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La variazione del “Coefficiente di Infiltrazione efficace Diretta” in funzione delle precipitazioni giornaliere: risultati sperimentali nella piana di Isernia (Molise)

January 2002

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University of Parma

A proposal for compiling quantitative hydrogeological maps

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Jun 2011

An innovative approach to hydrogeological mapping based on quantitative analysis is shown in this paper. It gives some cartographical solutions for an immediate evaluation of the groundwater resources and their spatial distribution. All relevant aquifers, springs and their regime, geological and structural setting and their hydraulic role should be shown in several understandable and clear hydrogeological maps where all hydrogeological information is reported in detail in the “Hydrogeological experimental Map” composed by a. “Hydrogeological Complexes and Natural Springs Map”, b. “Surface Hydrology Map”, c. “Conceptual Hydrogeological Model” and d. “Hydrogeological sections”. The cartographical solutions adopted for representing all these documents are proposed in this paper. Some graphical solutions have been proposed for improving the Italian official guidelines of hydrogeological mapping at scale 1:50.000, explain the legends symbols and illustrate the structure of a hydrogeological GIS database. An application of this approach has been carried out in north-western sector of Sibillini Mts. (Marche, Italy).

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Risultati sperimentali dell’utilizzo del raspo nella vinificazione del Pinot neroVersuchsergebnisse...

February 2025 · Laimburg Journal

Presso la cantina di microvinificazione del Centro di Sperimentazione Laimburg, nelle vendemmie dal 2018 al 2021 sono state condotte delle prove su Pinot nero circa l’impiego dei raspi durante la fermentazione in rosso. Nel 2018 e nel 2019 sono state previste due epoche di raccolta per valutare il livello di maturazione delle uve sull’effetto del raspo. Nelle due annate successive la ... [Show full abstract] sperimentazione si è concentrata invece su una sola vendemmia. Il disegno sperimentale prevedeva la comparazione di un testimone completamente diraspato (0% raspi) con tesi che prevedevano l’aggiunta di 25%, 50%, 100% e 200% di raspi. In tutte le casistiche si è osservato che la presenza dei raspi influiva sia sull’aspetto chimico che sensoriale. All’aumentare della percentuale impiegata, l’alcol e l’acidità totale diminuivano, mentre il pH aumentava. La concentrazione antocianica è rimasta pressoché invariata, l’estratto e i polifenoli totali sono aumentati. Alla degustazione, i vini con raspi dallo 0 al 50% mantenevano sentori fruttati, armonia e tipicità. Superata questa percentuale, le note di erbe aromatiche e cuoio emergevano in modo più marcato. Inoltre l’amaro e l’astringenza aumentavano. La presenza di raspi, in percentuali del 25% e talvolta del 50%, ha reso i vini più interessanti in quanto leggermente piú intensi di colore e piú tannici, mantenendo la tipicità e l‘armonia rispetto al testimone non addizionato.

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L'intermittenza delle sorgenti del Torbidone nella Piana di Norcia: analisi delle fonti storiche a p...

November 2017 · Rendiconti online della Società Geologica Italiana

In the Norcia plain (Umbria, Central Italy) the springs of Torbidone are characterized by a peculiar behavior, i.e. the periodical appearing and vanishing for years. The reasons of this peculiarity are not yet well defined. In the popular opinion, the springs has a periodicity of 7 years, at least until 1859 afterward the Norcia earthquake that was described in detail by Father Angelo Secchi, ... [Show full abstract] when started a more detailed collection of hydrologic data. Many authors described the prodigious of this springs and their periodically appearance. The first citations was in the half of XIV century by Fazio degli Uberti, that in his Dittamondo wrote about the seven years periodicity of the springs. Hereafter, many authors deal with this argument, whether by a scientific or juridical point of view. In recent time, some established a correlation between the seismicity of this part of the Central Apennine and these extraordinary springs; without a doubt, they re-appeared after the extremely intense seismic period that shaked this area in the August - October 2016. In fact, after these events the springs resurfaced again with a very high flow rate of about 1,500 l/s draining the Sibillini Mounts reservoir feed by the Castelluccio Plain hydrogeologic system. The springs disappeared after the 1979 Valnerina earthquake, evoking the correlation between the water flow and seismicity. To limit the increased water volume has been necessary to reshape the original fluvial bed reworked, over the time, by agriculture. This event highlight how the anthropization processes often forget the occurrence of natural events, even if they have short return times or a regular periodic. It is so necessary to understand that the historical research on the original bibliographic sources is essential to reconstruct in the right way the natural events effect, above all for those having a recurrent character.

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Significato paleoecologico e paleoclimatico di una malacofauna continentale pleistocenica dell'Itali...

January 1981

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Daniela Esu

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Notes on the ephemeral lake of Le Piane, near Isernia (Molise, Central Italy)

January 1999

Some trenches observed in the Le Piane area, NE of Isernia, at an height of approximately 456 m, have allowed to find the presence of lacustrine sediments deposited on the bed of an ephemeral lake. This lake has been present at least in two periods, previous to 4020±80 years BP the first one, more recent than 1560+70 years BP, the second. The lacustrine and alluvial sediments and the soils, has ... [Show full abstract] allowed to recognize the climatic and environmental evolution of the area. In particular, the formation of the ephemeral lake seems caused by the damming of its outlet by means of the sediments of an alluvial fan; its desappearance can be attributed to the erosion of the sill, caused by the same outlet, when the alluvial sedimentation on the Tremoricci fan ceased or reduced drastically. We recognized two phases of strong sediment load, more recent than 4020+80 years BP and 1560±70 years BP, produced by seasonal streams flowing to the Le Piane area, during two periods of morphological instability. The environmental variations correspond, also for their chronology, with those found in others places of the Central Apennines, in particular in the Abruzzi Apennines.