Rivers: Restoration

Authored by: Anna Rabajczyk

Encyclopedia of Environmental Management

Print publication date:  December  2012
Online publication date:  December  2012

Print ISBN: 9781439829271
eBook ISBN: 9781351235860
Adobe ISBN:

10.1081/E-EEM-120047207

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Abstract

Human civilizational activity contributes, to a large extent, to conspicuous degradation of surface waters, rivers included. Pollution, whose composition changes according to, e.g., catchment type and development, is fed into rivers from different point and non-point sources. Because rivers are a major route for long-distance migration of a variety of substances, and a source of drinking water for many regions, it is necessary to protect them and improve their quality. To this end, several methods and techniques are used; however, their application is conditioned by the objectives of actions to be implemented and the results of a conducted catchment inventory in terms of sources and types of pollution that reaches a particular point of the river. Hydrological and geological conditions that precede the given point, subject to preventive and corrective measures, are also to be considered.

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