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5,905 results on '"Förstner, Ulrich"'

156. Dioxin in the Elbe river basin: policy and science under the water framework directive 2000–2015 and toward 2021

Author

Förstner, Ulrich, Hollert, Henner, Brinkmann, Markus, Eichbaum, Kathrin, Weber, Roland, Salomons, Wim, Förstner, Ulrich, Hollert, Henner, Brinkmann, Markus, Eichbaum, Kathrin, Weber, Roland, and Salomons, Wim

Abstract

A critical review of the last 25 years of dioxin policy in the Elbe river catchment is presented along seven main theses of the River Basin Community (RBC)-Elbe background document “Pollutants” for the Management Plan 2016–2021. In this period, polychlorinated dibenzodioxins/-furans (PCDD/Fs) and dioxin-like polychlorinated biphenyls (dl-PCBs) will play a major role: (i) as new priority substances for which environmental quality standards (EQSs) need to be derived (Directive 2013/39/EC); (ii) in the search for innovative solutions in sediment remediation (i.e., respecting the influence of mechanical processes; Flood Risk Directive 2007/60/EC); and (iii) as indicators at the land–sea interface (Marine Strategy Framework Directive 2008/56/EC). In the Elbe river catchment, aspects of policy and science are closely connected, which became particularly obvious in a classic example of dioxin hot spot contamination, the case of the Spittelwasser creek. Here, the “source-first principle” of the first cycle of the European Water Framework Directive (WFD) had to be confirmed in a controversy on the dioxin hot spots with Saxony-Anhalt’s Agency for Contaminated Sites (LAF). At the Spittelwasser site, the move from “inside the creek” to “along the river banks” goes parallel to a general paradigm shift in retrospective risk assessment frameworks and remediation techniques for organic chemicals (Ortega-Calvo et al. 2015). With respect to dioxin, large-scale stabilization applying activated carbon additions is particularly promising. Another important aspect is the assessment of the ecotoxicology of dioxins and dl- PCBs in context of sediment mobility and flood risk assessment, which has been studied in the project framework FloodSearch. Currently, the quality goals of the WFD to reach a “good chemical status” are not met in many catchment areas because substances such as mercury do and others probably will (PCDD/Fs and dl-PCB) exceed biota-EQS values catchment area-wide. So far, r

Published
2019

157. Carbonate Degradation

Author

Milliman, John D., Müller, German, Förstner, Ulrich, Milliman, John D., Müller, German, and Förstner, Ulrich

Published
1974
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158. Dolomitization

Author

Milliman, John D., Müller, German, Förstner, Ulrich, Milliman, John D., Müller, German, and Förstner, Ulrich

Published
1974
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160. Carbonate Cementation

Author

Milliman, John D., Müller, German, Förstner, Ulrich, Milliman, John D., Müller, German, and Förstner, Ulrich

Published
1974
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161. Methods

Author

Milliman, John D., Müller, German, Förstner, Ulrich, Milliman, John D., Müller, German, and Förstner, Ulrich

Published
1974
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162. Deep-Sea Carbonates

Author

Milliman, John D., Müller, German, Förstner, Ulrich, Milliman, John D., Müller, German, and Förstner, Ulrich

Published
1974
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166. Skeletal Components

Author

Milliman, John D., Müller, German, Förstner, Ulrich, Milliman, John D., Müller, German, and Förstner, Ulrich

Published
1974
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180. Sediments and the 'system' : from site-specific to regional-scale research : a story of joy in researching dirt

Author

Salomons, Wim, Förstner, Ulrich, Salomons, Wim, and Förstner, Ulrich

Abstract

For both of us, it has been a struggle on how to write a kind of official “Farewell address” to our colleagues. After all, we do it only once in our lifetime. The result is twofold; we will have one editorial with a broad and short (admittedly very biased) history and outlook of our experience, and a second, more scientific editorial, which covers the first 10 years of our Journal of Soils and Sediments.

Published
2018

186. Geochemical processes in landfills

Author

Förstner, Ulrich, Kersten, Michael, Wienberg, Reinhard, Bhattacharji, Somdev, editor, Friedman, Gerald M., editor, Neugebauer, Horst J., editor, Seilacher, Adolf, editor, and Baccini, Peter, editor

Published
1989
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