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Intraseasonal scale ensemble forecasts of precipitation and evapotranspiration for the Madeira River basin using different physical parameterizations
Weslley de Brito Gomes, Prakki Satyamurty, Francis Wagner Silva Correia, Sin Chan Chou, ... André de Arruda Lyra
2022-02-17
发表期刊Atmospheric Research
出版年2022
英文摘要

Eta Regional Model of CPTEC-INPE is used to obtain intraseasonal (30-day) 8-member ensemble forecasts over the Madeira River basin for the period 2002–2012. The initial and boundary conditions are taken from Atmospheric General Circulation Global Model in six members and from Global Coupled Ocean-Atmosphere Model in two members. The intraseasonal forecasts produced by dynamic downscaling with Eta Regional model ensemble have satisfactory skill. The skill of the ensemble mean is better than the individual members up to 15-days lead time forecasts. The ensemble mean reproduces the seasonal cycle and spatial distribution of the hydrological variables. Members with the relaxation technique of Betts-Miller-Janjic produced better results. The forecasts by the members that used Kain-Fritsch scheme presented larger deviations from observations. Substantial improvements in skill are obtained through bias correction. This is the first work to attempt dynamic downscaling over the Madeira Basin in the intraseasonal time scale for a period of 10 years. The ensemble downscaled products have potential to be fed into surface hydrological models for forecasting droughts and floods and related hydrological variables over the basin.

领域地球科学
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/346628
专题地球科学
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Weslley de Brito Gomes, Prakki Satyamurty, Francis Wagner Silva Correia, Sin Chan Chou, ... André de Arruda Lyra. Intraseasonal scale ensemble forecasts of precipitation and evapotranspiration for the Madeira River basin using different physical parameterizations[J]. Atmospheric Research,2022.
APA Weslley de Brito Gomes, Prakki Satyamurty, Francis Wagner Silva Correia, Sin Chan Chou, ... André de Arruda Lyra.(2022).Intraseasonal scale ensemble forecasts of precipitation and evapotranspiration for the Madeira River basin using different physical parameterizations.Atmospheric Research.
MLA Weslley de Brito Gomes, Prakki Satyamurty, Francis Wagner Silva Correia, Sin Chan Chou, ... André de Arruda Lyra."Intraseasonal scale ensemble forecasts of precipitation and evapotranspiration for the Madeira River basin using different physical parameterizations".Atmospheric Research (2022).
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