Environmental Studies

Assessment and Remediation of Contaminated Sediments (NATO by Danny Reible, Tomas Lanczos

By Danny Reible, Tomas Lanczos

In this article, drawn from shows and dialogue at a may well 2005 NATO complex examine Workshop, present methods to the evaluate and remediation of infected sediments are mentioned with emphasis on in-situ administration. The textual content addresses actual, chemical and organic methods for the evaluate and remediation of sediments. the advance 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)

Example text

1. Role of environmental risk assessment within the DPSIR framework for the Venice Lagoon Based on the Status analysis, the Impacts and Risks for the lagoon of Venice were investigated. In particular, the Ecological Risk Assessment (ERA) procedure (US-EPA, 1998) was applied to identify the chemical stressors of concern and the lagoon areas affected by the higher risk for the ecological resources, with the aim to address the monitoring activities and remediation actions. According to US-EPA procedure, the conceptual model of the Lagoon of Venice (Critto and Marcomini, 2001), defined in the Problem Formulation phase, allowed the selection of three risk hypotheses associated with the accumulation of persistent and toxic pollutants in the lagoon sediments.

EMERGING ECOSYSTEM-BASED POLICY It is not, however, just the different historical evolution of soil and sediment science that has hindered better coordination between these fields. , navigation dredging, waste water discharge, environmental cleanup), has in many cases presented impediments to achieving efficient, integrated solutions to environmental problems (Apitz and Power 2002, Bridges et al. 2005). As our understanding of ecological systems has evolved, it has become increasingly clear that effective and sustainable management strategies must focus on whole catchments and their interconnected media (chemicals, water, soil and sediment), rather than on one site or issue at a time.

Planning sediment management at the river-basin scale will urge co-operation between agencies and even countries. At that scale, joint methods and strategies should be developed for sediment and dredged-material management that link to the EU WFD and to pilot projects on trans-boundary rivers. Such methods and strategies should preferably be shared between different basins so that we can learn from each other. It will also help to recognize the differences between basins. This will underline the need to develop tailor-made, realistic solutions towards the environmental and socio-economic management issues that are at stake at that specific basin, or more detailed solutions at specific sites in that basin.

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