation. Nature 380, 51-54.
59. Wang, Y., Chen, H., Edwards, R.L., He, Y., Kong, X., An, Z., Wu, J., Kelly, M.J., et al. 2005. The Holocene Asian monsoon: links to solar changes and North Atlantic climate. Science 308, 854-857.
60. Yancheva, G., Nowaczyk, R.N., Mingram, J., Dulski, P., Schettler, G., Negendank, J.F.W., Liu, J., Sigman, D.M., et al. 2007. Influence of the intertropical convergence zone on the East Asian monsoon. Nature 450, 74. (doi: 10.1038 nature05431)
61. Rycroft, M.J., Israelsson, S. and Price, C. 2000. The global atmospheric electric circuit, solar activity and climate change. J. Armos. Solar-Terrestrial Phys. 62, 1563-1576.
62. 2 fluctuations during the last millennium reconstructed by stomatal frequency analysis of Tsuga heterophylla needles. Geology 33, 33-36.
63. 2: the greatest scientific scandal of our time. EIR Science 16, 38-53.
64. Clark, P.U., Alley, R.B. and Pollard, D. 1999. Northern Hemisphere ice-sheet influence on global climate change. Science 286, 1105-1111.
65. Denton, G.H., Broecker, W.S. and Alley, R.B. 2006. The mystery interval 17.5 to 14.5 kys ago. Past Glob. Chang. News 14, (2), 14-16.
66. Bard, E., Raisbeck, G., Yiou, F. and Jouzel, J. 2000. Solar irradiance during the last 1200 years based on cosmogenic nuclides. Tellus 52B, 985-992.
67. Svensmark, H. and Friis-Christensen, E. 1997. Variation of cosmic ray flux and global cloud coverage - a missing link in solar-climate relationships. J. Atmos. Solar Terrestrial Phys. 59, 1225-1232.
68. Carslaw, K.S., Harrison, R.G. and Kirkby, J. 2002. Cosmic rays. clouds, and climate. Science 298, 1732-1737.
69. Kanipe, J. 2006. A cosmic connection. Nature 443, 141-143.
70. Svensmark, H. 2007. Cosmoclimatology: a new theory emerges. Astron. Geophys, 48, 18-24.
71. Soon, W. and Baliunas, S. 2003. Proxy climatic and environmental changes of the past 1000 years. Clim. Res. 23, 89-110.