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  1. Hybrid EnKF and Particle Filter: Langrangian DA and Parameter Estimation

    02 Jun 2016

    This is a talk delivered at the Imperial College meeting on Stochastic Modeling in GFD, Data Assimilation and Non-equilibrium Phenomena on 11-4-2015.  This talk presents joint research by Chris Jones at UNC-CH and Naratip Santitissandeekorn on hybrid data assimilation methods.

  2. A Tutorial on Kalman Filters

    01 Jun 2016

    This is an introduction to the Kalman filter, explaining some underlying assumptions, use and extensions of the method.This talk was given on 10-7-2015.

  3. Data assimilation for extreme ionospheric events: observing system experiments of the September 26, 2011 geomagnetic storm

    14 Apr 2016 | Presentations

    As increasingly sophisticated ground- and space-based technological systems that depend on the near-Earth space environment are being built, vulnerabilities to variations in the ionosphere are also increasing. These vulnerabilities are especially prominent during extreme space-weather events,...

  4. Hybrid EnKF and Particle Filter: Lagrangian DA and Parameter Estimation

    06 Nov 2015 | Presentations

    Dealing with high dimensional systems is one of the central problems of data assimilation.  A strategy is proposed here for systems that enjoys a skew-product structure.   Christopher Jones, University of North Carolina at Chapel Hill, presents joint work with Naratip...

  5. Mathematics and Climate Research Network - An Example of a Successful Community-Building Eff ort

    19 Oct 2015 | Presentations | Contributor(s): Colin James Grudzien

    Slides Hans Kaper prepared for a talk on October 1, 2015, titled "The Mathematics and Climate Research Network (MCRN) - An Example of a Successful Community-Building Effort."  It was part of the MPE 2013+ Workshop on Education for the Planet Earth of Tomorrow, September...

  6. OptIC project: An intercomparison of optimization techniques for parameter estimation in terrestrial biogeochemical models

    20 Sep 2015 | Educational Materials

    A comparison of different optimization techniques for parameter estimation for a very simple ecosystem model (2 ODEs).

  7. The REFLEX project: Comparing different algorithms and implementations for the inversion of a terrestrial ecosystem model against eddy covariance data

    20 Sep 2015 | Educational Materials

    A comparison of parameter estimation techniques for a simplified ecosystem model.  A follow-on to the OpTIC study with a more complex model (DALEC).

  8. Midwest Mathematics and Climate Conference - Day 2 Morning Session

    12 May 2015 | Presentations

    Juan Restrepo, Oregon State UniversityData AssimilationAccounting for uncertainties has led us to alter our expectations of what is predictable and how such predictions compare to nature. A significant effort, in recent years, has been placed on creating new uncertainty quantification techniques,...

  9. Midwest Mathematics and Climate Conference

    12 May 2015 | Workshops

    The conference is sponsored by the National Science Foundation, Institute of Mathematics and Its Applications, the Office of Research,College of Liberal Arts and Sciences, and the Department of Mathematics, Department of Geography/Atmospheric Science Program, and The...

  10. Midwest Mathematics and Climate Conference - Day 1 Afternoon Session

    12 May 2015 | Presentations

    Graham Feingold, National Oceanic & Atmospheric AdministratonDynamical System Analogues to Cloud SystemsShallow convection exhibits fascinating cellular structures at scales of a few to several hundred kilometers. Configurations of relatively cloud free open cell states, or much cloudier...

  11. Introduction to the Mathematics of Climate at UMN - Lecture 23

    12 May 2015 | Presentations | Contributor(s): Colin James Grudzien

    This is lecture 23 in the series "Introduction to the Mathematics of Climate" offered at the University of Minnesota in 2014 with the support of MCRN and The Institute for Mathematics and its Applications.

  12. Introduction to the Mathematics of Climate at UMN - Lecture 22

    12 May 2015 | Presentations | Contributor(s): Colin James Grudzien

    This is lecture 22 in the series "Introduction to the Mathematics of Climate" offered at the University of Minnesota in 2014 with the support of MCRN and The Institute for Mathematics and its Applications.  

  13. Introduction to the Mathematics of Climate at UMN - Lecture 21

    12 May 2015 | Presentations | Contributor(s): Colin James Grudzien

    This is lecture 21 in the series "Introduction to the Mathematics of Climate" offered at the University of Minnesota in 2014 with the support of MCRN and The Institute for Mathematics and its Applications.  

  14. Introduction to the Mathematics of Climate at UMN - Lecture 20

    12 May 2015 | Presentations | Contributor(s): Colin James Grudzien

    This is lecture 20 in the series "Introduction to the Mathematics of Climate" offered at the University of Minnesota in 2014 with the support of MCRN and The Institute for Mathematics and its Applications.

  15. Introduction to the Mathematics of Climate at UMN - Lecture 19

    12 May 2015 | Presentations | Contributor(s): Colin James Grudzien

    This is lecture 19 in the series "Introduction to the Mathematics of Climate" offered at the University of Minnesota in 2014 with the support of MCRN and The Institute for Mathematics and its Applications.

  16. Introduction to the Mathematics of Climate at UMN - Lecture 18

    12 May 2015 | Presentations | Contributor(s): Colin James Grudzien

    This is lecture 18 in the series "Introduction to the Mathematics of Climate" offered at the University of Minnesota in 2014 with the support of MCRN and The Institute for Mathematics and its Applications.

  17. Introduction to the Mathematics of Climate at UMN - Lecture 18

    12 May 2015 | Presentations

    This is lecture 18 in the series "Introduction to the Mathematics of Climate" offered at the University of Minnesota in 2014 with the support of MCRN and The Institute for Mathematics and its Applications.

  18. Introduction to the Mathematics of Climate at UMN - Lecture 17

    12 May 2015 | Presentations | Contributor(s): Colin James Grudzien

    This is lecture 17 in the series "Introduction to the Mathematics of Climate" offered at the University of Minnesota in 2014 with the support of MCRN and The Institute for Mathematics and its Applications.

  19. Introduction to the Mathematics of Climate at UMN - Lecture 16

    12 May 2015 | Presentations | Contributor(s): Colin James Grudzien

    This is lecture 16 in the series "Introduction to the Mathematics of Climate" offered at the University of Minnesota in 2014 with the support of MCRN and The Institute for Mathematics and its Applications.

  20. Introduction to the Mathematics of Climate at UMN - Lecture 15

    12 May 2015 | Presentations | Contributor(s): Colin James Grudzien

    This is lecture 15 in the series "Introduction to the Mathematics of Climate" offered at the University of Minnesota in 2014 with the support of MCRN and The Institute for Mathematics and its Applications.