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Towards Understanding Hydroclimatic Change in Victoria, Australia – Preliminary Insights Into the Big Dry : Volume 14, Issue 3 (08/03/2010)

By Kiem, A. S.

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Book Id: WPLBN0003983594
Format Type: PDF Article :
File Size: Pages 13
Reproduction Date: 2015

Title: Towards Understanding Hydroclimatic Change in Victoria, Australia – Preliminary Insights Into the Big Dry : Volume 14, Issue 3 (08/03/2010)  
Author: Kiem, A. S.
Volume: Vol. 14, Issue 3
Language: English
Subject: Science, Hydrology, Earth
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2010
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Verdon-Kidd, D. C., & Kiem, A. S. (2010). Towards Understanding Hydroclimatic Change in Victoria, Australia – Preliminary Insights Into the Big Dry : Volume 14, Issue 3 (08/03/2010). Retrieved from http://www.ebooklibrary.org/


Description
Description: Environmental and Climate Change Research Group, School of Environmental and Life Sciences, Faculty of Science and IT, University of Newcastle, Australia. Since the mid-1990s the majority of Victoria, Australia, has experienced severe drought conditions (i.e. the Big Dry) characterized by streamflow that is the lowest in approximately 80 years of record. While decreases in annual and seasonal rainfall totals have also been observed, this alone does not seem to explain the observed reduction in flow. In this study, we investigate the large-scale climate drivers for Victoria and demonstrate how these modulate the regional scale synoptic patterns, which in turn alter the way seasonal rainfall totals are compiled and the amount of runoff per unit rainfall that is produced. The hydrological implications are significant and illustrate the need for robust hydrological modelling, that takes into account insights into physical mechanisms that drive regional hydroclimatology, in order to properly understand and quantify the impacts of climate change (natural and/or anthropogenic) on water resources.

Summary
Towards understanding hydroclimatic change in Victoria, Australia – preliminary insights into the Big Dry

Excerpt
Kiem, A. S., Franks, S. W., and Kuczera, G.: Multi-decadal variability of flood risk, Geophys. Res. Lett., 30, 1035, doi:1010.1029/2002GL015992, 2003.; Ashok, K., Guan, Z., and Yamagata, T.: Influence of the Indian Ocean Dipole on the Australian winter rainfall, Geophys. Res. Lett., 30(15), 1821, doi:10.1029/2003GL017926, 2003.; Ashok, K., Tam, C.-Y., and Lee, W.-J.: ENSO Modoki impact on the Southern Hemisphere storm track activity during extended austral winter, Geophys. Res. Lett., 36, L12705, doi:12710.11029/12009GL038847, 2009.; Cai, W. and Cowan, T.: Dynamics of late autumn rainfall reduction over southeastern Australia, Geophys. Res. Lett., 35, L09708, doi:09710.01029/02008GL033727, 2008a.; Cai, W. and Cowan, T.: Evidence of impacts from rising temperature on inflows to the Murray-Darling Basin, Geophys. Res. Lett., 35, L07701, doi:07710.01029/02008GL033390, 2008b.; Cai, W. and Cowan, T.: La Niña Modoki impacts Australia autumn rainfall variability, Geophys. Res. Lett., 36, L12805, doi:12810.11029/12009GL037885, 2009.; CSIRO: Water availability in the Murray-Darling Basin, A report to the Australian Government from the CSIRO Murray-Darling Basin Sustainable Yields Project, CSIRO, Australia, 67 pp., 2008.; Drosdowsky, W.: The latitude of the subtropical ridge over Eastern Australia: The L index revisited, Int. J. Climatol., 25, 1291–1299, 2005.; Kiem, A. S. and Franks, S. W.: On the identification of ENSO-induced rainfall and runoff variability: a comparison of methods and indices, Hydrolog. Sci. J., 46, 715–727, 2001.; Kiem, A. S. and Verdon-Kidd, D. C.: Climatic drivers of Victorian streamflow: Is ENSO the dominant influence?, Australian Journal of Water Resources, 13, 17–30, 2009.; Larsen, S. H. and Nicholls, N.: Southern Australian rainfall and the subtropical ridge: Variations, interrelationships, and trends, Geophys. Res. Lett., 36, L08708, doi:08710.01029/02009GL037786, 2009.; Lockart, N., Kavetski, D., and Franks, S. W.: On the recent warming in the Murray-Darling Basin: Land surface interactionsmisunderstood, Geophys. Res. Lett., 36, L24405, doi:24410.21029/22009GL040598, 2009.; Mannik, R. D., Hill, P. I., Murphy, R. E., Herron, A., and Moran, R.: Estimating the change in streamflow resulting from the 2003 and 2006/07 bushfires in south eastern Australia, Proc. H2009 (32nd Hydrology and Water Resources Symposium), Newcastle, Australia, 30 November–3 December, 2009.; Mauget, S. A.: Multidecadal regime shifts in U.S. streamflow, precipitation, and temperature at the end of the Twentieth Century, J. Climate, 16, 3905–3916, 2003.; Murphy, B. F. and Timbal, B.: A review of recent climate variability and climate change in southeastern Australia, Int. J. Climatol., 28, 859–879, 2008.; NWC: Australia's Water Supply Status and Seasonal Outlook, National Water Commission (NWC), Canberra, ACT, 17 pp., 2006.; Pook, M., Lisson, S., Risbey, J., Ummenhofer, C., McIntosh, P., and Rebbeck, M.: The autumn break for cropping in southeast Australia: trends, synoptic influences and impacts on wheat yield, Int. J. Climatol., 29(13), doi:10.1002/joc.1833, 2009.; Potter, N. J., Chiew, F. H. S., Frost, A. J., Srikanthan, R., McMahon, T. A., Peel, M. C., and Austin, J. M.: {Characterisation of recent rainfall and runoff in the Murray-Darling Basin, }A report to the Australian Government from the CSIRO Murray-Darling Basin Sustainable Yields Project, CSIRO, Australia, 40 pp., 2008.; Roderick, M. L. and Farquhar, G. D.: Changes in Australian pan evaporation from 1970 to 2002, Int. J. Climatol., 24, 1077–1090, doi:1010.1002/joc.1061, 2004.; Roderick, M. L., Hobbins, M. T., and Farquhar, G. D.: Pan Evaporation Trends and the Terrestrial Water Balance I. Principles and Observations, Geography Compass, 3(2), doi:10.1111/j.1749-8198.2008.00213.x, 2009a.; Roderick, M. L., Hobbins, M. T., and Farquhar, G. D.: Pan Evaporation Trends and the Terrestrial Water Balance II. Energy Balance and Interpretatio

 

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