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Erschienen in:
Regional Vulnerability of Agro-Environmental Processes Facing Climate Change. Latin American Adaptation Agendas Kapitel lesen Erstes Kapitel lesen

2014 | OriginalPaper | Buchkapitel

3. Analysis of Temporal Variability of Droughts in Southern Paraguay and Northern Argentina (1961–2011)

verfasst von : Maria Manuela Portela, Artur Tiago Silva, João Filipe dos Santos, Julián Baez Benitez, Carlos Frank, José Miguel Reichert

Erschienen in: International Perspectives on Climate Change

Verlag: Springer International Publishing

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Abstract

The study presents an analysis of droughts using monthly rainfall data, from January 1961 to December 2011, from 11 rain gauges located in Paraguay and Northern Argentina. The characterization of the drought events used the standardized precipitation index (SPI) applied at different time scales (3, 6, and 12 consecutive months). The temporal variability of the droughts in the study period was analyzed in terms of changes in their frequency—regardless of the severity, has the frequency of droughts increased or decreased?—and in their severity—are we experiencing more severe droughts or not? The results achieved, despite proving the suitability of the approaches applied, did not reveal any trend towards an increase or a decrease either in the frequency of the droughts or in their severity in the studied area.

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Vorheriges Kapitel Risk Analysis in Transboundary Water of the Rivers Pilcomayo and Paraguay
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Metadaten
Titel
Analysis of Temporal Variability of Droughts in Southern Paraguay and Northern Argentina (1961–2011)
verfasst von
Maria Manuela Portela
Artur Tiago Silva
João Filipe dos Santos
Julián Baez Benitez
Carlos Frank
José Miguel Reichert
Copyright-Jahr
2014
Buch
International Perspectives on Climate Change

Print ISBN: 978-3-319-04488-0

Electronic ISBN: 978-3-319-04489-7

Copyright-Jahr: 2014

DOI
https://doi.org/10.1007/978-3-319-04489-7_3