Browsing Joint Program on the Science and Policy of Global Change Reports by Author "Scott, Jeffery."
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Estimating Probability Distributions from Complex Models with Bifurcations: The Case of Ocean Circulation Collapse
Webster, Mort David.; Scott, Jeffery.; Sokolov, Andrei P.; Stone, Peter H. (MIT Joint Program on the Science and Policy of Global Change, 2006-03)Studying the uncertainty in computationally expensive models has required the development of specialized methods, including alternative sampling techniques and response surface approaches. However, existing techniques for ... -
Evaluating the Use of Ocean Models of Different Complexity in Climate Change Studies
Sokolov, Andrei P.; Dutkiewicz, Stephanie.; Stone, Peter H.; Scott, Jeffery. (MIT Joint Program on the Science and Policy of Global Change, 2005-11)The study of the uncertainties in future climate projections requires large ensembles of simulations with different values of model characteristics that define its response to external forcing. These characteristic include ... -
MIT Integrated Global System Model (IGSM) Version 2: Model Description and Baseline Evaluation
Sokolov, Andrei P.; Schlosser, C. Adam.; Dutkiewicz, Stephanie.; Paltsev, Sergey.; Kicklighter, David W.; e.a. (MIT Joint Program on the Science and Policy of Global Change, 2005-07)The MIT Integrated Global System Model (IGSM) is designed for analyzing the global environmental changes that may result from anthropogenic causes, quantifying the uncertainties associated with the projected changes, and ... -
Sensitivity of Climate to Diapycnal Diffusivity: Part I. Equilibrium State; Part II. Global Warming Scenario
Dalan, Fabio.; Stone, Peter H.; Kamenkovich, Igor V.; Scott, Jeffery.; Sokolov, Andrei P. (MIT Joint Program on the Science and Policy of Global Change, 2004-05)Part I: The diapycnal diffusivity in the ocean is one of the least known parameters in current climate models. Measurements of this diffusivity are sparse and insufficient for compiling a global map. Inferences from inverse ... -
A Three-Dimensional Ocean-Seaice-Carbon Cycle Model and its Coupling to a Two-Dimensional Atmospheric Model: Uses in Climate Change Studies
Dutkiewicz, Stephanie.; Sokolov, Andrei P.; Scott, Jeffery.; Stone, Peter H. (MIT Joint Program on the Science and Policy of Global Change, 2005-05)We describe the coupling of a three-dimensional ocean circulation model, with explicit thermodynamic seaice and ocean carbon cycle representations, to a two-dimensional atmospheric/land model. This coupled system has been ...