Precipitation change in Southern Italy linked to global scale oscillation indexes
This study investigates precipitation variability in five regions of Southern Italy (Campania, Apulia, Basilicata, Calabria and Sicily) using a homogeneous database of about 70 rain gauges with more than 50 years of observation. First, a statistical analysis was performed through the Mann-Kendall no...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Copernicus Publications
2011-06-01
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| Series: | Natural Hazards and Earth System Sciences |
| Online Access: | http://www.nat-hazards-earth-syst-sci.net/11/1683/2011/nhess-11-1683-2011.pdf |
| _version_ | 1811280355163897856 |
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| author | T. Caloiero R. Coscarelli E. Ferrari M. Mancini |
| author_facet | T. Caloiero R. Coscarelli E. Ferrari M. Mancini |
| author_sort | T. Caloiero |
| collection | DOAJ |
| description | This study investigates precipitation variability in five regions of Southern Italy (Campania, Apulia, Basilicata, Calabria and Sicily) using a homogeneous database of about 70 rain gauges with more than 50 years of observation. First, a statistical analysis was performed through the Mann-Kendall non-parametric test in order to determine rainfall the trend on both yearly and seasonal scales. Then, the relationship between the rainfall and some teleconnection pattern indexes was investigated using Spearman's test. The results show remarkable statistically significant negative trends for annual and winter aggregations in most part of the series. Moreover, a strong correlation has emerged between the teleconnection patterns and precipitation in Southern Italy, particularly in winter and on the Tyrrhenian side of the study area. |
| first_indexed | 2024-04-13T01:13:15Z |
| format | Article |
| id | doaj.art-4d2fde0d6fd54f1bb68afd924d09ae95 |
| institution | Directory Open Access Journal |
| issn | 1561-8633 1684-9981 |
| language | English |
| last_indexed | 2024-04-13T01:13:15Z |
| publishDate | 2011-06-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | Natural Hazards and Earth System Sciences |
| spelling | doaj.art-4d2fde0d6fd54f1bb68afd924d09ae952022-12-22T03:09:03ZengCopernicus PublicationsNatural Hazards and Earth System Sciences1561-86331684-99812011-06-011161683169410.5194/nhess-11-1683-2011Precipitation change in Southern Italy linked to global scale oscillation indexesT. CaloieroR. CoscarelliE. FerrariM. ManciniThis study investigates precipitation variability in five regions of Southern Italy (Campania, Apulia, Basilicata, Calabria and Sicily) using a homogeneous database of about 70 rain gauges with more than 50 years of observation. First, a statistical analysis was performed through the Mann-Kendall non-parametric test in order to determine rainfall the trend on both yearly and seasonal scales. Then, the relationship between the rainfall and some teleconnection pattern indexes was investigated using Spearman's test. The results show remarkable statistically significant negative trends for annual and winter aggregations in most part of the series. Moreover, a strong correlation has emerged between the teleconnection patterns and precipitation in Southern Italy, particularly in winter and on the Tyrrhenian side of the study area.http://www.nat-hazards-earth-syst-sci.net/11/1683/2011/nhess-11-1683-2011.pdf |
| spellingShingle | T. Caloiero R. Coscarelli E. Ferrari M. Mancini Precipitation change in Southern Italy linked to global scale oscillation indexes Natural Hazards and Earth System Sciences |
| title | Precipitation change in Southern Italy linked to global scale oscillation indexes |
| title_full | Precipitation change in Southern Italy linked to global scale oscillation indexes |
| title_fullStr | Precipitation change in Southern Italy linked to global scale oscillation indexes |
| title_full_unstemmed | Precipitation change in Southern Italy linked to global scale oscillation indexes |
| title_short | Precipitation change in Southern Italy linked to global scale oscillation indexes |
| title_sort | precipitation change in southern italy linked to global scale oscillation indexes |
| url | http://www.nat-hazards-earth-syst-sci.net/11/1683/2011/nhess-11-1683-2011.pdf |
| work_keys_str_mv | AT tcaloiero precipitationchangeinsouthernitalylinkedtoglobalscaleoscillationindexes AT rcoscarelli precipitationchangeinsouthernitalylinkedtoglobalscaleoscillationindexes AT eferrari precipitationchangeinsouthernitalylinkedtoglobalscaleoscillationindexes AT mmancini precipitationchangeinsouthernitalylinkedtoglobalscaleoscillationindexes |