Search results for " hydrogeology"
showing 3 items of 3 documents
Geological, hydrogeological and geochemical characterization of aquifers in coastal areas (Ragusa-Donnalucata Area, Sicily, Italy)
2005
Carbonate groundwater systems hosted in coastal areas are of particular concern, for multi-fold reasons. First, in Sicily - as in many other islands – coastal areas are the most densely populated: this increase of anthropogenic pressure considerably raises the potential risks of groundwater contamination. This is even more dangerous considering the fact that groundwater is often the main source of potable water for coastal communities, especially since rivers and ponds near the shore are brackish. Secondly, coastal areas are the sites of potential interactions between the groundwater systems and seawater, the morphology and the location of this interface being a complex function, of groundw…
Global Coastal Permeability database (GCPdb)
2023
The Global Coastal Permeability Database contains both the input and output data of the Global Coastal Permeability Model developed by Tschaikowski et al. (2023) and available at DOI: 10.5281/zenodo.7845568. The model is implemented in R and calculates the coastal permeability for each shoreline segment of the global shoreline vector created by Sayre et al. (2019) with a 30-meter resolution and covering a spatial extent of 180.0°W to 180.0°E longitude and 60.8°S to 83.7°N latitude. The coastline is separated into three sections (A: coastal aquifer section, B: shoreline section, C: shallow section), and permeability values and ranges are provided for each section. Permeability values were de…
Qanāts and historical irrigated landscapes in Palermo’s suburban area (Sicily)
2020
La città di Palermo e la sua valle circostante sono un importante paesaggio storico irriguo, caratterizzato da strutture idrauliche sotterranee e da una lunga tradizione di sistemi di irrigazione ereditati dalla presenza islamica in Sicilia nel medioevo (IX-XI secolo). La “rivo- luzione verde” islamica ha radicalmente innovato i sistemi di irrigazione siciliani e questo portò all’introduzione e alla diffusione di nuove specie coltivate. Nell’area suburbana di Pa- lermo sono stati indagati 63 infrastrutture idrauliche e tunnel di scolo, classificati in 4 ca- tegorie: 1) qanāts; 2) qanāts ciechi; 3) pozzi collegati; 4) gallerie di scolo emergenti. Que- ste strutture, nonostante alcuni dubbi c…