By Danny Reible, Tomas Lanczos
In this article, drawn from displays and dialogue at a may possibly 2005 NATO complex examine Workshop, present ways to the evaluation and remediation of infected sediments are mentioned with emphasis on in-situ administration. The textual content addresses actual, chemical and organic methods for the evaluation and remediation of sediments. the improvement of regulatory and strategic ways is mentioned with emphasis at the strength for organic remediation within the administration of infected sediments.
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Extra resources for Assessment and Remediation of Contaminated Sediments (NATO Science Series: IV: Earth and Environmental Sciences)
Where water quality is improving, the legacy of the past may still be present in sediments hidden at the bottom of rivers, behind dams, in lakes, estuaries, seas and on the floodplains of many European river basins. g. due to flooding and channel bank erosion) and transported further downstream. Along the course of the river to the sea, transportation, dilution and redistribution of sediment-associated contaminants occurs. Many relatively small inputs, all complying with emission regulations, accumulate to reach higher levels by the time sediment reaches the river delta.
Uk) program integrates in situ observational and experimental systems to monitor marine benthic habitats in order to understand how anthropogenic impacts affect benthic ecosystem functioning in support, among other things, of the development of biogeochemical measures to assist in the characterization of ecological function, status, and potential in coastal benthic ecosystems. There is a need for similar experimental systems in various aquatic habitats to provide better scientific understanding of mechanisms linking anthropogenic activities and the biological communities that may be the focus of protection, at various spatial, temporal, trophic, and organizational scales (Levin 1992; Apitz et al.
Dredged-material management Many water and port managers face the continuous effort of dredging in order to maintain the required water depth. Europe-wide, the volume of dredged material is very roughly estimated at 200 million cubic meters per year. There are three types of dredging: capital, maintenance and remediation dredging. Capital dredging is for example for land reclamation, deepening fairways, etc. Maintenance dredging is mainly to keep waterways at a defined depth to ensure safe navigation, and remediation dredging is to solve environmental problems of contaminated sediments.