Estimating winter and spring rainfall in the comahue region (argentine) using statistical techniques
Most energy resources of Argentina come from hydroelectric stations operating in the Comahue region, like "El Chocon" and "Piedra del Aguila". The Comahue region is located in the area of the Andes range, between 38°S and 43°S and two main basins are located there: the Limay Rive...
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| Formato: | Capítulo de libro |
| Lenguaje: | Inglés |
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Nova Science Publishers, Inc.
2011
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| Acceso en línea: | Registro en Scopus Handle Registro en la Biblioteca Digital |
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| LEADER | 08976caa a22006137a 4500 | ||
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| 001 | PAPER-23753 | ||
| 003 | AR-BaUEN | ||
| 005 | 20230518205529.0 | ||
| 008 | 190411s2011 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-84951953084 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 100 | 1 | |a González, M.H. | |
| 245 | 1 | 0 | |a Estimating winter and spring rainfall in the comahue region (argentine) using statistical techniques |
| 260 | |b Nova Science Publishers, Inc. |c 2011 | ||
| 270 | 1 | 0 | |m González, M.H.; Departamento de Ciencias de la Atmósfera y los Océanos - FCEN-UBAArgentina; email: gonzalez@cima.fcen.uba.ar |
| 506 | |2 openaire |e Política editorial | ||
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| 520 | 3 | |a Most energy resources of Argentina come from hydroelectric stations operating in the Comahue region, like "El Chocon" and "Piedra del Aguila". The Comahue region is located in the area of the Andes range, between 38°S and 43°S and two main basins are located there: the Limay River (LRB) and the Neuquen River (NRB) basins. The possibility to improve the accuracy of the seasonal precipitation forecast, is the principal objective of this chapter. LRB and NRB mean rainfall series were built in order to investigate the association between them and SST and other circulation patterns in the previous month. A regression model was elaborated for MJJ rainfall in both basins. They reflect the importance of SST in the tropical Indian Ocean, the wave train over the Pacific Ocean and the ENSO phase that are observed the month before (April), to predict MJJ rainfall.The model for ASO rainfall forecast in LRB indicates that previous SST (July) doesńt influence ASO rainfall as in the case of MJJ precipitation, but the geopotential height, related to the displacement of low pressure systems along the Pacific Ocean, plays a relevant role. This fact is indicative that the dynamical systems are the main factors that contribute to generate precipitation in the study area. Meanwhile, in the case of ASO NRB, SST is more relevant. Positive SST anomalies enhance the moisture in the atmosphere and both, moist air and deep cyclonic anomalies, reinforce the intensity of rainy systems that arrive at the Comahue region from the Pacific Ocean. The application of Climate Prediction Tool from IRI, using canonical correlation analysis showed that correlation map between observed and forecast rainfall in MJJ is significant all over the area of study and it increases towards the west and the northwest. The analogous correlation map for ASO rainfall is not so good but it seems to be efficient in the NRB with correlation decreasing towards the southwest. The results let us conclude that there are factors of predictability for rainfall in both basins, and so, more investigations must be done in order to improve the forecast. This is a relevant aspect in order to better regulate the power production derived from hydro electric sources. © 2011 Nova Science Publishers, Inc. |l eng | |
| 593 | |a Departamento de Ciencias de la Atmósfera y los Océanos - FCEN-UBA, Argentina | ||
| 593 | |a Centro de Investigaciones del Mar y la Atmósfera - CONICET/UBA, CIMA - 2 piso, Pabellón II, Ciudad Universitaria, Ciudad Autónoma de Buenos Aires, Argentina | ||
| 700 | 1 | |a Cariaga, M.L. | |
| 773 | 0 | |d Nova Science Publishers, Inc., 2011 |h pp. 103-127 |p Adv. in Environ. Res. Vol. 11 |z 9781611222531 |z 9781617618963 |t Advances in Environmental Research. Volume 11 | |
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| 856 | 4 | 0 | |u https://hdl.handle.net/20.500.12110/paper_97816112_v_n_p103_Gonzalez |y Handle |
| 856 | 4 | 0 | |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_97816112_v_n_p103_Gonzalez |y Registro en la Biblioteca Digital |
| 961 | |a paper_97816112_v_n_p103_Gonzalez |b paper |c PE | ||
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