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The meeting "Statistical modeling of extremes in data assimilation and filtering approaches" will be held in IRMA from June 23 to June 26, 2008.

The scope of this inter-disciplinary meeting (statistics and geosciences) is to foster new research perspectives between atmospheric scientists and applied mathematicians around one important geophysical research topic : data assimilation of extreme events. Mathematically, the class of models used in data assimilation corresponds to a state-space formulation in which the state equation drives the dynamics of the system and the observational equation integrates measurements with the state variables. Our two-day lecture and two-day workshop aim at taking advantage of recent developments in the field of Extreme Value Theory within a state-space modeling and filtering framework.

Organizing committee (ANR AssimilEx) :

  • Armelle Guillou (IRMA) et Anne-laure Fougères (MODAL'X)
  • Frédéric Chevallier et Philippe naveau (LSCE)

More information on this meeting can be found on this web page

  • Lundi 23 juin 2008

  • 13:30 - 15:00

    Richard Davis, Columbia University

    Extreme Value Theory in Times series analysis

  • 15:00 - 15:30

    Coffee break
  • 15:30 - 17:00

    Olivier Cappé, Telecom, ParisTech

    An Introduction to Sequential Monte Carlo for Filtering and Smoothing

  • 17:00 - 17:15

    Break
  • 17:15 - 18:15

    Frédéric Chevallier, Laboratoire des Sciences du Climat et de l’Environnement

    Data assimilation for large state vectors

  • Mardi 24 juin 2008

  • 09:00 - 10:30

    Richard Davis, Columbia University

    Spatial Models with Applications in Computer Experiments

  • 10:30 - 11:00

    Coffee break
  • 11:00 - 12:30

    Olivier Cappé, Telecom, ParisTech

    An Introduction to Sequential Monte Carlo for Filtering and Smoothing

  • 12:30 - 14:00

    Lunch
  • 14:00 - 15:30

    Anne-Laure Faugères, MODAL’X, Nanterre

    Extreme Value Theory for multivariate data

  • 15:30 - 16:00

    Coffee break
  • 16:00 - 17:30

    Frédéric Chevallier, Laboratoire des Sciences du Climat et de l’Environnement

    Data assimilation for large state vectors

  • Mercredi 25 juin 2008

  • 09:00 - 09:40

    Marc Bocquet, CEREA, joint laboratory ENPC/EDF R&D Université Paris-Est and INRIA

    Singular behaviours in air quality data assimilation and network design

  • 09:40 - 10:05

    Maximilian Werner, ETHZ

    Earthquake Forecasting Based on Data Assimilaiton

  • 10:05 - 10:30

    Gwladys Toulemonde, Université Paris VI, France

    Auto-Regressive models for maxima with applications to atmospheric chemistry

  • 10:30 - 11:00

    Coffee break
  • 11:00 - 11:40

    Eric Blayo, University of Grenoble and INRIA

    Some tools for ”focusing" variational data assimilation in ocean modelling

  • 11:40 - 12:05

    Julie Carreau, Laboratoire des Sciences du Climat et de l’Environnement

    Statistical rainfall-runoff models based on a mixture with heavy-tailed components

  • 12:05 - 12:30

    Mehdi Gholam-Rezaee, Ecole Polytechnique Fédérale de Lausanne

    Spatial modeling of climate extremes: A composite likelihood approach

  • 12:30 - 14:00

    Lunch
  • 14:00 - 14:40

    Hans Wackernagel, Ecole des Mines de ParisFrance

    Extremes and data assimilation in epidemiology

  • 14:40 - 15:05

    L. De Montera, Centre d’étude des Environnements Terrestres et Planétaires, Vélizy-Villacoublay, France

    The effect of the on-off intermittency on rain multifractal parameters

  • 15:05 - 15:30

    Maria Süveges, Ecole Polytechnique Fédérale de Lausanne, Suisse

    A Dirichlet mixture approach to the estimation of clusters of extreme events

  • 15:30 - 16:00

    Coffee break
  • 16:00 - 16:40

    Gérald Desroziers, Météo France

    Data assimilation schemes in numerical weather forecasting and their link with ensemble forecasting

  • 16:40 - 17:05

    Pierre Ribereau, Université de Montpellier II, France

    Generalized Probability Weighted Moments for the Generalized Extreme Value Distribution

  • 17:05 - 17:45

    Dan Cooley, Colorado State University

    Spatial Hierarchical Modeling of Weather Extremes from a Regional Climate Model

  • Jeudi 26 juin 2008

  • 08:45 - 09:25

    Eric Parent, Laboratoire de Modélisation, Risque, Statistique, Environnement, France

    Engineering applications of POT, GEV and compound Poisson models : a unified approach via Bayesian thinking

  • 09:25 - 09:50

    Ana Ferreira, Instituto Superior de Agronomia, da Universidade Técnica de Lisboa

    Extremal index and Markov chains

  • 09:50 - 10:15

    Esterina Masiello, Modal’X, Université Paris Ouest-Nanterre

    Estimating a discrete spectral measure

  • 10:15 - 10:40

    Pavlina Kalcheva Jordanova, Faculty of Mathematics and InformaticsBulgaria

    Functional transfer theorems for maxima moving average with subexponential noise

  • 10:40 - 11:10

    Coffee break
  • 11:10 - 11:50

    Christian Lantuéjoul, Ecole des Mines de Paris, France

    Max-stable random fields and stochastic geometry

  • 11:50 - 12:15

    Thomas Meinguet, Université catholique de Louvain, Institut de statistique, Belgique

    Regularly varying time series of random fields

  • 12:15 - 12:40

    Juliette Blanchet, SLF Davos Switzerland

    Spatial distribution of extreme snowfall in Switzerland

  • 12:45 - 14:00

    Lunch