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  • 1
    Online Resource
    Online Resource
    San Diego :Elsevier,
    Keywords: Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (754 pages)
    Edition: 1st ed.
    ISBN: 9780128118573
    DDC: 551.44/7
    Language: English
    Note: Front Cover -- Ice Caves -- Copyright -- Dedication -- Contents -- Contributors -- Part: I: Perennial Ice Accumulations in Caves: Overview -- Chapter 1: Introduction -- References -- Chapter 2: History of Ice Caves Research -- 2.1 Introduction -- 2.2 First Historical Reports on Ice Caves Worldwide -- 2.3 Development of the Terminology Related to Ice Caves -- 2.4 History of Ice Caves Theories -- 2.5 First Systematical Investigations -- 2.6 Conclusions -- References -- Further Reading -- Chapter 3: Ice Caves Climate -- 3.1 Air Circulation -- 3.2 Air Temperature and Humidity -- 3.3 Conclusions - A Conceptual Model of Ice Caves Climate -- References -- Further Reading -- Chapter 4: Ice Genesis, Morphology and Dynamics -- Chapter 4.1: Ice Genesis and Types of Ice Caves -- 4.1.1 Cave Glaciation -- 4.1.2 Reasons and Conditions of Cave Glaciation -- 4.1.2.1 Origin of Natural Cavities -- 4.1.2.2 Common Preconditions of Caves Glaciation -- 4.1.2.3 Conditions of Cave Glaciation -- 4.1.2.3.1 Main reasons for cave glaciation -- Temperature ratio between the rock and outside air -- The favorable form of cavities -- Formation of a cold reserve -- Water inflow into cavities -- 4.1.2.3.2 Secondary factors affecting cave glaciation -- 4.1.2.4 Stability of Cave Glaciation -- 4.1.2.5 Interaction of Cave Glaciation With The Earth's Surface -- 4.1.3 Ice Genesis in Ice Caves -- 4.1.3.1 Zones of Ice Formation in Caves -- 4.1.3.2 Snow-Ice Formations -- 4.1.3.3 Classification of Snow-Ice Formations in Caves -- 4.1.3.4 Details of Ice Structure in Caves of Different Morphologies -- 4.1.3.5 Chemical Composition of Snow-Ice Formations in Caves -- References -- Further Reading -- Chapter 4.2: Ice Surface Morphology -- 4.2.1 Introduction -- 4.2.2 Ice Surfaces in Caves: Formation, Spatial Position, and Duration -- 4.2.3 Large-scale Morphology of Ice Bodies in Caves. , 4.2.4 Small-Scale Ice Morphologies -- 4.2.4.1 Long-Lasting Forms -- 4.2.4.1.1 Supraglacial Ice-Deposited Forms -- Forms generated by the freezing of tiny water film or sheet wash water flow -- Forms generated by the freezing of dripping water -- 4.2.4.1.2 Supraglacial Ablation Forms -- Forms induced by air flow -- Forms generated by stagnant ponded water -- Anthropogenic forms -- 4.2.4.1.3 Supraglacial Compounded Ice-Deposited/Ablation Forms -- Forms generated by the repeated ice melting and freezing of stagnant ponded water -- 4.2.4.1.4 Intraglacial Ablation Forms -- Forms generated by air flow -- Anthropogenic forms -- 4.2.4.1.5 Subglacial Ablation Forms -- Forms generated by the ice sublimation due to air flow -- 4.2.4.2 Ephemeral Ice Forms -- 4.2.4.2.1 Supraglacial Ice-Deposited Forms -- Forms formed by the freezing of thin water film or sheet wash water flow -- Forms formed by the freezing of dripping water -- 4.2.4.2.2 Supraglacial Ablation Forms -- Forms generated by dripping water -- Forms generated by dripping and stagnant water -- Forms generated by falling/running or intensively dripping water -- Forms generated by sheet wash water flow -- Forms generated by channeled water flow -- Forms generated by the upward expansion of freezing stagnant ponded water -- Anthropogenic forms -- 4.2.5 Conclusions -- Acknowledgments -- References -- Further Reading -- Chapter 4.3: Ice Dynamics in Caves -- 4.3.1 Introduction -- 4.3.2 Subannual Dynamics -- 4.3.2.1 Hoar Frost -- 4.3.2.2 Ice Speleothems (Stalagmites, Stalactites, and Columns) -- 4.3.3 Multiannual to Centennial Ice Dynamics -- References -- Chapter 5: Dating Cave Ice Deposits -- 5.1 Introduction -- 5.2 Dating Methods -- 5.2.1 Direct Dating-Layer Counting -- 5.2.2 Indirect Dating -- 5.2.2.1 Mass turnover -- 5.2.2.2 Dating the last ~100 years by anthropogenic and/or short-lived radionuclides. , Tritium (3H) -- Radiocaesium (137Cs) and Americium-241 (241Am) -- Radiolead (210Pb) -- 5.2.2.3 Radiocarbon (14C) -- 5.2.2.4 Dendrochronology -- 5.3 Some Practical Aspect -- 5.3.1 Sample Selection for Radiocarbon Dating: The Bigger, the Better? -- 5.3.2 A Potential Method-Cryogenic Cave Carbonate (CCC) Layers -- 5.4 Conclusion or What is the Recommended Dating Strategy in Cave Ice Profiles? -- Acknowledgements -- References -- Chapter 6: Cryogenic Mineral Formation in Caves -- 6.1 Introduction -- 6.2 Freezing of Mineralized Aqueous Solutions in Caves-Theoretical Principles and Subdivision of the Environments -- 6.3 Cryogenic Minerals Related to Rapid Freezing of Low-TDS Water in Limestone Caves -- 6.4 Cryogenic Carbonates (CCCcoarse) Formed by Slow Freezing of Low-TDS Water in Limestone Caves -- 6.5 Cryogenic Cave Minerals Related to Rapid Freezing of High-TDS Water in Gypsum Caves -- 6.6 Stable Isotope Characteristics of Cryogenic Cave Minerals -- Acknowledgments -- References1 -- Chapter 7: Ice Cave Fauna -- References -- Chapter 8: Microbial Life in Ice Caves -- 8.1 Introduction -- 8.2 Sample Collection -- 8.3 Microbial Abundance -- 8.4 Bacterial Communities -- 8.4.1 Uncultured Bacteria -- 8.4.2 Cultured Bacteria -- 8.4.3 Isolated Bacterial Strains -- 8.5 Archaeal Communities -- 8.6 Fungal Communities -- 8.7 Diatoms -- 8.8 Conclusions -- Acknowledgments -- References -- Further Reading -- Chapter 9: Paleoclimatic Significance of Cave Ice -- 9.1 Introduction -- 9.2 Cave Glaciers and Their Age -- 9.3 Oxygen and Hydrogen Isotope Composition of Ice -- 9.4 Organic Remains Trapped in Ice -- 9.5 Conclusions -- Acknowledgments -- References -- Chapter 10: The Management of Ice Show Caves -- 10.1 Introduction -- 10.2 Show Cave Management With Special Reference to the Eisriesenwelt in Austria -- 10.3 Management From a Historical Perspective. , 10.4 The Key Elements of Ice Show Cave Management -- 10.4.1 Pathways -- 10.4.2 Lighting -- 10.4.3 Maintenance/Cleaning -- 10.4.4 Visitor Management -- 10.5 Management of Nature Conservation -- 10.5.1 Mechanical Interference -- 10.5.2 Increase in Cave Temperature Caused by Visitors -- 10.5.3 Influence of Developmental Measures on the Biological System of Caves -- 10.6 Further Aspects of Cave Management -- 10.6.1 Safety -- 10.6.2 Training -- 10.6.3 Marketing -- 10.7 Scientific Research -- 10.8 Postscript -- Further Reading -- Part II: Ice Caves of the World -- Chapter 11: Geography of Cave Glaciation -- References -- Chapter 12: Ice Caves in Switzerland -- 12.1 Introduction -- 12.2 Historical Considerations on Ice Caves -- 12.3 State of Knowledge -- 12.4 Selected Ice Caves -- 12.4.1 Jochloch-A High-Elevation Cave Within the Permafrost Zone -- 12.4.2 Diablotins Ice Cave-A Dynamically Ventilated Ice Cave -- 12.4.3 Monlesi Ice Cave-A Statodynamic Ice Cave With Congelation Ice -- 12.4.4 St-Livres Ice Cave-A Typical Cold Air Trap (Static Cave) With Firn Deposit -- 12.4.5 Further Investigation Sites -- 12.5 Conclusion -- References -- Chapter 13: Ice Caves in Austria -- 13.1 Introduction -- 13.2 Ice Cave Research -- 13.3 Types of Ice Caves in Austria -- 13.4 Distribution of Ice Caves in Austria -- 13.5 Examples of Ice Caves in Austria -- 13.5.1 Eisriesenwelt -- 13.5.2 Schönberg-Höhlensystem -- 13.5.3 Dachstein-Mammuthöhle -- 13.5.4 Hundsalm Eis- und Tropfsteinhöhle -- 13.6 Outlook -- Acknowledgments -- References -- Chapter 14: Ice Caves in Montenegro and Bosnia and Herzegovina -- 14.1 Introduction -- 14.2 Basic Physical and Geographical Characteristics of Montenegro -- 14.2.1 Relief -- 14.2.2 Geotectonic Relations With Lithological Basis -- 14.2.2.1 The zone of deep karst -- 14.2.2.2 Kuc overthrust -- 14.2.2.3 Durmitor zone -- 14.2.3 Main Relief Unities. , 14.2.3.1 The area of deep karst -- 14.2.3.2 The area of high mountains and plateaus -- 14.3 Ice Caves in the Durmitor Mountains -- 14.3.1 Group of Facilities of Obla Glava Vicinity -- 14.3.1.1 Cave at Baranjske cottages -- 14.3.1.2 The Ice Cave -- 14.3.1.3 Snowy Pothole -- 14.3.1.4 The Ice Cave -- 14.3.1.5 The cave under Obla Glava -- 14.3.1.6 Vjetrena cave -- 14.3.2 The Area of Veliki Stuoc -- 14.3.2.1 Kosarska cave -- 14.3.3 Facilities in the Zone of Vjetrena Hills -- 14.3.3.1 The cave with the ice under Bandijerna -- 14.3.3.2 The cave in the saddle between Uvita Greda and Vjetrena Hills -- 14.4 Ice Caves in the Prokletije Mountains -- 14.4.1 General Information About Caves -- 14.4.2 Ice Caves in the Prokletije Mountains -- 14.4.2.1 Ice Cave (03 110) -- 14.4.2.2 The 03 061-T5 (03 067) cave system -- 14.4.2.3 Mining Cave (03 313) -- 14.4.2.4 Ice Giant Cave (03 114) -- 14.4.2.5 Aladdin's Cave (03 149) -- 14.4.2.6 Bolt from the Blue Cave -- 14.4.2.7 Ice Dragon Cave (03 003) -- 14.4.2.8 The Hundred (03 001)-03 004 Cave system -- 14.5 Ice Caves of Bosnia and Herzegovina -- References -- Further Reading -- Chapter 15: Ice Caves in Canada -- 15.1 Introduction and History -- 15.2 Cave Ice Science in Canada -- 15.3 Selected Ice Caves -- 15.3.1 Yukon Territory -- 15.3.1.1 Ni'iinlii Njik Ice Caves, Old Crow Region -- 15.3.2 Northwest Territories (NT) -- 15.3.2.1 Nahanni Karst -- 15.3.3 Walkin-Ice Cave, Wood Buffalo National Park, Alberta, and Northwest Territories -- 15.3.4 The Rocky Mountains, Alberta-British Columbia -- 15.3.4.1 Ice Trap, Jasper National Park, AB -- 15.3.4.2 Disaster Point Ice Cave, Jasper National Park, Alberta -- 15.3.4.3 Castleguard Cave, Columbia Icefields, Alberta-British Columbia -- 15.3.4.4 Canyon Creek Ice Cave, Kananaskis Country, Alberta -- 15.3.4.5 Plateau Mountain Ice Cave (PMIC), Kananaskis Country, Alberta. , 15.3.4.6 Serendipity, Crowsnest Pass, Alberta/British Columbia.
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  • 2
    Publication Date: 2019-11-19
    Description: We present the first annual oxygen isotope record (1900–2016) from the latewood (LW) cellulose of oak trees (Quercus robur) from NW Romania. As expected, the results correlate negatively with summer relative humidity, sunshine duration and precipitation and positively with summer maximum temperature. Spatial correlation analysis reveals a clear signal reflecting drought conditions at a European scale. Interannual variability is influenced by large-scale atmospheric circulation and by surface temperatures in the North Atlantic Ocean and the Mediterranean Sea. There is considerable potential to produce long and well-replicated oak tree ring stable isotope chronologies in Romania which would allow reconstructions of both regional drought and large-scale circulation variability over southern and central Europe.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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  • 3
    Publication Date: 2017-05-08
    Description: Among abundant reconstructions of Holocene climate in Europe, only a handful has addressed winter conditions, and most of these are restricted in length and/or resolution. Here we present a record of late autumn through early winter air temperature and moisture source changes in East-Central Europe for the Holocene, based on stable isotopic analysis of an ice core recovered from a cave in the Romanian Carpathian Mountains. During the past 10,000 years, reconstructed temperature changes followed insolation, with a minimum in the early Holocene, followed by gradual and continuous increase towards the mid-to-late-Holocene peak (between 4-2 kcal BP), and finally by a decrease after 0.8 kcal BP towards a minimum during the Little Ice Age (AD 1300–1850). Reconstructed early Holocene atmospheric circulation patterns were similar to those characteristics of the negative phase of the North Atlantic Oscillation (NAO), while in the late Holocene they resembled those prevailing in the positive NAO phase. The transition between the two regimes occurred abruptly at around 4.7 kcal BP. Remarkably, the widespread cooling at 8.2 kcal BP is not seen very well as a temperature change, but as a shift in moisture source, suggesting weaker westerlies and increased Mediterranean cyclones penetrating northward at this time.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 4
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    COPERNICUS GESELLSCHAFT MBH
    In:  EPIC3Climate of the Past, COPERNICUS GESELLSCHAFT MBH, 15(2), pp. 781-793, ISSN: 1814-9324
    Publication Date: 2019-04-29
    Description: Causal explanations for the 4.2 ka BP event are based on the amalgamation of seasonal and annual records of climate variability that was manifest across global regions dominated by different climatic regimes. However, instrumental and paleoclimate data indicate that seasonal climate variability is not always sequential in some regions. The present study investigates the spatial manifestation of the 4.2 ka BP event during the boreal winter season in Eurasia, where climate variability is a function of the spatiotemporal dynamics of the westerly winds. We present a multi-proxy reconstruction of winter climate conditions in Europe, west Asia, and northern Africa between 4.3 and 3.8 ka. Our results show that, while winter temperatures were cold throughout the region, precipitation amounts had a heterogeneous distribution, with regionally significant low values in W Asia, SE Europe, and N Europe and local high values in the N Balkan Peninsula, the Carpathian Mountains, and E and NE Europe. Further, strong northerly winds were dominating in the Middle East and E and NE Europe. Analyzing the relationships between these climatic conditions, we hypothesize that in the extratropical Northern Hemisphere, the 4.2 ka BP event was caused by the strengthening and expansion of the Siberian High, which effectively blocked the moisture-carrying westerlies from reaching W Asia and enhanced outbreaks of cold and dry winds in that region. The behavior of the winter and summer monsoons suggests that when parts of Asia and Europe were experiencing winter droughts, SE Asia was experiencing similar summer droughts, resulting from failed and/or reduced monsoons. Thus, while in the extratropical regions of Eurasia the 4.2 ka BP event was a century-scale winter phenomenon, in the monsoon-dominated regions it may have been a feature of summer climate conditions.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 5
    Publication Date: 2020-03-20
    Description: ABSTRACT The region situated between the mountain area and the lowlands in NE Romania (East-Central Europe) is experiencing increased competition for water resources triggered by a growing population, intensification of agriculture, and industrial development. To better understand hydrological cycling processes in the region, a study was conducted using stable isotopes of water and atmospheric trajectory data to characterize regional precipitation and vapour sources derived from the Atlantic Ocean, Mediterranean and Black Seas, as well as recycled continental moisture, and to assess and partition these contributions to recharge of surface and groundwater. Atmospheric moisture in the lowlands is found to be predominantly delivered along easterly trajectories, while mountainous areas appear to be dominated by North Atlantic Ocean sources, with moisture transported along mid-latitude, westerly storm tracks. Large-scale circulation patterns affect moisture delivery, the North Atlantic Oscillation being particularly influential in winter and the East Atlantic pattern in summer. Winter precipitation is the main contributor to river discharge and aquifer recharge. As winter precipitation amounts are projected to decrease over the next decades, and water abstraction is expected to steadily increase, a general reduction in water availability is projected for the region.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 6
    Publication Date: 2019-10-11
    Description: The Mediterranean region and the Levant have returned some of the clearest evidence of a climatically dry period occurring around 4200 years ago. However, some regional evidence is controversial and contradictory, and issues remain regarding timing, progression, and regional articulation of this event. In this paper, we review the evidence from selected proxies (sea-surface temperature, precipitation, and temperature reconstructed from pollen, 18O on speleothems, and 18O on lacustrine carbonate) over the Mediterranean Basin to infer possible regional climate patterns during the interval between 4.3 and 3.8 ka. The values and limitations of these proxies are discussed, and their potential for furnishing information on seasonality is also explored. Despite the chronological uncertainties, which are the main limitations for disentangling details of the climatic conditions, the data suggest that winter over the Mediterranean involved drier conditions, in addition to already dry summers. However, some exceptions to this prevail – where wetter conditions seem to have persisted – suggesting regional heterogeneity in climate patterns. Temperature data, even if sparse, also suggest a cooling anomaly, even if this is not uniform. The most common paradigm to interpret the precipitation regime in the Mediterranean – a North Atlantic Oscillation-like pattern – is not completely satisfactory to interpret the selected data.
    Description: Monica Bini and Giovanni Zanchetta are indebted to the University of Pisa and Earth Science Department for the support in organizing the workshop “The 4.2 ka BP Event”. Monica Bini and Giovanni Zanchetta’s contribution have also been developed within the frame of the project “Climate and alluvial event in Versilia: integration of Geoarcheological, Geomorphological, Geochemical data and numerical simulations” awarded to Monica Bini and funded by the Fondazione Cassa di Risparmio di Lucca. Leszek Marks and Fabian Welc were funded by the National Science Centre in Poland (decision no. DEC-2013/09/B/ST10/02040). Aurel Per¸soiu was funded by UEFISCDI Romania, trough grant no. PN-III-P1-1.1-TE-2016-2210.
    Description: Published
    Description: 555-557
    Description: 5A. Ricerche polari e paleoclima
    Description: JCR Journal
    Keywords: 4.2 ka BP event ; Mediterranean Basin ; Paleoclimate
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 7
    Publication Date: 2023-12-31
    Description: The role of seasonality is indisputable in climate and ecosystem dynamics. Seasonal temperature and precipitation variability are of vital importance for the availability of food, water, shelter, migration routes, and raw materials. Thus, understanding past climatic and environmental changes at seasonal scale is equally important for unearthing the history and for predicting the future of human societies under global warming scenarios. Alas, in palaeoenvironmental research, the term �seasonality change� is often used liberally without scrutiny or explanation as to which seasonal parameter has changed and how. Here we provide fundamentals of climate seasonality and break it down into external (insolation changes) and internal (atmospheric CO2 concentration) forcing, and regional and local and modulating factors (continentality, altitude, large-scale atmospheric circulation patterns). Further, we present a brief overview of the archives with potentially annual/seasonal resolution (historical and instrumental records, marine invertebrate growth increments, stalagmites, tree rings, lake sediments, permafrost, cave ice, and ice cores) and discuss archive-specific challenges and opportunities, and how these limit or foster the use of specific archives in archaeological research. Next, we address the need for adequate data-quality checks, involving both archive-specific nature (e.g., limited sampling resolution or seasonal sampling bias) and analytical uncertainties. To this end, we present a broad spectrum of carefully selected statistical methods which can be applied to analyze annually- and seasonally-resolved time series. We close the manuscript by proposing a framework for transparent communication of seasonality-related research across different communities.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 8
    Publication Date: 2024-04-22
    Description: The eastern part of Europe is very poorly represented in the Global Network for Isotopes in Precipitation (GNIP) database, mainly because the monitoring of the stable isotopes in precipitation started only recently compared with other regions. In this respect, the main objective of this article is to fill the gap in the GNIP database over the eastern part of Europe and show the temporal variability and potential drivers of an extended network of δ18O values in precipitation collected from 27 locations in Romania and the Republic of Moldova. We also present the first high-resolution map of the spatio-temporal distribution of δ18O values in precipitation in Romania and the Republic of Moldova, according to an observational dataset. According to our results, the stations from western and northern Romania tend to have LMWLS with higher values than those from southwestern Romania. The monthly variation of the δ18O and δ2H showed a clearly interannual variation, with distinct seasonal differences, following the seasonal temperatures. The analysis of the spatial distribution of stable isotopes in precipitation water was made on the basis of both observational data and modeled data. This allowed us to study the origin of the air moisture and the interaction with regional and local patterns and to analyze the link between the spatial δ18O variations and the large-scale circulation patterns on a seasonal scale.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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