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Registros recuperados: 27
Primeira ... 12 ... Última
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Total de chuvas em abril fica 40% abaixo da média. Infoteca-e
CONCEIÇÃO, M. A. F..
bitstream/item/102665/1/JJales2014-05-04.jpg
Tipo: Artigo de divulgação na mídia (INFOTECA-E) Palavras-chave: Jales; Chuva; Meteorologia; Weather; Rain.
Ano: 2014 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/987130
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As "águas de março" ficaram abaixo da média. Infoteca-e
CONCEIÇÃO, M. A. F..
bitstream/item/102663/1/JJales2014-04-06.jpg
Tipo: Artigo de divulgação na mídia (INFOTECA-E) Palavras-chave: Jales; Chuva; Meteorologia; Weather; Rain.
Ano: 2014 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/987125
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Janeiro: muito sol e pouca chuva em Jales Infoteca-e
CONCEIÇÃO, M. A. F..
bitstream/item/102486/1/JJales2014-02-02.jpg
Tipo: Artigo de divulgação na mídia (INFOTECA-E) Palavras-chave: Jales; Chuva; Meteorologia; Weather; Rain.
Ano: 2014 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/986857
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Chuvas em fevereiro superam a média do mês. Infoteca-e
CONCEIÇÃO, M. A. F..
bitstream/item/120439/1/JJales2015-03-08.jpg
Tipo: Artigo de divulgação na mídia (INFOTECA-E) Palavras-chave: Jales; Chuva; Meteorologia; Weather; Rain.
Ano: 2015 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1011481
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Chuvas em fevereiro ficam abaixo da média. Infoteca-e
CONCEIÇÃO, M. A. F..
bitstream/item/102664/1/JJales2014-03-02.jpg
Tipo: Artigo de divulgação na mídia (INFOTECA-E) Palavras-chave: Jales; Chuva; Meteorologia; Weather; Rain.
Ano: 2014 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/987128
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Zoneamento para a cultura do algodao no nordeste: II. Algodao herbaceo. Infoteca-e
AMORIM NETO, M. da S.; MEDEIROS, J. da C.; BELTRÃO, N. E. de M.; FREIRE, E. C.; NOVAES FILHO, M. de B.; GOMES, D. G..
bitstream/item/33295/1/CNPA-DOCUMENTO-39-ZONEAMENTO-PARA-A-CULTURA-DO-ALGODAO-NO-NORDESTE.pdf
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E) Palavras-chave: Algodao herbaceo-zoneamento; Brasil; Nordeste.; Clima; Gossypium Hirsutum; Solo.; Cotton; Weather; Soil; Zoning..
Ano: 1999 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/271627
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Massa de ar frio derruba temperatura em Jales. Infoteca-e
CONCEIÇÃO, M. A. F..
bitstream/item/103185/1/JJales2014-06-01.jpg
Tipo: Artigo de divulgação na mídia (INFOTECA-E) Palavras-chave: Jales; Clima; Meteorologia; Temperatura; Frio; Weather; Climate; Meteorology and climatology; Cold zones.
Ano: 2014 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/987730
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Ocorrência de chuvas excessivas na colheita da soja no estado de Mato Grosso, safra 2020/2021. Infoteca-e
GONCALVES, S. L.; FARIAS, J. R. B.; SIBALDELLI, R. N. R.; RAMOS JUNIOR, E. U.; LULU, J..
bitstream/item/222365/1/COM-TEC-99.pdf
Tipo: Comunicado Técnico (INFOTECA-E) Palavras-chave: Chuva; Clima; Climatologia; Meteorologia; Soja; Rain; Weather; Meteorology and climatology; Soybeans.
Ano: 2021 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1131043
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Total de chuvas em julho é o maior em 36 anos. Infoteca-e
CONCEIÇÃO, M. A. F..
bitstream/item/106811/1/JJales2014-08-03.jpg
Tipo: Artigo de divulgação na mídia (INFOTECA-E) Palavras-chave: Jales; Chuva; Meteorologia; Temperatura; Meteorology and climatology; Weather; Climate.
Ano: 2014 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/992974
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The Tropical Atlantic Observing System ArchiMer
Foltz, G. R.; Brandt, P.; Richter, I.; Rodríguez-fonseca, B.; Hernandez, F.; Dengler, M.; Rodrigues, R. R.; Schmidt, J. O.; Yu, L.; Lefevre, N.; Da Cunha, L. Cotrim; Mcphaden, M. J.; Araujo, M.; Karstensen, J.; Hahn, J.; Martín-rey, M.; Patricola, C. M.; Poli, P.; Zuidema, P.; Hummels, R.; Perez, Rc; Hatje, V.; Lübbecke, J. F.; Polo, I.; Lumpkin, R.; Bourlès, Bernard; Asuquo, F. E.; Lehodey, P.; Conchon, A.; Chang, P.; Dandin, P.; Schmid, C.; Sutton, A.; Giordani, H.; Xue, Y.; Illig, S.; Losada, T.; Grodsky, S. A.; Gasparin, F.; Lee, T.; Mohino, E.; Nobre, P.; Wanninkhof, R.; Keenlyside, N.; Garcon, V.; Sánchez-gómez, E.; Nnamchi, H. C.; Drévillon, M.; Storto, A.; Remy, E.; Lazar, A.; Speich, S.; Goes, M.; Dorrington, T.; Johns, W. E.; Moum, J. N.; Robinson, C.; Perruche, Coralie; De Souza, R. B.; Gaye, A. T.; López-parages, J.; Monerie, P.-a.; Castellanos, P.; Benson, N. U.; Hounkonnou, M. N.; Duhá, J. Trotte; Laxenaire, R.; Reul, Nicolas.
The tropical Atlantic is home to multiple coupled climate variations covering a wide range of timescales and impacting societally relevant phenomena such as continental rainfall, Atlantic hurricane activity, oceanic biological productivity, and atmospheric circulation in the equatorial Pacific. The tropical Atlantic also connects the southern and northern branches of the Atlantic meridional overturning circulation and receives freshwater input from some of the world’s largest rivers. To address these diverse, unique, and interconnected research challenges, a rich network of ocean observations has developed, building on the backbone of the Prediction and Research Moored Array in the Tropical Atlantic (PIRATA). This network has evolved naturally over time...
Tipo: Text Palavras-chave: Tropical Atlantic Ocean; Observing system; Weather; Climate; Hurricanes; Biogeochemistry; Ecosystems; Coupled model bias.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00494/60612/64096.pdf
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Efectos de un inusual periodo de alta frecuencia de huracanes sobre el bentos de arrecifes coralinos. OceanDocs
Alcolado, P. M.; Hernández Muñoz, D.; Caballero, H.; Busutil, L.; Perera, S.; Hidalgo, G..
En arrecifes coralinos del suroeste de Cuba, se evaluaron los impactos de la inusitada frecuencia e intensidad de huracanes entre el 2001 y el 2007, y de las enfermedades de corales, ambos factores asociados al cambio climático. En las crestas arrecifales, la reducción de la cobertura de coral duro vivo varió de nula a 21%, mientras que la reducción del diámetro máximo promedio de los corales varió de 16 a 40 cm. En los arrecifes frontales, la reducción de la cobertura de coral varió de nula a 14%, mientras que la reducción del diámetro máximo promedio varió de nula a 26 cm. Sin embargo, en todos los sitios se observaron grandes cambios en el predominio numérico de las especies. En las crestas, este se desplazó de Acropora palmata y otros corales duros a...
Tipo: Journal Contribution Palavras-chave: 1462; Hurricanes; Weather; Diseases; Coral reefs; Hurricanes; Weather; Coral reefs; Diseases; Http://aims.fao.org/aos/agrovoc/c_11650; Http://aims.fao.org/aos/agrovoc/c_15292; Http://aims.fao.org/aos/agrovoc/c_1880; Http://aims.fao.org/aos/agrovoc/c_49879.
Ano: 2009 URL: http://hdl.handle.net/1834/4094
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Validación de tres productos de precipitación en la costa ecuatoriana OceanDocs
Cedeño, J..
Three precipitation products with global coverage have been analyzed for the ecuadorian coastal zone (below 1000 m above sea level), during the period 1964-1994, to evaluate their behavior and consistency, in addition to their response to the governing seasonal cycle. The precipitation products are : CRU (Climate Research Unit, University of East Anglia), GPCC (Global Precipitation Climatology Centre, Deutscher Wetterdients), and UDEL (University of Delaware), regridded at a regular grid of 0.25°. The reference dataset chosen (INMAHI 12k) is based on observations from 51 rain-gauges located at meteorological stations on the Ecuadorian littoral, gridded at 0.25°. The analysis is based, principally, on comparison of the products with the observed annual...
Tipo: Journal Contribution Palavras-chave: Atmospheric precipitations; Correlation analysis; Weather; Annual variations.
Ano: 2010 URL: http://hdl.handle.net/1834/4211
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Weed Flora of Citrus Orchards and Factors Affecting its Distribution in Western Mediterranean Region of Turkey Planta Daninha
ONEN,H.; AKDENIZ,M.; FAROOQ,S.; HUSSAIN,M.; OZASLAN,C..
ABSTRACT: Citrus is an important export commodity, mostly grown on Mediterranean and Aegean coasts of Turkey. Weeds are hidden foes impairing citrus productivity. Limited knowledge of weed distribution and factors affecting the distribution are among major hurdles in successful weed management. In this study, weed flora of citrus orchards and factors affecting its distributions in Mugla province of Turkey were determined. Sixty orchards were surveyed in spring and autumn seasons of 2010 and 2011. Data relating to frequency, coverage and density of weed species were recorded. Soil samples (0-30 cm depth) were collected and analyzed for physicochemical properties. Climatic variables, altitude and soil properties were correlated with weed flora. Sixty-eight...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Weeds; Multivariate analysis; Soil properties; Weather.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582018000100236
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Contemporary Issues in Estimating Yield Distributions AgEcon
Pujula, Aude Liliana; Maradiaga, David Isaias; Dicks, Michael R..
In the research area of crop yield density estimation and in particular in risk analysis, little emphasis has been given to the appropriateness of transformation methods (e.g., removing a linear trend) and how such transformations impact the reliability of the empirical distribution functions and the resulting probability estimates. Similarly, there is little consensus on the impact of environmental variables (e.g., rainfall and temperature) on empirical distributions of yields. Using historical county corn yield data for Arkansas and Louisiana and nonparametric methods, this empirical analysis shed light on the importance of data transformation in crop risk analysis. Results demonstrate that inappropriate data treatment can lead to misestimation of...
Tipo: Conference Paper or Presentation Palavras-chave: Probability Density Estimation; Nonparametric; Kernel; Nonstationary; Unit Roots; Data Transformations; Corn Yields; Weather; Production Economics; Research Methods/ Statistical Methods; Risk and Uncertainty.
Ano: 2010 URL: http://purl.umn.edu/56527
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Pricing Weather Derivatives AgEcon
Richards, Timothy J.; Manfredo, Mark R.; Sanders, Dwight R..
This paper presents a general method for pricing weather derivatives. Specification tests find that a temperature series for Fresno, California follows a mean-reverting Brownian motion process with discrete jumps and ARCH errors. Based on this process, we define an equilibrium pricing model for cooling degree day weather options. Comparing option prices estimated with three methods: a traditional burn-rate approach, a Black-Scholes-Merton approximation, and an equilibrium Monte Carlo simulation reveals significant differences. Equilibrium prices are preferred on theoretical grounds, so are used to demonstrate the usefulness of weather derivatives as risk management tools for California specialty crop growers.
Tipo: Working or Discussion Paper Palavras-chave: Derivative; Jump-diffusion process; Mean-reversion; Volatility; Weather; Demand and Price Analysis.
Ano: 2004 URL: http://purl.umn.edu/28536
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Predicting the quality and prices of Bordeaux wines AgEcon
Ashenfelter, Orley.
Bordeaux wines have been made in much the same way for centuries. This article shows that the variability in the quality and prices of Bordeaux vintages is predicted by the weather that created the grapes. The price equation provides a measure of the real rate of return to holding wines (about 2–3% per annum) and implies far greater variability in the early or ‘en primeur’ wine prices than is observed. The analysis provides a useful basis for assessing market inefficiency, the effect of climate change on the wine industry and the role of expert opinion in determining wine prices.
Tipo: Working or Discussion Paper Palavras-chave: Wine quality; Wine prices; Weather; Bordeaux wine; Wine auctions; Demand and Price Analysis; Environmental Economics and Policy.
Ano: 2007 URL: http://purl.umn.edu/37297
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Weather, Climate, and Agricultural Disaster Payments in the Southeastern U.S. AgEcon
Nadolnyak, Denis A.; Hartarska, Valentina M..
Direct disaster payments have been criticized as inefficient and inequitable. In this article, the impact of weather and climate, as well as economic and political variables, on crop disaster payments is analyzed using county level data from four states in the southeastern United States. The results of panel data analysis suggest that weather and climate variables explain most of the crop disaster payments at the county level while socioeconomic and political variables do not, suggesting that advancements in weather and climate forecasts could be helpful in budgeting.
Tipo: Conference Paper or Presentation Palavras-chave: Disaster assistance; Weather; ENSO; Agricultural and Food Policy; Risk and Uncertainty.
Ano: 2009 URL: http://purl.umn.edu/51802
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Kansas Grain Supply Response to Economic and Biophysical Factors, 1977-2007 AgEcon
Boussios, David; Barkley, Andrew P..
This research identifies and quantifies the impact of biophysical and economic variables on Kansas grain supply for the period 1977- 2007. This research estimates total supply response by aggregating yield and acreage responses. Previous methods have effectively analyzed the response of crop supply through either acreage or yield responses. However, the method proposed in this research incorporates both yield and acreage response to various production variables through recursive modeling. The results include the negative impact of acreage expansion on aggregate yields and thus the impact on total supply. The results also show that previous methods underestimate supply response elasticities by as much as 97%. Furthermore, this research estimates supply...
Tipo: Presentation Palavras-chave: Yield; Acreage; Supply; Grain; Extensive Margin; Producer Expectations; Climate; Weather; Agribusiness; Agricultural and Food Policy; Crop Production/Industries; Environmental Economics and Policy; Land Economics/Use; Production Economics; Resource /Energy Economics and Policy.
Ano: 2012 URL: http://purl.umn.edu/124385
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Pre-harvest Forecasting of County Wheat Yield and Wheat Quality Conditional on Weather Information AgEcon
Lee, Byoung-Hoon; Kenkel, Philip L.; Brorsen, B. Wade.
Wheat regression models that account for the effect of weather are developed to forecast wheat yield and quality. Spatial lag effects are included. Wheat yield, protein, and test weight level are strongly influenced by weather variables. The forecasting power of the yield and protein models was enhanced by adding the spatial lag effect. Out of sample forecasting tests confirm the models’ usefulness in accounting for the variations in average wheat yield and qualities.
Tipo: Conference Paper or Presentation Palavras-chave: Prediction; Protein; Spatial lag; Test weight; Weather; Wheat yield; Agribusiness; Environmental Economics and Policy; Farm Management; Production Economics; Productivity Analysis; Risk and Uncertainty.
Ano: 2011 URL: http://purl.umn.edu/98829
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Spatio-Temporal Modeling of Wildfire Risks in the U.S. Forest Sector AgEcon
Chen, Xuan; Goodwin, Barry K..
In the US forestry industry, wildfire has always been one of the leading causes of damage. This topic is of growing interest as wildfire has caused huge losses for landowners, residents and governments in recent years. While individual wildfire behavior is well studied (e.g. Butry 2009; Holmes 2010), a lot of new literature on broadscale wildfire risks (e.g. by county) is emerging (e.g. Butry et al. 2001; Prestemon et al. 2002). The papers of the latter category have provided useful suggestions for government wildfire management and policies. Although wildfire insurance for real estate owners is popular, the possibility to develop a forestry production insurance scheme accounting for wildfire risks has not yet been investigated. The purpose of our paper is...
Tipo: Conference Paper or Presentation Palavras-chave: Wildfires; Forestry; Weather; Socio-economic; Spatio-Temporal autocorrelation; Risk and Uncertainty.
Ano: 2011 URL: http://purl.umn.edu/103628
Registros recuperados: 27
Primeira ... 12 ... Última
 

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