Search Results - "Olson, Jerry G."

Southeast Pacific Stratocumulus in the Community Atmosphere Model by Medeiros, Brian, Williamson, David L., Hannay, Cécile, Olson, Jerry G.

“…Forecasts of October 2006 are used to investigate southeast Pacific stratocumulus in the Community Atmosphere Model, versions 4 and 5 (CAM4 and CAM5). Both…”
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Aquaplanets, Climate Sensitivity, and Low Clouds by Medeiros, Brian, Stevens, Bjorn, Held, Isaac M., Zhao, Ming, Williamson, David L., Olson, Jerry G., Bretherton, Christopher S.

“…Cloud effects have repeatedly been pointed out as the leading source of uncertainty in projections of future climate, yet clouds remain poorly understood and…”
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Evaluation of Forecasted Southeast Pacific Stratocumulus in the NCAR, GFDL, and ECMWF Models by Hannay, Cécile, Williamson, David L., Hack, James J., Kiehl, Jeffrey T., Olson, Jerry G., Klein, Stephen A., Bretherton, Christopher S., Köhler, Martin

“…Forecasts of southeast Pacific stratocumulus at 20°S and 85°W during the East Pacific Investigation of Climate (EPIC) cruise of October 2001 are examined with…”
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Energy considerations in the Community Atmosphere Model (CAM) by Williamson, David L., Olson, Jerry G., Hannay, Cécile, Toniazzo, Thomas, Taylor, Mark, Yudin, Valery

“…An error in the energy formulation in the Community Atmosphere Model (CAM) is identified and corrected. Ten year AMIP simulations are compared using the…”
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Investigating the Influence of Cloud Radiative Effects on the Extratropical Storm Tracks by Grise, Kevin M., Medeiros, Brian, Benedict, James J., Olson, Jerry G.

“…Recent studies have focused on the role of cloud radiative effects (CRE) in governing the mean atmospheric circulation and its response to climate change. This…”
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Investigating the Role of Cloud‐Radiation Interactions in Subseasonal Tropical Disturbances by Benedict, James J., Medeiros, Brian, Clement, Amy C., Olson, Jerry G.

“…Cloud locking, a method that prescribes cloud properties for radiative tendency calculations, is traditionally used to explore climate feedbacks, but here is…”
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Dependence of aqua‐planet simulations on time step by Williamson, David L., Olson, Jerry G.

“…Aqua‐planet simulations with Eulerian and semi‐Lagrangian dynamical cores coupled to the NCAR CCM3 parametrization suite produce very different zonal average…”
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Reference aquaplanet climate in the Community Atmosphere Model, Version 5 by Medeiros, Brian, Williamson, David L., Olson, Jerry G.

“…Fundamental characteristics of the aquaplanet climate simulated by the Community Atmosphere Model, Version 5.3 (CAM5.3) are presented. The assumptions and…”
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A Comparison of Forecast Errors in CAM2 and CAM3 at the ARM Southern Great Plains Site by Williamson, David L., Olson, Jerry G.

“…The authors compare short forecast errors and the balance of terms in the moisture and temperature prediction equations that lead to those errors for the…”
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EVALUATING PARAMETERIZATIONS IN GENERAL CIRCULATION MODELS: Climate Simulation Meets Weather Prediction by Phillips, Thomas J., Potter, Gerald L., Williamson, David L., Cederwall, Richard T., Boyle, James S., Fiorino, Michael, Hnilo, Justin J., Olson, Jerry G., Xie, Shaocheng, Yio, J. John

“…To significantly improve the simulation of climate by general circulation models (GCMs), systematic errors in representations of relevant processes must first…”
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The Effective Drag Coefficient for Evaluating Wind Stress over the Oceans by Trenberth, Kevin E., Large, William G., Olson, Jerry G.

“…Computations of the surface wind stress and pseudostress over the global oceans have been made using surface winds from the European Centre for Medium Range…”
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Investigating the Influence of Cloud Radiative Effects on the Extratropical Storm Tracks by Grise, Kevin M., Medeiros, Brian, Benedict, James J., Olson, Jerry G.

“…Recent studies have focused on the role of cloud radiative effects (CRE) in governing the mean atmospheric circulation and its response to climate change. This…”
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An Evaluation and Intercomparison of Global Analyses from the National Meteorological Center and the European Centre for Medium Range Weather Forecasts by Trenberth, Kevin E., Olson, Jerry G.

“…In order to help establish a global climate record data sets of global analyses from the U.S. National Meteorological Center (NMC) and the European Centre for…”
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Impact of horizontal resolution on simulation of precipitation extremes in an aqua-planet version of Community Atmospheric Model (CAM3) by Li, Fuyu, Collins, William D., Wehner, Michael F., Williamson, David L., Olson, Jerry G., Algieri, Christopher

“…One key question regarding current climate models is whether the projection of climate extremes converges to a realistic representation as the spatial and…”
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Response of precipitation extremes to idealized global warming in an aqua-planet climate model: towards a robust projection across different horizontal resolutions by Li, Fuyu, Collins, William D., Wehner, Michael F., Williamson, David L., Olson, Jerry G.

“…Current climate models produce quite heterogeneous projections for the responses of precipitation extremes to future climate change. To help understand the…”
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Reference aquaplanet climate in the C ommunity A tmosphere M odel, V ersion 5 by Medeiros, Brian, Williamson, David L., Olson, Jerry G.

“…Abstract Fundamental characteristics of the aquaplanet climate simulated by the Community Atmosphere Model, Version 5.3 (CAM5.3) are presented. The assumptions…”
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Temperature Trends at the South Pole and McMurdo Sound by Trenberth, Kevin E., Olson, Jerry G.

“…A detailed analysis of atmospheric temperatures at the South Pole and McMurdo Sound is presented. Missing data are common, especially in the stratosphere, and…”
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Energy considerations in the C ommunity A tmosphere M odel ( CAM ) by Williamson, David L., Olson, Jerry G., Hannay, Cécile, Toniazzo, Thomas, Taylor, Mark, Yudin, Valery

“…Abstract An error in the energy formulation in the Community Atmosphere Model (CAM) is identified and corrected. Ten year AMIP simulations are compared using…”
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Temperature trends at the South Pole and McMurdo Sound by TRENBERTH, K. E, OLSON, J. G

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