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  • 1
    Schlagwort(e): Geology. ; Geomorphology. ; Mineralogy. ; Environmental management. ; Tourism. ; Management. ; Geology. ; Geomorphology. ; Mineralogy. ; Environmental Management. ; Tourism Management.
    Beschreibung / Inhaltsverzeichnis: Part I -- History of Research: Geoscientific Exploration of Ciomadul Hills -- Introduction to the Tectonic Evolution of the South-East Carpathians -- Evolution of the Ciomadul Volcanic Field – Lava Domes and Explosive Eruptions -- Petrology of Ciomadul volcano: the rock record -- Gone with the Wind: Dispersal of Ciomadul Tephra.
    Kurzfassung: This book delivers the present state-of-the-art of scientific characteristics of the unique Ciomadul volcano (Romania, East-Central Europe) from as many aspects as possible.. Multidisciplinary research results obtained on this geologically young volcanic complex are presented to a wider audience (geologists, volcanologists, botanists, archaeologists, historians and teachers). Moreover, the book provides information at a general level for interested laypersons and decision-makers. The first part of the book, after summarizing the research history of Ciomadul, presents the details of the volcanism and related topics (volcanology, geology, landscape evolution, minerals, post-volcanic activity and spa culture) in eight chapters; the second part deals with the palaeo-environmental issues of the larger area, along with human history, in nine chapters.
    Materialart: Online-Ressource
    Seiten: XIV, 282 p. 187 illus., 158 illus. in color. , online resource.
    Ausgabe: 1st ed. 2022.
    ISBN: 9783030891404
    DDC: 551
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Publikationsdatum: 2019-07-17
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Publikationsdatum: 2022-05-25
    Beschreibung: Author Posting. © The Author(s), 2009. This is the author's version of the work. It is posted here by permission of John Wiley & Sons for personal use, not for redistribution. The definitive version was published in Journal of Quaternary Science 25 (2010): 387-394, doi:10.1002/jqs.1330.
    Beschreibung: Several large abrupt climate fluctuations during the last glacial have been recorded in Greenland ice cores and archives from other regions. Often these Dansgaard-Oeschger events are assumed to have been synchronous over wide areas, and then used as tie-points to link chronologies between the proxy archives. However, it has not yet been tested independently whether or not these events were indeed synchronous over large areas. Here, we compare Dansgaard-Oeschgertype events in a well-dated record from southeastern France with those in Greenland ice cores. Instead of assuming simultaneous climate events between both archives, we keep their age models independent. Even these well-dated archives possess large chronological uncertainties, that prevent us from inferring synchronous climate events at decadal to multi-centennial time scales. If possible, comparisons between proxy archives should be based on independent, non-tuned time-scales.
    Beschreibung: BW acknowledges support from the Swedish Research Council (VR).
    Repository-Name: Woods Hole Open Access Server
    Materialart: Preprint
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Publikationsdatum: 2021-07-21
    Beschreibung: The Upper Pleistocene geoarchives in the south‐eastern Carpathian Basin are represented predominantly by loess–palaeosol records. In 2015, a 10 m sediment core composed of clay‐rich lacustrine sediments was recovered by vibracoring a dry lake basin located between the Vršac Mountains (Serbia) and the Banat Sands in the south‐eastern Carpathian Basin; a location relevant for placing regional archaeological results in a palaeoenvironmental context. Here, we present results from geoelectrical prospection and a lithostratigraphic interpretation of this sequence supported by a detailed granulometric study supplemented by ostracod analysis. An age model based on luminescence dating is discussed against sedimentological proxy data and its implication for palaeoenvironmental change. The cores show a stratigraphy of lighter ochre‐coloured and darker greyish sediment, related to the deposition of clay and silt trapped in an aquatic environment. Geophysical measurements show ~20 m thick lacustrine sediments. The grain‐size distributions including the variability in fine clay are indicative of a lacustrine environment. Fine particles were brought into the depositional environments by aquatic input and settled from suspension; also, direct dust input is constrained by grain‐size results. Riverine input and aeolian dust input interplayed at the locality.
    Beschreibung: Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Beschreibung: Program IDEI_Proiecte de Cercetare Exploratorie
    Beschreibung: Serbian Ministry of Education, Science and Technological Development
    Schlagwort(e): 551 ; 554 ; Carpathian Basin ; Late Quaternary ; lacustrine sediment ; geoelectric analyses ; luminescence dating ; grain‐size analysis ; environmental dynamics
    Materialart: article
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Supplement to: Zeeden, Christian; Hambach, Ulrich; Veres, Daniel; Fitzsimmons, Kathryn E; Obreht, Igor; Bösken, Janina; Lehmkuhl, Frank (2016): Millennial scale climate oscillations recorded in the Lower Danube loess over the last glacial period. Palaeogeography, Palaeoclimatology, Palaeoecology, https://doi.org/10.1016/j.palaeo.2016.12.029
    Publikationsdatum: 2023-05-12
    Beschreibung: In this study we provide a correlative age model for last glacial loess at the Rasova-Valea cu Pietre site in the Lower Danube region, based on the correlation of palaeoenvironmental proxies to independently dated palaeoclimate archives, luminescence dating and independent age control provided by the geochemically confirmed presence of the Campanian Ignimbrite (CI) tephra. The CI tephra, originating in the Phlegrean fields of southern Italy, has been dated elsewhere by 40Ar/39Ar to 39?40 ka BP, and is frequently found in the Lower Danube loess. As such, the CI tephra represents a valuable temporal and stratigraphic maker across loess deposits in the region. Our age model facilitates high-resolution correlation of palaeoenvironmental features observed at Rasova to palaeoclimate archives in Greenland and the Black Sea ? Mediterranean area. We observe semi-cyclic behaviour of the frequency dependent magnetic susceptibility throughout the profile, which we ascribe to millennial-scale climate variability also observed elsewhere in the Black Sea region. This is the first study to clearly identify millennial-scale climate variability over the Holocene and last glacial in the Lower Danube loess. Proxy variability in the Holocene indicates continuous aeolian sedimentation through this epoch.
    Schlagwort(e): Danube, Romania, Europe; OUTCROP; Outcrop sample; Rasova_section
    Materialart: Dataset
    Format: application/zip, 2 datasets
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Supplement to: Obreht, Igor; Zeeden, Christian; Hambach, Ulrich; Veres, Daniel; Marković, Slobodan B; Bösken, Janina; Svirčev, Zorica; Bačević, Nikola; Gavrilov, Milivoj B; Lehmkuhl, Frank (2016): Tracing the influence of Mediterranean climate on Southeastern Europe during the past 350,000 years. Scientific Reports, 6(36334), https://doi.org/10.1038/srep36334
    Publikationsdatum: 2023-01-13
    Beschreibung: Loess-palaeosol sequences are valuable archives of past environmental changes. Although regional palaeoclimatic trends and conditions in Southeastern Europe have been inferred from loess sequences, large scale forcing mechanisms responsible for their formation have yet to be determined. Southeastern Europe is a climatically sensitive region, existing under the strong influence of both Mediterranean and continental climates. Establishment of the spatial and temporal evolution and interaction of these climatic areas is essential to understand the mechanisms of loess formation. Here we present high-resolution grain-size, environmental magnetic, spectrophotometric and geochemical data from the Stalac section (43°40.64812'N, 21°25.06967'E, 208 m a.s.l.) in the Central Balkans (Serbia) for the past ~350,000 years. The goal of this study is to determine the influence of the Mediterranean climate during this period. Data show that the Central Balkans were under different atmospheric circulation regimes, especially during Marine Isotope Stages 9 and 7, while continental climate prevailed further north. We observe a general weakening of the Mediterranean climate influence with time. Our data suggest that Marine Isotope Stage 5 was the first interglacial in the Central Balkans that had continental climate characteristics. This prominent shift in climatic conditions resulted in unexpectedly warm and humid conditions during the last glacial.
    Schlagwort(e): Serbia; SOIL; Soil profile; Stalac
    Materialart: Dataset
    Format: application/zip, 4 datasets
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Publikationsdatum: 2023-02-07
    Schlagwort(e): Calendar age; COMPCORE; Composite Core; Core; DEPTH, sediment/rock; Dust, flux; MOHOS; Mohos, Romania; see reference(s)
    Materialart: Dataset
    Format: text/tab-separated-values, 312 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Supplement to: Longman, Jack; Veres, Daniel; Ersek, Vasile; Salzmann, Ulrich; Hubay, Katalin; Borman, Marc; Wennrich, Volker; Schäbitz, Frank (2017): Periodic input of dust over the Eastern Carpathians during the Holocene linked with Saharan desertification and human impact. Climate of the Past, 13(7), 897-917, https://doi.org/10.5194/cp-13-897-2017
    Publikationsdatum: 2023-02-23
    Beschreibung: Reconstructions of dust flux have been used to produce valuable global records of changes in atmospheric circulation and aridity. These studies have highlighted the importance of atmospheric dust in marine and terrestrial biogeochemistry and nutrient cycling. By investigating a 10800-year-long paleoclimate archive from the Eastern Carpathians (Romania) we present the first peat record of changing dust deposition over the Holocene for the Carpathian-Balkan region. Using qualitative (X-ray fluorescence (XRF) core scanning) and quantitative inductively coupled plasma optical emission spectrometer(ICP-OES) measurements of lithogenic (K, Si, Ti) elements, we identify 10 periods of major dust deposition between 9500-9200, 8400-8100, 7720-7250, 6350-5950, 5450-5050, 4130-3770, 3450-2850, 2000-1450, 800-620, and 60 cal yr BP to present. In addition, we used testate amoeba assemblages preserved within the peat to infer local palaeohydroclimatic conditions. Our record highlights several discrepancies between eastern and western European dust depositional records and the impact of highly complex hydrological regimes in the Carpathian region. Since 6100 cal yr BP, we find that the geochemical indicators of dust flux have become uncoupled from the local hydrology. This coincides with the appearance of millennial-scale cycles in the dust input and changes in geochemical composition of dust. We suggest that this is indicative of a shift in dust provenance from local-regional (likely loess-related) to distal (Saharan) sources, which coincide with the end of the African Humid Period and the onset of Saharan desertification.
    Materialart: Dataset
    Format: application/zip, 2 datasets
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Publikationsdatum: 2023-02-23
    Schlagwort(e): Age, 14C AMS; Age, 14C calibrated, IntCal13 (Reimer et al., 2013); Age, dated; Age, dated material; Age, dated standard deviation; Calendar age, maximum/old; Calendar age, minimum/young; COMPCORE; Composite Core; DEPTH, sediment/rock; MOHOS; Mohos, Romania; Sample, optional label/labor no
    Materialart: Dataset
    Format: text/tab-separated-values, 96 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
    Publikationsdatum: 2023-05-12
    Schlagwort(e): Danube, Romania, Europe; DEPTH, sediment/rock; OUTCROP; Outcrop sample; Rasova_section; Size fraction 〈 0.020 mm
    Materialart: Dataset
    Format: text/tab-separated-values, 347 data points
    Standort Signatur Erwartet Verfügbarkeit
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