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  • 03. Hydrosphere::03.02. Hydrology::03.02.04. Measurements and monitoring  (1)
  • Greece
  • Springer Science+Business Media B.V.  (2)
  • American Association of Petroleum Geologists (AAPG)
  • American Institute of Physics (AIP)
  • 2010-2014  (2)
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  • 2010-2014  (2)
Year
  • 1
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    Unknown
    Preliminary gas hazard evaluation in Greece (2013)
    Springer Science+Business Media B.V.
    Details
    Publication Date: 2017-04-04
    Description: Like other geodynamically active areas, Greece is also affected by a large number of geogenic gas manifestations. These occur either in the form of point sources (fumaroles, mofettes, bubbling gases) or as diffuse soil gas emanations. Geogenic sources release huge amounts of gases, which, apart from having important influences on the global climate, could also have a strong impact on human health. Gases have both acute and chronic effects. Carbon dioxide (CO2) and hydrogen sulphide are the main gases responsible for acute mortality due to their asphyxiating and/or toxic properties. Methane instead represents a risk for its explosive properties. Gas hazards are often disregarded because in fatal episodes connected to geogenic gases, the cause of death is often not correctly identified. Due to the fact that geodynamically active areas can release geogenic gases for millions of years over wide areas, it is important to realistically estimate potential risks. The present work produced a first catalogue of the geogenic gas manifestations of the whole Greek territory including relevant literature data. A preliminary estimation of the correlated risk has been made for the time period of the last 20 years considering the whole population of Greece. In this period, at least two fatal episodes with a total of three victims are likely due to exposure to geogenic gases (specifically CO2). This would give a risk of 1.3 9 10-8 fatality from geogenic gas manifestations per annum. This value, although probably underestimated, is much lower than most other natural or anthropogenic risks.
    Description: Published
    Description: 1987–2004
    Description: 4.5. Studi sul degassamento naturale e sui gas petroliferi
    Description: JCR Journal
    Description: restricted
    Keywords: Greece ; gas chemistry ; gas manifestations ; Geogenic gas risk ; 04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistry ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases ; 04. Solid Earth::04.08. Volcanology::04.08.08. Volcanic risk
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 2
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    Unknown
    Nitrate, sulphate and chloride contents in public drinking-water supplies in Sicily, Italy (2012)
    Springer Science+Business Media B.V.
    Details
    Publication Date: 2017-04-03
    Description: Water samples collected from public drinking-water supplies in Sicily were analysed for electric conductivity and for their chloride, sulphate and nitrate contents. The samples were collected as uniformly as possible from throughout the Sicilian territory, with an average sampling density of about 1 sample for every 7600 inhabitants. Chloride contents that ranged from 5.53 to 1302 mg/l were correlated strongly with the electric conductivity, a parameter used as a proxy for water salinity. The highest values are attributable to seawater contamination along the coasts of the island. High chloride and sulphate values attributable to evaporitic rock dissolution were found in the central part of Sicily. The nitrate concentrations ranged from 0.05 to 296 mg/l, with 31 samples (4.7% of the total) exceeding the maximum admissible concentration of 50 mg/l. Anomalous samples always came from areas of intensive agricultural usage, indicating a clear anthropogenic origin. The same parameters were also measured in bottled water sold in Sicily, and they all were within the ranges for public drinking-water supplies. The calculated mean nitrate intake from consuming public water supplies (16.1 mg/l) did not differ significantly from that of bottled water (15.2 mg/l). Although the quality of public water supplies needs to be improved by eliminating those that do not comply with the current drinking-water limits, at present it does not justify the high consumption of bottled water (at least for nitrate contents).
    Description: Published
    Description: 2845–2855
    Description: 4.4. Scenari e mitigazione del rischio ambientale
    Description: JCR Journal
    Description: restricted
    Keywords: public water supplies ; nitrate ; sulphate ; chloride ; Sicily ; 03. Hydrosphere::03.02. Hydrology::03.02.04. Measurements and monitoring ; 03. Hydrosphere::03.02. Hydrology::03.02.06. Water resources ; 03. Hydrosphere::03.04. Chemical and biological::03.04.03. Chemistry of waters
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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    PAPER (OA)
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