North Atlantic Oscillation
Mostrando 1-12 de 13 artigos, teses e dissertações.
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1. Indicadores Climáticos e a Produtividade de Soja no Rio Grande do Sul
Resumo O objetivo deste trabalho foi identificar padrões de teleconexão que influenciem na variabilidade da produtividade de soja no Rio Grande do Sul de forma a encontrar potenciais variáveis preditoras da produtividade agrícola no Estado. Foram utilizados dados de produtividade de soja de 87 municípios fornecidos pelo Instituto Brasileiro de Geografia
Rev. bras. meteorol.. Publicado em: 05/08/2019
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2. Interannual Variability of Precipitation for the Centro de Lançamento de Alcântara in ENSO-Neutral Years
ABSTRACT: The interannual variability of precipitation in El Niño/Southern Oscillation-neutral years was studied for the Centro de Lançamento de Alcântara region. Monthly precipitation, sea surface temperature, wind at 925 hPa and outgoing longwave radiation data from various gridded datasets for the 1951-2010 period (60 years) were used. The data groupin
J. Aerosp. Technol. Manag.. Publicado em: 2015-09
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3. Impactos de El Niño y La Niña en las lluvias del Perú (1965-2007)
The impacts of El Niño (EN) and La Niña (LN) in rainfall in Peru are evaluated using monthly data (1965-2007) of 155 stations distributed over the three hydrographic drainages of Peru: 85 in the Pacific (VP), 21 in the Lake Titicaca (VT) and 49 in the Amazon (VA). To classify El Niño and La Niña is used the Index Troup Southern Oscillation (SOI) based on
Rev. bras. meteorol.. Publicado em: 2014-06
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4. Variabilidade climática e correlação entre TSM e vazão fluvial nos rios Amazonas e Negro / Climate variability of the Atlantic and Pacific oceans and flow of the rivers Amazonas and Negro
Climate variability is a complex system generated by the participation of various actors and their role in atmospheric dynamics, the Sea Surface Temperature(SST) plays a key role in influencing the several features of the climate indexes: Southern Hemisphere Cancel Index Mode (SAM), Southern Oscillation Index (SOI), El Nino / Southern Oscillation (ENSO), (TN
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 07/03/2012
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5. Variabilidade oceânica associada à variabilidade climática da vazão na bacia do rio São Francisco / Oceanic variability related to river outflow at São Francisco Hydrographic basin
This research concerned to propose a valuation about the relationship between annual oceanic behavior and river outflow at São Francisco Hydrographic Basin, in Brazil, for the period from 1968 to 2004. Linear model based on multiple regression were built for annual river outflow at Ponte da Taquara, located at High São Francisco sub-basin. Climatic indexes
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 06/02/2012
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6. River level sensitivity to SOI and NAO in Pantanal and Amazonia.
Water level in rivers of central and northern South America (SA) is primarily driven by fluctuations in rainfall that is largely controlled by regional and global sea-air-land interactions. In this work it is evaluated the role of changes in equatorial Pacific and north Atlantic ocean-atmospheric interactions in regulating river level in Pantanal and Amazoni
SIMPÓSIO DE GEOTECNOLOGIAS NO PANTANAL. Publicado em: 2011
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7. Eventos extremos de precipitação no leste da Amazônia. / Extreme events of rainfall in Eastern Amazon.
The aim of this study was to characterize the extreme events of rainfall in Eastern Amazon, to analyze on ocean-atmosphere conditions in global scale associated with intense occurrence periods of these events, to contribute for temporal variation comprehension of rainfall extreme events, as well as of determinant phenomena to its occurrence and to make furth
Publicado em: 2010
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8. A influência das variáveis ambientais (meteorológicas e de qualidade do ar) na morbidade respiratória e cardiovascular na área metropolitana do Porto / The environmental variables (meteorological and air quality) impact on respiratory and cardiovascular morbidity in Metropolitan Porto Area.
O Homem é parte integrante do sistema Ambiental. O ambiente cria impactos Nele e por sua vez ele também pode provocar impactos no Ambiente. O objetivo da tese foi identificar qual a intensidade e freqüência do impacto que a poluição atmosférica e a variabilidade das variáveis meteorológicas na saúde da população da Área Metropolitana do Porto (P
Publicado em: 2010
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9. Padrões de circulação anômala associados a episódios úmidos e secos no sul do Brasil / Anomalous circulation patterns associated with wet and dry events in southern Brazil
The characteristics of the atmospheric circulation associated with persistent wet and dry events in Southern Brazil during all seasons were studied from 1979 to 2002, using precipitation pentad data. The result shows that the dominant oscillations of rainfall variability have periods between 2 and 6 pentads. Superposition of different periods was also identi
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 19/04/2007
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10. Interações trópicos-extratrópicos na escala de tempo intrassazonal durante o verão astral e seus efeitos na América do Sul / Tropical extratropical intraseasonal interactions during austraul summer and effects in south
In this study the interaction among the tropical convection in Indonesian region, the extratropical flow and the tropical convection in the South Atlantic Convergence Zone (SACZ) was analysed regarding the intraseasonal variability. The analyses were performed applying statistical techniques to the daily NCEP/NCAR reanalysis data set and to daily OLR obtaine
Publicado em: 2002
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11. The North Atlantic Oscillation: Past, present, and future
The climate of the Atlantic sector exhibits considerable variability on a wide range of time scales. A substantial portion is associated with the North Atlantic Oscillation (NAO), a hemispheric meridional oscillation in atmospheric mass with centers of action near Iceland and over the subtropical Atlantic. NAO-related impacts on winter climate extend from Fl
The National Academy of Sciences.
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12. Pacific and Atlantic Ocean influences on multidecadal drought frequency in the United States
More than half (52%) of the spatial and temporal variance in multidecadal drought frequency over the conterminous United States is attributable to the Pacific Decadal Oscillation (PDO) and the Atlantic Multidecadal Oscillation (AMO). An additional 22% of the variance in drought frequency is related to a complex spatial pattern of positive and negative trends
National Academy of Sciences.