http://www.cnr.it/ontology/cnr/individuo/prodotto/ID236822
Modelling drought severity at different timescales using Standardized Precipitation Index and Geostatistics: an application in southern Italy (Abstract/Comunicazione in atti di convegno)
- Type
- Label
- Modelling drought severity at different timescales using Standardized Precipitation Index and Geostatistics: an application in southern Italy (Abstract/Comunicazione in atti di convegno) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Alternative label
Gabriele Buttafuoco, Tommaso Caloiero, Roberto Coscarelli (2013)
Modelling drought severity at different timescales using Standardized Precipitation Index and Geostatistics: an application in southern Italy
in 8th International Conference of EWRA 'Water Resources Management in an Interdisciplinary and Changing Context', Porto, Portogallo, 26 - 29 June 2013
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Gabriele Buttafuoco, Tommaso Caloiero, Roberto Coscarelli (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
- 8th International Conference of EWRA 'Water Resources Management in an Interdisciplinary and Changing Context' Books of abstracts (literal)
- Note
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- CNR - Istituto per i Sistemi Agricoli e Forestali del Mediterraneo (ISAFOM), Rende (Cosenza)
CNR - IRPI, Rende (Cosenza) (literal)
- Titolo
- Modelling drought severity at different timescales using Standardized Precipitation Index and Geostatistics: an application in southern Italy (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
- 978-989-95557-7-8 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#curatoriVolume
- Rodrigo Maia, António Guerreiro de Brito, Abílio Seca Teixeira, José Tentúgal Valente, João Pedro Pêgo (literal)
- Abstract
- A deficit of precipitation has different impacts on the ground water, reservoir storage, soil moisture, snowpack, and streamflow. In this study spatial and temporal patterns of drought in a region of southern Italy (Calabria region) have been analysed. First, the original database was homogenised and the gaps filled in for 129 daily rain gauges for the 1916-2006 period. Then both the short-time (3, 6 and 9 months) and long-time (12 and 24 months) Standardized Precipitation Index (SPI) was estimated to analyse drought especially from the agricultural point of view. A time series analysis was performed with the Mann-Kendall nonparametric test to detect possible trends. A generally negative trend has been detected. Running trend analysis, carried out for long-time SPI, revealed that the previously discussed tendencies were not persistent throughout the series length, but depended on the period examined.
SPI data were interpolated and mapped using a geostatistical approach. Moreover, both the short- and long-time SPI data were analysed by using Factor Kriging Analysis (FKA) to identify and map regionalized factors at different spatial scales from the point of view of SPI. (literal)
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