Towards sustainable sediment management at the river basin scale

Owens, Philip N.; Slob, Adriaan; Liška, Igor; Brils, Jos

doi:10.1016/s1872-1990(08)80010-4

Cited by 16 publications

(15 citation statements)

References 17 publications

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“…For management to be Notes: mean sweeper efficiencies based on three sweeper types (mechanical, regenerative air and vacuum-assisted dry sweeping) and values are likely to be overestimates effective, this recognition is important. Sediment management within the context of the river basin represents a suitable concept (Owens 2005(Owens , 2008. However, urban river systems also receive sediment and contaminants from outside of the river basin (e.g.…”

Section: Urban River Systemmentioning

confidence: 99%

“…However, the important role that sediments play in contaminant transfer and water quality in rivers has recently been recognised by a number of studies (for reviews, see Bilotta and Brazier 2008;Owens 2008;Owens et al 2005;Viers et al 2009), and the importance of incorporating sediment into water quality management plans has been recognised (Brils 2004;Förstner 2002). Furthermore, the need to consider sediment management at the river basin scale has been persuasively documented (Apitz and White 2003;Owens 2005Owens , 2008, driven, in part, by the introduction of legislation and policy, such as the EU Water Framework Directive (WFD), that mainly relate to water quality and aquatic ecosystem health within river basins (Casper 2008). For example, in the stepwise implementation strategy of the WFD, the Advisory Forum on Priority Substances has proposed the addition of the specific source/pathway of 'historical pollution from sediments' in the Program of Measures (POM).…”

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confidence: 99%

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Sediments in urban river basins: a review of sediment–contaminant dynamics in an environmental system conditioned by human activities

2009

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Background, aim and scope Over 50% of the global population live in urban centres and, therefore, an understanding of the processes acting upon urban systems is a global issue. The nature of human-made, often impervious, land surfaces and heavily engineered waterways results in hydrological and sedimentological systems in urbanised basins which contrast significantly to those within more natural (i.e. pristine, forested, agricultural) aquatic systems. In addition, the abundance of contamination sources in urban systems results in chemical pressures often manifested as high pollution concentrations or loadings, which in turn have detrimental impacts on human and ecosystem health. These lead to management and sustainability issues not generally encountered in more natural environments. The purpose of this review is to provide a state-of-the-art assessment of sediment sources, pathways and storage within urban river systems, to consider sediment management within urban systems and river basins, and examine the role of local and global environmental changes on sediment processes and management. Inevitably, much of the sediment that is transported within urbanised basins is contaminated, so this review also considers sedimentcontaminant sources and interactions. Conclusions and recommendationsWe reach a number of conclusions and recommendations for future research. There is a need for better sampling and monitoring of sediment and sediment-associated contaminant fluxes and cycling in urban river channels and basins. This should include better techniques and studies to identify sources and transfers of road-deposited sediment (RDS), airborne particulate matter and sediments in the river system. Greater interdisciplinary research, combining sedimentologists, hydrologists, urban planners, urban archaeologists, chemists and biologists, is needed. More attention needs to focus on upscaling and connecting urban areas to the rest of the river basin, both upstream and downstream. Finally, there is a need to balance multiple needs (urban population, water resources) with likely trends in both urban development and global environmental change.Keywords Contaminants . River basin . Sediment . Sediment management . Urban . Urbanisation Background, aim and scopeAt the time of writing, over 50% of the global population live in urban centres, with this value set to increase (UNFPA 2007). Thus, for example, about 80% of the UK population live in conurbations, and even in a large, relatively unpopulated country such as Canada about 70% of the population live in urban areas. In addition, the number of 'mega-cities' (those cities with a population of greater than 10 million) is also increasing, particularly in the developing world: China, India and South America. Therefore, an understanding of the processes acting upon

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Section: Urban River Systemmentioning

confidence: 99%

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confidence: 99%

Sediments in urban river basins: a review of sediment–contaminant dynamics in an environmental system conditioned by human activities

2009

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“…One of the few sediment management frameworks recently put forward which implicitly includes an adaptive structure is described in Owens et al (2008) and is illustrated in Fig. 6.…”

Section: A Draft Adaptive Management Framework For Sediment Resourcesmentioning

confidence: 99%

“…At present, it is largely a conceptual diagram illustrating a series of steps to be followed within a framework that encourages learning and adaptation. While there is documentation to help support its implementation (i.e., Owens et al 2008), there needs to be comprehensive training in the rationale of the framework and its effective implementation in the real world. Abstract theory needs to be turned into real-world usefulness.…”

Section: A Draft Adaptive Management Framework For Sediment Resourcesmentioning

confidence: 99%

“…However, for many, sediment is still regarded as something that is negative: a waste or contaminated product. Few regard sediment as an important natural resource which provides important services and functions within aquatic systems (Owens 2008). Because of this, there are still perceptual, institutional, and regulatory barriers which limit the uptake of AM approaches which require a certain degree of understanding and common ground amongst the "players" (see Fig.…”

Section: A Draft Adaptive Management Framework For Sediment Resourcesmentioning

confidence: 99%

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Adaptive management frameworks for natural resource management at the landscape scale: implications and applications for sediment resources

Owens

2009

J Soils Sediments

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Purpose The management of natural resources over large spatial scales is inherently complex due to numerous biophysical and socioeconomic factors and the uncertainty associated with environmental systems and human behavior. Numerous approaches have been put forward to facilitate the decision-making process, including adaptive management (AM) which was developed in the 1960s and 1970s as an alternative to more rigid management frameworks. In recent years, it has been utilized for the management of water and river basin resources, particularly in North America. Its use for sediment resources is less well developed. This paper presents a review of the AM approach, including its characteristics, steps, and barriers to implementation. It also gives some recent examples where the AM approach has been used for sediment quantity and quality issues. Finally, it considers the potential of the AM approach for sediment resource management given Water Framework Directive and other legislative requirements. Conclusions, recommendations, and perspectives It is felt that while the AM approach offers many advantages, there are some institutional barriers to its wider uptake amongst those involved with the management of sediment resources. Some recommendations for implementation and for future research are presented.

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Sediment Matters

2015

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Towards sustainable sediment management at the river basin scale

Cited by 16 publications

References 17 publications

Sediments in urban river basins: a review of sediment–contaminant dynamics in an environmental system conditioned by human activities

Sediments in urban river basins: a review of sediment–contaminant dynamics in an environmental system conditioned by human activities

Adaptive management frameworks for natural resource management at the landscape scale: implications and applications for sediment resources

Sediment Matters

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