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RISClimatic Consequences of a Large-Scale Desertification in Northeast Brazil: A GCM Simulation Study
Publisher: American Meteorological Society
Abstract: The climatic impacts of a large-scale desertification in northeast Brazil (NEB) are assessed by using the Center for Weather Forecasting and Climate Studies?Center for Ocean?Land?Atmosphere Studies (CPTEC?COLA) AGCM. Two ...
Amazonian Deforestation and Regional Climate Change
Publisher: American Meteorological Society
Abstract: Large-scale conversion of tropical forests into pastures or annual crops could lead to changes in the climate. We have used a coupled numerical model of the global atmosphere and biosphere (Center for Ocean-Land- Atmosphere ...
Cold Surges in Tropical and Extratropical South America: The Strong Event in June 1994
Publisher: American Meteorological Society
Abstract: The authors investigate one case of surges of polar air that occasionally propagate into southeastern Brazil during wintertime and are harmful to coffee production because of the freezing conditions associated with them. ...
Monitoring and Prediction of the Earth’s Climate: A Future Perspective
Publisher: American Meteorological Society
Abstract: The climate is changing because of human activities and will continue to do so regardless of any mitigation actions. Available climate observations and information are also changing as technological advances take place. ...
Climatic Impacts of “Friagens” in Forested and Deforested Areas of the Amazon Basin
Publisher: American Meteorological Society
Abstract: Meteorological observations from the Anglo?Brazilian Amazonian Climate Observation Study (ABRACOS), together with the global reanalysis from the National Center for Environmental Prediction (NCEP) and satellite images, ...
Aerial Rivers and Lakes: Looking at Large-Scale Moisture Transport and Its Relation to Amazonia and to Subtropical Rainfall in South America
Publisher: American Meteorological Society
Abstract: his is an observational study of the large-scale moisture transport over South America, with some analyses on its relation to subtropical rainfall. The concept of aerial rivers is proposed as a framework: it is an analogy ...
Environmental Conditions Associated with Amazonian Squall Lines: A Case Study
Publisher: American Meteorological Society
Abstract: The environmental conditions associated with squall lines (SL) that were observed during the period of 13 April?13 May 1987 (GTE/ABLE-2B) originating at the northern coast of South America and propagating over the Amazon ...
Mapping Surface Parameters for Mesoscale Modeling in Forested and Deforested Southwestern Amazonia
Publisher: American Meteorological Society
Abstract: Surface parameter digital maps of vegetation, soil, and relief are obtained over Rondônia, Brazil, covering the 5° ? 5° region 8°?13°S, 65°?60°W. Numerical maps of the natural landscape structure have been achieved by ...
The Drought of Amazonia in 2005
Publisher: American Meteorological Society
Abstract: In 2005, large sections of southwestern Amazonia experienced one of the most intense droughts of the last hundred years. The drought severely affected human population along the main channel of the Amazon River and its ...
Addressing the Complexity of the Earth System
Publisher: American Meteorological Society
Abstract: r discusses the development of a prediction system that integrates physical, biogeochemical, and societal processes in a unified Earth system framework. Such development requires collaborations among physical and social ...