Improving the representation of tropospheric aerosols over South America in an Atmospheric chemistry model by three dimensional variational data assimilation.
The aerosol and trace gas three dimensional variational data assimilation system (3D-VAR) of CCATT-BRAMS, the Coupled Chemistry-Aerosol-Tracer Transport model coupled to the Brazilian developments on the Regional Atmospheric Modeling System (BRAMS) will be presented. In the framework of a case study...
por Portal Padrão
publicado
27/08/2010
1:58 PM
Melhoria do inventário de emissões para a modelagem da qualidade do ar em Cuba.
Emission data is an important source of uncertainties in chemical weather forecast. In particular, when only global inventories, or any inventory that doesnt consider the specifics of local data, is used. An improved emission inventory was included into the CCATT-BRAMS emission preprocessor, includi...
por Portal Padrão
publicado
27/08/2010
1:57 PM
Estudo observacional da variabilidade do cisalhamento vertical do vento aplicado ao levantamento de potencial eólico no semi-árido nordestino.
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por Portal Padrão
publicado
27/08/2010
1:55 PM
NDVI (MODIS sensor) response to inter-annual variability of rainfall and evapotranspiration in a soybean producing region, Southern Brazil.
This study aimed at evaluating the response of the Normalized Difference Vegetation Index - NDVI (MODIS sensor, TERRA satellite) of soybean to interannual variability of rainfall and evapotranspiration in Campos Gerais, a region of the state of Parana in southern Brazil. Landsat TM 5 and 7 images we...
por Portal Padrão
publicado
27/08/2010
1:49 PM
Aplicações em agricultura.
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por Portal Padrão
publicado
27/08/2010
1:48 PM
Determinação em laboratório de fatores de emissão de queima da palha de cana-de-açúcar para a estimativa de emissões.
Although sugarcane crop is admittedly relevant to Brazilian economy, the increase of ethanol demand may produce significant environmental impacts. The common practice of pre-harvest burning of sugarcane straw emits particulate material, greenhouse gases, and tropospheric ozone precursors to the atmo...
por Portal Padrão
publicado
27/08/2010
1:47 PM
Atmospheric deposition of nitrate, sulphate and ammonium on the Brazilian Territory: what do we know?
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por Portal Padrão
publicado
27/08/2010
1:46 PM
Database model for environmental change applications.
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por Portal Padrão
publicado
27/08/2010
1:45 PM
Contribuição do consórcio pinhão manso-braquiária ao melhoramento da dinâmica hidráulica do solo.
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por Portal Padrão
publicado
27/08/2010
1:44 PM
Towards a dynamic geospatial database model.
This document aims to present: (1) an analysis of distinct geospatial data dynamics and real application demands on representing and querying spatio-temporal data; and (2) a critical review of ten spatio-temporal database models proposed in the literature during the past two decades. This is an init...
por Portal Padrão
publicado
27/08/2010
1:43 PM
Avaliação do potencial eólico do Sul do Brasil.
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por Portal Padrão
publicado
27/08/2010
1:41 PM
Experiments using new initial soil moisture conditions and soil map in the Eta model over La Plata Basin.
Strong interactions between soil moisture and the atmospheric processes take place in all spatial and temporal scales. The effects of soil moisture on rainfall can be associated with dynamical modifications of atmospheric systems as well as the generation of mesoscale circulations through the format...
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