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Top Rated

  1. Various components of climate models, as covered at CESM summer school

    21 Dec 2015 | Presentations | Contributor(s): Colin James Grudzien

    Earth Systems Models Focus Group talk on Thursday, October 24th, 5:00pm EDT 

  2. Early warning indicators for transitions in high-dimensional dynamical systems

    17 Jan 2016 | Presentations | Contributor(s): Henk Dijkstra

    Two examples are presented.  1. Networks: The Atlantic Meridional Overturning (MOC), and 2. Transfer operators: Midlatitue Atmospheric Flow Transitions

  3. Topics from Biogeochemistry - Webinar, January 11, 2016

    20 Jan 2016 | Presentations | Contributor(s): Hans G Kaper

     In this talk I give some examples of mathematical problems in biogeochemistry.  The talk is based on Chapter 18 of "Mathematics & Climate" by Hans Kaper and Hans Engler, OT131, SIAM, Philadelphia,...

  4. NBRIT Webinar 1/19/16: Peter Ashwin presents on Tipping Points for Parameter Shifts

    20 Jan 2016 | Presentations | Contributor(s): Peter Ashwin

    Abstract: It seems that a mathematical definition for tipping points or critical transitions in general may be very difficult owing to the wide range of phenomena that are usefully classified as tipping points. However in some contexts a definition that goes beyond classical bifurcations may be...

  5. An application of Lagrangian data assimilation to Katama Bay, MA

    02 Feb 2016 | Presentations | Contributor(s): Laura Slivinski

    Data assimilation is the process of combining predictions from numerical models with observations of the system. Fully Lagrangian data assimilation seeks to directly assimilate trajectories from drifters into some circulation model. This talk will provide a brief overview of Lagrangian data...

  6. A broadly applicable method for the identification of bifurcations in complex, multi-parameter dynamical systems

    16 Jun 2015 | Presentations | Contributor(s): Daniel K Wells, Adilson Motter, William L Kath

    Traditional numerical bifurcation methods seek to identify and classify solutions in systems with small numbers of parameters. These methods have become canonical tools in determining how solutions of dynamical systems depend upon parameters. Of particular interest are bifurcation points, which...

  7. Who, or what, will tip the big climate models?

    18 Jun 2015 | Presentations | Contributor(s): Christopher KRT Jones

  8. Extending the square root method to account for model noise in the ensemble Kalman filter

    25 Feb 2015 | Presentations | Contributor(s): Patrick Raanes

    Presented by Patrick Raanes on 2-18-2015 Abstract:A novel approach to account for model noise in the forecast step of the Ensemble Kalman filter (EnKF) is proposed.  The core method is based on the approach of the analysis step of ensemble square root filters (ETKF), and...

  9. Complex networks: a useful tool to detect climate transitions?

    18 Jun 2015 | Presentations | Contributor(s): Henk Dijkstra

  10. Local and non-local mechanisms of Arctic warming

    25 Feb 2016 | Presentations | Contributor(s): Vladimir Alexeev

    Polar amplification (PA) is a prominent feature of currently observed and predicted future climate change suggested by both observations and models. We will discuss several PA mechanisms and feedbacks in the ocean and the atmosphere suggested by different researchers and connect it to the real...