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  • Anthropocene  (1)
  • Environment.  (1)
  • 1
    Online-Ressource
    Online-Ressource
    Cham :Springer International Publishing :
    Schlagwort(e): Physical geography. ; Earth sciences. ; Environment. ; Geography. ; Physical Geography. ; Earth Sciences. ; Environmental Sciences. ; Regional Geography.
    Beschreibung / Inhaltsverzeichnis: Part I. Background -- Geology, climate and landscape evolution -- Quaternary and holocene palaeoclimates of the Sahara -- Plant and animal life in the Sahara -- Human exploitation of the Central Sahara -- Field investigation, remote sensing and geomorphological mapping -- Part II. Landforms and landscapes -- Evidence for past glaciations -- Volcanoes and igneous landforms -- Sandstone massifs -- Solutional landforms and karstic weathering -- Alluvial fans, escarpments, and pediments -- Hamada, serir, and desert pavement -- Sand seas – North -- Sand seas – South and west. .
    Kurzfassung: This book describes the Central Sahara region, bringing together an unprecedented combination of diverse and often historic research published in different languages in order to describe its varied landscapes and landforms. The Central Sahara region consists of Libya, Algeria, Mali, Niger and Chad, countries that share similar landscape histories and common landscape traits, including massifs, sand seas, paleowater features and large depressions. Furthermore, human settlement of this region goes hand-in-hand with climate and environmental changes and landscape evolution during the Holocene and earlier; hence, Central Saharan landscapes and landforms provide valuable insights into landscape–human relationships over long timescales. The book offers a comprehensive yet accessible reference source, drawing on both past and present interdisciplinary research and gathering the insights of authors from many different countries to explore a region that has largely been overlooked in available literature.
    Materialart: Online-Ressource
    Seiten: VIII, 235 p. 105 illus., 97 illus. in color. , online resource.
    Ausgabe: 1st ed. 2023.
    ISBN: 9783031471605
    Serie: World Geomorphological Landscapes,
    DDC: 910.02
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Publikationsdatum: 2021-11-29
    Beschreibung: Disentangling the effects of climate and human impact on the long-term evolution of the Earth Critical Zone is crucial to understand the array of its potential responses to the ongoing Global Change. This task requires natural archives from which local information about soil and vegetation can be linked directly to climate parameters. Here we present a high-resolution, well-dated, speleothem multiproxy record from the SW Italian Alps, spanning the last ~10,000 years of the present interglacial (Holocene). We correlate magnetic properties and the carbon stable isotope ratio to soil stability and pedogenesis, whereas the oxygen isotope composition is interpreted as primarily related to precipitation amount, modulated at different timescales by changes in precipitation source and seasonality. During the 9.7-2.8 ka period, when anthropic pressure over the catchment was scarce, intervals of enhanced soil erosion are related to climate-driven vegetation contractions and occurred during drier periods. Immediately following the onset of the Iron Age (ca. 2.8 ka), by contrast, periods of enhanced soil erosion coincided with a wetter climate. We propose that the observed changes in the soil response to climate forcing were related to early anthropogenic manipulations of Earth's surface, which made the ECZ more sensitive to climate oscillations.
    Beschreibung: University of Pisa (Fondi di Ateneo assigned to ER and GZ)Australian Research Council Discovery Project scheme (grant number DP160102969, assigned to RND, JH, GZ and ER)the National Geographic Society (CP-073ER-17)
    Beschreibung: Published
    Beschreibung: id 17829
    Beschreibung: 5A. Ricerche polari e paleoclima
    Beschreibung: JCR Journal
    Schlagwort(e): speleothem ; magnetism ; stable isotope geochemistry ; Earth Critical Zone ; Anthropocene ; Alps ; the effects of climate and human impact
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Standort Signatur Erwartet Verfügbarkeit
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