
Introduction to the Mathematics of Climate at UMN  Lecture 9
12 May 2015  Presentations  Contributor(s): Colin James Grudzien
This is lecture 9 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.

Mathematics and Climate Research Network  An Example of a Successful CommunityBuilding Effort
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 CommunityBuilding Effort." It was part of the MPE 2013+ Workshop on Education for the Planet Earth of Tomorrow, September...

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...

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...

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,...

NSF's Science Nation Video on David Holland's field work in Greenland
18 Mar 2015  Presentations
MCRN member and founding principal investigator David Holland was featured in the NSF's Science Nation video, titled, "Mathematician uses skills to study Greenland's retreating glaciers," on September 9,...

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).

Particle filters for geophysical applications
30 Apr 2015  Presentations
Avoiding degeneracy is a crucial challenge for particle filters. Results have shown that the number of particles scales exponentially with respect to the number of independent observations. In this talk I will review attempts to counteract this phenomenon by exploiting proposal densities. I will...

Realistic modeling and analysis of synchronization dynamics in powergrid networks
08 May 2015  Presentations
An imperative condition for the functioning of a powergrid network is that its power generators remain synchronized. Disturbances can prompt desynchronization, which is a process that has been involved in large power outages. In this talk I will first give a comparative review of three leading...

Statistical Data Assimilation For Parameter Estimation In Costal Ocean Hydrodynamics Modeling
30 Apr 2015  Presentations
Coastal ocean models are used for a variety of applications, including modeling tides and hurricane storm surge. These models numerically solve the shallow water equations, which are derived by depth integrating the NavierStokes equations. The inherent uncertainties in coastal ocean models are a...

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 followon to the OpTIC study with a more complex model (DALEC).

Toward a hybrid particleensemble Kalman filter for assimilating data from Lagrangian instruments into high dimensional models
30 Apr 2015  Presentations
Presented by Elaine Spiller on 32615Abstract:We discuss a recently proposed hybrid particleensemble Kalman filter for assimilating Lagrangian data, and apply it to a highdimensional quasigeostrophic ocean model. Effectively the hybrid filter applies a particle filter to the highly nonlinear,...