This paper analyses the influence of climate change and land development on future flood risk for selected Austrian flood-prone municipalities. As part an anticipatory micro-scale assessment we simulated four different inundation scenarios current 100- 300-year floods (which included a allowance), developed settlement growth in floodplains evaluated changes damage potentials until year 2030. Findings show that both significantly increase levels risk. However, respective impacts vary strongly...

This study is a contribution to model intercomparison experiment initiated during workshop at the 2013 IAHS conference in Göteborg, Sweden. We present discharge simulations with conceptual precipitation–runoff COSERO 11 basins located under different climates Europe, Africa and Australia. All of exhibit some form non-stationary conditions, due, for example, warming, droughts or land-cover change. The evaluation daily focuses on overall performance its decomposition into three components...

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Abstract. Risk zonation maps are mostly derived from design floods which propagate through the study area. The respective delineation of inundated flood plains is a fundamental input for risk assessment exposed objects. It implicitly assumed that river morphology will not vary, even though it obvious bed elevation can quickly and drastically change during events. objectives this were to integrate dynamics into procedure quantify associated uncertainties. proposed concept was applied River...

In this paper the third water balance component, actual evapotranspiration (ETA), is analysed. Although rates decrease with increasing altitude, it can be concluded that substantial quantitative differences are found among temperature and energy balance-based techniques for estimating ETA. The objective of study to apply a distributed continuous hydrological model utilise standard meteorological datasets high spatio-temporal resolution (1 km2 60 min) estimate in Alpine Austrian catchments....

Abstract. Rainfall exhibits a large spatio-temporal variability, especially in complex alpine terrain. Additionally, the density of monitoring network mountainous regions is low and measurements are subjected to major errors, which lead significant uncertainties areal rainfall estimates. In contrast, most reliable hydrological information available refers runoff, presented work used as input for an inverted HBV-type rainfall–runoff model that embedded root finding algorithm. For every time...

Abstract The El Niño Southern Oscillation (ENSO) is a major driver of global hydro‐climatic variability, with well‐known effects on floods, droughts, and coupled human‐natural systems. Its impact urban settlements depends both level exposure preparedness; two factors that are responsible for severe cuts millions people in developing countries, where water supply relies almost entirely rainfall‐dependent sources. To understand whether information the ENSO state could help mitigate we use...

Abstract This paper is addressed towards the problem of extracting appropriate model structures by systematic analysis rainfall‐runoff relationships in gauged catchments. The Upper Enns catchment Austrian Alps selected as basis this study. downward approach championed Klemes followed, which involves stepwise adjustment structure to capture observed streamflow variability progressively at annual, monthly, and then on daily time scales. Throughout, we focus emergent properties hydrological...

Abstract The need for estimates of distributed water balance in alpine catchments is addressed. Such are an essential prerequisite the efficient planning and management resource use. Specifically, maximum appropriate spatial resolution that can be obtained assessed, given limited information physiographic parameters meteorological variables, a complex topographical environment. This done using combination existing modelling methodologies. use disaggregation into subregions similar climatic...

Abstract The objective of this paper is to analyse the short‐term effects restoration on river morphology, flow field, substrate and biota. One aims measures arrest degradation Drau, which has caused technical (instability bank protection measures) ecological (loss dynamic reaches with alternate bars) problems. programme consists several such as digging a new side channel right side, leaving an island erection groins left main channel. These were made keep entrance open. After two year...

A multicriterion decision-making (MCDM) concept is applied not only to provide possible solutions for a hydroecological problem but also shed light on the discriminating capabilities of criteria. The aim identify subset given set criteria used seek satisfactory solution among several water resource projects being designed Austrian part Danube between Vienna and Slovakian border. In this section still free-flowing river possesses high ecological value. There are three conflicting interests...

Abstract In mountainous regions of mid latitudes, the accumulation and melting snow plays an important role for seasonal water balance. These processes not only exhibit a strong seasonality, but also high spatial variability, which has to be accounted when establishing distributed balances in alpine environments. A methodology was developed seasonal, spatially modelling embedded balance model that uses monthly values precipitation air temperature as meteorological input data. Hence, this can...

A hydrological modelling framework applied within operational flood forecasting systems in three alpine Danube tributary basins, Traisen, Salzach and Enns, is presented. continuous, semi-distributed rainfall-runoff model, accounting for the main processes of snow accumulation melt, interception, evapotranspiration, infiltration, runoff generation routing set up. Spatial discretization relies on division watersheds into subbasins subsequently hydrologic response units based spatial...