Summer Modeling School
The Summer Modeling School will be an intensive Summer School that will bring current and future ice-sheet scientists together to develop better models for the projection of future sea-level rise (slr). The IPCC Fourth Assessment Report  acknowledged that current models do not adequately treat the dynamic response of ice sheets to climate change, and that this is the largest uncertainty in assessing potential rapid sea-level rise. Recognizing this, an ice-sheet modelling Workshop was held during the July 2008 SCAR/IASC  meeting, in St. Petersburg, Russia. This meeting developed a community strategy on how best to (i) improve the physical understanding of ice-sheet processes responsible for rapid change; (ii) incorporate improved physical understanding into numerical models; (iii) assimilate appropriate data into the models for calibration and validation; and (iv) develop prognostic whole ice-sheet models that better incorporate non-linear ice-sheet response to environmental forcing (such as change in surface mass balance, loss of buttressing from floating ice shelves and ice tongues, and rising sea level).
The two-week Summer School is a first step towards implementing this strategy. It will bring scientists from differing backgrounds together and allow more extensive and in-depth interactions between the relevant scientific research communities. A series of general background lectures as well as discussions of more specialized and advanced topics during this Summer School will provide the foundation for cross-disciplinary research, particularly for early career scientists. We anticipate publication of lecture notes both in hard copy and on a dedicated home page, to provide the glaciological community with an up-to-date overview of the science and observational techniques that will serve to guide further research efforts. Direct beneficiaries will be young researchers; indirect beneficiaries will be coastal zone communities who will gain improved sea level change forecasts to underpin their plans for sustainable development.
The modeling school will be held in Portland, Oregon August 3-14, 2009.
Lectures and Planned Activities
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|Dates||Lecture Topics||Lecturers||Laboratory Topics||Laboratory Instructors|
|4-5 August||Theoretical basis of ice sheet modeling||Kees van der Veen and Nina Kirchner|| Finite differencing and Fortran 95...
computing divergence and gradient... from conservation equation to matrix algebra... rheology and that which makes ice ice... simple, ideal models... that which makes ice-sheet modeling hard...
|Gethin Williams, Ian Rutt, Jesse Johnson|
|6 August||The world of ice shelves and 'distributed stress-field solutions'||Douglas MacAyeal, Todd Dupont and Olga Sergienko||Linear Algebra of ice-sheet modeling, relaxation methods, finite-element methodology, solution of Laplace equation in arbitrary domain, creation of an ice-shelf flow-field model (snap shot of flow field), Models of the Ross Ice Shelf||Olga Sergeinko, Todd Dupont, Doug MacAyeal, Jesse Johnson|
|7 August||Data sets for ice sheet modeling||Slawek Tulaczyk and Ken Jezek||Tools for representing and manipulating data||Gethin Williams, Ian Rutt, Jesse Johnson, Magnus Hagdorn|
|11 August||Quantifying model uncertainty||Charles Jackson and Patrick Heimbach||Uncertainty lab or possibly more on COMSOL?|
|12-13 August||Glimmer, the community ice sheet model||Ian Rutt, Magnus Hagdorn, Stephen Price, Bill Lipscomb, Jesse Johnson||Software development and creating a module for Glimmer.||Ian Rutt, Magnus Hagdorn, Gethin Williams, Stephen Price, Bill Lipscomb, Jesse Johnson|
|14 August||Coupling the Cryosphere to other Earth systems||Bill Lipscomb and Ian Rutt||Community Climate System Model (CCSM) Lab||Bill Lipscomb, Jesse Johnson, Stephen Price and Ian Rutt|
Application and Registration
The window for receipt of student applications has closed. Thank you for your interest in the program.
The registration fee for the course is US $350.
Christina Hulbe, Jesse Johnson, Cornelis van der Veen