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  • 1
    Monograph available for loan
    Monograph available for loan
    Amsterdam [u.a.] : Elsevier
    Associated volumes
    Call number: AWI A2-07-0016
    In: Developments in quaternary science
    Description / Table of Contents: Table of Contents: Preface. - Acknowledgements. - Section 1: Forcing Mechanisms. - Section 2: Methods of palaeoclimate reconstruction and dating. - Section 3: Climate and vegetation in Europe during MIS 5. - Section 4: Climate, Vegetation and Mammalian faunas in Europe during Middle Pleistocene Interglacials (MIS 7, 9, 11). - Section 5: Modelling past interglacial climates. - Section 6: Synthesis. - Index
    Type of Medium: Monograph available for loan
    Pages: XIII, 622 S. : Ill., graph. Darst. + 1 CD-ROM
    Edition: 1. ed.
    ISBN: 0444529551 , 978-0-444-52955-8
    Series Statement: Developments in quaternary science 7
    Classification: D.4.
    Branch Library: AWI Library
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  • 2
    Monograph available for loan
    Monograph available for loan
    Amsterdam [u.a.] : Elsevier
    Associated volumes
    Call number: 9/M 08.0390
    In: Developments in quaternary science
    Description / Table of Contents: Abstract: Helps you learn about the climate-environment system, its sensitivity, thresholds and feedback. This book presents the science on reconstructions from the Earth System, on methodological advances and on the ability of numerical models to simulate low and high frequency changes of climate, environment, and chemical cycling related to interglacials. Contents: Chapter 1. Forcing mechanisms (ed. M. Claussen) Chapter 2. Methods of palaeoclimate reconstruction and dating (ed. Frank Sirocko) Chapter 3 Climate and vegetation in Europe during MIS5 (M.F. S nchez Goni) Chapter 4. Climate and vegetation history of MIS 5-15 in Europe (Ed. Thomas Litt). Chapter 5. Modelling past interglacial climates (ed. Martin Claussen) Chapter 6. Analysis (F. Sirocko, M,.Claussen, et al.)
    Type of Medium: Monograph available for loan
    Pages: XIII, 622 S. : Ill., graph. Darst. + 1 CD-ROM
    Edition: Reprint.
    ISBN: 0444529551 , 978-0-444-52955-8
    Series Statement: Developments in quaternary science 7
    Location: Reading room
    Branch Library: GFZ Library
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  • 3
    Monograph available for loan
    Monograph available for loan
    [Stuttgart] : [Theiss]
    Call number: M 09.0213
    Type of Medium: Monograph available for loan
    Pages: 208 S.
    Edition: 1. Aufl.
    ISBN: 9783806222685
    Classification: D.4.
    Branch Library: GFZ Library
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  • 4
    Publication Date: 2020-01-17
    Description: This data collection contains pollen profiles, pollen stratigraphy and age determination of four sites at Rudower See, Brandenburg, Germany.
    Type: Dataset
    Format: application/zip, 10 datasets
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  • 5
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    PANGAEA
    In:  Supplement to: Sirocko, Frank; Knapp, Hannes; Dreher, Frank; Förster, Michael W; Albert, Johannes; Brunck, Heiko; Veres, Daniel; Dietrich, Stephan; Zech, Michael; Hambach, Ulrich; Röhner, Marieke; Rudert, Saskia; Schwiebus, Klaus; Adams, Christel; Sigl, Petra (2016): The ELSA-Vegetation-Stack: Reconstruction of Landscape Evolution Zones (LEZ) from laminated Eifel maar sediments of the last 60,000years. Global and Planetary Change, 142, 108-135, https://doi.org/10.1016/j.gloplacha.2016.03.005
    Publication Date: 2020-01-17
    Description: Laminated sediment records from several maar lakes and dry maar lakes of the Eifel (Germany) reveal the history of climate, weather, environment, vegetation, and land use in central Europe during the last 60,000 years. The time series of the last 30,000 years is based on a continuous varve counted chronology, the MIS3 section is tuned to the Greenland ice - both with independent age control from 14C dates. Total carbon, pollen and plant macrofossils are used to synthesize a vegetation-stack, which is used together with the stacks from seasonal varve formation, flood layers, eolian dust content and volcanic tephra layers to define Landscape Evolution Zones (LEZ). LEZ 1 encompasses the landscape dynamics of the last 6000 years with widespread human influence. The natural oak and hazel forests of the early Holocene back to 10,500 b2k define LEZ 2. LEZ 3, the late glacial between 10,500 and 14,700 b2k, shows the development of a boreal forest with abundant grass and shallow water biomass in the lakes. The maximum of the last glaciation (LEZ 4: 14,700-23,000 b2k) was characterized by sparse vegetation of moss and characeae. These sediments are generally devoid of clay and sand and reveal no indication of snow-meltwater events. Accordingly, the Last Glacial Maximum (LGM) must have been extremely arid in central Europe. The sediments of the subsequent LEZ 5 from 23,000-28,500 b2k preserve distinct layers of clay and coarse sand, which indicates running water with clay in suspension and ephemeral coarse-grained fluvial sediment discharge. Abundant Ranunculaceae macroremains (used for 14C dating), insects, moss and fungi sclerotia reflect a tundra environment during a time of frequent strong snowmelt events. Total carbon content, Betula-Pinus pollen and diatoms reach increased concentrations during Marine Isotope Stage (MIS) 3 interstadials that occurred between 28,500 and 36,500 b2k (LEZ 6). The entire MIS3 interstadials are well documented in the organic carbon record from the Auel dry maar. The main paleobotanical indicators of MIS3 are, however, grass pollen and heliophytes, which indicate a steppe environment with scattered/patchy trees during the interstadials. The stadial phases inferred during LEZ 6 reveal initiation of eolian dust deflation. The change of the early MIS 3 forested landscape to a steppe occurred with the LEZ 7-LEZ 6 transition. This is when modern man spread in central Europe. The principle vegetation change to a steppe at 36,500 b2k must have favoured the spread of horses, an important hunting prey of modern humans. We propose accordingly that the migration of the modern humans into central Europe might have been at least partly driven by climate and associated vegetation change. The LEZ 7 encompassed the time interval 36,500 to 49,000 b2k and was characterized by a boreal forest with high abundance of pine, birch, as well as spruce during the interstadial events. Abundant charcoal fragments indicate that this taiga was under frequent drought stress with regular burning. The most unexpected finding, but corroborated by all our maar records is the dominance of thermophilous tree taxa from 49,000 to 55,000 b2k (LEZ 8). Greenland interstadials 13 and 14 were apparently the warmest of MIS 3 according to the Eifel pollen records. The preceeding LEZ 9 from 55,000 to 60,000 b2k is also dominated by spruce, but thermophilous trees were sparse. A warm early MIS3 appears plausible, because summer insolation (at 60° N) was higher in the early MIS 3 than today, ice cover was low in Scandinavia and sea-surface temperatures of the North Atlantic were almost comparable to modern values during GI-14.
    Type: Dataset
    Format: application/zip, 5 datasets
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  • 6
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    PANGAEA
    In:  Supplement to: Sirocko, Frank (1989): Zur Akkumulation von Staubsedimenten im nördlichen Indischen Ozean; Anzeiger der Klimageschichte Arabiens und Indiens. Dissertation, Berichte-Reports, Geologisch-Paläontologisches Institut der Universität Kiel, 27, 185 pp, https://doi.org/10.2312/reports-gpi.1989.27
    Publication Date: 2020-01-17
    Description: Die Entwicklung des sommerlichen SW-Monsun im Arabischen Meer während der letzten 27,000 Jahre zeigt drei klimatisch stabile Zeitabschnitte: 0-4000 J.v.h., 6000-12,000 J.v.h. und 15,000-27,000 J.v.h.. Phasen großräumiger Änderungen in der Lage des SW-Monsuns fallen in die Zeiten vor 4000-6000 J.v.h. und 12,000-15,000 J.v.h.. Diese Alter wurden über Sauerstoffisotopenstratigraphie an Planktonforaminiferen und 14C-Datierungen bestimmt. Darauf aufbauend und mit Hilfe der sedimentphysikalischen Eigenschaften wurden die Gesamtakkumulationsraten der hemipelagischen Sedimente insgesamt und der einzelnen marinen und lithogenen Sedimentkomponenten bestimmt, besonders die Akkumulationsraten des lithogenen und marinen Karbonats, des Biogen-Opals, der siliziklastischen Korngrößenfraktionen und der Tonminerale. Insgesamt wurden nach dieser Methode die ungestörten, turbiditfreien Profilabschnitte von 40 Tiefseekernen bearbeitet, welche die Sedimente des Arabischen Meer von 25°N bis 10°S erfassen. Eine Studie rezenter Satellitenbilder zeigt, daß die staubbeladenen Winde aus dem Inneren Arabiens die bodennahe SW-Monsunströmung über dem Ozean Überschichten und der Staub entlang der Monsuninversion Richtung E auf das Arabische Meer vor Nordindien transportiert wird. Bedingt durch Regenfälle und extrem kräftige Windstärken bildet somit das Monsunsystem eine wirksame Barriere gegen eine weitere Ausbreitung der Staubfracht aus Arabien nach Süden. Die Gesamtmenge des transportierten Staubes beträgt im Jahr 1979 115-215*10**6 t/y, während die Gesamtakkumulationsraten pelagischer Sedimente während des Holozäns zu 100*10**6 t/y, die des Glazials zu 160 *10**6 t/y bestimmt werden konnten. Ein Vergleich der Verteilungsmuster siliziklastischer Korngrößen während der letzten 8000 Jahre mit den rezenten Windbahnen zeigt, daß sowohl Akkumulationsraten wie relative Korngrößenanteile der siliziklastischen Fraktion 〉 6 µm die Lage der Kernströmung des SW-Monsun wiederspiegeln. Dabei entspricht die 20 % Isolinie der Anteile 〉 6 µm an der gesamten siliziklastischen Fraktion etwa dem Verlauf der Kernströmung des Monsuns, dem 'Somali Jet', die 30 % Isolinie der maximalen Nordausdehnung der Monsunregen. Anhand jener Isolinien läßt sich die Position des SW-Monsuns über die letzten 27,000 Jahre zurückverfolgen. Demnach reichten monsunale Niederschläge in den letzten 6000 Jahren bis an die Küste Arabiens, der 'Somali Jet' strömte vom Horn von Afrika in Richtung auf die Indische Küste bei 20°N. Zuvor, 6000-12.000 J.v.h., reichte der bodennahe SW-Monsun bis in die Wüsten Arabiens und Nordindiens, die Position des Somali Jet blieb allerdings etwa konstant. In der Zeit vor 12000 J.v.h. lag das gesamte Monsunsystem weiter im Süden als heute, im Golf von Aden um 100-200 km, an der Indischen Küste dagegen um ca. 800 km. Die sommerliche Windzirkulation während des gesamten Früh- und Hochglazials von 12.000 J.v.h. bis mindestens 27.000 J.v.h. wird durch folgende Verhältnisse gekennzeichnet: Kräftige, staubreiche NW-Winde wehen über das nördliche Arabische Meer, während der SW-Monsun auf Breiten südlich 20°N beschränkt bleibt. Während Veränderungen in der Intensität des sommerlichen SW-Monsuns mit Änderungen in der solaren Einstrahlung erklärt werden können, ist die Verschiebung des SW-Monsuns nach Süden durch diesen Mechanismus allein nicht zu erklären. Globale Klimamodelle, die eine Eiskappe über Tibet in ihre Berechnungen der glazialen Winde einbeziehen, stimmen dagegen mit den vorliegenden marinen Sedimentdaten besser überein.
    Type: Dataset
    Format: application/zip, 52 datasets
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  • 7
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    PANGAEA
    In:  Supplement to: Seelos, Klemens; Sirocko, Frank; Dietrich, Stephan (2009): A continuous high-resolution dust record for the reconstruction of wind systems in central Europe (Eifel, Western Germany) over the past 133 ka. Geophysical Research Letters, 36(20), https://doi.org/10.1029/2009GL039716
    Publication Date: 2020-01-17
    Description: The last glacial cycle in Central Europe is dominated by processes of aeolian dust transport and accumulation. These dust deposits are preserved in soils and lake sediments and provide detailed information about the climate variability during cold and dry periods. Especially the transitions from warm into cold periods are characterized by turbulent climate conditions. The main problems of terrestrial paleoclimate reconstructions are the completeness of the core material and a sampling resolution. To detect single dust storms we use a particle detection method, which allows high resolution, sub-annual analyses of sediment structures in undisturbed samples. The ELSA (Eifel Laminated Sediment Archive) stack is a compilation of four different lake sediment cores of the Eifel region (Western Germany) and comprise the period of the last 133 ka. The results of our analyses show high frequencies of dust storm events during the first cold events C24 and C23 after the last warm stage. In opposition, the coldest periods of the last glacial cycle OIS-4 (70-60 ka BP) and OIS-2 (35-14 ka BP) are characterized by stable climate conditions that provide the accumulation of homogenous dust sediments.
    Type: Dataset
    Format: text/tab-separated-values, 1314 data points
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  • 8
    facet.materialart.
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    PANGAEA
    In:  Supplement to: Brunck, Heiko; Sirocko, Frank; Albert, Johannes (2016): The ELSA-Flood-Stack: A reconstruction from the laminated sediments of Eifel maar structures during the last 60000 years. Global and Planetary Change, 142, 136-146, https://doi.org/10.1016/j.gloplacha.2015.12.003
    Publication Date: 2020-01-17
    Description: This study reconstructs the main flood phases in central Europe from event layers in sediment cores from Holocene Eifel maar lakes and Pleistocene dry maar structures. These reconstructions are combined with recent gauge time-series to cover the entire precipitation extremes of the last 60 000 years. In general, Eifel maar sediments are perfectly suited for the preservation of event layers since the deep water in the maar lakes is seasonal anoxic and therefore, bioturbation is low. However, the preservation of annual lamination is only preserved in Holzmaar and Ulmener Maar; the other cores are dated by 14C, magnetostratigraphy, tephra markers and ice core tuning. The cores were drilled in the Eifel region of central western Germany, which represents a climatic homogenous region from Belgium to Poland and all across Central Europe. A total of 233 flood layers over 7.5 mm were detected in all analysed cores. The stratigraphic classification of the flood events follows the newly defined Landscape Evolution Zones (LEZ). The strongest events in the Holocene have occurred during LEZ 1 (0?6000 b2k) in the years 658, 2800 and 4100 b2k. Flood layers in the LEZ 2 (6000-10 500 b2k) are not as frequent as during the LEZ 1, nevertheless, the floods cluster between 6000 and 6500 b2k. Twenty flood layers are found in the LEZ 3 (10 500?14 700 b2k); 11 in LEZ 4 (14 700-21 000 b2k); 15 in LEZ 5 (21 000-28 500 b2k); 34 in LEZ 6 (28 500?36 500 b2k); 8 in LEZ 7 (36 500-49 000 b2k); zero in LEZ 8 (49 000-55 000 b2k) and LEZ 9 (55 000-60 000 b2k). The maximum flood phases during the Pleistocene are at 11 500-17 500 (late glacial and Younger Dryas), 23 000-24 000 (before Greenland Interstadial (GI) 2), 29 000-35 000 (especially between GI 5 and 4) and 44 000-44 500 b2k (transition from GI 12 to 11). The variations in flood dynamics are climatically driven and mainly associated with climate transitions and colder periods, combined with light vegetation. It turns out that low vegetation coverage related to both Greenland Stadial phases and anthropogenic impacts since late Holocene is the main cause for the development of flood layers in maar sediments. The precipitation itself, plays only a secondary role. This interpretation is based on the current climate understanding of cold phases and several studies of fluvial erosion related to vegetation coverage.
    Type: Dataset
    Format: text/tab-separated-values, 240 data points
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  • 9
    Publication Date: 2020-01-17
    Type: Dataset
    Format: text/tab-separated-values, 9 data points
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  • 10
    Publication Date: 2020-01-17
    Type: Dataset
    Format: text/tab-separated-values, 4444 data points
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