IAHR, founded in 1935, is a worldwide independent member-based organisation of engineers and water specialists working in fields related to the hydro-environmental sciences and their practical application. Activities range from river and maritime hydraulics to water resources development and eco-hydraulics, through to ice engineering, hydroinformatics, and hydraulic machinery.
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You are here : eLibrary : IAHR World Congress Proceedings : 34th Congress - Brisbane (2011) : THEME 1: Extremes and Variability : Exploring links between effects of climate variations on average rainfall and rainfall extremes
Exploring links between effects of climate variations on average rainfall and rainfall extremes
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Variability in Australian rainfall is dominated by a number of drivers acting on different spatial and temporal scales. Our current understanding indicates that climate change is likely to lead to an increase in rainfall in already wet regions and a drying trend in dry regions. According to the IPCC, rainfall extremes are likely to increase even in regions with a small decrease in average precipitation. However, the relationship between changes in average and extreme precipitation is not well understood. Rainfall extremes are generally studied on the basis of extreme series, such as annual maxima or partial duration series. By reducing the data in this way, potentially valuable information is discarded. This paper will discuss the use of the Empirical Mode Decomposition (EMD) to identify noise, multidecadal variability and long-term trends in time series of rainfall data with the aim of understanding the effects of climate variations on rainfall extremes.
File Size : 1,610,371 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 34th Congress - Brisbane (2011)
Article : THEME 1: Extremes and Variability
Date Published : 01/07/2011
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