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RISThe Response of the Tropical Atlantic and West African Climate to Saharan Dust in a Fully Coupled GCM
Publisher: American Meteorological Society
Abstract: his study examines the climate response in West Africa and the tropical Atlantic to an idealized aerosol radiative forcing from Saharan mineral dust, comparable to the observed changes between the 1960s and 1990s, using ...
Radiative Forcing of Saharan Dust: GOCART Model Simulations Compared with ERBE Data
Publisher: American Meteorological Society
Abstract: This study uses information on Saharan aerosol from a dust transport model to calculate radiative forcing values. The transport model is driven by assimilated meteorological fields from the Goddard Earth Observing System ...
A Long-Term Record of Aerosol Optical Depth from TOMS Observations and Comparison to AERONET Measurements
Publisher: American Meteorological Society
Abstract: Observations of backscattered near-ultraviolet radiation from the Total Ozone Mapping Spectrometer (TOMS) on board the Nimbus-7 (1979?92) and the Earth Probe (mid-1996 to present) satellites have been used to derive a ...
Multivariate Probability Density Functions with Dynamics in the GFDL Atmospheric General Circulation Model: Global Tests
Publisher: American Meteorological Society
Abstract: unified turbulence and cloud parameterization based on multivariate probability density functions (PDFs) has been incorporated into the GFDL atmospheric general circulation model (AM3). This PDF-based parameterization not ...
Modeling the Interactions between Aerosols and Liquid Water Clouds with a Self-Consistent Cloud Scheme in a General Circulation Model
Publisher: American Meteorological Society
Abstract: To model aerosol?cloud interactions in general circulation models (GCMs), a prognostic cloud scheme of cloud liquid water and amount is expanded to include droplet number concentration (Nd) in a way that allows them to be ...
Increased Risk of the 2019 Alaskan July Fires due to Anthropogenic Activity
Publisher: American Meteorological Society
Direct Insertion of MODIS Radiances in a Global Aerosol Transport Model
Publisher: American Meteorological Society
Abstract: In this paper results are presented from a simple offline assimilation system that uses radiances from the Moderate Resolution Imaging Spectroradiometer (MODIS) channels that sense atmospheric aerosols over land and ocean. ...
Tropospheric Aerosol Optical Thickness from the GOCART Model and Comparisons with Satellite and Sun Photometer Measurements
Publisher: American Meteorological Society
Abstract: The Georgia Institute of Technology?Goddard Global Ozone Chemistry Aerosol Radiation and Transport (GOCART) model is used to simulate the aerosol optical thickness τ for major types of tropospheric aerosols including ...
A Comparison of Model- and Satellite-Derived Aerosol Optical Depth and Reflectivity
Publisher: American Meteorological Society
Abstract: The determination of an accurate quantitative understanding of the role of tropospheric aerosols in the earth's radiation budget is extremely important because forcing by anthropogenic aerosols presently represents one of ...
GFDL's CM2 Global Coupled Climate Models. Part I: Formulation and Simulation Characteristics
Publisher: American Meteorological Society
Abstract: The formulation and simulation characteristics of two new global coupled climate models developed at NOAA's Geophysical Fluid Dynamics Laboratory (GFDL) are described. The models were designed to simulate atmospheric and ...