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Acta Agronómica
versión impresa ISSN 0120-2812
Resumen
PENA QUINONES, Andrés Javier; ARCE BARBOZA, Blanca Aurora; AYARZA MORENO, Miguel Ángel y LASCANO AGUILAR, Carlos Eduardo. Simulation under climatic change scenario generated with spectrum singular analysis of water requirements of pastures. Acta Agron. [online]. 2010, vol.59, n.1, pp.1-8. ISSN 0120-2812.
Even though climate change simulation shows higher temperature and precipitation rate shift, it does not provide enough information to the definition of adaptation measures to climate change at local scale. This paper intends to show how climate change local scenarios could be generated by time series trend analysis of climatic factors. Mann-Kendall test was used to determine trends in time series of two climatic factors and spectrum singular analysis to generate future scenario of the analyzed factors. The outputs showed, in both localities (El Espinal, Tolima, y Mosquera, Cundinamarca) the pasture pasto pará, Brachiaria mutica, and kikuyo, Pennisetum clandestinum, respectible, tends to require more water due to higher evapotranspiration rate, although, soils texture determinates drastic changes between the two generated climatic change scenario, irrigation requirement related.
Palabras clave : Temperature; precipitation; pasture; evapotranspiration; water consumption; simulation models; Brachiaria mutica; Pennisetum clandestinum.