Regional assessment of low flow processes and prediction methods across European regimes

Gregor Laaha, Anne F. Van Loon, Claire Lang Delus, Daniel Koffler

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Abstract

In this contribution we present two pilot studies initiated from the EURO FRIEND-Water Low Flow group. The first study gives an example for bi-lateral assessment of regionalization methods for predicting low flows at ungauged sites. The study covers the Meuse and Moselle basin in NE-France and investigates the performances of the geostatistical method top-kriging and a process-based method, the catchment model GR4J, in different hydrological environments. The second study aims to explore low flow generating processes on a catchment scale by comparing runoff signatures on a regional scale. Based on hydrological drought types we use hot spots of close-by gauges to explore climate-catchment interactions based on catchment similarity. The outcome shall build the foundation for a hydrological drought typology across European regimes. The examples illustrate that FRIEND-Water provides a very precious network which facilitates international collaboration of water experts to tackle wicked water problems.

Original languageEnglish
Title of host publicationHydrology in a Changing World
Subtitle of host publicationEnvironmental and Human Dimensions - Proceedings of FRIEND-Water 2014
EditorsEric Servat, Jean-Emmanuel Paturel, Alain Dezetter, Gregor Laaha, Jean-Francois Boyer, Denis Ruelland, Siegfried Demuth, Gil Mahe, Trevor M. Daniell, Henny A. J. van Lanen
PublisherCopernicus GmbH
Pages11-16
Number of pages6
ISBN (Electronic)9781907161414
Publication statusPublished - 1 Jan 2014
Externally publishedYes
Event7th World Flow Regimes from International and Experimental Network Data-Water Conference, FRIEND-Water 2014 - Montpellier, France
Duration: 7 Oct 201410 Oct 2014

Publication series

NameIAHS-AISH Proceedings and Reports
Volume363
ISSN (Print)0144-7815

Conference

Conference7th World Flow Regimes from International and Experimental Network Data-Water Conference, FRIEND-Water 2014
CountryFrance
CityMontpellier
Period7/10/1410/10/14

Keywords

  • Drought typology
  • Droughts
  • Low flows
  • Regionalisation
  • Top-kriging

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