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RISSpringtime Soil Moisture, Natural Climatic Variability, and North American Drought as Simulated by the NCAR Community Climate Model 1
Publisher: American Meteorological Society
Abstract: Previous results concerning the role that summertime soil moisture reductions can play in amplifying or maintaining North American droughts are extended to include the role of springtime soil moisture reductions and the ...
A 100-Yr CCM1 Simulation of North China's Hydrologic Cycle
Publisher: American Meteorological Society
Abstract: The year to year variability in North China's summertime hydrologic cycle is analyzed in a 100-yr CCM1 simulation. Eastern North America is included for comparative purposes with earlier work. On the basis of the simulated ...
The Simulation of Moisture Processes in Climate Models and Climate Sensitivity
Publisher: American Meteorological Society
Abstract: General circulation models (GCMs) designed for projecting climatic change have exhibited a wide range of sensitivity. Therefore, projected surface warming with increasing CO2 varies considerably depending on which model ...
Soil Moisture and the Persistence of North American Drought
Publisher: American Meteorological Society
Abstract: We describe numerical sensitivity experiments exploring the effects of soil moisture on North American summertime climate using the NCAR CCMI, a 12-layer global atmospheric general circulation model. In particular. the ...
Variations in North American Summer Precipitation Driven by the Atlantic Multidecadal Oscillation
Publisher: American Meteorological Society
Abstract: nderstanding the development and variation of the atmospheric circulation regimes driven by the Atlantic multidecadal oscillation (AMO) is essential because these circulations interact with other forcings on decadal and ...
The Predictability of Winter Snow Cover over the Western United States
Publisher: American Meteorological Society
Abstract: A set of model runs was made with the National Center for Atmospheric Research (NCAR) Community Climate Model, version 3 (CCM3) to investigate and help assess the relative roles of snow cover anomalies and initial atmospheric ...
Atmospheric Response to Modified CLIMAP Ocean Boundary Conditions during the Last Glacial Maximum
Publisher: American Meteorological Society
Abstract: Global climate simulations are conducted to examine the sensitivity of the Last Glacial Maximum (LGM) climate to prescribed sea surface temperatures (SSTs) that are modified from the Climate: Long-range Investigation, ...
The Influence of Ocean Thermocline Temperatures on the Earth’s Surface Climate
Publisher: American Meteorological Society
Abstract: A coupled mixed layer?atmospheric general circulation model has been used to evaluate the impact of ocean thermocline temperatures (and by proxy those of the deep ocean) on the surface climate of the earth. Particular ...
A One-Dimensional Mixed Layer Ocean Model for Use in Three-Dimensional Climate Simulations: Control Simulation Compared to Observations
Publisher: American Meteorological Society
Abstract: A study has been made of the dynamic interactions between the surface layer of the ocean and the atmosphere using a climate model that contains a new approach to predicting the sea surface temperature (SST). The atmospheric ...
Using Clustered Climate Regimes to Analyze and Compare Predictions from Fully Coupled General Circulation Models
Publisher: American Meteorological Society
Abstract: Changes in Earth?s climate in response to atmospheric greenhouse gas buildup impact the health of terrestrial ecosystems and the hydrologic cycle. The environmental conditions influential to plant and animal life are often ...