Influencia de ENOS en la hidrometeorología de la Cuenca Alta del Río Neuquén

Detalles Bibliográficos
Publicado en:	Geograficando. Vol. 16 No. 1 (2020),e066 16. Ensenada : Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación. Departamento de Geografía, 2020 Artículos
Autor Principal:	Groch, Damián
Otros autores o Colaboradores:	Cogliati, Marisa Gloria, Finessi, Florencia Gisella
Formato:	Artículo
Temas:	El Niño-Oscilación del Sur Indice Oceánico del Niño Terra-MODIS Caudal Precipitación El Niño-Southern Oscillation Oceanic Niño Index Flow rate Precipitation
Acceso en línea:	https://www.memoria.fahce.unlp.edu.ar/art_revistas/pr.11866/pr.11866.pdf https://www.geograficando.fahce.unlp.edu.ar/article/view/10101 10.24215/2346898Xe066
Resumen:	La interacción océano-atmósfera actúa como forzante de los sistemas hidrológicos en diferentes escalas temporales, siendo El Niño-Oscilación Sur (ENOS) uno de ellos. Este trabajo presenta el análisis de variables hidrometeorológicas y su asociación con el Índice Oceánico del Niño (ONI), representativo de ENOS, en la Cuenca Alta del Río Neuquén para el período 2000-2014. Se ha detectado una débil correlación (r de 0,35). La precipitación, la temperatura, el caudal, el Equivalente de Agua en Nieve y el Área Cubierta de Nieve (ACN) presentaron una débil asociación con el ONI, con un coeficiente de correlación medio de 0,35 y un nivel de significación del 5en la Cuenca Alta del Río Neuquén (CARN) para el período 2000-2014. El ACN presentó una correlación muy débil, entre -0,07 para El Niño y 0,14 para La Niña, mientras que las correlaciones entre el caudal y el ONI fueron de 0,51 para la totalidad del período y 0,31 para las fases de El Niño al 5de significación, sin ser significativas para períodos de La Niña. The ocean-atmosphere interaction acts as a force for hydrological systems at different time scales, El Niño-Southern Oscillation (ENSO) being one of them. This paper presents the analysis of hydrometeorological variables and their association with the Oceanic Niño Index (ONI), representative of ENSO, in the Upper Basin of Neuquén River (UBNR) for the period 2000-2014; detecting a weak correlation (r of 0,35). Precipitation, temperature and SWE presented weak and moderate associations, with a r lower than 0.44, 0.23 and 0.36 respectively, without a defined behavior for the different phases of ENSO; while the SCA presented a very weak correlation, between -0.07 and 0.14. Correlation between the flow and the ONI was 0.51 for the entire period and 0,31 for the El Niño phases with a 5of significance, without being significant for La Niña periods.
Descripción Física:	p.e066
ISSN:	ISSN 2346-898X

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Influencia de ENOS en la hidrometeorología de la Cuenca Alta del Río Neuquén

https://www.memoria.fahce.unlp.edu.ar/art_revistas/pr.11866/pr.11866.pdf

https://www.geograficando.fahce.unlp.edu.ar/article/view/10101

10.24215/2346898Xe066

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