Download Living Rivers: Trends and Challenges in Science and by R.S.E.W. Leuven, A.M.J. Ragas, A.J.M. Smits, G.van der Velde PDF

By R.S.E.W. Leuven, A.M.J. Ragas, A.J.M. Smits, G.van der Velde

This publication demonstrates an built-in viewpoint of developments and demanding situations in sustainable river technology and administration, as awarded via specialists within the fields that shape its foundations - ecology, economic climate and sociology. Their contributions combine present wisdom of the constitution, functioning and administration of ‘living rivers’. additionally incorporated are information and reviews about the rivers Allier, Meuse, Rhine, Sava and Tagliamento in Europe and the Illinois River within the united states.

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Additional info for Living Rivers: Trends and Challenges in Science and Management (Developments in Hydrobiology)

Example text

The algorithm of the soil penetration depth in BasinBox was primarily designed for compounds with less extreme property combinations, and it is not possible to extrapolate it directly to all chemicals. Therefore, the concept of the soil penetration depth in BasinBox does not apply very well on extreme hydrophobic and rapidly degrading compounds. Since the soil penetration depth largely influences the concentration ratios, especially when emissions take place to the soil, for these compounds the model results are not very reliable.

The importance of hydrodynamics for protected and endangered biodiversity of lowland rivers. Hydrobiologia 565: 153–162. De Wit, M. J. , 1999. Nutrient fluxes in the Rhine and Elbe basins. D. thesis. Department of Physical Geography, Utrecht University, Utrecht. Den Hollander, H. & D. van de Meent, 2004. 0: A Multimedia Fate Model for Evaluating Environmental Behaviour of Chemicals. RIVM, Bilthoven. Diamond, M. , D. A. Priemer & N. L. Law, 2001. Developing a multimedia model of chemical dynamics in an urban area.

Beside that, variations in emission densities between the upstream and downstream areas account for concentration differences. 5% of the chemicals. As a result of high concentration ratios in the floodplain soils, also the saturated soil zone in the floodplain shows concentration ratios >10 for some compounds. In floodplain pasture and cropland soils, chemical property combinations for which the concentration ratio is larger than 100 range between a log Kaw of 0 to 2 with a log Kow of 8. These chemicals have a high volatilisation potential from water to air on the one hand, and tend to bind to organic material on the other hand.

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