2017
DOI: 10.1590/0102-77863230004
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Predicción Climática Estacional de Precipitación Acumulada en Primavera y Verano en el Sur de Uruguay

Abstract: Recebido em 29 de Abril de 2015 -Aceito em 15 de Dezembro de 2015 ResumenSe desarrollan diferentes modelos pre-operativos de pronóstico dinámico-estadístico de precipitación estacional en el sur de Uruguay para primavera y verano. Para ello se utilizan regresiones lineales entre predicciones de variables dinámicas y observaciones de precipitación. Los pronósticos se inicializan en Agosto y Noviembre para los trimestres de Setiembre-Noviembre y Diciembre-Febrero, respectivamente. Las predicciones de las variabl… Show more

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“…Many studies have addressed the causes of the large interannual variability in southeastern South America (SESA), a region that includes Uruguay (e.g., Cazes‐Boezio et al , ; Barreiro and Tippmann, ; Grimm, ; Tedeschi et al , ). In particular, for southern Uruguay, Ungerovich and Barreiro () study the characteristics of accumulated rainfall in summer and spring and develop forecasts based on large‐scale circulation indices. Barreiro () investigates the effects of extratropical transient activity in rainfall in SESA focusing on Uruguay.…”
Section: Introductionmentioning
confidence: 99%
“…Many studies have addressed the causes of the large interannual variability in southeastern South America (SESA), a region that includes Uruguay (e.g., Cazes‐Boezio et al , ; Barreiro and Tippmann, ; Grimm, ; Tedeschi et al , ). In particular, for southern Uruguay, Ungerovich and Barreiro () study the characteristics of accumulated rainfall in summer and spring and develop forecasts based on large‐scale circulation indices. Barreiro () investigates the effects of extratropical transient activity in rainfall in SESA focusing on Uruguay.…”
Section: Introductionmentioning
confidence: 99%
“…At the same time, in lower levels there is an increase in moisture transport from the Amazon towards SESA. The combination of upper and lower-level anomalies favours increased rainfall, being austral spring the season with the most robust signal (Grimm et al, 2000;Barreiro, 2009;Zamboni et al, 2010;Martín-G omez and Barreiro, 2015;Barreiro, 2017;Ungerovich and Barreiro, 2017). The impact of ENSO on Uruguay is larger in the northern region, that is north of approximately 32.5 S (Figure 1), which leads to a higher seasonal predictability.…”
Section: Introductionmentioning
confidence: 99%