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RISRole of Fire in the Global Land Water Budget during the Twentieth Century due to Changing Ecosystems
Publisher: American Meteorological Society
Abstract: AbstractFire is a global phenomenon and the primary form of terrestrial ecosystem disturbance on a global scale. It is tightly coupled with climate, ecosystems, carbon and water cycles, and human activities. Through biomass ...
Diagnosing Present and Future Permafrost from Climate Models
Publisher: American Meteorological Society
Abstract: ermafrost is a characteristic aspect of the terrestrial Arctic and the fate of near-surface permafrost over the next century is likely to exert strong controls on Arctic hydrology and biogeochemistry. Using output from the ...
The Boreal Summer Intraseasonal Oscillation: Relationship between Northward and Eastward Movement of Convection
Publisher: American Meteorological Society
Abstract: The summertime intraseasonal oscillation (ISO) is an important component of the south Asian monsoon. Lagged regressions of intraseasonally filtered (25?80 days) outgoing longwave radiation (OLR) reveal that centers of ...
Weak Land–Atmosphere Coupling Strength in HadAM3: The Role of Soil Moisture Variability
Publisher: American Meteorological Society
Abstract: A recent model intercomparison, the Global Land?Atmosphere Coupling Experiment (GLACE), showed that there is a wide range of land?atmosphere coupling strengths, or the degree that soil moisture affects the generation of ...
Interannual Variations of the Intraseasonal Oscillation in the South Asian Summer Monsoon Region
Publisher: American Meteorological Society
Abstract: It is noted that the behavior of the intraseasonal oscillation (ISO) of the south Asian monsoon varies from year to year. An index representing seasonally averaged ISO activity is developed using outgoing longwave radiation ...
Sensitivities of Land Cover–Precipitation Feedback to Convective Triggering
Publisher: American Meteorological Society
Abstract: AbstractThe land surface state can be an important factor in the triggering of precipitation, whose depiction in Earth system models (ESMs) crucially relies on the representation of convective initiation. However, the ...
Examining the Interaction of Growing Crops with Local Climate Using a Coupled Crop–Climate Model
Publisher: American Meteorological Society
Abstract: This paper examines to what extent crops and their environment should be viewed as a coupled system. Crop impact assessments currently use climate model output offline to drive process-based crop models. However, in regions ...
The Atmospheric Response to Projected Terrestrial Snow Changes in the Late Twenty-First Century
Publisher: American Meteorological Society
Abstract: Two atmospheric general circulation model experiments are conducted with specified terrestrial snow conditions representative of 1980?99 and 2080?99. The snow states are obtained from twentieth-century and twenty-first-century ...
The Seasonal Atmospheric Response to Projected Arctic Sea Ice Loss in the Late Twenty-First Century
Publisher: American Meteorological Society
Abstract: The authors investigate the atmospheric response to projected Arctic sea ice loss at the end of the twenty-first century using an atmospheric general circulation model (GCM) coupled to a land surface model. The response ...
Simulation of Present-Day and Future Permafrost and Seasonally Frozen Ground Conditions in CCSM4
Publisher: American Meteorological Society
Abstract: he representation of permafrost and seasonally frozen ground and their projected twenty-first century trends is assessed in the Community Climate System Model, version 4 (CCSM4) and the Community Land Model version 4 (CLM4). ...