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Climate Dynamics

, Volume 28, Issue 1, pp 85–98 | Cite as

A precipitation-dominated, mid-latitude glacier system: Mount Shasta, California

  • Ian M. HowatEmail author
  • Slawek Tulaczyk
  • Philip Rhodes
  • Kevin Israel
  • Mark Snyder
Article

Abstract

Temperature is often seen as the dominant control on inter-decadal glacier volume changes. However, despite regional warming over the past half-century, the glaciers of Mount Shasta have continued to expand following a contraction during a prolonged drought in the early twentieth century, indicating a greater sensitivity to precipitation than temperature. We use the 110 year record of fluctuations in Mount Shasta’s glaciers and climate to calibrate numerical glacier models of the two largest glaciers. The reconstructed balance and volume histories show a much greater correlation to precipitation than temperature and significant correlation to oscillatory modes of Pacific Ocean climate. An approximately 20% increase in precipitation is needed for every 1°C increase in temperature to maintain stability. Under continued historical trends, oscillations in climate modes and random variability will dominate inter-decadal variability in ice volume. Under the strong warming trend predicted by a regional climate model, the temperature trend will be the dominant forcing resulting in near total loss of Mount Shasta’s glaciers by the end of the twenty-first century.

Keywords

Regional Climate Model Pacific Decadal Oscillation Winter Precipitation Southern Oscillation Index Snow Water Equivalent 
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.

Notes

Acknowledgments

This work was funded by the University of California Center for Water Resources, the STEPS Institute and the American Alpine Club. We gratefully acknowledge the help of our six field assistants , the U. S. Forest Service, and the USGS Photogrammetry Lab. A. Fountain and an anonymous reviewer helped to improve the manuscript.

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References

  1. Benson L, Linsley B, Smoot J, Mensing S, Lund S, Stine S, Sarna-Wojcicki A (2003) Influence of the Pacific Decadal Oscillation on the climate of the Sierra Nevada, California and Nevada. Quat Res 59:151–159CrossRefGoogle Scholar
  2. Bitz CM, Battisti DS (1999) Interannual to decadal variability in climate and the glacier mass balance in Washington, western Canada, and Alaska. J Clim 12:3181–3196CrossRefGoogle Scholar
  3. Blackmon M, Boville B, Bryan F, Dickinson R, Gent P, Kiehl J, Moritz R, Randall D, Shukla J, Solomon S, Bonan G, Doney S, Fung I, Hack J, Hunke E, Hurrell J, Kutzbach J, Meehl J, Otto-Bliesner B, Saravanan R, Schneider EK, Sloan L, Spall M, Taylor K, Tribbia J, Washington W (2001) The community climate system model. Bull Am Meteorol Soc 82:2357–2376CrossRefGoogle Scholar
  4. Bohr GS, Aguado E (2001) Use of April 1 SWE measurements as estimates of peak seasonal snowpack and total cold-season precipitation. Water Resour Res 37:51–60CrossRefGoogle Scholar
  5. Budd WF, Keage PL, Blundy NA (1979) Empirical studies of ice sliding. J Glaciol 23:157–170Google Scholar
  6. Cal Energy Com (2003) Integrated energy policy. Report: Climate Change and California. Sacramento, p 46Google Scholar
  7. Cayan DR, Dettinger MD, Diaz HF, Graham NE (1998) Decadal variability of precipitation over western North America. J Climate 11:3148–3166CrossRefGoogle Scholar
  8. Cayan DR, Kammerdiener SA, Dettinger MD, Caprio JM, Peterson DH (2001) Changes in the onset of spring in the Western United States. Bull Am Meteorol Soc 82:399–415CrossRefGoogle Scholar
  9. Coquard J, Duffy PB, Taylor KE, Iorio JP (2004) Present and future surface climate in the western USA as simulated by 15 global climate models. Clim Dyn 23:455–472CrossRefGoogle Scholar
  10. Daly C, Taylor G, Kittel T, Schimel D, McNab A (2002). Development of a 103-year high-resolution climate data set for the conterminous United States; comprehensive final report for 9/1/97–5/31/02. Oregon State University, NOAA Climate Change Data and Detection Program, 17Google Scholar
  11. Dickinson RE, Errico RM, Giorgi F, Bates GT (1989) A regional climate model for the western United-States. Clim Change 15:383–422Google Scholar
  12. Diller JS (1895) Mount Shasta, a typical volcano. National Geographic Society Monographs, pp 237–268Google Scholar
  13. Driedger CL, Kennard PM (1986) Ice volumes on Cascade volcanoes. USGS Professional Paper 1365:27Google Scholar
  14. Guyton B (1998) Glaciers of California. The University of California Press, Berkeley, p 223Google Scholar
  15. Hill M, Egenhoff EL (1976) A California Jokullhaup. Calif Geol 29:154–158Google Scholar
  16. Hock R (2003) Temperature index melt modeling in mountain areas. J Hydrol 282:104–115CrossRefGoogle Scholar
  17. Hodge SM, Trabant DC, Krimmel RM, Heinrichs TA, March RS, Josberger EG (1998) Climate variations and changes in mass of three glaciers in western North America. J Clim 11:2161–2179CrossRefGoogle Scholar
  18. Hooke RL (1998) Principles of Glacier mechanics. Prentice Hall, Upper Saddle River, p 248Google Scholar
  19. Howat IM, Snyder MA, Tulaczyk S, Sloan LC (2003) California’s Snow Gun and its implications for mass balance predictions under greenhouse warming. Eos Transactions AGU 84: Fall Meet Suppl Abstract C11B-0806Google Scholar
  20. Howat IM, Tulaczyk S (2005a) Climate sensitivity of spring snowpack in the Sierra Nevada. J Geophys Res 110:F04021. DOI 10.1029/2005JF000356Google Scholar
  21. Howat IM, Tulaczyk S (2005b) Trends in California’s snow water volume over a half century of climate warming. Ann Glaciol 40:151–156Google Scholar
  22. Intergovernmental Panel on Climate Change (2001) Working Group I. Climate Change 2001: The Scientific BasisGoogle Scholar
  23. JISAO (2005) http://www.cpc.ncep.noaa.gov/data/indices/Google Scholar
  24. Johannesson T, Raymond C, Waddington E (1989) Time-scale for adjustment of glaciers to changes in mass balance. J Glaciol 35:355–369Google Scholar
  25. Jones PD, Allan RJ (2005) Online Southern Oscillation Index datasetGoogle Scholar
  26. Kehrlein O (1937) Glaciers of Mount Shasta. Transactions of the American Geophysical Union. Reports and Papers, Hydrology, p 297Google Scholar
  27. Kovanen DJ (2003) Decadal variability in climate and glacier fluctuations on Mt Baker, Washington, USA. Geogr Ann Ser A Phys Geogr 85A:43–55CrossRefGoogle Scholar
  28. Matthes FE (1942) Physics of the Earth. Part 9. Hydrology. McGraw Hill, New York, pp 149–219Google Scholar
  29. Maurer EP, Duffy PB (2005) Uncertainty in projections of streamflow changes due to climate change in California. Geophys Res Lett 32:Art. No. L03704. DOI 10.1029/2004GL021462Google Scholar
  30. McCabe GJ, Dettinger MD (1999) Decadal variations in the strength of ENSO teleconnections with precipitation in the western United States. Int J Climatol 19:1399–1410CrossRefGoogle Scholar
  31. McCabe GJ, Dettinger MD (2002) Primary modes and predictability of year-to-year snowpack variations in the western United States from teleconnections with Pacific Ocean climate. J Hydrometeorol 3:13–25CrossRefGoogle Scholar
  32. Minobe S (1997) A 50–70 year climatic oscillation over the North Pacific and North America. Geophys Res Lett 24:683–686CrossRefGoogle Scholar
  33. Mote PW (2003) Trends in snow water equivalent in the Pacifc Northwest and their climatic causes. Geophys Res Lett 30. DOI 10.1029/2003GL017258Google Scholar
  34. NCAR (2005) http://www.cpc.ncep.noaa.gov/data/indices/Google Scholar
  35. Oerlemans J (2001) Glaciers and climate change. Swets & Zeitlinger, Lisse, p 148Google Scholar
  36. Paterson WSB (1994) The physics of glaciers 3. Butterworth-Heinemann, Oxford, p 481Google Scholar
  37. Piechota TC, Dracup JA, Fovell RG (1997) Western US streamflow and atmospheric circulation patterns during El Nino Southern Oscillation. J Hydrol 201:249–271CrossRefGoogle Scholar
  38. Rhodes PT (1987) Historic glacier fluctuations on Mount Shasta, Siskiyou County. Calif Geol 40:205–211Google Scholar
  39. World Glacier Monitoring Service (2001) Glacier Mass Balance Bulletin. In: Haerberli W, Frauenfelder R, Hoelzle M (eds). Zurich, p 93Google Scholar

Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • Ian M. Howat
    • 1
    Email author
  • Slawek Tulaczyk
    • 1
  • Philip Rhodes
    • 2
  • Kevin Israel
    • 1
  • Mark Snyder
    • 1
  1. 1.Department of Earth SciencesUniversity of CaliforniaSanta CruzUSA
  2. 2.Mill ValleyUSA

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