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  • 04. Solid Earth::04.08. Volcanology::04.08.01. Gases
  • Earthquake risk
  • Romania
  • Springer  (56)
  • Wabern : Federal Office of Topography, Swiss Geological Survey
  • 1
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    Springer Nature | Springer
    Publication Date: 2024-03-29
    Description: This open access book presents an actor-centered study on Europeanization, based on the assumption that EU-driven reforms are highly dependent on the behavior and interests of the key domestic actors. Whether or not a state pursues a European and democratic agenda depends on domestic lawmakers. Further, political elites are pre-eminent in deciding on the nature, form and content of any law, and on the extent to which the rule of law is actually enforced. Elites can overcome structural or institutional barriers that stand in the way of achieving their goals. The empirical study on Romania presented here lends this observation a more profound meaning: it shows how, in contexts where high level corruption is the norm rather than the exception, self-serving political elites cannot be expected to genuinely commit to adopting sound anti-corruption reform. The book is an inquiry into the motivations that drive legislators to make particular decisions, but also into the structural characteristics and dynamics of the elite that invite a selfish rather than responsible and responsive behaviour. This publication was supported by funds from the Publication Fund for Open Access Monographs of the Federal State of Brandenburg, Germany.
    Keywords: Europeanization ; Romania ; European Union ; EU ; post-accession conditionality ; Central and Eastern Europe ; political elite ; corruption ; justice reform ; civil society empowerment ; European Union Politics ; Russian and Post-Soviet Politics ; bic Book Industry Communication::J Society & social sciences::JP Politics & government ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPB Comparative politics ; bic Book Industry Communication::J Society & social sciences::JH Sociology & anthropology::JHB Sociology ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPP Public administration ; bic Book Industry Communication::K Economics, finance, business & management::KC Economics ; thema EDItEUR::J Society and Social Sciences::JP Politics and government ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPB Comparative politics ; thema EDItEUR::J Society and Social Sciences::JH Sociology and anthropology::JHB Sociology ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPP Public administration ; thema EDItEUR::K Economics, Finance, Business and Management::KC Economics
    Language: English
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  • 2
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    Springer Nature | Springer
    Publication Date: 2024-03-29
    Description: This is the first volume to offer an in-depth look at (lethal) violence in the Balkans. The Balkans Homicide Study analyses 3,000 (attempted) homicide cases from Croatia, Hungary, Kosovo, Macedonia, Romania and Slovenia. Shedding light on a region long neglected in terms of empirical violence research, the study at hand asks: - What types of homicides occur in the Balkans? - Who are the perpetrators and what motivates them? - Who are the victims and what potential protective factors are on their side? - Why do prosecutors dismiss homicide investigations? Amongst other questions and considerations, this brief discusses regional commonalities throughout the Balkans in view of their cultural,historical and normative context. Dismantling negative stereotypes of a growing and thriving Balkan society, this volume will be of interest to researchers in the Balkans, researchers of post-conflict regions, and those interested in the nature of homicide and its motivation, prevention, and various criminal justice approaches.
    Keywords: violence ; homicide ; Balkans ; Balkan criminology ; Balkans homicide study ; european homicide research ; lethal violence ; Croatia ; Slovenia ; Hungary ; Romania ; Kosovo ; Macedonia ; bic Book Industry Communication::J Society & social sciences::JK Social services & welfare, criminology::JKV Crime & criminology ; bic Book Industry Communication::J Society & social sciences::JK Social services & welfare, criminology::JKV Crime & criminology::JKVC Causes & prevention of crime ; thema EDItEUR::J Society and Social Sciences::JK Social services and welfare, criminology::JKV Crime and criminology ; thema EDItEUR::J Society and Social Sciences::JK Social services and welfare, criminology::JKV Crime and criminology::JKVC Causes and prevention of crime
    Language: English
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  • 3
    Publication Date: 2017-04-04
    Description: Here, we report the first continuous data of geochemical parameters acquired directly from the active summit crater of Vulcano. This approach provides a means to better investigate deep geochemical processes associated with the degassing system of Vulcano Island. In particular, we report on soil CO2 fluxes from the upper part of Vulcano, a closed-conduit volcano, from September 2007 to October 2010. Large variations in the soil CO2 and plume SO2 fluxes (order of magnitude), coinciding with other discontinuous geochemical parameters (CO2 concentrations in fumarole gas) and physical parameters (increase of shallow seismic activity and fumarole temperatures) have been recorded. The results from this work suggest new prospects for strengthening geochemical monitoring of volcanic activity and for improving the constraints in the construction of a “geochemical model”, this being a necessary condition to better understand the functioning of volcanic systems.
    Description: Published
    Description: 1859-1863
    Description: 2V. Dinamiche di unrest e scenari pre-eruttivi
    Description: 4V. Vulcani e ambiente
    Description: 5V. Sorveglianza vulcanica ed emergenze
    Description: 1R. Reti di monitoraggio e Osservazioni
    Description: JCR Journal
    Description: restricted
    Keywords: Vulcano Island ; Geochemical monitoring ; CO2 flux ; CO2 fumaroles ; SO2 flux ; 01. Atmosphere::01.01. Atmosphere::01.01.07. Volcanic effects ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring ; 04. Solid Earth::04.08. Volcanology::04.08.08. Volcanic risk ; 05. General::05.02. Data dissemination::05.02.01. Geochemical data
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 4
    Publication Date: 2017-04-04
    Description: Seismic activity, ground deformation, and soil and fumarole temperatures acquired during 2004–2007 at Vulcano (Aeolian Islands) are analysed and the time relations among the different time series are discussed. Changes in temperature of fumarolic gases took place during four ‘‘anomalous’’ periods (November 2004–March 2005; October 2005–February 2006; August–October 2006; July–December 2007) at the same time as an increasing number of volcano-seismic events. In particular, the temperatures at high temperature vents and at steam heated soil ranged in time from 180 to 440 C and from 20 to 90 C, respectively. The maximum daily number of volcano-seismic events was 57, reached during the second anomalous period. This seismicity, characterised by focal depth generally lower than 1 km below sea level (b.s.l.) and composed of different kinds of events associated to both resonance and shear failure processes, is related to the shallow dynamics of the hydrothermal system. During the analysed period, very few volcano-tectonic earthquakes took place and tilt recordings showed no sharp or important changes. In light of such observations, the increases in both temperature and volcano-seismic events number were associated to increases in the release of gas from a deep and stable magma body, without magma intrusions within the shallow hydrothermal system. Indeed, a greater release of gas from depth leads to increased fluid circulation, that can promote increases in volcano-seismic events number by both fracturing processes and resonance and vibration in cracks and conduits. The different trends observed in the measured geochemical and geophysical series during the anomalous periods can be due to either time changes in the medium permeability or a changing speed of gas release from a deep magma body. Finally, all the observed variations, together with the changing temporal distribution of the different seismic event kinds, suggest that the hydrothermal system at Vulcano can be considered unsteady and dynamic.
    Description: Published
    Description: 167–182
    Description: 1.5. TTC - Sorveglianza dell'attività eruttiva dei vulcani
    Description: JCR Journal
    Description: reserved
    Keywords: Volcano seismolog ; soil and fumarole temperatures ; tilt data ; hydrothermal system ; Vulcano Island ; volcanic unrest ; 04. Solid Earth::04.06. Seismology::04.06.08. Volcano seismology ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 5
    Publication Date: 2017-04-04
    Description: Active volcanoes are thought to be important contributors to the atmospheric mercury (Hg) budget, and this chemical element is one of the most harmful atmospheric pollutants, owing to its high toxicity and long residence time in ecosystems. There is, however, considerable uncertainty over the magnitude of the global volcanic Hg flux, since the existing data on volcanogenic Hg emissions are sparse and often ambiguous. In an attempt to extend the currently limited dataset on volcanogenic Hg emissions, we summarize the results of Hg flux measurements at seven active open-conduit volcanoes; Stromboli, Asama, Miyakejima, Montserrat, Ambrym, Yasur, and Nyiragongo.. Data from the domebuilding Soufriere Hills volcano are also reported. Using our determined mercury to SO2 mass ratios in tandem with the simultaneously-determined SO2 emission rates, we estimate that the 7 volcanoes have Hg emission rates ranging from 0.2 to 18 t yr-1 (corresponding to a total Hg flux of ~41 t·yr-1). Based on our dataset and previous work, we propose that a Hg/SO2 plume ratio ~10-5 is bestrepresentative of gas emissions from quiescent degassing volcanoes. Using this ratio, we infer a global volcanic Hg flux from persistent degassing of ~95 t·yr-1
    Description: Published
    Description: 497-510
    Description: 1.2. TTC - Sorveglianza geochimica delle aree vulcaniche attive
    Description: 2.4. TTC - Laboratori di geochimica dei fluidi
    Description: JCR Journal
    Description: restricted
    Keywords: Volcanogenic mercury ; Mercury ; Volcanic plume ; Mercury flux ; Mercury inventories ; Atmospheric mercury ; 01. Atmosphere::01.01. Atmosphere::01.01.07. Volcanic effects ; 04. Solid Earth::04.02. Exploration geophysics::04.02.01. Geochemical exploration ; 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::04.08.06. Volcano monitoring
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 6
    Publication Date: 2017-04-04
    Description: During 2007–2008, three CO2 flux surveys were performed on El Chichón volcanic lake, Chiapas, Mexico, with an additional survey in April 2008 covering the entire crater floor (including the lake). The mean CO2 flux calculated by sequential Gaussian simulation from the lake was 1,190 (March 2007), 730 (December 2007) and 1,134 g m−2 day−1 (April 2008) with total emission rates of 164±9.5 (March 2007), 59±2.5 (December 2007) and 109±6.6 t day−1 (April 2008). The mean CO2 flux estimated from the entire crater floor area was 1,102 g m−2 day−1 for April 2008 with a total emission rate of 144±5.9 t day−1. Significant change in CO2 flux was not detected during the period of survey, and the mapping of the CO2 flux highlighted lineaments reflecting the main local and regional tectonic patterns. The 3He/4He ratio (as high as 8.1 RA) for gases in the El Chichón crater is generally higher than those observed at the neighbouring Transmexican Volcanic Belt and the Central American Volcanic Arc. The CO2/3He ratios for the high 3He/4He gases tend to have the MORB-like values (1.41×109), and the CO2/3He ratios for the lower 3He/4He gases fall within the range for the arc-type gases. The high 3He/4He ratios, the MORB-like CO2/3He ratios for the high 3He/4He gases and high proportion of MORB-CO2 (M=25 ±15%) at El Chichón indicate a greater depth for the generation of magma when compared to typical arc volcanoes.
    Description: Published
    Description: 423-441
    Description: 2.4. TTC - Laboratori di geochimica dei fluidi
    Description: JCR Journal
    Description: reserved
    Keywords: El Chichon ; CO2 soil flux ; Crater Lake ; Gas geochemistry ; He-C isotopes ; Fumarolic and bubbling gases ; Tectonics ; 04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistry ; 04. Solid Earth::04.05. Geomagnetism::04.05.08. Instruments and techniques ; 04. Solid Earth::04.06. Seismology::04.06.06. Surveys, measurements, and monitoring ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring ; 05. General::05.02. Data dissemination::05.02.01. Geochemical data
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  • 7
    Publication Date: 2020-02-24
    Description: On 27 February 2007, a new eruption occurred on Stromboli which lasted until 2 April. It was characterized by effusive activity on the Sciara del Fuoco and by a paroxysmal event (15 March). This crisis represented an opportunity for us to refine the model that had been developed previously (2002-2003 eruption) and to improve our understanding of the relationship between the magmatic dynamics of the volcano and the geochemical variations in the fluids. In particular, the evaluation of the dynamic equilibrium between the volatiles (CO2 and SO2) released from the magma and the corresponding fluids discharged from the summit area allowed us to evaluate the level of criticality of the volcanic activity. One of the major accomplishments of this study is a four-year database of summit soil CO2 flux on the basis of which we define the thresholds (Low-Medium-High) for this parameter that are empirically based on the natural volcanological evolution of Stromboli. The SO2 fluxes of the degassing plume and the CO2 fluxes emitted from the soil at Pizzo Sopra la Fossa are also presented. Noteworthy geochemical signals of volcanic unrest have been clearly identified before, during, and after the effusive activity. These signals were found almost simultaneously in the degassing plume (SO2 flux) and in soil degassing (CO2 flux) at the summit, although the two degassing processes are shown to be clearly different. The interpretation of the results will be useful for future volcanic surveillance at Stromboli.
    Description: In press
    Description: 2.4. TTC - Laboratori di geochimica dei fluidi
    Description: JCR Journal
    Description: reserved
    Keywords: Stromboli Volcano ; CO2 soil flux ; Geochemical monitoring ; 2007 eruption ; 04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistry ; 04. Solid Earth::04.06. Seismology::04.06.10. Instruments and techniques ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring
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  • 8
    Publication Date: 2017-04-04
    Description: We describe analytical details and uncertainty evaluation of a simple technique for the measurement of the carbon isotopic composition of CO2 in volcanic plumes. Data collected at Solfatara and Vulcano, where plumes are fed by fumaroles which are accessible for direct sampling, were first used to validate the technique. For both volcanoes, the plume-derived carbon isotopic compositions are in good agreement with the fumarolic compositions, thus providing confidence on the method, and allowing its application at volcanoes where the volcanic component is inaccessible to direct sampling. As a notable example, we applied the same method to Mount Etna where we derived a δ13C of volcanic CO2 between −0.9±0.27‰ and −1.41± 0.27‰ (Bocca Nuova and Voragine craters). The comparison of our measurements to data reported in previous work values of Etna CO2 from~ −4‰, in the 1970’s and the 1980’s, to~ −1‰ at the present time (2009). This shift toward more positive δ13C values matches a concurrent change in magma composition and an increase in the eruption frequency and energy. We discuss such variations in terms of two possible processes: magma carbonate assimilation and carbon isotopic fractionation due to magma degassing along the Etna plumbing system. Finally, our results highlight potential of systematic measurements of the carbon isotopic composition of the CO2 emitted by volcanic plumes for a better understanding of volcanic processes and for improved surveillance of volcanic activity.
    Description: Published
    Description: 531-542
    Description: 2.4. TTC - Laboratori di geochimica dei fluidi
    Description: JCR Journal
    Description: restricted
    Keywords: Volcanic plume ; Carbon isotope ; Etna ; Magmatic degassing ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 9
    Publication Date: 2017-04-04
    Description: We describe analytical details and uncertainty evaluation of a simple technique for the measurement of the carbon isotopic composition of CO2 in volcanic plumes. Data collected at Solfatara and Vulcano, where plumes are fed by fumaroles which are accessible for direct sampling, were first used to validate the technique. For both volcanoes, the plume-derived carbon isotopic compositions are in good agreement with the fumarolic compositions, thus providing confidence on the method, and allowing its application at volcanoes where the volcanic component is inaccessible to direct sampling. As a notable example, we applied the same method to Mount Etna where we derived a δ13C of volcanic CO2 between −0.9 ± 0.27‰ and −1.41 ± 0.27‰ (Bocca Nuova and Voragine craters). The comparison of our measurements to data reported in previous work highlights a temporal trend of systematic increase of δ13C values of Etna CO2 from ~ −4‰, in the 1970’s and the 1980’s, to ~ −1‰ at the present time (2009). This shift toward more positive δ13C values matches a concurrent change in magma composition and an increase in the eruption frequency and energy. We discuss such variations in terms of two possible processes: magma carbonate assimilation and carbon isotopic fractionation due to magma degassing along the Etna plumbing system. Finally, our results highlight potential of systematic measurements of the carbon isotopic composition of the CO2 emitted by volcanic plumes for a better understanding of volcanic processes and for improved surveillance of volcanic activity.
    Description: In press
    Description: 1.2. TTC - Sorveglianza geochimica delle aree vulcaniche attive
    Description: 2.4. TTC - Laboratori di geochimica dei fluidi
    Description: JCR Journal
    Description: reserved
    Keywords: Volcanic plume ; Carbon isotope ; Etna ; Magmatic degassing ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring ; 04. Solid Earth::04.08. Volcanology::04.08.07. Instruments and techniques
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  • 10
    Publication Date: 2017-04-04
    Description: Volcanic and geothermal areas are one of the major natural sources of H2S to the atmosphere. Its environmental impact is often the main cause of the opposition to the development of geothermal energy exploitation programs. In this paper we analyze the air concentrations and dispersion pattern of naturally emitted H2S at the geothermal area of Sousaki (Corinthia, Greece). Measurements, made with a network of passive samplers, evidence a rapid decrease of concentration values away from the emission points. The fact that the decrease is more pronounced in the summer with respect to the winter indicates that it is not only due to a dilution effect, but also to redox reactions favoured by higher temperatures and intense sunlight typical of the summer period.
    Description: Published
    Description: 1723-1728
    Description: 1.2. TTC - Sorveglianza geochimica delle aree vulcaniche attive
    Description: JCR Journal
    Description: reserved
    Keywords: Hydrogen sulphide ; Environmental impact of volcanic activity ; Gas hazard ; Passive samplers ; 01. Atmosphere::01.01. Atmosphere::01.01.03. Pollution ; 01. Atmosphere::01.01. Atmosphere::01.01.07. Volcanic effects ; 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
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  • 11
    Publication Date: 2017-04-04
    Description: This study presents baseline data for future geochemical monitoring of the active Tacaná volcano–hydrothermal system (Mexico–Guatemala). Seven groups of thermal springs, related to a NW/SE-oriented fault scarp cutting the summit area (4,100m a.s.l.), discharge at the northwest foot of the volcano (1,500–2,000m a.s.l.); another one on the southern ends of Tacaná (La Calera). The near-neutral (pH from 5.8 to 6.9) thermal (T from 25.7°C to 63.0°C) HCO3–SO4 waters are thought to have formed by the absorption of a H2S/SO2–CO2-enriched steam into a Cl-rich geothermal aquifer, afterwards mixed by Na/HCO3-enriched meteoric waters originating from the higher elevations of the volcano as stated by the isotopic composition (δD and δ18O) of meteoric and spring waters. Boiling temperature fumaroles (89°C at~3,600m a.s.l. NW of the summit), formed after the May 1986 phreatic explosion, emit isotopically light vapour (δD and δ18O as low as −128 and −19.9‰, respectively) resulting from steam separation from the summit aquifer. Fumarolic as well as bubbling gases at five springs are CO2-dominated. The δ13CCO2 for all gases show typical magmatic values of −3.6 ± 1.3‰ vs V-PDB. The large range in 3He/4He ratios for bubbling, dissolved and fumarolic gases [from 1.3 to 6.9 atmospheric 3He/4He ratio (RA)] is ascribed to a different degree of near-surface boiling processes inside a heterogeneous aquifer at the contact between the volcanic edifice and the crystalline basement (4He source). Tacaná volcano offers a unique opportunity to give insight into shallow hydrothermal and deep magmatic processes affecting the CO2/3He ratio of gases: bubbling springs with lower gas/water ratios show higher 3He/4He ratios and consequently lower CO2/3He ratios (e.g. Zarco spring). Typical Central American CO2/3He and 3He/4He ratios are found for the fumarolic Agua Caliente and Zarco gases (3.1 ± 1.6 × 1010 and 6.0 ± 0.9 RA, respectively). The L/S (5.9 ± 0.5)and (L + S)/M ratios (9.2 ± 0.7) for the same gases are almost identical to the ones calculated for gases in El Salvador, suggesting an enhanced slab contribution as far as the northern extreme of the Central American Volcanic Arc,Tacana
    Description: In press
    Description: 1.2. TTC - Sorveglianza geochimica delle aree vulcaniche attive
    Description: 2.4. TTC - Laboratori di geochimica dei fluidi
    Description: JCR Journal
    Description: reserved
    Keywords: Tacaná volcano ; Fluid geochemistry ; Volcano–hydrothermal system ; Bubbling gases ; Fumaroles ; Isotopes ; Volcanic surveillance ; 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::04.08.06. Volcano monitoring ; 05. General::05.02. Data dissemination::05.02.01. Geochemical data
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  • 12
    Publication Date: 2017-04-04
    Description: Fluorine is one of the many environmental harmful elements released by volcanic activity. The content of total, oxalate extractable and water extractable fluorine was determined in 96 topsoils of three active volcanic systems of southern Italy (Mt. Etna, Stromboli and Vulcano). Total fluorine content (FTOT) ranges from 112 to 7430 mg kg-1, F extracted with oxalate (FOX) ranges from 16 to 2320 mg kg-1 (2 – 93 % of FTOT) and F extracted with distilled water (FH2O) ranges from 1.7 to 159 mg kg-1 (0.2 – 40 % of FTOT). Fluorine in the sampled topsoils derives both from the weathering of volcanic rocks and ashes and from enhanced deposition due to volcanic gas emissions either from open-conduit passive degassing (Mt. Etna and Stromboli) or from a fumarolic field (Vulcano). Fluorine accumulation in the studied soils does generally not present particular environmental issues except for a few anomalous sites at Vulcano where measured contents could be dangerous both for vegetation and for grazing animals.
    Description: Published
    Description: 413-423
    Description: 4.5. Degassamento naturale
    Description: JCR Journal
    Description: reserved
    Keywords: soil fluorine ; oxalate extractable F ; water extractable F ; environmental impact of volcanic F ; Sicily ; 04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistry ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases
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  • 13
    Publication Date: 2022-02-16
    Description: The role of mud volcanoes (MVs) as a source of methane(CH4) flux to the atmosphere and the ocean has been increasingly recognised in the last several years (Milkov 2000; Dimitrov 2002, 2003; Etiope and Klusman 2002; Kopf 2002, 2003; Milkov et al. 2003; Etiope and Milkov 2004). In one of the most recent papers, Kopf (2003) claims to report a reliable estimate of the global CH4 emission from MVs. However, the significance and usefulness of the estimate presented by Kopf (2003) are rather poor. The used dataset is smaller than in previous studies (although the author makes a reverse claim), and some previously published works are misquoted and misinterpreted. Numerous arithmetic mistakes made during simple calculations and data manipulations lead to confusing results and conclusions. In this comment, we highlight some of the most significant problems with the estimates published by Kopf (2003).
    Description: Published
    Description: 490-492
    Description: 4.5. Degassamento naturale
    Description: JCR Journal
    Description: reserved
    Keywords: Methane ; mud volcanoes ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases
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  • 14
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    Springer
    In:  Boston, 362 pp., Springer, vol. 12, 135 pp., no. 85, pp. 175, (1-4020-3524-1, XXV + 543 p., with CD-ROM)
    Publication Date: 2006
    Description: This book points out the need of a multidisciplinary approach in the field of risk assessment and management. It provides an overview of the problems, approaches and common practices directly related to earthquake risk mitigation and, in particular, to the preparation of earthquake emergency plans
    Keywords: Textbook of geophysics ; Textbook of engineering ; Earthquake hazard ; Earthquake engineering, engineering seismology ; Earthquake risk ; Disaster ; management, ; Earthquake ; hazard, ; Emergency ; plans, ; Risk ; assessment ; and ; mapping, ; Seismic ; zonation, ; Vulnerability ; and ; damage
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  • 15
    Publication Date: 2020-11-23
    Description: Abstract: The simultaneous solution of the Planck equation (involving the widely used “dual-band” technique) using two shortwave infrared (SWIR) bands allows for an estimate of the fractional area of the hottest part of an active lava flow (fh), and the background temperature of the cooler crust (Tc). The use of a high spectral and spatial resolution imaging spectrometer with a wide dynamic range of 15 bits (DAIS 7915) in the wavelength range from 0.501 to 12.67 µm resulted in the identification of crustal temperature and fractional areas for an intra-crater hot spot at Mount Etna, Italy. This study indicates the existence of a relationship between these Tc and fh extracted from DAIS and Landsat TM data. When the dual band equation system is performed on a lava flow, a logarithmic distribution is obtained from a plot of the fractional area of the hottest temperature versus the temperature of the cooler crust. An entirely different distribution is obtained over active degassing vents, where increases in Tc occur without any increase in fh. This result indicates that we can use scatter plots of Tc vs. fh to discriminate between different types of volcanic activity, in this case between degassing vents and lava flows, using satellite thermal data.
    Description: Published
    Description: 641–651
    Description: 4V. Processi pre-eruttivi
    Description: JCR Journal
    Description: open
    Keywords: Mount Etna ; remote-sensing ; lava-flow ; degassing vent ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 16
    Publication Date: 2017-04-04
    Description: The Monte Nuovo eruption is the most recent event that occurred at Phlegrean Fields (Italy) and lasted from 29 September to 6 October 1538. It was characterized by 2 days of quasi-sustained phreatomagmatic activity generating pumice-bearing pyroclastic density currents and forming a 130-m-high tuff cone (Lower Member deposits). The activity resumed after a pause of 2 days with two discrete Vulcanian explosions that emplaced radially distributed, scoria-bearing pyroclastic flows (Upper Member deposits). The juvenile products of Lower and Upper Members are, respectively, phenocryst-poor, light-coloured pumice and dark scoria fragments with K-phonolitic bulk compositions, identical in terms of both major and trace elements. Groundmass is formed by variable proportions of K-feldspar and glass, along with minor sodalite and Fe-Ti oxide present in the most crystallized samples. Investigations of groundmass compositions and textures were performed to assess the mechanisms of magma ascent, degassing and fragmentation along the conduit and implications for the eruptive dynamics. In pumice of the Lower Member groundmass crystal content increases from 13 to 28 vol% from the base to the top of the sequence. Products of the Upper Member consist of clasts with a groundmass crystal content between 30 and 40 vol% and of totally crystallized fragments. Crystal size distributions of groundmass feldspars shift from a single population at the base of the Lower Member to a double population in the remaining part of the sequence. The average size of both populations regularly increases from the Lower to the Upper Member. Crystal number density increases by two orders of magnitude from the Lower to the Upper Member, suggesting that nucleation dominated during the second phase of the eruption. The overall morphological, compositional and textural data suggest that the juvenile components of the Monte Nuovo eruption are likely to record variations of the magma properties within the conduit. The different textures of pumice clasts from the Lower Member possibly reflect horizontal gradients of the physical properties (P, T) of the ascending magma column, while scoriae from the second phase are thought to result from the disruption of a slowly rising plug crystallizing in response to degassing. In particular, crystal size distribution data point to syn-eruptive degassing-induced crystallization as responsible for the transition in eruptive style from the first to the second phase of the eruption. This mechanism not only has been proved to profoundly affect the dynamics of dome-forming calc-alkaline eruptions, but may also have a strong influence in driving the eruption dynamics of alkaline magmas of intermediate to evolved compositions.
    Description: Published
    Description: 601-621
    Description: reserved
    Keywords: Phlegrean Fields ; Vulcanian explosion ; Degassing ; Groundmass crystallization ; Eruption dynamics ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases ; 04. Solid Earth::04.08. Volcanology::04.08.02. Experimental volcanism ; 05. General::05.02. Data dissemination::05.02.03. Volcanic eruptions
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 17
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    In:  Amsterdam, Springer, vol. 1, pp. 225, (1-4020-3353-2)
    Publication Date: 2005
    Keywords: Tsunami(s) ; Earthquake risk ; Earthquake precursor: prediction research ; Review article ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Modelling ; NATHAZ ; measurement, ; tsunami ; model, ; data ; assimilation, ; data ; inversion, ; tsunami ; warning, ; tsunameters, ; forecast, ; hazard ; mitigation
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    In:  Berlin, Heidelberg, New York, Springer, vol. 4, no. 85, pp. 175, (ISBN 3-540-24988-5)
    Publication Date: 2005
    Keywords: Textbook of informatics ; Earthquake hazard ; Earthquake risk ; Tsunami(s) ; Proceedings of a conference ; INSPIRE ; OpenGIS ; GIS ; floods ; landslides ; storms ; geography ; Delft ; GFZ ; M ; 06.0234 ; 000303921
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    In:  Professional Paper, Perspectives in Modern Seismology, Berlin, Springer, vol. 105, 223 pp., no. 231, pp. 13-30, (ISBN: 3-540-23712-7)
    Publication Date: 2005
    Keywords: Earthquake risk ; Site amplification ; Strong motions ; Earthquake engineering, engineering seismology ; Synthetic seismograms ; NOISE ; Nakamura ; Modelling ; Cologne ; DFNK ; Faecke ; Facke
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    In:  Geo-Information for Disaster Management, Berlin, Heidelberg, New York, Springer, vol. 12, pp. 323-336, (ISBN 3-540-24988-5)
    Publication Date: 2005
    Keywords: Textbook of informatics ; Earthquake hazard ; Earthquake risk ; Tsunami(s) ; Proceedings of a conference ; Earthquake ; Indonesia ; Geodesy
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    In:  Professional Paper, Perspectives in Modern Seismology, Dordrecht, Springer, vol. 65, no. 16, pp. 145-168, (ISBN 0080419208)
    Publication Date: 2005
    Keywords: paleo ; Seismicity ; Fault zone ; DSTF ; Seismology ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Bucharest ; Romania ; Earthquake risk
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    In:  Bull., Polar Proj. OP-O3A4, Perspectives in Modern Seismology, London, Springer, vol. 201, no. XVI:, pp. 169-184, (ISBN: 3-540-23712-7)
    Publication Date: 2005
    Keywords: Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Geodesy ; Finite Element Method ; Modelling ; Three dimensional ; Seismology ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Bucharest ; Romania ; Earthquake risk
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    In:  Bull., Polar Proj. OP-O3A4, Perspectives in Modern Seismology, Dordrecht, Springer, vol. 20, no. 4, pp. 47-65, (ISBN 0080419208)
    Publication Date: 2005
    Keywords: Non-linear effects ; Seismology ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Bucharest ; Romania ; Earthquake risk
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    In:  Bull., Open-File Rept., Perspectives in Modern Seismology, Arnsberg-Neheim, Springer, vol. 10, no. 87-17, pp. 69-94, (ISBN 0080419208)
    Publication Date: 2005
    Keywords: Plate tectonics ; hot ; spots ; GeodesyY ; Tomography ; Seismology ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Bucharest ; Romania
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    In:  Professional Paper, Open-File Rept., Perspectives in Modern Seismology, Berlin, Springer, vol. 1, no. 16, pp. 1-12, (ISBN 0080419208)
    Publication Date: 2005
    Keywords: Review article ; Seismology ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Bucharest ; Romania ; Earthquake risk
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    In:  Berlin, Springer, vol. 6, no. 1, pp. 1-40, (ISBN: 0-444-51340-X)
    Publication Date: 2003
    Keywords: Handbook of geophysics ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; outreach ; politics ; communication ; management ; response ; rain ; storms ; floods ; droughts ; El ; Nino ; earthquakes ; Earthquake precursor: prediction research ; Japan ; Mexico ; Istanbul ; Turkey ; Taiwan ; Bucharest ; Romania ; China ; Armenia ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Global Positioning System ; Volcanology ; Tsunami(s) ; landslides ; avalanches ; fires ; technology ; environment ; Rapid damage assessment ; Earthquake hazard ; Earthquake risk ; remote ; sensing ; GIS ; islands ; cyclones ; future ; technical ; requirements ; Kueppers ; Kuppers
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    In:  Bull., Open-File Rept., Early Warning Systems for Natural Disaster Reduction, Berlin, Springer, vol. 9, no. 16, pp. 228, (ISBN 1-86239-165-3, vi + 330 pp.)
    Publication Date: 2003
    Keywords: Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Earthquake precursor: prediction research ; Seismicity ; warning ; time ; Seismology ; micro-zonation ; Seismic networks ; Project report/description ; Rapid damage assessment ; Earthquake hazard ; Earthquake risk ; monitoring ; Kueppers ; Kuppers ; Stefansson ; SIL
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    In:  Professional Paper, Open-File Rept., Early Warning Systems for Natural Disaster Reduction, Berlin, Springer, vol. 1, no. 16, pp. 471-477, (ISBN 0080419208)
    Publication Date: 2003
    Keywords: Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Romania ; Seismology ; Seismicity ; Earthquake engineering, engineering seismology ; Karlsruhe ; Kueppers ; Kuppers ; SFB ; 461
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    In:  Professional Paper, Open-File Rept., Early Warning Systems for Natural Disaster Reduction, Berlin, Springer, vol. Memoir 157, no. 1, pp. 433-440, (ISBN 0080419208)
    Publication Date: 2003
    Keywords: Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Earthquake precursor: prediction research ; Turkey ; Seismicity ; warning ; time ; Seismology ; micro-zonation ; Seismic networks ; Project report/description ; Rapid damage assessment ; Earthquake hazard ; Earthquake risk ; monitoring ; Isikara ; Yalcin ; Kueppers ; Kuppers ; Erguenay ; Ergunay
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    In:  Professional Paper, Open-File Rept., Early Warning Systems for Natural Disaster Reduction, Berlin, Springer, vol. Memoir 157, no. 1, pp. 527-532, (ISBN 0080419208)
    Publication Date: 2003
    Keywords: Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Earthquake precursor: prediction research ; Indonesia ; Java ; Seismicity ; warning ; time ; Seismology ; Seismic networks ; Project report/description ; Earthquake hazard ; Earthquake risk ; monitoring ; Kueppers ; Kuppers ; Luehr ; Luhr
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  • 31
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    Environmental geology 39 (2000), S. 1372-1384 
    ISSN: 1432-0495
    Keywords: Key words Aries River ; Capillary electrophoresis ; Mining effluent ; Romania
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract  This paper examines two issues, the extensive pollution occurring in the Aries River, NW Romania, as a result of unchecked discharge of mining effluents into the river system, and the suitability of capillary electrophoresis (CE) as an analytical method for investigations into water chemistry. The results confirm the first objective by providing details on the pollution of the Aries River and its geochemical system and demonstrate the usefulness of CE. In its upper reaches, the river system is characterized by high contents of SO4 2– as a direct result of acid mine effluents and the oxidation of sulphide minerals on mine dumps as well as inflows from settling ponds. Although continuous dilution by natural branch waters and natural water-rock interaction reduces the pollution to some extend, the total level of SO4 2– remains above European averages. The waters of the Aries River, by comparison, contain contents of Cu2+ and Zn2+ up to 100 times higher than those of unpolluted river water.
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  • 32
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    Hydrogeology journal 8 (2000), S. 379-389 
    ISSN: 1435-0157
    Keywords: Key words karst ; groundwater flow ; thermal conditions ; Romania
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Description / Table of Contents: Résumé Deux régions karstiques développées dans les roches carbonatées du Permien et du Trias des Monts Codru Moma, dans le nord-ouest de la Roumanie, possèdent des sources thermales. Les principales sources karstiques apparaissent là où les écoulements souterrains recoupent des barrières hydrauliques, qui provoquent aussi la remontée d'eaux depuis des niveaux plus profonds. Á Moneasa, les eaux thermominérales remontent le long de failles et de fractures associées à un chevauchement; dans la ville de Vascau, l'eau émerge le long des failles de la marge du bassin de Beius. La géochimie laisse penser que la composante thermale des eaux souterraines de Moneasa provient des dolomies et qu'au moins une partie des eaux thermales de Vascau provient des grès permiens enfouis profondément.
    Abstract: Resumen En las Montañas Codru Moma, al Noroeste de Rumanía, hay dos áreas kársticas desarrolladas en rocas carbonatadas del Pérmico y Triásico donde se obtienen aguas termales. Los manantiales kársticos más importantes se originan en los puntos de intersección del flujo subterráneo con barreras hidráulicas, hecho que facilita el desplazamiento del agua desde niveles inferiores. En Moneasa, las aguas subterráneas termales ascienden a través de fallas y fracturas asociadas a mantos de corrimiento (thrusts, por aplicación de cargas superficiales) y, en la ciudad de Vascau, a través de fallas marginales de la cuenca Beius. La geoquímica indica que la componente termal de las aguas subterráneas en Moneasa procede de dolomitas, mientras que al menos una parte de las aguas subterráneas en Vascau procede de areniscas muy profundas del Pérmico.
    Notes: Abstract  Two karst areas within Permian and Triassic carbonate rocks of the Codru Moma Mountains in the northwestern part of Romania yield thermal waters. Major karst springs occur where groundwater flow is intercepted by hydraulic barriers, which also results in the movement of water from deeper levels. At Moneasa, thermal groundwater rises along faults and fractures associated with a thrust, and at Vascau Town, water rises along faults marginal to the Beius Basin. Geochemistry suggests that the thermal component of the Moneasa groundwaters is derived from dolomites and that at least a proportion of the Vascau thermal waters originates from deeply buried Permian sandstones.
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  • 33
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    GeoJournal 50 (2000), S. 139-150 
    ISSN: 1572-9893
    Keywords: criminality ; divorce ; investment ; job creation ; less-favoured areas ; living standards ; protest ; Romania ; social risk ; unemployment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography
    Notes: Abstract Social risk is seen as endemic in the postmodern world of 'glocalisation', especially in cities competing for a place in the global economy while simultaneously seeking to contain tensions between a kaleidoscopic mix of urban interests and life styles. Transition economies in Eastern Europe are very much at risk, especially in southeastern Europe where a general decline in living standards heightens tension as large cities are threatened with heavy unemployment. Several indicators of social risk are examined at the county level in Romania, but it is evident that while there are some close correlations between unemployment on the one hand and labour unrest, divorce and criminality on the other this is not always the case. Some counties have remained stable despite high unemployment while others manifest high social risk with below-average unemployment. Further research is needed to assess risk on a regional basis more accurately, but it is clear that the electorate will continue to vent its anger on incumbent governments when necessary restructuring does not immediately attract new investment and job creation.
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  • 34
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    GeoJournal 50 (2000), S. 181-198 
    ISSN: 1572-9893
    Keywords: agriculture ; cooperation ; diversification ; less- favoured areas ; mining ; Romania ; rural tourism ; unemployment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography
    Notes: Abstract Maramures is one of the remotest mountain regions of Romania and has been marginalised throughout the modern period, including the communist era. Yet its human resources continue to grow with significant levels of natural increase and a growing labour market in the more traditional parts of the county. After placing the region in its physical and historical settings, the paper examines the communist economy and the strategies adopted by the growing population to maintain viable communities rooted in cultural practices on which the authorities made only a superficial impact. Since 1989 the economy has contracted quite sharply and out-migration has accelerated, while natural increase remains positive, but to a lesser extent than before. Tourism is seen as an important source of diversification and significant progress has been made through the setting up of local tourist associations and the publication of accommodation lists. Despite constraints, the business opportunities are increased by closer integration with Hungary and also with Ukraine given the enhanced potential for cross-border cooperation. However, even with continued dependence on seasonal employment outside the region and fiscal incentives for business development, arising from a special programme for `less-favoured areas' affected by mine closures, it is unlikely that out-migration will be halted. But the resourcefulness of the population could boost Maramures as a area of small-scale enterprise harmonising with the physical resources and cultural milieu.
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  • 35
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    GeoJournal 50 (2000), S. 255-271 
    ISSN: 1572-9893
    Keywords: backward areas ; cross-border cooperation ; Hungary ; regional development ; Romania ; rural areas ; small towns
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography
    Notes: Abstract Under communism local authorities tended to be largely passive bystanders in a regional development process which emerged through the central planning process through the spatial allocations of investment by government ministries. Attention was given to physical planning, but comparatively little material entered the public domain on location policy and spatial priorities generally, apart from the objective of greater equality between regions and a commitment to backward areas generally. Now that much investment is down to private enterprise and government has become more decentralised and accountable, there is a need for concepts and strategies to coordinate public sector investment and provide guidelines for the evaluation of private development proposals. At the same time, there is an open competition for investment which requires communities to promote themselves in terms of their identity and development potential. This paper offers an overview by taking two countries - Hungary and Romania - where progress can be compared and where the focus can be placed on a common frontier which is diverting attention from conventional regional planning to cross-border cooperation. In both contexts however, attention is given to the ways in which planning can divert investment away from the main centres to the peripheral areas, including action to strengthen the role of small towns and also to improve cohesion among functionally-related groups of settlements and communes.
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  • 36
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    GeoJournal 50 (2000), S. 151-155 
    ISSN: 1572-9893
    Keywords: demography ; experts ; rural ; Romania ; rural development ; social issues ; transformation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography
    Notes: Abstract There is no standard model of transformation for post- socialist countries and each country encounters specific problems rooted in the geographical characteristics of the areas concerned. The human resources are of the greatest importance because it really matters how people (especially the decision-makers) perceive system change and continually reformulate their expectations and strategies; so investigations into the views of people caught up in the transformation can provide a deeper understanding of the background to structural change. Working the national, regional level and local levels in Romania, experts were asked to consider the advantages and disadvantages arising out of the transformation, the most important problems and constraints for future rural development and the policies needed. The paper examines the responses on demographic and social issues. It emerges the most detailed responses were supplied by local-level representatives while respondents at the regional level steered a middle course between the need to address local problems and the prime importance of stimulating the Romanian economy so as to generate resources for welfare programmes (with the latter issue the overriding concern of interviewees at national level). There was general agreement on the importance of foreign investment and European integration for economic development, with local actors taking only small steps in line with the existing opportunities.
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  • 37
    ISSN: 1572-9893
    Keywords: Aussiedler ; Braşov ; built environment ; emigration ; ethnicity ; identity ; migration ; preservation ; Romania
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography
    Notes: Abstract The expression of different ethnic identities in the landscape is a product of the creation, destruction and preservation of the built environment. This may illustrate the changing processes over the evolution of a landscape. In the case of Braşov, Romania, it is possible to see in the urban landscape a reflection of the changing nature of the relationship between the ethnic German and Romanian populations, and the German and Romanian governments. This paper will demonstrate the persistence of ethnic German culture in the built environment and social organisation of Braşov in spite of the exodus of the ethnic German population.
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  • 38
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    Biodiversity and conservation 9 (2000), S. 1187-1198 
    ISSN: 1572-9710
    Keywords: biodiversity ; ecoethics ; ecosophy ; nature protection ; Romania
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract This paper briefly discusses the history and development of nature protection in Romania. It summarises the current situation of protected areas, and discusses the ecological, ethical and philosophical ideas concerning biodiversity conservation in the country.
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  • 39
    ISSN: 1573-2932
    Keywords: atmospheric pollution ; cadmium ; cobalt chromium ; copper ; lead ; manganese ; nickel ; Romania ; soil contamination ; zinc
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The present paper is a study of the heavy metal contamination ofnatural soils due to atmospheric transport in the northern partof Eastern Carpathians. The study area is located north of BaiaMare, the main Romanian centre for processing complex sulphideores. Ten undisturbed soil profiles of andosols and andic soilswere investigated. The distribution of heavy metals (Pb, Cu, Zn,Mn, Ni, Co, Cr and Cd) was studied along the soil profile and atspecific distances from the pollution sources. In addition tothe total nitric acid soluble fraction of the metals, amounts oflead, copper, zinc and manganese extractable with 0.05 Mhydrochloric acid were determined to evaluate the fraction ofeach metal potentially available to plants. Surface soils in theIgnis Mountains (10 km from Baia Mare) were more polluted withlead (200–800 ppm), with the concentration decreasing withdistance from the processing plants. Lower lead concentrationswere observed in the deeper soil horizons. The fraction of leadextractable in 0.05 M hydrochloric acid was generally higher athigh total concentrations of lead. From its geographical andsoil profile distributions it is also evident that cadmium wasalso supplied in appreciable amounts to the topsoil from thesame polution sources, whereas the trend was weaker for zincand chromium and not evident for copper, manganese, nickel, orcobalt. The fraction extractable with 0.05 M hydrochloric acidgenerally followed the order Pb 〉 Cu 〉 Zn 〉 Mn.
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  • 40
    ISSN: 1573-5117
    Keywords: biogeochemistry ; metals ; mussels ; bioindicators ; delta ; Romania
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Specimens of mussels species Anodonta anatina, Unio pictorum, U. tumidus and surfical sediment samples were collected in the summers of 1994 and 1995 from twelve lakes in the Danube Delta, Romania. Whole mussel tissues were analyzed for metals (Ag, As, Cd, Co, Cu, Cr, Ni, Pb, Se and Zn), and sediment samples were subjected to weak acid extraction and to a sequential extraction procedure, and analyzed for Cr, Cu, Ni and Zn. Total mean Cu and Ag concentrations were statistically greater in Unio species than in Anodonta species, but other metal levels did not significantly differ between mussel species. There was a ten fold variation for Cd and Pb and five fold variation for Zn, Ag and Co concentrations in mussels among lakes. Mean concentrations of As, Cu, Se and Zn in mussel tissues varied two fold among lakes. Zn, Co and Cd concentrations in mussels were significantly negatively correlated with distance gradients from the origin of the Delta and with distance from main channels of the Danube. Other metal concentrations in mussels did not correlate with either distance gradient. Trace metal levels in mussel tissues were correlated with those in weak acid and in sequential extractions of sediment. Zn concentrations in the carbonate fraction was the best predictor of Zn concentrations in mussels. Cu and Ni levels in the organic matter and sulfide fraction were the best estimators of Cu and Ni concentrations in mussels.
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  • 41
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    Netherlands journal of geosciences 78 (1999), S. 335-343 
    ISSN: 1573-9708
    Keywords: dwarfing ; heterochrony ; Late Cretaceous ; Romania ; Sauropoda
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Franz Baron Nopcsa recognised that the Late Cretaceous titanosaurid sauropod from Transylvania, Magyarosaurus dacus, was much smaller than the better known sauropods from the Upper Jurassic of the United States and even from Late Cretaceous deposits elsewhere in the world. In keeping with his biogeographic interpretations, Nopcsa viewed this difference as a consequence of body-size effects via island habitation. We present a preliminary re-evaluation of Nopcsa's claims and their heterochronic consequences using two approaches, viz. (1) regression analysis of humeral data as a means of establishing patterns in body size among titanosaurids, and (2) optimisation of humeral data onto titanosaurid cladograms to evaluate evolutionary trends within the clade. Our regression analysis is based on twenty species distributed among fourteen genera of neosauropods and uses length and mid-shaft mediolateral width of the humerus of presumed fully adult forms, and of growth samples that consist of postnatal to adult individuals. Linear regression analysis suggests that, among adult neosauropods, M. dacus appears to be represented by the smallest individuals; that M. dacus humeri appear to be more similar to those of subadults than to adults of other taxa; and that this ‘juvenile’ morphology may constitute dwarfing in M. dacus by paedomorphosis. In order for these regressions to reflect their evolutionary context more fully, we also present optimisation analyses of humeral form within Titanosauroidea. Although many aspects of the phylogeny of this clade are relatively poorly resolved, preliminary results of our analyses are consistent with the conclusion that M. dacus was a heterochronic dwarf.
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  • 42
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    International journal of salt lake research 7 (1998), S. 45-80 
    ISSN: 1573-8590
    Keywords: aquatic flora and fauna ; circum-lacustrine vegetation ; cormophytes ; microphytobenthos ; pelogenous/non-pelogenous lakes ; phytoplankton ; Romania ; saline lakes ; zooplankton
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geography
    Notes: Abstract An inventory of the aquatic and circum-lacustrine flora and aquatic fauna of 23 karst- and anthroposaline lakes formed on Miocene rock salt bodies in Romania was undertaken. Simultaneous field determinations of water and sediment pH, total dissolved solids, Secchi transparency and lake maximum depth were also made. Environmental conditions for phytoplankton, microphytobenthos, macrophyte and cormophyte species were defined. Relations between the numbers of plankton, microbenthos, macrophyte and cormophyte species differentiated pelogenous (usually, therapeutic) and non-pelogenous lakes. High densities and occurrence frequencies characterized the most representative species. For three of these species, Amphora veneta, Artemia sp. and Potamogeton pectinatus, ecological conditions were noted. In the circum-lacustrine vegetation, glycophytes were more important than halophytes.
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    International journal of salt lake research 7 (1998), S. 45-80 
    ISSN: 1573-8590
    Keywords: aquatic flora and fauna ; circum-lacustrine vegetation ; cormophytes ; microphytobenthos ; pelogenous/non-pelogenous lakes ; phytoplankton ; Romania ; saline lakes ; zooplankton
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geography
    Notes: Abstract An inventory of the aquatic and circum-lacustrine flora and aquatic fauna of 23 karst- and anthroposaline lakes formed on Miocene rock salt bodies in Romania was undertaken. Simultaneous field determinations of water and sediment pH, total dissolved solids, Secchi transparency and lake maximum depth were also made. Environmental conditions for phytoplankton, microphytobenthos, macrophyte and cormophyte species were defined. Relations between the numbers of plankton, microbenthos, macrophyte and cormophyte species differentiated pelogenous (usually, therapeutic) and non-pelogenous lakes. High densities and occurrence frequencies characterized the most representative species. For three of these species,Amphora veneta, Artemia sp. andPotamogeton pectinatus, ecological conditions were noted. In the circum-lacustrine vegetation, glycophytes were more important than halophytes.
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  • 44
    ISSN: 1572-9893
    Keywords: transition period ; rural space ; rural development ; pluriactivity ; survival strategies ; Romania
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography
    Notes: Abstract This paper presents some initial implications of the changes brought about by recent economic transformations within the Romanian rural sector during the current transition period. As a case study of those trends, within the context of pluriactivity and constraints to rural development, it looks at some characteristics of agricultural production in the Subcarpathian region of the county of Valcea, an area where collectivisation, and thus its influences, had been partial and limited. The paper links micro and macro view points. At the micro level, it looks at the coping strategies, based on pluriactivity, adopted by rural households under changing economic conditions. At the macro level, the paper discusses some of the possible factors supporting as well as hindering rural welfare levels and agricultural development under current economic conditions.
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  • 45
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    GeoJournal 44 (1998), S. 151-160 
    ISSN: 1572-9893
    Keywords: health ; Romania ; transition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography
    Notes: Abstract The paper attempts to make an assessment of the health state of the Romanian population during the transition period; the evolution of the health indicators, analyzed in the European context, shows the precarious health state of the Romanian population, in comparison both to Western countries and to the countries which are crossing a transition phase themselves. The values of the health indicators by region also show inequalities of health, the north-western and south-eastern areas of the country having to face serious problems. The reduction of living standard, the low quality health services, together with other factors associated with lifestyle seem to be responsible for the deterioration of the health state of the Romanian population. The introduction of adequate health and social policies in the following period could bring about an improvement of the situation.
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  • 46
    ISSN: 1572-9893
    Keywords: agriculture ; border region ; communities ; commuting ; conservation ; Romania ; tourism ; transformation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography
    Notes: Abstract A most distinctive feature of the settlement pattern of the Brasov area is the extreme dispersal of mixed farming encountered in the western extreme of the county to the north and south of Zarnesti: the Bran and Poiana Marului areas. Here a system of peasant subsistence farming developed in a political borderland between the Habsburg and Ottoman Empires. Despite feudal pressures, the peasantry took all available opportunities to extend their independence including elaborate transhumance systems. And after seeing transfrontier commerce as a source of plunder, in the tradition of Balkan highway robbery within relatively unregulated spaces, the peasantry has profited through employment in factories, particularly during the communist period. However, the current recession in manufacturing is throwing the rural population back on limited land resources. Although farming assumes an important subsistence role which contributes to stability, the long-term survival of these communities will depend on new sources of income. Rural tourism has considerable potential and a promising start has been made in Bran. There are, however, constraints on the further development of the business and great attention will have to be given to the conservation of the environment in both the Bucegi Mountains and the Piatra Craiului where national park status is proposed.
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  • 47
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    GeoJournal 46 (1998), S. 319-336 
    ISSN: 1572-9893
    Keywords: culture ; forest ; key villages ; national park ; natural park ; Romania ; rural development ; settlement
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography
    Notes: Abstract The Apuseni Mountains, part of the Western Carpathians, are distinctive in cultural terms because of the highly dispersed settlement patterns that have developed on the high erosion surfaces where the Moti people cleared the forests to allow for an expansion of family farming in the eighteenth and nineteenth centuries. These small ‘crang’ settlements remain, but the population is declining in the face of limited employment opportunities and poor services. The question arises as to the most appropriate rural development strategy for the region, following the communist period which encouraged centralisation through the provision of housing and industry in key villages and new towns. The emphasis on private farming and the expansion of tourism could protect the inherited cultural landscape but money must be found to improve rural services. There is also a strong conservation movement which supports the establishment of a national park, but this could constrain development through controls on grazing and woodcutting. Hence the dialogue continues to find the best compromise and the concept of a ‘natural park’ is being discussed with such a reconciliation in mind.
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  • 48
    ISSN: 1572-9893
    Keywords: chamber of commerce ; economy ; experts ; institutions ; local government ; Romania ; rural ; transformation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography
    Notes: Abstract This study evaluates some aspects of the socio-economic transformation of rural Romania with reference to the views of representative organisations (at national, regional and local levels) and other experts. Interviews conducted in ten communes of nine Romanian counties (‘judete’) focus attention on the advantages and disadvantages of system change experienced since 1989; the most important problems and constraints for future socio-economic change; and appropriate policies and perspectives for development in the immediate future. Wherever appropriate the claims of interviewees are substantiated through reference to statistics, drawn in many cases from Chambers of Commerce & Industry (CCI). Local level representatives presented much more negative views on recent change than their national and regional level counterparts, but all agreed on the crucial problem of capital shortage. Thus while specific programmes to assist rural areas are justified, they cannot fully succeed until the national economy is able to grow more rapidly and attract greater foreign investment.
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  • 49
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    GeoJournal 46 (1998), S. 289-303 
    ISSN: 1572-9893
    Keywords: conservation ; ecosystem ; National Park ; Natural Park ; pollution ; rural development ; Romania ; tourism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography
    Notes: Abstract Valcea is one of Romania's Wallachian counties with landscapes which grade from the Carpathians through the Subcarpathians and Piedmont zone towards the plain. Agriculture plays a major role in the economy but there is also a long-established tourist industry and the industrial base (established through the processing of local raw materials: agricultural commodities, timber and salt) has been enlarged and diversified under communism. The tourist industry has also expanded with reference to the mineral waters. But agriculture still plays an important role. Environmental pressures on sensitive Carpathian ecosystems have increased over the years and under the transition conservation measures should include national park designations to provide a buffer for clusters of nature reserves. The paper discusses the nature of the environmental problems and the significance of national and ‘natural’ parks for the development of tourism in the area, with particular reference to Buila-Vanturarita area of the Capatina Mountains.
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  • 50
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    International journal of salt lake research 6 (1997), S. 55-66 
    ISSN: 1573-8590
    Keywords: evaporites ; Romania ; solution lakes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geography
    Notes: Abstract The distribution of solution lakes on gypsum evaporites isconsidered. Details are given of Lake Inva^rtita (Nucs¸oara), aRomanian lake of this type, in the Arges¸ district.
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  • 51
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    International journal of salt lake research 6 (1997), S. 55-66 
    ISSN: 1573-8590
    Keywords: evaporites ; Romania ; solution lakes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geography
    Notes: Abstract The distribution of solution lakes on gypsum evaporites is considered. Details are given of Lake Invârtita (Nuc§oara), a Romanian lake of this type, in the Arge§ district.
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  • 52
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    Environmental biology of fishes 48 (1997), S. 184-200 
    ISSN: 1573-5133
    Keywords: Huso huso ; Acipenser nudiventris ; A. stellatus ; A. gueldenstaedti ; A. ruthenus ; anadromy ; Romania ; Serbia ; Croatia ; Hungary ; Slovakia ; Austria ; Germany
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Of the six species of sturgeons native to the Danube basin, five occurred in the upper and middle Danube. Among anadromous sturgeons were the large winter races of beluga, Huso huso, Russian sturgeon, Acipenser gueldenstaedtii, and stellate sturgeon, A. stellatus, which ascended the middle, and sometimes also the upper Danube, to spawn. Due to overfishing, followed by severe habitat alteration including damming and pollution, these anadromous sturgeons are critically endangered or extirpated from the upper and middle Danube. Acipenser gueldenstaedtii and A. nudiventris are represented only as resident non-migratory races with very small populations. The most abundant and widely distributed species is the sterlet, A. ruthenus, although it is presently limited to the middle Danube. Its population increased in some sections of the middle Danube during the past 15 years, presumably because of improving water quality, but this species remains at risk because of continuing habitat degradation.
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  • 53
    ISSN: 1573-5117
    Keywords: Isopoda ; Asellus aquaticus ; morphology ; cave adaptation ; Slovenia ; Romania
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Epigean and hypogean populations of Asellus aquaticus (Linne) from Slovenia (A. a. aquaticus, A. a. carniolicus Sket, A. a. cavernicolus Racovitza) were compared morphologically with those from Romania (A. a. aquaticus, A. a. ssp. from Mangalia). The highly troglomorphic Slovenian race (A. a. cavernicolus) was the reference for assessing the degree of troglomorphism in the Romanian cave population. Of 61 measured characters, most proved discriminative and many were classified according to their presumed nature (reductive and progressive troglomorphisms, paedomorphoses, K-strategy traits). In Slovenian hypogean population (A. a. cavernicolus), a combination of regressive and progressive troglomorphic traits is present: total depigmentation, eye and cuticular structural reduction, and body and appendage elongation. Some traits which might indicate paedomorphosis also occur. The most significant shared characters of the assumed sister taxa A. a. cavernicolus (cave) and A. a. carniolicus (epigean) are isometric uropods and pereiopods, as well as the size of pleopod V and its large ‘area‘. Although some progressive troglomorphisms (appendage elongation) are not present in the Romanian hypogean population (A. a. ssp.-Mangalia), a number of adaptive troglomorphic traits distinguish this population from the epigean one. It is totally depigmented, with reduced eyes and a smaller number of eggs. It also exhibits traits which might indicate paedomorphosis. Probable reasons for absence of the constructive troglomorphisms are discussed. The Romanian hypogean populations are not uniform. Specimens from Movile cave resemble some peltate asellids in head and pleotelson shape. In the peripheral range of this hypogean population, however, there are signs of an introgression with the epigean population. Details of the pleopods, as well as the biogeographical situation, support the conspecifity of A. a. ssp.-Mangalia with A. a. aquaticus.
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  • 54
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    In:  Berlin, Springer, vol. 34, no. 22, pp. 65-70, (ISBN 3-7643-0253-4)
    Publication Date: 1995
    Keywords: Earthquake precursor: prediction research ; Textbook of geophysics ; Textbook of geology ; Tsunami(s) ; Earthquake hazard ; Earthquake risk
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  • 55
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    Natural hazards 10 (1994), S. 65-72 
    ISSN: 1573-0840
    Keywords: Romania ; attenuation macroseismic intensity ; crustal earthquakes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography , Geosciences
    Notes: Abstract The macroseismic intensity attenuation (m.i.a.) laws for the main seismic provinces with crustal foci of the Romanian territory and adjacent areas were established. The input data consist of MSK-64 intensities of 18 earthquakes with epicentral/maximum intensity in the range V to X degrees (MSK scale), whose isoseismal maps were available. The attenuation was analyzed as a function of distance and azimuth and from the three main attenuation formulas (logarithmic, exponential, and power-law) (the last one was preferred, as it best fits the observed data) and, consequently, were used for each seismogenic region. The bulk of derived equations is intended to be further used in the assessment of the seismic hazards of Romania.
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  • 56
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    Pure and applied geophysics 133 (1990), S. 367-379 
    ISSN: 1420-9136
    Keywords: GEOSCOPE seismic data ; Romania ; focal mechanism ; bodywave modelling ; source process
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The Romanian earthquake of August 30, 1986 is the second largest intermediate depth event in this area since the worldwide deployment of digital instrumentation, and the first one since the installation of GEOSCOPE network. It offers the unique opportunity to document this well-known but poorly understood zone of deep continental seismicity using high quality teleseismic data in different frequency bands. The source is well constrained both from very-long period surface wave data observed on GEOSCOPE stations and, independently, from body wave modelling at various worldwide stations. The depth obtained is approximately 140 kilometers, the seismic moment, 0.8 1027 dyne-cm and the mechanism from both data sets is very similar to that of the previous 1940 and 1977 Vancrea events, indicating that these events, although having occurred at noticeably different depths, are expressions of the same tectonic process. However, from the detailed study of the source using broadband data, it can be inferred that the source presents much less complexity than the 1977 event.
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