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Modeling Ultraviolet Radiation at the Earth's Surface. Part I: The Sensitivity of Ultraviolet Irradiances to Atmospheric Changes
Publisher: American Meteorological Society
Abstract: A discrete-ordinate radiative transfer model is employed for the prediction of surface UV irradiances. A wide-ranging sensitivity study is undertaken to show how changes to the model input parameters aged UV irradiances ...
An Empirical Study of Geographic and Seasonal Variations in Diurnal Temperature Range
Publisher: American Meteorological Society
Abstract: The diurnal temperature range (DTR) of surface air over land varies geographically and seasonally. The authors have investigated these variations using generalized additive models (GAMs), a nonlinear regression methodology. ...
The Climate Sensitivity and Its Components Diagnosed from Earth Radiation Budget Data
Publisher: American Meteorological Society
Abstract: One of the major uncertainties in the ability to predict future climate change, and hence its impacts, is the lack of knowledge of the earth?s climate sensitivity. Here, data are combined from the 1985?96 Earth Radiation ...
Climate Forcings and Climate Sensitivities Diagnosed from Coupled Climate Model Integrations
Publisher: American Meteorological Society
Abstract: A simple technique is proposed for calculating global mean climate forcing from transient integrations of coupled atmosphere?ocean general circulation models (AOGCMs). This ?climate forcing? differs from the conventionally ...
The Extratropical Tropopause Inversion Layer: Global Observations with GPS Data, and a Radiative Forcing Mechanism
Publisher: American Meteorological Society
Abstract: Global characteristics of the extratropical tropopause inversion layer identified in radiosonde observations by Birner are studied using high vertical resolution temperature profiles from GPS radio occultation measurements. ...
A Surface Energy Perspective on Climate Change
Publisher: American Meteorological Society
Abstract: A surface forcing response framework is developed that enables an understanding of time-dependent climate change from a surface energy perspective. The framework allows the separation of fast responses that are unassociated ...
On the Role of Radiative Processes in Stratosphere–Troposphere Coupling
Publisher: American Meteorological Society
Abstract: Climate change in the Southern Hemisphere (SH) polar stratosphere is associated with substantial changes in the atmospheric circulation that extend to the earth?s surface. The mechanisms that drive the changes in the SH ...
Issues and Uncertainties Affecting Metrics for Aviation Impacts on Climate
Publisher: American Meteorological Society
Abstract: Metrics such as radiative forcing and global warming potential have proven to be useful tools in climate policy?related studies, including evaluation of the effects of aviation on climate, to relate different emissions to ...
Spatial Patterns of Modeled Climate Feedback and Contributions to Temperature Response and Polar Amplification
Publisher: American Meteorological Society
Abstract: patial patterns of local climate feedback and equilibrium partial temperature responses are produced from eight general circulation models with slab oceans forced by doubling carbon dioxide (CO2). The analysis is extended ...
Contrail Microphysics
Publisher: American Meteorological Society
Abstract: This article reviews the current state of understanding of the science of contrails: 1) how they are formed, 2) their microphysical properties as they evolve into contrail cirrus and whether their microphysical properties ...
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