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Flood frequency estimation methods and environmental change

The estimation of flood frequency curves by mapping from rainfall frequency curves

The estimation of flood frequency curves by mapping from rainfall frequency curves

... the Flood Estimation Handbook methods for flood frequency estimation in the UK; however the format of the data is such that it can be easily used for other ...more flood ...

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Robust estimation methods with application to flood statistics

Robust estimation methods with application to flood statistics

... Since the processes leading to discharges can be explained by physical phenomena, it might seem somewhat articial to use stochastic models instead of deterministic ones. In fact, this is an often discussed and ...

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Improving the FEH statistical procedures for flood frequency estimation

Improving the FEH statistical procedures for flood frequency estimation

... times the return period (the 5T rule). However, it was found that a default pooling-group size consisting of 500 AMAX events performed well for a range of return periods. Detailed instructions of how to review and adapt ...

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ESTIMATION OF DESIGN FLOOD WITH FOUR FREQUENCY ANALYSIS DISTRIBUTIONS

ESTIMATION OF DESIGN FLOOD WITH FOUR FREQUENCY ANALYSIS DISTRIBUTIONS

... climate change, and the dangerous level of natural disaster in the Lesti sub-watershed is high ...design flood. Therefore, the analysis of design flood is very necessary to be carried out including ...

15

Review of applied statistical methods for flood frequency analysis in Europe

Review of applied statistical methods for flood frequency analysis in Europe

... in flood flows to meteorological drivers for 8 case study catchments in ...detected flood trends, the variables were generated by accounting for the year to year variability of the distribution of one of ...

180

Review of applied-statistical methods for flood-frequency analysis in Europe

Review of applied-statistical methods for flood-frequency analysis in Europe

... local flood producing factors to improve the flood frequency estimation at a ...the flood processes are more amenable to analysis than in larger catchments where the regional ...

130

Flood Frequency Analysis in Context of Climate Change or with Mixed Populations

Flood Frequency Analysis in Context of Climate Change or with Mixed Populations

... 100-year flood estimators (Trend_0) have the smallest log-space ...100-year flood estimator and the largest MSE when trends were modest (within ...year): estimation of a trend in the variance is ...

164

Documentary evidence of past floods in Europe and their utility in flood frequency estimation

Documentary evidence of past floods in Europe and their utility in flood frequency estimation

... Chemical, Environmental and Materials Engineering (DICAM), University of Bologna, Bologna, Italy i Department of Irrigation, Drainage and Landscape Engineering, Faculty of Civil Engineering, Czech Technical ...

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Assessment of Climate Change Impact on Flood Frequency of Bilate River Basin, Ethiopia

Assessment of Climate Change Impact on Flood Frequency of Bilate River Basin, Ethiopia

... other methods and is accepted as the preferred method for computing potential evaporation from meteorological ...values change little from year to year; mean monthly values will usually be ...

17

Evaluating empirical methods of flood flow rate estimation in Bakhtegan watershed-Iran

Evaluating empirical methods of flood flow rate estimation in Bakhtegan watershed-Iran

... of flood flow rate estimation with a certain return period, is use of hydrometric stations statistics but, selected sub-basins in those regions without hydrometric statistics, estimation of peak ...

8

An investigation of the effect of transient climate change on snowmelt, flood frequency and timing in northern Britain

An investigation of the effect of transient climate change on snowmelt, flood frequency and timing in northern Britain

... 2. Models, data and methods 2.1 Catchments The three nested catchments in Scotland used to investigate the affect of snow are part of the River Dee, which begins in the Grampian mountains and flows eastwards to ...

26

Comparison of the use of alternative UKCP09 products for modelling the impacts of climate change on flood frequency

Comparison of the use of alternative UKCP09 products for modelling the impacts of climate change on flood frequency

... series methods. However, time-series methods rely on the ability of (climate or weather generator) models to produce appropriate climatic ...different methods may depend on location or on the system ...

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Probabilistic impacts of climate change on flood frequency using response surfaces I: England and Wales

Probabilistic impacts of climate change on flood frequency using response surfaces I: England and Wales

... Prudhomme et al. (2013b) characterised families of response types by catchment properties, using a decision tree — a set of binary rules (based on catchment properties) which divide a sample (set of catchments) into a ...

25

Indexing floodplain effects for flood estimation

Indexing floodplain effects for flood estimation

... in flood frequency ...generating flood hydrographs with varying flood peaks and durations and routing these through a generalised two-stage river reach using the HEC- RAS flood routing ...

9

Climate change and flood frequency in the UK

Climate change and flood frequency in the UK

... climate change impacts is being informed by improved modelling capabilities and climate change ...climate change on flood ...climate change impacts on peak flows over the next 50 ...

12

Frequency Estimation Using Time-Frequency Based Methods

Frequency Estimation Using Time-Frequency Based Methods

... amplitude, frequency, phase, and the variability of its instantaneous spectral ...existing frequency estimation techniques and proposes a new technique for estimating the instantaneous ...

102

Estimation of uncertainty in flood forecasts - a comparison

of methods

Estimation of uncertainty in flood forecasts - a comparison of methods

... in flood forecasts is moving from the realms of scientific research into ...for flood forecasting ...the flood forecasts to be assessed and forecast lead times to be extended (Cloke and Pappenberger, ...

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Making better use of local data in flood frequency estimation

Making better use of local data in flood frequency estimation

... archives should not be included in these large-scale and other floodplain developments where property and lives are at risk. The reluctance of the UK civil engineering and hydrology academics, practitioners, and water ...

224

Local Frequency-Based Estimation of the Rate of Change of Frequency of the Center of Inertia

Local Frequency-Based Estimation of the Rate of Change of Frequency of the Center of Inertia

... CoI frequency and ultimately converge to it when frequencies of all generators become the same ...the frequency response at Bus 10 would be as shown in ...local frequency curve is upward, it mainly ...

5

Instantaneous Frequency Estimation Methods of Micro-Doppler Signal

Instantaneous Frequency Estimation Methods of Micro-Doppler Signal

... Doppler frequency distribution curve, but only the case of single target with a single micro- scatter was ...two methods fail. But many sophisticated separation methods of micro-Doppler signals have ...

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