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Ben-Gurion University of the Negev Jacob Blaustein Institutes for ...

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12<br />

2.4 Groundwater resources in Sicily: Spatial Distribution<br />

The following two sections (§2.4 and §2.5) describe <strong>the</strong> main hydrological features <strong>of</strong><br />

<strong>the</strong> Sicilian aquifers. In<strong>for</strong>mation here ga<strong>the</strong>red is based on <strong>the</strong> reports provided in<br />

"Piano delle Acque in Sicilia" (CDEBTAS, 2007) and Brucculeri et al. (2002).<br />

The hydro-geological features <strong>of</strong> Sicilian aquifers (figure 6) are mostly characterized by<br />

pelitcs sediments with low permeability, consequently large areas are characterized by<br />

local and superficial aquifers <strong>of</strong> low extension and low potentiality <strong>for</strong> productive<br />

exploitation. These characteristics do not allow <strong>the</strong> existence <strong>of</strong> <strong>the</strong> underground<br />

aquifers, but only <strong>of</strong> local and relatively superficial aquifers, with limited extension and<br />

potentiality. The carbonatic hydro-geological structures, on <strong>the</strong> contrary, have good<br />

potentialitis <strong>for</strong> productive exploitation. Figure 5<br />

The permeable complexes, both <strong>for</strong> porosity and fissuration, are relevant from a<br />

hydrogeological point <strong>of</strong> view. These corresponds to <strong>the</strong> most important aquifers in<br />

terms <strong>of</strong> water productivity. Fig. 6 shows <strong>the</strong> spatial distribution <strong>of</strong> different aquifers.<br />

The aquifers comprised in <strong>the</strong> study area <strong>of</strong> this work can be ranked (by water<br />

productivity) as follows (Brucculeri et al. 2002).

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