CEDA Unveils Paper on Environmental Monitoring

The Central Dredging Association (CEDA) has published a new Information Paper, the ‘Environmental Monitoring Procedures’ describing why and how environmental monitoring is undertaken.

The paper covers the different types of monitoring in relation to the different stages of a dredging project, and includes a series of case studies which illustrate monitoring methods and uses. The case studies represent various types of monitoring including: baseline monitoring, surveillance monitoring and compliance monitoring.

The examples illustrate the relevance of adapting the monitoring programs as the understanding of the system, and its response to pressures, changes. Also illustrated is how the dredging project may be adapted during the project period as a result of knowledge obtained by monitoring.

‘Environmental Monitoring Procedures’ was prepared in conjunction with the recently published ‘Integrating Adaptive Environmental Management into Dredging Projects’ (written by the CEDA Adaptive Management Working Group).

The activities of the two working groups have been closely harmonized because of the clear interaction and connections between the two subjects. Adaptive management is heavily dependent on good monitoring while environmental monitoring itself can be done in an adaptive manner.

Working Group Chair, Ida Brøker, of DHI Denmark, said: “Environmental monitoring is undertaken to establish an understanding of baseline environmental conditions. It also assesses the level and compliance of environmental change caused by dredging in relation to agreed environmental thresholds and quality standards.

Monitoring is a pre-requisite for adaptation and optimization of dredging operations in the interest of the environment, the project owner, and the contractors. This paper discusses the concepts of monitoring in connection with large dredging projects, gives examples of monitoring programs from specific projects, and lists a number of lessons learnt. We hope the paper will inspire all parties involved in dredging-related projects to design relevant and sufficient monitoring programs,” added Ida Brøker.

Working Group member Mark Lee, of HR Wallingford UK, said: “As a group we have pooled information, knowledge and experience relating to monitoring with the aim of encouraging and promoting good practice. We have brought together all the concepts, and some really valuable case studies, for the reader to make it essential reading.”


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