Large-scale circulation departures related to wet episodes in northeast Brazil

Cover of: Large-scale circulation departures related to wet episodes in northeast Brazil |

Published by Atmospheric Sciences Division, Dept. of Geological/Geophysical Sciences, University of Wisconsin in Milwaukee, WI .

Written in English

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  • Rain and rainfall -- Brazil.,
  • Brazil -- Climate.

Edition Notes

Book details

Other titlesLarge scale circulation departures related to wet episodes in northeast Brazil.
StatementDhirendra N. Sikdar and James B. Elsner.
SeriesNASA-CR -- 176352., NASA contractor report -- NASA CR-176352.
ContributionsElsner, James B., United States. National Aeronautics and Space Administration.
The Physical Object
Pagination1 v.
ID Numbers
Open LibraryOL18032068M

Download Large-scale circulation departures related to wet episodes in northeast Brazil

Get this from a library. Large-scale circulation departures related to wet episodes in northeast Brazil. [Dhirendra N Sikdar; James B Elsner; United. “Large-scale circulation departures related to wet episodes in North-East Brazil”.

In: Quarterly Journal of the Royal Meteorological Society.Circulation anomalies and Australian seasonal rainfall / Trevor Casey and Li Wei-Jing Bureau of Meteorology Melbourne Wikipedia Citation Please see Wikipedia's template documentation for further citation fields that may be required.

Dynamics of climatic hazards in Northeast Brazil Article in Quarterly Journal of the Royal Meteorological Society () - 92 December with.

El Niño/ Southern Oscillation (ENSO) is said to be one of the most powerful climatic and oceanic oscillations in the Earth. A repeat cycle of ENSO varies from two to seven years, but departures from this interval are also probable.

Uneven recurrence time implies considerable problems in forecasting El Niño episodes (warm ENSO phases) and La Niña events (cold ENSO phases). A review of large scale and synoptic systems influence on extreme precipitation over Southeastern Brazil is given in [21], where some cases during the first decade of 21 st century were discussed.

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There is a strong inter-annual and inter-decadal variability in time series of flood-related variables, such as intense precipitation, high river discharge, flood magnitude, and flood loss at a range of spatial scales.

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The active-wet, inactive-dry. Nobre, P., Moura, A. D., ‘Large scale tropical heat sources and global atmosphere energy propagation associated with droughts in Northeast Brazil’, pp.

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Full text of "Britannica Book Of The Year " See other formats. El Niño is one of the largest oscillations of the climate system and is defined as warmer than normal condition of Pacific Ocean surface temperature in tropical eastern parts (Figure 1).Under normal conditions, Pacific Ocean currents are east-to-west on the equator, causing the upwelling of deeper water toward the surface in the eastern parts.

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The El Niño Southern Oscillation (ENSO) is an important mode of climatic variability that exerts a discernible impact on ecosystems and society through alterations in climate patterns. For this reason, ENSO has attracted much interest in the climate and health science community, with many analysts investigating ENSO health links through considering the degree of dependency Cited by: 9.

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In northeast Brazil, multidecadal variations in atmos-pheric circulation over the tropical Atlantic have been linked to similar time-scale variations in rainfall over the region (Hastenrath and Greischar, ; Nobre and Shukla, ; Wagner, ).

On longer time scales, rainfall in northern northeast Brazil exhibits weak positive trends that are. Large-scale circulation departures related to wet episodes in northeast Brazil.

NASA Technical Reports Server (NTRS) Sikdar, D. N.; Elsner, J. Large scale circulation features are presented as related to wet spells over northeast Brazil (Nordeste) during the rainy season (March and April) of The rainy season season is devided into dry and wet.

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