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190 results on '"Rössler O"'

1. Climate Scenarios for Switzerland CH2018 – Approach and Implications

Author

Fischer, A.M., Strassmann, K.M., Croci-Maspoli, M., Hama, A.M., Knutti, R., Kotlarski, S., Schär, C., Schnadt Poberaj, C., Ban, N., Bavay, M., Beyerle, U., Bresch, D.N., Brönnimann, S., Burlando, P., Casanueva, A., Fatichi, S., Feigenwinter, I., Fischer, E.M., Hirschi, M., Liniger, M.A., Marty, C., Medhaug, I., Peleg, N., Pickl, M., Raible, C.C., Rajczak, J., Rössler, O., Scherrer, S.C., Schwierz, C., Seneviratne, S.I., Skelton, M., Sørland, S.L., Spirig, C., Tschurr, F., Zeder, J., and Zubler, E.M.

Published
2022
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3. Climate Change Impacts on Soil Erosion and Sediment Delivery to German Federal Waterways: A Case Study of the Elbe Basin

Author

UCL - SST/ELI/ELIC - Earth & Climate, Uber, M., Rössler, O., Astor, B., Hoffmann, T., Van Oost, Kristof, Hillebrand, G., UCL - SST/ELI/ELIC - Earth & Climate, Uber, M., Rössler, O., Astor, B., Hoffmann, T., Van Oost, Kristof, and Hillebrand, G.

Abstract

Climate change is an important driver of soil erosion and sediment delivery to water bodies. We use observation data from 193 locations in the Elbe River basin as well as spatially distributed erosion rates and sediment delivery simulated in the WaTEM/SEDEM to identify current erosion hotspots and to assess the impact of climate change on future erosion and sediment delivery. We further quantified the uncertainty of the modelling approach by using an ensemble of 21 combinations of global and regional climate models, different emission scenarios and stochastic erosion modelling. Erosion rates are highest on hilly arable land in the central part of the basin as well as in the northeast of Bohemia. Despite considerable differences between climate models and emission scenarios and considerable uncertainties of the erosion model, a future increase in soil erosion and sediment delivery is highly likely. Using the median of climate models and behavioral erosion models, this increase can be up to 14% higher in the far future (2071–2100) than in the reference period (1971–2000) using RCP 8.5. The increase is highest in the Czech part of the basin.

Published
2022

9. 2D Feigenbaum

Author

Peinke, J., primary, Parisi, J., additional, Klein, M., additional, and Rössler, O. E., additional

Published
1995
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10. Robust estimates of climate-induced hydrological change in a temperate mountainous region

Author

Köplin, N., Rößler, O., Schädler, B., Weingartner, R., Köplin, N., Rößler, O., Schädler, B., and Weingartner, R.

Abstract

A sustainable water resources management depends on sound information about the impacts of climate change. This information is, however, not easily derived because natural runoff variability interferes with the climate change signal. This study presents a procedure that leads to robust estimates of magnitude and Time Of Emergence (TOE) of climate-induced hydrological change that also account for the natural variability contained in the time series. Firstly, natural variability of 189 mesoscale catchments in Switzerland is sampled for 10 ENSEMBLES scenarios for the control (1984-2005) and two scenario periods (near future: 2025-2046, far future: 2074-2095) applying a bootstrap procedure. Then, the sampling distributions of mean monthly runoff are tested for significant differences with the Wilcoxon-Mann-Whitney test and for effect size with Cliff's delta d. Finally, the TOE of a climate change induced hydrological change is determined when at least eight out of the ten hydrological projections significantly differ from natural variability. The results show that the TOE occurs in the near future period except for high-elevated catchments in late summer. The significant hydrological projections in the near future correspond, however, to only minor runoff changes. In the far future, hydrological change is statistically significant and runoff changes are substantial. Temperature change is the most important factor determining hydrological change in this mountainous region. Therefore, hydrological change depends strongly on a catchment's mean elevation. Considering that the hydrological changes are predicted to be robust in the near future highlights the importance of accounting for these changes in water resources planning.

Published
2019

12. Self-Similarity in Hyperchaotic Data

Author

Rössler, O. E., Hudson, J. L., Başar, Erol, editor, Freeman, W. J., editor, Heiss, W.-D., editor, Lehmann, D., editor, Lopes da Silva, F. H., editor, Speckmann, E.-J., editor, and Bullock, Theodore H., editor

Published
1989
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14. Tori and Chaos in a Simple C1-System

Author

Rössler, O. E., Kahlert, C., Uehleke, B., Brebbia, C. A., editor, Orszag, S. A., editor, Seinfeld, J. H., editor, Spanos, P., editor, Cakmak, A. S., editor, Silvester, P., editor, Desai, C. S., editor, Pinder, G., editor, McCrory, R., editor, Yip, S., editor, Leckie, F. A., editor, Ponter, A. R. S., editor, Holz, K.-P., editor, Bathe, K.-J., editor, Connor, J., editor, Wunderlich, W., editor, Argyris, J., editor, Jordan, H. L., editor, Oertel, H., editor, and Robert, K., editor

Published
1985
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16. The Classes of Fractals

Author

Röhricht, B., Metzler, W., Parisi, J., Peinke, J., Beau, W., Rössler, O. E., Haken, Hermann, editor, Güttinger, Werner, editor, and Dangelmayr, Gerhard, editor

Published
1987
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29. Challenges to link climate change data provision and user needs: Perspective from the COST‐action VALUE.

Author

Rössler, O., Fischer, A. M., Huebener, H., Maraun, D., Benestad, R. E., Christodoulides, P., Soares, P. M. M., Cardoso, R. M., Pagé, C., Kanamaru, H., Kreienkamp, F., and Vlachogiannis, D.

Subjects
*CLIMATE change, *ATMOSPHERIC models, *WORK sharing, *STOCKS (Finance), *DATA modeling
Abstract

The application of climate change impact assessment (CCIA) studies in general and especially the linkages between different actor groups typically involved is often not trivial and subject to many limitations and uncertainties. Disciplinary issues like competing downscaling approaches, imperfect climate and impact model data and uncertainty propagation as well as the selection of appropriate data sets are only one part of the story. Interdisciplinary and transdisciplinary challenges add to these, as climate data and impact model data provision and their usage require at least a minimum of common work and shared understanding among actors. Here, we provide the VALUE perspective on current disciplinary challenges and limitations at the downscaling interface and elaborate transdisciplinary issues that hamper a proper working downscaling interface. The perspective is partly based on a survey on user needs of downscaled data that was distributed among 62 participants across Europe involving 22 sectors. Partly, it is based on the exchanges and experiences gained during the lifetime of VALUE that brought together different actor groups of different disciplines: climate modellers, impact modellers, statisticians and stakeholders. We outline a sketch that summarizes the linkages between the main identified actor groups: climate model data providers, impact modellers and societal users. We summarize review and structure current actors groups, needs and issues. We argue that this structuring enables involved actors to tackle these issues in a more organized and hence effective way. A key solution to several difficulties at the downscaling interface is to our understanding the development of guidelines based on benchmark tests like the VALUE framework. In addition, fostering communication between actor groups—and financing this communication—is essential to obtain the best possible CCIA as a prerequisite for robust adaptation. [ABSTRACT FROM AUTHOR]

Published
2019
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31. Micro Relativity

Author

Rössler, O. E., Hans H. Diebner, and Pabst, W.

Subjects
General Physics and Astronomy, Physical and Theoretical Chemistry, Mathematical Physics
Abstract

A new synthesis based on microscopic classical thinking is attempted in the spirit of the molecular-dynamics-simulation (MDS) paradigm. Leibniz’s idea that joint scale transformations cancel out is invoked. Boltzmann discovered that a time reversal in the whole universe is undetectable from the inside. As a corollary, objective micro time reversals occur in the interface between a subsystem and the rest of the universe, whenever the former undergoes a time reversal. This is shown to occur in a generic class of Hamiltonian systems. The “microinterface” arrived at generalizes the macro frame of relativity to the micro realm. Micro relativity comprises Bohr’s idea of an observer-relative complementarity and Everett’s idea of an observer-relative state. As in relativity proper, a multiplicity of worlds (cuts) exist. For the inhabitants of an artificial MDS universe, therefore a radically new option is available: world change technology.

Published
1997
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42. The Classes of Fractals

Author

Röhricht, B., primary, Metzler, W., additional, Parisi, J., additional, Peinke, J., additional, Beau, W., additional, and Rössler, O. E., additional

Published
1987
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49. Genèse de formes

Author

Thomas, René, Rössler, O., Thomas, René, and Rössler, O.

Abstract

info:eu-repo/semantics/published

Published
2006

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