By Danny Reible, Tomas Lanczos
In this article, drawn from shows and dialogue at a could 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 ways for the overview and remediation of sediments. the improvement of regulatory and strategic methods 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)
1. 1. g. for dredging operations) such as London Convention revised in 2000, OsloParis Convention revised in 2004 and Helsinki Convention (1992). Their purpose and primary aim is the environmentally sound disposal (relocation) of dredged material into the sea. Due to national implementation of international convention and EU Directives, the European member countries have developed special dredged material guidelines with different (limited) competences in practice (Sednet, 2004). The recently adopted Water Framework Directive (WFD) (2000/60/EC) is an attempt to provide a more integrated approach to water management at the river basin level.
4. 1. 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.
The growing recognition of this issue can be viewed as a second revolution of scale (Apitz 2004). APPROACHES FOR MANAGING CONTAMINATED SEDIMENTS 9 Management of risk in a river basin demands that sediment risk management should be closely linked with the management of soil, water, and industrial and agricultural policy. Because of the complexity of interactions, conceptual models are required to identify, quantify and communicate the links between these processes and media (Apitz et al. 2005a).
Assessment and Remediation of Contaminated Sediments (NATO Science Series: IV: Earth and Environmental Sciences) by Danny Reible, Tomas Lanczos