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Advancing Catchment Hydrology to Deal with Predictions Under Change : Volume 10, Issue 7 (02/07/2013)

By Ehret, U.

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Book Id: WPLBN0004011846
Format Type: PDF Article :
File Size: Pages 54
Reproduction Date: 2015

Title: Advancing Catchment Hydrology to Deal with Predictions Under Change : Volume 10, Issue 7 (02/07/2013)  
Author: Ehret, U.
Volume: Vol. 10, Issue 7
Language: English
Subject: Science, Hydrology, Earth
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2013
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Zehe, E., Sivapalan, M., Westhoff, M. C., Baldassarre, G. D., Wagener, T., Ehret, U.,...Winsemius, H. C. (2013). Advancing Catchment Hydrology to Deal with Predictions Under Change : Volume 10, Issue 7 (02/07/2013). Retrieved from http://worldlibrary.in/


Description
Description: Institute of Water Resources and River Basin Management, Karlsruhe Institute of Technology – KIT, Karlsruhe, Germany. Throughout its historical development, hydrology as an engineering discipline and earth science has relied strongly on the assumption of long-term stationary boundary conditions and system configurations, which allowed for simplified and sectoral descriptions of the dynamics of hydrological systems. However, in the face of rapid and extensive global changes (of climate, land use etc.) which affect all parts of the hydrological cycle, the general validity of this assumption appears doubtful. Likewise, so does the application of hydrological concepts based on stationarity to questions of hydrological change. The reason is that transient system behaviours often develop through feedbacks between the system constituents, and with the environment, generating effects that could often be neglected under stationary conditions. In this context, the aim of this paper is to present and discuss paradigms and theories potentially helpful to advancing hydrology towards the goal of understanding and predicting hydrological systems under change. For the sake of brevity we focus on catchment hydrology. We begin with a discussion of the general nature of explanation in hydrology and briefly review the history of catchment hydrology. We then propose and discuss several perspectives on catchments: as complex dynamical systems, self-organizing systems, co-evolving systems and open dissipative thermodynamic systems. We discuss the benefits of comparative hydrology and of taking an information-theoretic view of catchments, including the flow of information from data to models to predictions.

In summary, we suggest that the combination of these closely related perspectives can serve as a paradigm for the further development of catchment hydrology to address predictions under change.


Summary
Advancing catchment hydrology to deal with predictions under change

Excerpt
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