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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/2527

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Title: Isotopic composition of meteoric water in Sicily
Authors: Liotta, M.*
Keywords: isotopic composition
Issue Date: 20-Sep-2007
Abstract: The isotopic composition of meteoric water in Sicily (Italy,) was investigated from May 2004 until Jun 2006; a rain gauge network (50 sites) was installed and sampled monthly. During this same period most of the circulating groundwater in the investigated area was sampled from more than 560 springs and wells related to the main aquifers. The mean weighted precipitation values were used to define the weighted local meteoric water line (WLMWL) for several sectors of Sicily. The use of GIS tools, coupled with isotopic vertical gradients, allowed us to design an isotopic contour map of precipitation in Sicily. The defined meteoric compositions fitted well with most of the groundwater samples for each sector. However, in some areas fractionation processes occurring during and after rainfall, slightly modified the isotopic composition of the groundwater
Description: Poster
URI: http://hdl.handle.net/2122/2527
URL: http://www-naweb.iaea.org/napc/ih/document/IHS_Symposium/IAEA-CN-151-67-liotta.pdf
Appears in Collections:02.03.06. Precipitation
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  • Liotta, M., R. Favara, and M. Valenza (2006). Isotopic composition of the precipitations in the central Mediterranean: Origin marks and orographic precipitation effects. Journal of Geophysical Research 111(D19): doi: 10.1029/2005JD006818. issn: 0148-0227.
  • Liotta, M., L. Brusca, F. Grassa, S. Inguaggiato, M. Longo, and P. Madonia (2006). Geochemist ry of rainfall at Stromboli volcano (Aeolian Islands): Isotopic composition and plume-rain interaction. Geochemistry, Geophysics, Geosystems 7(7): doi: 10.1029/2006GC001288. issn: 1525-2027.
  • Favara R., E. Gagliano Candela, S. Inguaggiato, G. Pecoraino (2005) - The isotopic composition of precipitation and groundwater at Pantelleria Island (Italy). 8th International Conference on Gas Geochemistry, ICGG8, Palermo & Milazzo, Italy 2th-8th October 2005, poster section, abstr. Book pg 33.
  • D’Alessandro, W., C. Federico, M. Longo and F. Parello (2004). Oxygen isotope composition of natural waters in the Mt. Etna area, J. Hydrol., 296, 1-4, 282-299.
  • Grassa, F., R. Favara, M. Valenza (2006). Moisture source in the Hyblean Mountains region (south-eastern Sicily, Italy): Evidence from stable isotopes signature Applied Geochemistry Volume: 21, Issue: 12, December, 2006, pp. 2082-2095
  • Bolle, H.-J., (2003)., Mediterranean Climate: Variability and Trends, Springer-Verlag, Berlin.
  • Longinelli, A., and E. Selmo (2003), Isotopic composition of precipitation in Italy: A first overall map, J. Hydrol., 270, 75–88.
  • Poage, M. A., and C. P. Chamberlain (2001), Empirical relationships between elevation and the stable isotope composition of precipitation and surface waters: Considerations for studies of paleoelevation change, Am. J. Sci., 301, 1–15.

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