Local patterns and trends of the Standard Precipitation Index in southern Portugal (1940–1999)
This paper analyzes the yearly changes in precipitation from 1940 to 1999 on local and regional scales over the southern region of continental Portugal, which has large areas threatened by desertification. The Standard Precipitation Index (SPI) time series with the 12-month time scale is calculated...
Main Author: | A. C. Costa |
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Format: | Article |
Language: | English |
Published: |
Copernicus Publications
2011-05-01
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Series: | Advances in Geosciences |
Online Access: | http://www.adv-geosci.net/30/11/2011/adgeo-30-11-2011.pdf |
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