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[PDF] Top 20 Runoff thresholds in derived flood frequency distributions

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Runoff thresholds in derived flood frequency distributions

Runoff thresholds in derived flood frequency distributions

... that runoff occurs when a storage capacity has been exceeded in the source ...Thus, runoff source area is controlled by pedology and vegetation density consistently with an infiltration excess mechanism ... See full document

13

Inferring the flood frequency distribution for an ungauged basin using a spatially distributed rainfall runoff model

Inferring the flood frequency distribution for an ungauged basin using a spatially distributed rainfall runoff model

... sample frequency distribu- tion was derived by plotting them against the related Gumbel reduced variate (GRV), therefore obtaining a diagram like ... See full document

12

A space time hybrid hourly rainfall model for derived flood frequency analysis

A space time hybrid hourly rainfall model for derived flood frequency analysis

... probability distributions increase with increasing return ...the flood re- sulting from uniform rainfall is about ...a flood generated from random rainfall, while the flood from spatially ... See full document

15

A conceptual investigation of process controls upon flood frequency: role of thresholds

A conceptual investigation of process controls upon flood frequency: role of thresholds

... to flood fre- quency inherently assume homogeneity and stationarity in the flood generation ...upon flood frequency ...scenario, flood frequency can be characterised in terms of ... See full document

12

Hydrological model calibration for derived flood frequency analysis using stochastic rainfall and probability distributions of peak flows

Hydrological model calibration for derived flood frequency analysis using stochastic rainfall and probability distributions of peak flows

... Abstract. Derived flood frequency analysis allows the es- timation of design floods with hydrological modeling for poorly observed basins considering change and taking into account flood ... See full document

13

Flood Frequency Analysis by an Event-based Rainfall-Runoff Model in Selected Catchments of Southern Poland

Flood Frequency Analysis by an Event-based Rainfall-Runoff Model in Selected Catchments of Southern Poland

... were derived from the Institute of Meteorology and Water Management in Warsaw and covered a multi-year period ...values derived from the statistical method when EBA4SUB model was ... See full document

7

An integrated simulation method for flash flood risk assessment: 1  Frequency predictions in the Bisagno River by combining stochastic and deterministic methods

An integrated simulation method for flash flood risk assessment: 1 Frequency predictions in the Bisagno River by combining stochastic and deterministic methods

... accurate flood frequency prediction in the Bisagno River basin (Thyrrenian Liguria, ...for flood frequency analysis and derived distribution ...a flood-oriented model validation ... See full document

18

Regional parent flood frequency distributions in Europe – Part 2: Climate and scale controls

Regional parent flood frequency distributions in Europe – Part 2: Climate and scale controls

... For each of the wetness and size subsets, the record length weighted moving average (WMA) values of samples L-Cv, L-Cs and L-Ck were computed using a window of 70 catch- ments, where the 70 neighbouring catchments were ... See full document

11

Flood quantiles estimation based on theoretically derived distributions: regional analysis in Southern Italy

Flood quantiles estimation based on theoretically derived distributions: regional analysis in Southern Italy

... mum Flood Series ...that runoff generation occurs when rain- fall intensity and/or rainfall depth exceed given ...Different runoff thresholds may be due to different values of permeability and ... See full document

23

On the asymptotic behavior of flood peak distributions

On the asymptotic behavior of flood peak distributions

... of flood peak distributions obtained through derived flood frequency ...the flood peak distributions are asymptotically controlled by the rainfall statistical prop- ... See full document

11

Estimation of flood warning runoff thresholds in ungauged basins with asymmetric error functions

Estimation of flood warning runoff thresholds in ungauged basins with asymmetric error functions

... given frequency to be associated with the watch/warning threshold can be estimated transferring information from data-rich sites to data-poor ones, as it is done in the corpus of methodologies applied in RFFA ... See full document

12

Frequency distributions of magnetic storms and SI+SSC derived records at Kakioka, Memambetsu, and Kanoya

Frequency distributions of magnetic storms and SI+SSC derived records at Kakioka, Memambetsu, and Kanoya

... the frequency distribution of the H-range, is ...cumulative frequency distribution of the 100 most intense geomagnetic storms shown in ...lower frequency of severe magnetic storms than predicted by ... See full document

6

Artificial drainage of peatlands: hydrological and hydrochemical process and wetland restoration

Artificial drainage of peatlands: hydrological and hydrochemical process and wetland restoration

... ditch spacing would result in a greater effect on water table, increased temporary storage and a subdued runoff response to rainfall with lower flood peaks. Clearly the effects are more complex depending on ... See full document

67

Stability of Confidence Levels for Flood Frequencies Using Additional Data

Stability of Confidence Levels for Flood Frequencies Using Additional Data

... of runoff data to a stream gage (such as considered in the subject study) would result in no change of the flood frequency curve, and it is expected that the confidence levels would change due to the ... See full document

7

Risk Evaluation of Rainstorm and Flood in the Upper Reaches of Hunhe River (Qingyuan Section) Based on the FloodArea Model

Risk Evaluation of Rainstorm and Flood in the Upper Reaches of Hunhe River (Qingyuan Section) Based on the FloodArea Model

... FloodArea flood inundation simulation analysis is carried out on the Qingyuan section of upper Hunhe River, a comprehensive parameter that can reflect the shape irregularity and roughness of the river channel or ... See full document

13

Influences on flood frequency distribution in Irish catchments

Influences on flood frequency distribution in Irish catchments

... the flood risk in many countries (Cunnane, 1989). The Flood Studies Report (NERC, 1975) and more recently, the Irish Flood Studies Update (FSU) (Reed and Martin, 2005) also recommend GEV (type I) ... See full document

9

On the flood peak distributions over China

On the flood peak distributions over China

... (e.g., flood control and water supply). It controls runoff vari- ability in the whole of the Yellow River basin (Si et ...annual flood peak ...a flood peak series in the upper Hai He basin ... See full document

17

A method of flood runoff estimation in an ungauged catchment (Ok Mani) in the highlands of Papua New Guinea : a thesis submitted in partial fulfilment of the requirements for the degree of Master of Arts in Geography at Massey University

A method of flood runoff estimation in an ungauged catchment (Ok Mani) in the highlands of Papua New Guinea : a thesis submitted in partial fulfilment of the requirements for the degree of Master of Arts in Geography at Massey University

... The runoff coefficients for the Rational method were derived from measured flood data on th irty streams with catchment areas ranging from 5 km 2 to 350 km 2 and were related to physical[r] ... See full document

35

Flood Routing Efficiency Assessment: an Approach Using Bivariate Copulas

Flood Routing Efficiency Assessment: an Approach Using Bivariate Copulas

... Although in the past the problem of assessing multivariate joint distribution functions has already been faced by traditional inference techniques, achievable fittings proved to be neither straightforward nor completely ... See full document

9

Multiple runoff processes and multiple thresholds control agricultural runoff generation

Multiple runoff processes and multiple thresholds control agricultural runoff generation

... chosen because they show significant dynamics and we had logged records available. Other sites with loggers had limited dynamics or short records. Site 5 in particular shows a rapid change in behaviour for soil water ... See full document

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