Radiation Balance
Mostrando 25-36 de 90 artigos, teses e dissertações.
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25. Morfología forestal y confort térmico en "ciudades oasis" de zonas áridas
Usually, cities settled in arid or semi-arid regions follow an urban development model based on compact morphologies as a bioclimatic strategy for the control of solar radiation. However, the reference case in this study, the city of Mendoza, Argentina, located also in a seismic and semiarid zone, has a different urban model. The city displays wide road chan
Ambiente Construído. Publicado em: 2010-12
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26. Medições do saldo de radiação em copas de cafeeiros e limeiras ácidas por sistemas de integração espaço-temporal e estimativas por técnicas de modelagem / Measurements of net radiation of the canopy of coffee and acid lime trees in hedgerows by spatiotemporal integration systems and estimates by modelling techniques
The amount of radiant energy absorbed by the canopy of trees has great application in photosynthesis and transpiration research. Studies of radiation interception by the canopies of an isolated or a sequence of trees in hedgerows have been carried out by a technique which employs moving radiometers around an isolated tree (spherical geometry of measurement)
Publicado em: 2010
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27. Modelling evapotranspiration for reference crop and acid lime orchard based on regression and artificial neural network tecniques / Modelagem da evapotranspiração de referência e da evapotranspiração de limeira ácida com aplicação de técnicas de regressão e redes neurais artificiais
The main objective of this study was to test artificial neural networks (ANNs) of multilayer perceptron type (MLP) for estimating reference evapotranspiration, diffusive leaf conductance and crop evapotranspiration of a mature and irrigated citrus orchard. The ANNs were trained under conjugate gradient algorithm. The sigmoid and linear activation functions w
Publicado em: 2010
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28. UTILIZAÇÃO DO ÍNDICE DE ÁREA FOLIAR OBTIDO POR SENSORIAMENTO REMOTO PARA A ESTIMATIVA DA EVAPOTRANSPIRAÇÃO DE REFERÊNCIA NA BACIA DO PRATA
In this work the estimate of evapotranspiration over the region of the Plata Basin, using data of leaf area index obtained from remote sensing, through the MODIS. The method used to obtain the estimated evapotranspiration is known as the Penman-Monteith. This technique uses as well as atmospheric forcing of net radiation, air temperature, relative humidity a
Publicado em: 2010
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29. Mapeamento da estimativa do saldo de radiação instantânea no médio são francisco com base em sensores remotos e o modelo de elevação digital.
Este trabalho teve por objetivo estimar o saldo de radiação instantânea à superfície terrestre, através de imagens do TM-Landsat 5, fazendo uso do algoritmo SEBAL em duas situações: a) com o Modelo de Elevação Digital (MED) e b) sem o MED. A área estudada está localizada no semi-árido nordestino brasileiro, entre os Estados de Alagoas e Sergipe,
Publicado em: 2010
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30. MODELO DE ESTIMATIVA DA RADIAÇÃO LÍQUIDA E SUA APLICAÇÃO NA DETERMINAÇÃO DA EVAPOTRANSPIRAÇÃO POTENCIAL
This study aimed to assess and develop a physical mathematical model to estimats the net radiation. For this we used weather data collected from the meteorological station of the Department of Physics and Meteorology of the Escola Superior de Agricultura "Luis de Queiroz" - ESALQ - University of São Paulo - USP, Piracicaba, Brazil, according to the global r
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 24/07/2009
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31. EVAPOTRANSPIRAÇÃO DA MELANCIA IRRIGADA POR MEIO DO SEBAL, BALANÇO HÍDRICO E CORRELAÇÕES TURBULENTAS / ESTIMATING IRRIGATED WATERMELON EVAPOTRANSPIRATION USING SEBAL, SOIL-WATER BALANCE AND EDDY CORRELATIONS
In applications of the SEBAL (Surface Energy Balance Algorithm for Land) algorithm parameters for physical processes adjusted for other regions of the planet are commonly used. Therefore, there is a need for validation of the estimates made with the algorithm compared with other conventional methods of estimating evapotranspiration. Thus, this study main goa
Publicado em: 2009
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32. Estimate of energy balance in the basin Jaguaribe-CE using remote sensing techniques / Estimativa do balanço de energia na bacia do Baixo Jaguaribe utilizando técnicas de sensoriamento remoto.
Using techniques of remote detection, this work aimed to obtain the energy balance in the Basin of Low Jaguaribe, Perimeter irrigated Tabuleiro de Russas and dam Santo Antônio de Russas. Two images of sensor TM of the satellite Landsat 5 obtained together DGI (Department of Generation of Images) of INPE, composed by six bands, (1,2,3,4,5,7) of the spectrum
Publicado em: 2009
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33. Seasonal characterization of the Net Radiation and energy balance on the Mundaú-Manguaba Estuary-Lagunar Complex (Alagoas). / Caracterização sazonal dos balanços de radiação e energia no Complexo Estuarino-Lagunar Mundaú-Manguaba (Alagoas).
The largest Brazilian area of mangroves is the second in the world and the first of th Americas. The knowledge of interaction this ecosystem with the atmosphere is important, because haven‟t a lots of meteorological papers about this subject, especially by the fact that environmental degradation modifies the ecosystem microclimate. Therefore, the study
Publicado em: 2009
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34. Water and energy fluxes in cowpea and castor beans cultivated in northeast Brazil / Fluxos de Ãgua e de energia em feijÃo macassar e mamona no nordeste do Brasil
The castor beans and cowpea are crops of enormous economic and social importance for the farmers in northeast Brazil, whereas the extracted oil of seeds of castor beans is used for production of biodiesel and the cowpea is the main food for poor population. Independent of crop type, the knowledge of water amount removed from soil by vegetation is of great in
Publicado em: 2009
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35. O impacto da vegetação nos microclimas urbanos / The Impact of vegetation in urban microclimates
The main purpose of this research is the effects of vegetation in urban microclimate conditions, under the premise that the presence of vegetation influences the microclimate and its surroundings. Considering different forms of green space distribution and using native species, it could quantify the intensity and spatial distribution for the microclimate eff
Publicado em: 2009
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36. Análise do Balanço de Calor através da superfície no Atlântico Tropical Sul por satélites. / Analysis of the Heat Budget in the South Atlantic Ocean by Satelites
O objetivo deste trabalho é investigar a variabilidade das componentes do balanço de calor pela superfície no Atlântico Sul, entre 5oS e 30oS e para o período entre 2000 a 2004, através da combinação de dados provenientes de múltiplos satélites. Com isso, visamos verificar se os processos de troca de calor no oceano são dominados por variabilidade
Publicado em: 2009