Publication

Set-up and configuraion of an ensemble Kalman filter for an operational flood forecasting system

Giovanni De Cesare
2019
Posters

Abstract

To forecast riverine floods, short-range forecasts are normally provided. In such cases the initial hydrological conditions highly influence the predictability of a flood event. The study evaluates the potential of an ensemble Kalman filter (EnKF) for the operational flood forecasting system in the Upper Rhone River basin. Observed discharge date is used to update the initial conditions of the hydrological model. Past flood events in the Reckingen subbasin are modelled to assess the robustness of the methodology and the quality of flood predictions.

Official source

https://infoscience.epfl.ch/entities/publication/a8c1c4a3-8d0e-4a79-9fae-f2ddc9da12e0

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Giovanni De Cesare
2019
Posters

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/a8c1c4a3-8d0e-4a79-9fae-f2ddc9da12e0

About this result

Related concepts (32)

Flood

A flood is an overflow of water (or rarely other fluids) that submerges land that is usually dry. In the sense of "flowing water", the word may also be applied to the inflow of the tide. Floods are an area of study of the discipline hydrology and are of significant concern in agriculture, civil engineering and public health. Human changes to the environment often increase the intensity and frequency of flooding, for example land use changes such as deforestation and removal of wetlands, changes in waterway course or flood controls such as with levees, and larger environmental issues such as climate change and sea level rise.

Flood control

Flood control (or flood mitigation or flood protection or flood alleviation) methods are used to reduce or prevent the detrimental effects of flood waters. Flood relief methods are used to reduce the effects of flood waters or high water levels. Flooding can be caused by a mix of both natural processes, such as extreme weather upstream, and human changes to waterbodies and runoff. A distinction is made between structural and non-structural flood control measures.

100-year flood

A 100-year flood is a flood event that has on average a 1 in 100 chance (1% probability) of being equaled or exceeded in any given year. The 100-year flood is also referred to as the 1% flood. For coastal or lake flooding, the 100-year flood is generally expressed as a flood elevation or depth, and may include wave effects. For river systems, the 100-year flood is generally expressed as a flowrate. Based on the expected 100-year flood flow rate, the flood water level can be mapped as an area of inundation.