Advertisement

GeoJournal

, Volume 42, Issue 2–3, pp 329–336 | Cite as

Investigation into albedo-controlled energy loss during the last glaciation

  • Britta Bielefeld
Article

Abstract

In recent years, attention has increasingly been paid to the question of the stability of the earth's climate. It has been observed that changes in climate are usually related to changes in the earth's surface. On this question, Liedtke writes ‘A change in climate can lead to considerable landscape changes’ (Liedtke 1990, p. 38). There seems to be some form of interaction between climate and the condition of the earth's surface. If solar radiation is taken to be the primary energy source for the earth's climate, the question arises as to how insolation affects the character of the earth's surface, and vice versa, how does the character of the earth's surface affect the insolation which occurs? Reconstructions of the last great Pleistocene glaciation 18,000 years ago show that the form of the earth's surface at that time was considerably different to its present form. In view of the interaction mentioned above between climate and earth surface, does this suggest a difference between the earth's radiation budget 18,000 years ago and that of today? If, as is widely believed, the area of the earth's surface covered by ice 18,000 years ago was approximately three times the current area (Liedtke 1990, p. 42), this presumably would have had at least some influence on the earth's radiation budget. The ice-covered areas may have modified the radiation budget by means of their high reflexivity. In other words, an albedo-related loss of radiation may have occurred. The results of this investigations show, that the global radiation budget at 18,000 B.P was about 7- -10% less than that of today.

Keywords

Solar Radiation Energy Source Insolation Energy Loss Pleistocene 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. Albrecht, F.: Untersuchungen über den Wärmehaushalt der Erdoberfläche in verschiedenen Klimagebieten; Berlin 1940.Google Scholar
  2. Atlas of Paleoclimates 1992.Google Scholar
  3. Baumgartner, A.; Mayer, H.; Metz, W.: Globale Verteilung der Oberflächenalbedo. Meteorologische Rundschau Heft 2, 29. Jahrgang (1976)Google Scholar
  4. Berghaus Physikalischer Atlas Nr. 27. Gotha 1892.Google Scholar
  5. Budyko, M. I: Climate and Life. New York 1974.Google Scholar
  6. Budyko, M. I: Heat Balance of the Artic. Bonner Meteorologische Abhandlungen. Bonn 1971.Google Scholar
  7. Budyko, M. I: Der Wärmehaushalt der Erdoberfläche. Fachliche Mitteilungen, Luftwaffenamt. Proz-Wahn 1963.Google Scholar
  8. Climap Project Members: Seasonal Reconstruction of the Earth's surface at the last Glacial Maximum. New York 1981.Google Scholar
  9. Denton, G. H.; Hughes, T. J.: The Last Great Ice Sheets. New York 1981.Google Scholar
  10. Dickinson, R. E.: Climate Sensivity. Manabe/Suryko (ed.) Issues in Atmospheric Oceanic modelling. Orlando 1985.Google Scholar
  11. Flohn, H.: Climate and Energy. Climatic Change. Dordrecht 1977.Google Scholar
  12. Flohn, H.: Globale Energiebilanz und Klimaschwankungen. Meteorologische Abhandlungen. Bonn 1973.Google Scholar
  13. Henning, D: Atlas of the surface Heat Balance of the continents. Berlin 1989.Google Scholar
  14. Kuhle, M.: DFG Abschlußsbericht über die Ergebnisse der chinesisch — deutschen Gemeinschaftsexpedition nach S Tibet und in die Nordflanken des Shisha Pangma und Mount Everest (Chomolungma) 1985, 1–52 (1985).Google Scholar
  15. Kuhle, M: Eine reliefspezifische Eiszeittheorie. Die Geowissenschaften. Weinheim. 6. Jg., H. 5, 142–150, Mai (1988).Google Scholar
  16. Kuhle, M.: Die Inlandvereisung Tibets als Basis einer in der Globalstrahlungsgeometric fuenden, reliefspezifischen Eiszeittheorie. Petermanns Geographische Mitteilungen 133(4), 265–285 (1989).Google Scholar
  17. Kuhle, M.; Herterich, K.; Calow, R.: On The Ice Age Glaciation of The Tibetan Highlands and its Transformation into a 3-D Model. GeoJournal 19(2), 201–206 (1989).CrossRefGoogle Scholar
  18. Liedtke, H. (ed.): Eiszeitforschung. Darmstadt 1990.Google Scholar
  19. Manabe, S. (ed): Issues in Atmospheric and Oceanic Modelling. Orlando 1985.Google Scholar
  20. Manabe, S.; Broccoli, A. J.: Ice Age Climate and continental Ice-Sheets: Some Experiments with a general Circulation Model. Annals of Glaciology. Cambridge 1985.Google Scholar
  21. McIntyre, A.: The Surface of the Ice-Age Earth. Science 1976.Google Scholar
  22. Milankovtch, M.: Kanon der Erdbestrahlung, Belgrad 1941.Google Scholar
  23. Schwarzbach, M: Das Klima der Vorzeit. Stuttgart 1988.Google Scholar
  24. Wang, W. C.; Stone, P. H: Effect of Albedo Feedback on a global Sensivity in a one dimensional radiative-convective Climate — Model. Journal of Atmospheric Science 1980.Google Scholar

Copyright information

© Kluwer Academic Publishers 1997

Authors and Affiliations

  • Britta Bielefeld
    • 1
  1. 1.Department of GeographyUniversity of GöttingenGöttingenGermany

Personalised recommendations