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  • 1
    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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  • 2
    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:
    Meteorology and Climatology
    Branch Library: AWI Library
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  • 3
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    AGU (American Geophysical Union) | Wiley
    In:  Eos: Earth & Space Science News, 97 .
    Publication Date: 2018-05-04
    Description: Much of modern climate science fails to consider millennium-scale processes, many of which may prove to be important for predicting the climate trajectory in the shorter term.
    Type: Article , PeerReviewed
    Format: text
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  • 4
    Publication Date: 2018-12-06
    Description: Multiple proxy data reveal that the early to middle Holocene (ca. 8–6 kyr B.P.) was warmer than the preindustrial period in most regions of the Northern Hemisphere. This warming is presumably explained by the higher summer insolation in the Northern Hemisphere, owing to changes in the orbital parameters. Subsequent cooling in the late Holocene was accompanied by significant changes in vegetation cover and an increase in atmospheric CO2 concentration. The essential question is whether it is possible to explain these changes in a consistent way, accounting for the orbital parameters as the main external forcing for the climate system. We investigate this problem using the computationally efficient model of climate system, CLIMBER‐2, which includes models for oceanic and terrestrial biogeochemistry. We found that changes in climate and vegetation cover in the northern subtropical and circumpolar regions can be attributed to the changes in the orbital forcing. Explanation of the atmospheric CO2 record requires an additional assumption of excessive CaCO3 sedimentation in the ocean. The modeled decrease in the carbonate ion concentration in the deep ocean is similar to that inferred from CaCO3 sediment data [Broecker et al., 1999]. For 8 kyr B.P., the model estimates the terrestrial carbon pool ca. 90 Pg higher than its preindustrial value. Simulated atmospheric δ13C declines during the course of the Holocene, similar to δ13C data from the Taylor Dome ice core [Indermühle et al., 1999]. Amplitude of simulated changes in δ13C is smaller than in the data, while a difference between the model and the data is comparable with the range of data uncertainty.
    Type: Article , PeerReviewed
    Format: text
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  • 5
    Publication Date: 2023-01-03
    Description: A new release of the Max Planck Institute for Meteorology Earth System Model version 1.2 (MPI-ESM1.2) is presented. The development focused on correcting errors in and improving the physical processes representation, as well as improving the computational performance, versatility, and overall user friendliness. In addition to new radiation and aerosol parameterizations of the atmosphere, several relatively large, but partly compensating, coding errors in the model's cloud, convection, and turbulence parameterizations were corrected. The representation of land processes was refined by introducing a multilayer soil hydrology scheme, extending the land biogeochemistry to include the nitrogen cycle, replacing the soil and litter decomposition model and improving the representation of wildfires. The ocean biogeochemistry now represents cyanobacteria prognostically in order to capture the response of nitrogen fixation to changing climate conditions and further includes improved detritus settling and numerous other refinements. As something new, in addition to limiting drift and minimizing certain biases, the instrumental record warming was explicitly taken into account during the tuning process. To this end, a very high climate sensitivity of around 7 K caused by low-level clouds in the tropics as found in an intermediate model version was addressed, as it was not deemed possible to match observed warming otherwise. As a result, the model has a climate sensitivity to a doubling of CO2 over preindustrial conditions of 2.77 K, maintaining the previously identified highly nonlinear global mean response to increasing CO2 forcing, which nonetheless can be represented by a simple two-layer model.
    Type: Article , PeerReviewed
    Format: text
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