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RISThe “Information Divide” in the Climate Sciences
Publisher: American Meteorological Society
Abstract: The gap between the availability of information in developed and developing countries in climate and meteorology is described and detailed. The description is based on a recent survey of scientists around the world. The ...
A New Two-Moment Bulk Stratiform Cloud Microphysics Scheme in the Community Atmosphere Model, Version 3 (CAM3). Part I: Description and Numerical Tests
Publisher: American Meteorological Society
Abstract: A new two-moment stratiform cloud microphysics scheme in a general circulation model is described. Prognostic variables include cloud droplet and cloud ice mass mixing ratios and number concentrations. The scheme treats ...
Direct Diagnoses of Stratosphere–Troposphere Exchange
Publisher: American Meteorological Society
Abstract: This study discusses the direct diagnosis of stratosphere?troposphere exchange. The method introduced by Wei is applied to the Goddard Earth Observation System assimilated dataset. In many respects, the results generally ...
Using A-Train Observations to Evaluate Cloud Occurrence and Radiative Effects in the Community Atmosphere Model during the Southeast Asia Summer Monsoon
Publisher: American Meteorological Society
Abstract: AbstractThe distribution of clouds and their radiative effects in the Community Atmosphere Model, version 5 (CAM5), are compared to A-Train satellite data in Southeast Asia during the summer monsoon. Cloud radiative kernels ...
On the Covariability of Cloud and Rain Water as a Function of Length Scale
Publisher: American Meteorological Society
Abstract: AbstractMicrophysics parameterizations in large-scale models often account for subgrid variability in the calculation of process rates by integrating over assumed subgrid distributions of the input variables. The variances ...
Perturbing Parameters to Understand Cloud Contributions to Climate Change
Publisher: American Meteorological Society
Improvements in Global Climate Model Microphysics Using a Consistent Representation of Ice Particle Properties
Publisher: American Meteorological Society
Abstract: AbstractThis paper describes a new approach for representing ice microphysics in climate models. In contrast with most previous schemes, this approach does not include separate categories for cloud and precipitating ice ...
The Global Distribution of Supersaturation in the Upper Troposphere from the Atmospheric Infrared Sounder
Publisher: American Meteorological Society
Abstract: Satellite data from the Atmospheric Infrared Sounder (AIRS) is analyzed to examine regions of the upper troposphere that are supersaturated: where the relative humidity (RH) is greater than 100%. AIRS data compare well to ...
Arctic Radiative Fluxes: Present-Day Biases and Future Projections in CMIP5 Models
Publisher: American Meteorological Society
Abstract: adiative fluxes are critical for understanding the energy budget of the Arctic region, where the climate has been changing rapidly and is projected to continue to change. This work investigates causes of present-day biases ...
Higher-Order Turbulence Closure and Its Impact on Climate Simulations in the Community Atmosphere Model
Publisher: American Meteorological Society
Abstract: his paper describes climate simulations of the Community Atmosphere Model, version 5 (CAM5), coupled with a higher-order turbulence closure known as Cloud Layers Unified by Binormals (CLUBB). CLUBB is a unified parameterization ...