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  • 1
    Electronic Resource
    Electronic Resource
    Effluent Diffusion and Sediment Dispersion at Microtidal River Mouths, Predicted Using Mathematical Models
    Amsterdam : Elsevier
    Estuarine, Coastal and Shelf Science 38 (1994), S. 189-206 
    Details
    ISSN: 0272-7714
    Keywords: Greece ; deltas ; mathematical model ; river plumes ; sediment dispersion
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Geography , Geosciences
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1006/ecss.1994.1012
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  • 2
    Electronic Resource
    Electronic Resource
    Tsunamis in and near Greece and their relation to the earthquake focal mechanisms (1991)
    Springer
    Natural hazards 4 (1991), S. 161-170 
    Details
    ISSN: 1573-0840
    Keywords: Tsunami ; tsunami earthquake ; earthquake mechanism ; tsunamigenic zone ; Greece ; eastern Mediterranean
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography , Geosciences
    Notes: Abstract The major earthquake-induced tsunamis reliable known to have occurred in and near Greece since antiquity are considered in the light of the recently obtained reliable data on the mechanisms and focal depths of the earthquakes occurring here. (The earthquake data concern the major shocks of the period 1962–1986.) First, concise information is given on the most devastating tsunamis. Then the relation between the (estimated) maximum tsunami intensity and the earthquake parameters (mechanism and focal depth) is examined. It is revealed that the most devastating tsunamis took place in areas (such as the western part of the Corinthiakos Gulf, the Maliakos Gulf, and the southern Aegean Sea) where earthquakes are due to shallow normal faulting. Other major tsunamis were nucleated along the convex side of the Hellenic arc, characterized by shallow thrust earthquakes. It is probably somewhere there (most likely south of Crete) that the region's largest known tsunami occurred in AD 365, claiming many lives and causing extensive devastation in the entire eastern Mediterranean. Such big tsunamis seem to have a return period of well over 1000 years and can be generated by large shallow earthquakes associated with thrust faulting beneath the Hellenic trench, where the African plate subduces under the Euroasian plate. Lesser tsunamis are known in the northernmost part of the Aegean Sea and in the Sea of Marmara, where strike-slip faulting is observed. Finally, an attempt is made to combine the tsunami and earthquake data into a map of the region's main tsunamigenic zones (areas of the sea bed believed responsible for past tsunamis and expected to nucleate tsunamis in the future).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00162785
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  • 3
    Electronic Resource
    Electronic Resource
    Re-evaluation of minor events: The examples of the 1895 and 1909 Rome earthquakes (1993)
    Springer
    Natural hazards 7 (1993), S. 219-235 
    Details
    ISSN: 1573-0840
    Keywords: Rome ; local earthquakes ; vulnerability ; intensity estimation ; historical earthquakes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography , Geosciences
    Notes: Abstract The city of Rome is subjected to moderate seismic risk due to both local and external seismicity. Up to now, the maximum intensity felt has never exceeded VIII MCS. The 1 November 1895 (I o = VII) and 31 August 1909 (I o = VI) earthquakes demonstrate that small local events can also cause damage in a large old city. In the present work, we have re-evaluated the intensity values of those two events by means of automatic processing. A comparison between the present results with geological evidence and previous studies is shown, especially for the historical centre of Rome. For the first time, the 1909 earthquake instrumental magnitudeM L = 3.6 has been calculated from original recordings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00662648
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  • 4
    Electronic Resource
    Electronic Resource
    On the reliability of different methods of seismic hazard assessment in Greece (1990)
    Springer
    Natural hazards 3 (1990), S. 141-151 
    Details
    ISSN: 1573-0840
    Keywords: Seismic hazard ; macroseismic intensity ; seismic zonation ; ‘mean value’ method ; Cornell's method ; Greece
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography , Geosciences
    Notes: Abstract Historical and present century instrumental data have been used to determine seismic hazard in 35 sites of Greece by the application of Cornell's method (Cornell, 1968) and the ‘mean value’ method. The macroseismic intensity has been considered as a measure of seismic hazard. Comparison of the results of the two methods showed that, in general, the ‘mean value’ method gives higher values, particularly for low probabilities of exceedance. In addition, for some sites, the differences of the expected intensities resulting from the two methods, indicate that finer tuning of the seismogenic souce model is required, or suggest time dependence. Although each one of these methods has its own merits, the method based on seismic zonation (Cornell's method) has several advantages and must be preferred when an accurate zonation is possible by the use of macroseismic and instrumental seismic data, together with geological and geomorphological information. However, reliable estimates of seismic hazard at a particular site require work on a microzoning scale, incorporating historical, archaeological, and recent geological data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00140428
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  • 5
    Electronic Resource
    Electronic Resource
    GIS Techniques for Mapping Groundwater Contamination Risk (1999)
    Springer
    Natural hazards 20 (1999), S. 279-294 
    Details
    ISSN: 1573-0840
    Keywords: risk assessment ; groundwater contamination ; vulnerability ; GIS ; hazard ; economic ; value
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography , Geosciences
    Notes: Abstract The groundwater contamination risk map of a samplealluvial area was produced by using the IlwisGeographical Information System (GIS) to construct andto overlay thematic maps. The risk map has beenderived from the vulnerability map, the hazard map,where the potential contaminating sources wereidentified, and the socio-economic value of thegroundwater resource, represented by the wells. Thegroundwater quality map allowed thereliability of hazard and risk maps to be tested. The final map shows interesting results and stressesthe need for the GIS to test and improve on thegroundwater contamination risk assessment methods.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008192919933
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  • 6
    Electronic Resource
    Electronic Resource
    Intensity Distribution and Neotectonic Macrostructure Pyrgos Earthquake Data (26 March 1993, Greece) (2000)
    Springer
    Natural hazards 21 (2000), S. 19-33 
    Details
    ISSN: 1573-0840
    Keywords: Pyrgos earthquake ; Greece ; intensity distribution ; neotectonic macrostructure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography , Geosciences
    Notes: Abstract We present a number of data for the Pyrgos (W.Peloponnessos, Greece), which took place on 26 March1993 and caused considerable damage in the town ofPyrgos and the surrounding area. The local geologicaland neotectonic conditions are also outlined; they aremainly characterized by complex stratigraphicstructure and outcrop pattern, together with a largenumber of large active fault zones and/or isolatedfaults. The detailed damage recording in themeizoseismal area, which was based on the EMS-92,showed significant differentiation of damage from oneurban unit to another, regardless of the foundationformation. The correlation of the existing dataconfirmed the decisive impact of faults and fault zoneon intensity distributions. It was also clear that,the larger a fault zone, the greater was thedifference in intensity across that structure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008153620842
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  • 7
    Electronic Resource
    Electronic Resource
    A Modern Technique for the Retrieval andProcessing of Historical Seismograms in Greece (2000)
    Springer
    Natural hazards 21 (2000), S. 55-64 
    Details
    ISSN: 1573-0840
    Keywords: historical seismograms ; digitization ; Greece
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography , Geosciences
    Notes: Abstract A brief history of operation of the mechanicalseismographs in Greece and the application of atechnique for converting analog seismograms to digitaltraces in a form suitable for further processing orarchiving are presented in this study. A short historyabout the installation of mechanical seismographs inGreece, the characteristics of these instruments, areference on the usage of historical records, as wellas a presentation of the procedure followed from theidentification of the record to the archiving it as adigital file have been included.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008101329718
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  • 8
    Electronic Resource
    Electronic Resource
    Geological and Historical Investigation of the 1650 Mt. Columbo (Thera Island) Eruption and Tsunami, Aegean Sea, Greece (2000)
    Springer
    Natural hazards 21 (2000), S. 83-96 
    Details
    ISSN: 1573-0840
    Keywords: eruption ; tsunami ; sediments ; magnitude assessment ; Thera ; Greece
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography , Geosciences
    Notes: Abstract This paper reviews geological andhistorical evidence for the eruption and tsunamireported to have occurred in 1650 in the areaof Mt. Columbo, Thera Island, Greece. The tsunami isbelieved to have been generated as a consequence ofthe eruption of Mt. Columbo 6.5 km NE of Thera Island.Historical documents state that the tsunami flooded upto 2 miles inland and destroyed many engineeredstructures. We present lithostratigraphic evidencefrom one abandoned trench and two trench excavationsclose to sea level in the villages of Kamari andPerissa respectively, which lie well within thereported inundation zone of the tsunami. The resultspresented show that no marine- (tsunami) depositedsediments are preserved at these locations.Alternative hypotheses of discontinuous sedimentdeposition and over estimation of the event magnitudeare considered to explain the observations presentedhere. The data may have important implications for thedevelopment of hazard zone maps, risk assessment,vulnerability reduction and for emergency managementofficials.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008178100633
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  • 9
    Electronic Resource
    Electronic Resource
    Heat stress in Greece (1997)
    Springer
    International journal of biometeorology 41 (1997), S. 34-39 
    Details
    ISSN: 1432-1254
    Keywords: Key words Heat stress ; Predicted mean vote ; Greece ; Bioclimatic maps
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Notes: Abstract  For 12 selected synoptic stations of the Greek Weather Service, the daily 12 UTC values of the thermal index Predicted Mean Vote (PMV) were calculated for the years 1980 to 1989. The locally varied occurrence of diverse thermal sensation and particularly of strong heat stress were analysed in relation to the human-biometeorological significance. With the help of a statistical model, PMV values of individual stations were transformed into a high-resolution bioclimatic map. The map presents the average annual number of days with at least strong heat stress (PMV〉3.0).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004840050051
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  • 10
    Electronic Resource
    Electronic Resource
    Can systems dominated by asphodels be considered as semi-deserts? (1988)
    Springer
    International journal of biometeorology 32 (1988), S. 87-91 
    Details
    ISSN: 1432-1254
    Keywords: Asphodelus ; Desertification ; Greece
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Notes: Abstract Evidence is given using seven morphological and physiological criteria that theAsphodelus microcarpus system in Thessaly (Central Greece) is a desertified system. Deserts occur not only because of climatic factors but also because of their combination with mismanagement schemes. In Thessaly, as in many other regions in Greece dominated byA. microcarpus, desertification is the result of anthropogenic factors such as overgrazing and high frequency of fires.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01044899
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