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Report KOS 2013


Kos Island, 17-19 October 2013

STAHY group at Asclepion Archeological site (poster session venue)

In 2013 the topical workshop of ICSH-IAHS Commission was held jointly to two prestigious events: the EGU Leonardo Conference, held every year in Europe, and the Hydrofractals Conference, held every ten years.

The STAHY workshop involved 20 oral presentations and 22 posters.

For the first time the STAHY best paper award was assigned and the recipient (S. C. Kao) was the invited speaker of the conference.

As in the previous editions of the STAHY workshops also in Kos we proposed and organized a Round Table on a "father" of statistical hydrology. We are particularly grateful to John Sutcliffe to have managed the round table involving distinguished colleague to celebrate the contribution of Harold Edwin Hurst.  

A special thanks to Demetris Koutsoyiannis and to his research group of National Technical University of Athens for the wonderful organization and warm hospitality.

Thanks also to Nikos Dargonakis for his efficient organization of the event.

Videos of oral contributions and poster interviews are collected in the ICSH-IAHS YouTube Channel ( thanks to the help of Andrea Petroselli.


Welcome Addresses
C. Cudennec, IAHS
S. Grimaldi, IAHS-ICSH

Round Table for Harold Edwin Hurst
Chairperson: J. Sutcliffe

“Harold Hurst as engineer and master craftsman”
S. Hurst (United Kingdom) 

(see the presentation slides)

“Harold Hurst: His career and legacy”
J. Sutcliffe, E. Brown (United Kingdom)
(see the presentation slides)

“Hurst, climate variability and sustainable Nile water management”
E. O’Connell, G. Parkin, G. O’Donnell (United Kingdom)
(see the presentation slides) 

“I would not have seen it if I had not believed it”
T.A. Cohn, D. Koutsoyiannis, H.F. Lins, A. Montanari (USA, Greece, Italy)
(see the presentation slides)

“Hurst: an influential figure in water history, management practices and research orientations in Egypt"
A.G.Awadallah (Egypt)
(see the presentation slides)

Round Table Group: (from the left) Alberto Montanari, Tim Cohn, Salvatore Grimaldi, Harry F. Lins, Stephen Hurst, Enda O'Connell, Demetris Koutsoyiannis, John Sutcliffe, Ayman Georges Awadallah


Session 1
Chairperson: E. Eris

"The value of uncertainty in practice: 1. Hydrologic design in a river section"
A. Botto, D. Ganora, F. Laio, P. Claps (Italy)
(see the presentation slides)

"Is there a pan-European flood frequency distribution?"
J.L. Salinas, A. Castellarin, S. Kohnov, T.R. Kjeldsen (Austria, Italy, Slovak Republic, United Kingdom)
(see the presentation slides)

"Flood frequency analysis using the greatest flood of unsystematic observation period"
W.G. Strupczewski, K. Kochanek, E. Bogdanowicz, I. Markiewicz (Poland)
(see the presentation slides)

"Information flows in multi-objective calibration"
S.V.Weijs, M.B. Parlange (Switzerland)
(see the presentation slides)

"The times—are they a-changin’? A global survey in annual precipitation changes"
S.M. Papalexiou, A. Montanari (Greece, Italy)
(see the presentation slides)

"Time scales and uncertainty"
R.Van Nooijen, A. Kolechkina (The Netherlands)
(see the presentation slides)

STAHY Invited Lecture:
Chairperson: E. Gargouri

"A copula-based joint deficit index for droughts"
S.-C. Kao, R.S. Govindaraju (USA)
(see the presentation slides)

STAHY Best Paper Award. (from the left) Ebru Eris, Salvatore Grimaldi, Emna Gargouri, Shih-Chieh Kao, Christophe Cudennec.

Session 2

"Stochastic modeling of high resolution space-time precipitation fields – The STREAP model"
A. Paschalis, P. Molnar, S. Fatichi, P. Burlando (Switzerland)
(see the presentation slides)

"Theoretical modeling of daily rainfall occurrence and amount conditional on atmospheric predictors"
A. Langousis, V. Kaleris (Greece)
(see the presentation slides)

"Bayesian modelling of extreme precipitation events"
J. Picek (Czech Republic)
(see the presentation slides)

"Spatial regression models for extreme precipitation"
H.Van de Vyver (Belgium)
(see the presentation slides)

"Areal distribution of extreme short rainfall evaluated using meteorological information"
S. Gabriele (Italy)
(see the presentation slides)

"Experimental detection of snowfalls vs avalanches synchronization and link to prediction uncertainty"
R. Forclaz, B. Crouzy, B. Sovilla, J.G. Corripio, P. Perona (Switzerland, Austria)
(see the presentation slides)

Session 3
Chairperson: S.M. Papalexiou

"Downscaling RCM rainfall to gauge networks via CP-Dependent QQ trans- forms and recorrelation in South Africa anticipating climate change"
G. Pegram, A. Bardossy (South Africa, Germany)
(see the presentation slides)

"Trend analysis in frequency and seasonality of high and low flows in Eastern Black Sea region, Turkey"
E. Eris, H. Aksoy (Turkey)
(see the presentation slides)

"Towards improvement of accuracy of hydrologic design flow estimate"
I. Markiewicz, E. Bogdanowicz, W.G. Strupczewski, K. Kochanek (Poland)
(see the presentation slides)

"Geostatistical prediction of flow-duration curves in ungauged catchments"
A. Pugliese, A. Castellarin, A. Brath (Italy)
(see the presentation slides)

"Uncertainty estimation of hydrological models using Gaussian-Process-Regression"
C. Fischer (Germany)
(see the presentation slides)

"A quick gap-filling of missing hydrometeorological data"
  Pappas, S.-M. Papalexiou, D. Koutsoyiannis (Switzerland, Greece)
(see the presentation slides)


Chairperson: S. Papalexiou

Estimation of radar rainfall uncertainty based upon kriging and analysis of its propagation through urban drainage modelling
L.-P.Wang,A. Papastergiou, S. Ochoa-Rodriguez,A. Schellart, C. Onof (United Kingdom)
(see the video)
Stochastic modelling of sea waves for simulation of wave energy
I. Papatsoutsos, S.M. Papalexiou, D. Koutsoyiannis (Greece)
(see the poster pdf) (see the video)
Spatial and temporal rainfall variability over Greece E.-C.Moschou,S.-C.Batelis,Y.Dimakos,I.Fountoulakis,Y.Markonis,S.-M.Papalexiou, N. Mamassis, D. Koutsoyiannis (Greece)
(see the video)

Assessment of Bartlett-Lewis type of rainfall models for preserving drought statistics using a copula-based approach
M.-T. Pham,W.J.Vanhaute, S.Vandenberghe, B. De Baets, N.Verhoest (Belgium)
(see the video)

Predicting reservoir inflows using water balance equations combined with particle filtering and empirical information
I. Nalbantis (Greece)
(see the poster pdf)

Simultaneous use of observations and deterministic model outputs to forecast persistent stochastic processes
H.Tyralis, D. Koutsoyiannis (Greece)
(see the video)

Investigation of drought characteristics in different temporal and spatial scales: A case study in the Mediterranean region
Y. Markonis, A. Efstratiadis,A. Koukouvinos, N. Mamassis, D. Koutsoyiannis (Greece)
(see the video)

Geophysical time series vs. financial time series of agricultural products: Similarities and differences
V.K.Vasilaki, S. Curceac, S.-M. Papalexiou, D. Koutsoyiannis (Greece)
(see the poster pdf) (see the video)

How to parsimoniously disaggregate rainfall in time
F. Lombardo, E.Volpi, D. Koutsoyiannis (Italy, Greece)
(see the poster pdf) (see the video)

The use of stochastic objective functions in water resource optimization problems
P. Kossieris,A. Efstratiadis, D. Koutsoyiannis (Greece)
(see the poster pdf)

Coupling the strengths of optimization and simulation for calibrating Poisson cluster models
P. Kossieris,A. Efstratiadis, D. Koutsoyiannis (Greece)
(see the poster pdf) (see the video)

Construction of ombrian curves using Hydrognomon software system
S. Kozanis, D. Koutsoyiannis,T.Tsitseli,A. Koukouvinos, N. Mamassis (Greece)
(see the video)

N-Dimensional generalized Hurst-Kolmogorov process and its application to wind fields
P. Dimitriadis, D. Koutsoyiannis, C. Onof (Greece, United Kingdom)
(see the poster pdf) (see the video)
Outlier detection of extreme value series
O.L.Asikoglu, E. Eris (Turkey)
(see the poster pdf) (see the video)

An assessment on the infiltration model impact on the statistical properties of surface runoff
A.I.Vornetti, R.S. Seoane (Argentina)

On the homogenization of hydro-climatic time series with long-term persistence
E. Steirou, D. Koutsoyiannis (Germany)
(see the video)



Ministero dell'Ambiente e della Tutela del Territorio e del Mare

Institute for Environmental Protection and Research

 Honors Center of Italian Universities - H2CU 
Sapienza University of Rome

University of Tuscia,
Viterbo, Italy


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