Are drought occurrence and severity aggravating ? A study on SPI drought class transitions using log-linear models and ANOVA-like inference
Abstract. Long time series (95 to 135 yr) of the 12-month time scale Standardized Precipitation Index (SPI) relative to 10 locations across Portugal were studied with the aim of investigating if drought frequency and severity are changing through time. Considering four drought severity classes, time...
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| Other Authors: | , |
| Format: | article |
| Language: | eng |
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2012
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| Online Access: | http://hdl.handle.net/10400.5/4864 |
| Country: | Portugal |
| Oai: | oai:www.repository.utl.pt:10400.5/4864 |