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Complex networks for streamflow dynamics

This study introduces the theory of networks, and in particular complex networks, to examine connections in streamflow dynamics. Monthly streamflow data from a network of 639 stations in the United States are studied. The connections are examined primarily using the concept of clustering coefficient, which quantifies the network’s tendency to cluster. The clustering coefficient analysis is performed with several different threshold levels based on correlations in streamflow between the stations.

Historical impact of water infrastructure on water levels of the Mekong River and the Tonle Sap system

This paper analyses the historical water levels of the Mekong River and Tonle Sap system by comparing pre- and post-1991 daily observations from six stations along the Mekong mainstream from Chiang Saen (northern Thailand), to Stung Treng (Cambodia), and the Prek Kdam station on the Tonle Sap River.

Analytical approach for predicting fresh water discharge in an estuary based on tidal water level observations

In this study, the authors investigate the influence of river discharge on tidal wave propagation in the Yangtze estuary with specific attention to residual water level slope.

The XWS open access catalogue of extreme European windstorms from 1979 to 2012

Natural Hazards and Earth System Sciences
DOI 10.5194/nhess-14-2487-2014
22 September 2014

This papers introduces the XWS (eXtreme WindStorms) catalogue, which consists of storm tracks and model-generated maximum 3 s wind-gust footprints for 50 of the most extreme winter windstorms to hit Europe in the period 1979–2012.

Projecting Antarctic ice discharge using response functions from SeaRISE ice-sheet models

In this paper, the authors attempt to estimate the uncertainty range of future ice discharge from Antarctica by combining uncertainty in the climatic forcing, the oceanic response and the ice-sheet model response.

Integrated assessment of global water scarcity over the 21st century under multiple climate change mitigation policies

Water scarcity conditions over the 21st century both globally and regionally are assessed in the context of climate change and climate mitigation policies, by estimating both water availability and water demand within the Global Change Assessment Model, a leading community-integrated assessment model of energy, agriculture, climate, and water.

MEDEX: a general overview

Natural Hazards and Earth System Sciences
DOI 10.5194/nhess-14-1965-2014
5 August 2014

This paper reviews the motivation and foundation of the international MEDiterranean EXperiment (MEDEX), the gestation, history and organisation of the project, as well as the main products and scientific achievements obtained from it.

On the future of journal publications in hydrology

A group of editors from hydrology journals discusses a number of actions to help strengthen publications and research in hydrology as a whole.

Impact of modellers’ decisions on hydrological a priori predictions

Researchers report the discharge predictions of 10 modellers – using the model of their choice – for the man-made Chicken Creek catchment (6 ha, northeast Germany) and analyse how well they improved their prediction in three steps based on adding information prior to each following step.

A general framework for understanding the response of the water cycle to global warming over land and ocean

In an attempt to develop a simple framework for local-scale analysis we found that the climate model output shows a remarkably close relation to the long-standing Budyko framework of catchment hydrology.

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