Department of Water Resources and Environmental Engineering, School of Civil Engineering, National Technical University of Athens, 15780, Athens, Greece.
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- Publications
- Influence
A mathematical framework for studying rainfall intensity-duration-frequency relationships
- Demetris Koutsoyiannis, Demosthenes Kozonis, Alexandros Manetas
- Mathematics
- 1 April 1998
A general formula for the rainfall intensity-duration-frequency (idf) relationship, consistent with the theoretical probabilistic foundation of the analysis of rainfall maxima is proposed. Specific… Expand
Climate change, the Hurst phenomenon, and hydrological statistics
- Demetris Koutsoyiannis
- Environmental Science
- 1 February 2003
Abstract The intensive research of recent years on climate change has led to the strong conclusion that climate has always, throughout the Earth's history, changed irregularly on all time scales.… Expand
The Hurst phenomenon and fractional Gaussian noise made easy
- Demetris Koutsoyiannis
- Mathematics
- 1 August 2002
Abstract The Hurst phenomenon, which characterizes hydrological and other geophysical time series, is formulated and studied in an easy manner in terms of the variance and autocorrelation of a… Expand
Statistics of extremes and estimation of extreme rainfall: II. Empirical investigation of long rainfall records / Statistiques de valeurs extrêmes et estimation de précipitations extrêmes: II.…
- Demetris Koutsoyiannis
- Geography, Mathematics
- 1 August 2004
Abstract
Abstract In the first part of this study, theoretical analyses showed that the Gumbel distribution is quite unlikely to apply to hydrological extremes and that the extreme value… Expand
“Panta Rhei—Everything Flows”: Change in hydrology and society—The IAHS Scientific Decade 2013–2022
- A. Montanari, G. Young, +31 authors V. Belyaev
- Political Science, History
- 30 May 2013
Abstract The new Scientific Decade 2013–2022 of IAHS, entitled “Panta Rhei—Everything Flows”, is dedicated to research activities on change in hydrology and society. The purpose of Panta Rhei is to… Expand
One decade of multi-objective calibration approaches in hydrological modelling: a review
- A. Efstratiadis, Demetris Koutsoyiannis
- Computer Science
- 10 March 2010
TLDR
Battle of extreme value distributions: A global survey on extreme daily rainfall
- S. Papalexiou, Demetris Koutsoyiannis
- Geology
- 2013
[1] Theoretically, if the distribution of daily rainfall is known or justifiably assumed, then one could argue, based on extreme value theory, that the distribution of the annual maxima of daily… Expand
Statistics of extremes and estimation of extreme rainfall: I. Theoretical investigation / Statistiques de valeurs extrêmes et estimation de précipitations extrêmes: I. Recherche théorique
- Demetris Koutsoyiannis
- Geography, Mathematics
- 1 August 2004
Abstract
Abstract The Gumbel distribution has been the prevailing model for quantifying risk associated with extreme rainfall. Several arguments including theoretical reasoning and empirical… Expand
Statistical analysis of hydroclimatic time series: Uncertainty and insights
- Demetris Koutsoyiannis, A. Montanari
- Computer Science, Geology
- 1 May 2007
TLDR
Nonstationarity versus scaling in hydrology
- Demetris Koutsoyiannis
- Environmental Science
- 15 June 2006
Abstract The perception of a changing climate, which impacts also hydrological processes, is now generally admitted. However, the way of handling the changing nature of climate in hydrologic practice… Expand