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IJEGE 09 - Volume 01

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IJEGE 09 - Volume 01
IJEGE 09 - Volume 01
IJEGE 09 - Volume 01
IJEGE 09 - Volume 01
IJEGE 09 - Volume 01
This work underlines the importance of experimental data and integrates the hydrogeological mapping methods. The work has analyzed the lithological features of the outcropping rocks and their attitude to be crossed by the meteoric waters. Geologic-structural analysis has allowed to identify elements that can constitute the hydraulic barriers and the hydrogeological complexes that can contain the aquifers. A detailed analysis of base flow was carried out through hydrogeological survey directly performed in
IJEGE 09 - Volume 01
The study for the evaluation of the water resource still available in the basin of the Tiber River involved a thorough check of flow observation series, that resulted in a careful revision of stage-discharge relationships and the utilisation of a large amount of stream and spring flow measurements by other sources, in order to interpolate the information obtained in the flow measurement stations. The study was developed in three phases. First, the estimate of the distribution of natural low flow discharges
IJEGE 09 - Volume 01
The paper gives an overview of conceptual aspects associated with regional-scale hydrogeological maps and their coverage of the Italian area. Often, the contents of the captions accompanying plates are different from one another, depending on the aim that their authors pursue. But too often, the styles of the map legends are subjective. The introduction of Geographic Information Systems has permitted to create map products and databases, which can be easily updated. However, the use of these techniques affe
IJEGE 09 - Volume 01
BONI provided an important contribution to water resource management in the Tiber river basin, introducing a new perspective based on the deep knowledge of hydrogeological structures geometry, hydrogeological balance, surface-groundwater interaction processes and available/renewable resource ratio and gradually abandoning the ancient exploitation schemes, based on the indiscriminate abstraction of outcrops. The European Community legislation seems to be perfectly in line with BONI's theses and bright intu
IJEGE 09 - Volume 01
The Amelia Mountains, in Central Italy, are mainly made up by a set of limestone formations belonging to the Umbria-Marche, the Umbria-Romagnola Sequences and the Tuscan Units. A regional aquifer located in the Amelia Mountains drains towards the highdischarge, high-salinity Stifone-Nera Montoro springs. The piezometric data in the northern part of the system indicate an eastward flowpath, strictly related to the local geological and structural set up. During the 2006-2008 period some deep wells, located in
IJEGE 09 - Volume 01
This paper reports an outline of the conceptual model of flow in the carbonate unit formed by the Montea-Carpinoso Mountains (northern Calabria). The area is situated immediately to the north of the so-called "Sangineto line", which marks the interface between the Apennine chain carbonate domains and the crystalline-metamorphic units of the Calabrian Arc. Its consequent geological and tectonic evolution significantly influenced the surface hydrography and split up the groundwater flow. It is worth noting th
IJEGE 09 - Volume 01
At the present time the data regarding the behaviour of the main Lombard hydrogeological basins do not seem to be enough in order to deal with their management in a detailed manner, especially as regards to the recent gradual drying up of many springs, low discharge during dry months and perennial springs becoming seasonal that were reported all across the Italian Alps and Prealps; it's thus seemed useful to propose at first an arrangement of the dynamics of the Lombard hydrogeological systems based on the
IJEGE 09 - Volume 01
This paper condenses the results of around 25 years of hydrogeological researches performed by CARLO BONI and the Hydrogeology Laboratory of the Earth Science Department of University of Rome "La Sapienza", on the Umbria-Marchean domain. Research methodology is based on quantitative hydrogeology, in which geologic and hydrogeological setting of the area has been compared with spring discharge, to identify hydrogeological systems representing their recharge area, by definition of the role of the boun
IJEGE 09 - Volume 01
This paper deals with findings from hydrogeological investigations, which were conducted in the middle valley of the Velino River and in the S. Vittorino Plain from 1986 to 2008. These areas hold linear and localised springs with a total average discharge of over 26 m3/s. Measurements of stream and spring discharge, physico-chemical characterisation of waters, hydrochemical analysis of major ions, piezometric and monitoring surveys permitted to update the understanding of the various groups of springs and
IJEGE 09 - Volume 01
modelling experiences involving the carbonatic aquifer of Mt Coscerno and the alluvial aquifer of Petrignano d'Assisi. The aim is to highlight the principal differences and similarities in the application of mathematical models to carbonatic aquifers in mountain areas and to alluvial type aquifers resulting principally from the different availability of data. In the first case the hydrogeological balance, determined by field measurements, is usually known while direct observation of the piezometric surface
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