CyberinfraV1, Main, Exploration, bibRecord, 000634

Grid technology reliability for flash flood forecasting: end-user assessment

Identifieur interne : 000634 ( Main/Exploration ); précédent : 000633; suivant : 000635

Grid technology reliability for flash flood forecasting: end-user assessment

Auteurs : Vincent Thierion [France] ; Pierre-Alain Ayral [France] ; Jacob Geisel [France] ; Sophie Sauvagnargues [France] ; Olivier Payrastre [France]

Source :

Journal of Grid Computing [ 1570-7873 ] ; 2011-01-10.

RBID : Hal:hal-00654052

English descriptors

mix :
- Flash flood, France-grille, decision making, flood forecasting service, forecasting model, gLite middleware, grid technology.

Abstract

The flash flood forecasting is one of the most important challenges for research in hydrology. The anticipation of extreme hydrological scenarios through rainfall-runoff models is still limited, mainly because of the high uncertainty of rainfall forecasts and of limited computing resources. The authors propose to simulate an ensemble of potential hydrological scenarios in order to support the forecaster's decision-making process. The developed applicative layer takes advantage of the computing capabilities of grid technology, significantly enhancing the management of independent modelling operations in an operational lead time. A set of experimentations is deployed in order to firstly assess efficiency of this applicative layer and secondly to gauge more broadly the potentialities of grid to handle flood crisis management operations. Finally, in managing more than one hundred hydrological simulations simultaneously, this experimental platform opens new perspectives for the improvement of hydrological forecast modelling, limited until now by recurrent lack of computing resources.

Url:

https://hal.archives-ouvertes.fr/hal-00654052

DOI: 10.1007/s10723-010-9173-9

Affiliations:

France

Links toward previous steps (curation, corpus...)

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to stream Hal, to step Curation: 000006
to stream Hal, to step Checkpoint: 000008
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to stream Main, to step Curation: 000634

Le document en format XML

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<front><div type="abstract" xml:lang="en">The flash flood forecasting is one of the most important challenges for research in hydrology. The anticipation of extreme hydrological scenarios through rainfall-runoff models is still limited, mainly because of the high uncertainty of rainfall forecasts and of limited computing resources. The authors propose to simulate an ensemble of potential hydrological scenarios in order to support the forecaster's decision-making process. The developed applicative layer takes advantage of the computing capabilities of grid technology, significantly enhancing the management of independent modelling operations in an operational lead time. A set of experimentations is deployed in order to firstly assess efficiency of this applicative layer and secondly to gauge more broadly the potentialities of grid to handle flood crisis management operations. Finally, in managing more than one hundred hydrological simulations simultaneously, this experimental platform opens new perspectives for the improvement of hydrological forecast modelling, limited until now by recurrent lack of computing resources.</div>
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Grid technology reliability for flash flood forecasting: end-user assessment

Grid technology reliability for flash flood forecasting: end-user assessment

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri