Impact of ENSO episodes on the autumn rainfall patterns near S˜o Paulo, Brazil
✍ Scribed by Teresinha de M. B. S. Xavier; Maria A. F. Silva Dias; Airton F. S. Xavier
- Book ID
- 102911322
- Publisher
- John Wiley and Sons
- Year
- 1995
- Tongue
- English
- Weight
- 947 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0899-8418
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✦ Synopsis
The relative rainfall intensity for autumn near the city of SHo Paulo, Brazil, is analysed using 89 rain-gauge stations. Identifying monthly accumulated precipitation extremes in May for the 1935-1991 period is the main aim of this work. The results show a marked influence of strong El Niiio events on the spatial organization of rainfall in the neighbourhood of SHo Paulo. The pattern of relative rainfall intensity shows decreasing values from the north-west and north of the area to the south-east and south, respectively, in strong El Niiio years (mainly in May) in contrast to other patterns in other years. This result may be due to low-level wind-regime anomalies interacting with the topography of the region.