River flow and associated transport of sediments and solutes through a highly urbanised catchment, Bradford, West Yorkshire.

The hydrological characteristics of catchments become drastically modified in response to urbanisation. The total contributions and dynamics of runoff, suspended sediment and solutes may change significantly and have important implications downstream where they may affect flooding, instream ecological habitat, water quality and siltation of river channels and lakes. Although an appreciation of the likely hydrological changes is crucial for effective catchment management they are still poorly understood.

Land Ocean Interaction: processes, functioning and environmental management: a UK perspective.

The hydrochemical and physical functioning of UK river basins, estuaries and coastal waters through to the open sea are outlined in relation to British environmental research over the last ten or more years. An overview of a considerable body of published work is presented in the context of current findings and future research challenges. This is linked to this special issue of Science of the Total Environment 'Land Ocean Interaction: processes, functioning and environmental management: a UK perspective' for which this contribution provides a conclusion.

Fingerprinting suspended sediment sources in a large urban river system.

Very few studies have attempted to quantify the sources of suspended sediment transported in urban river systems. In this study, statistically verified composite fingerprints and a multivariate mixing model have been used to identify the main sources of the suspended sediment transported by the River Aire and its main tributary, the River Calder. Because of the polluted nature of the Aire/Calder catchment and its effect on fingerprint property concentrations, source tracing was undertaken separately for the upper and lower reaches.

The impact of a convectional summer rainfall event on river flow and fine sediment transport in a highly urbanised catchment: Bradford, West Yorkshire.

Urban watercourses are important assets to cities, but they often have extremely 'flashy' hydraulic regimes and poor water quality, making them potential hazards. Current knowledge of the impact of intense rainfall events on urban river water discharge and, in particular, fine sediment transport is limited. Continuous monitoring of flow and turbidity (subsequently calibrated to suspended sediment concentration) was undertaken at a network of four sites throughout the highly urbanised Bradford catchment in West Yorkshire, NE England.

The temporal and spatial variability of sediment transport and yields within the Bradford Beck catchment, West Yorkshire.

Recent EU directives have emphasised the need to understand and limit potential water quality problems within urban river systems. Under certain conditions sediments and contaminants derived from industrial and domestic waste and the urban surface may be expelled into urban rivers via the sewer and drainage system. These discharges may lead to water quality problems within urban catchments.

PCB congener dynamics in a heavily industrialized river catchment.

PCB congener concentrations in the water column of a highly industrialized river catchment, the Aire/Calder, in N.E. England were determined weekly on a routine basis, and 2 hourly through selected high flow (flood) events.

Land-ocean interaction: processes, functioning and environmental management from a UK perspective: an introduction.

This paper provides a foreword to a special edition of Science of the Total Environment concerned with land-ocean interaction from a UK perspective as linked to processes, functioning and environmental management. The volume structure is presented together with an outline of the nature of the individual papers. The areas covered are: (1) freshwater chemistry, (2) riverine sedimentology, (3) tidal river, estuarine and coastal chemistry, (4) estuarine and coastal sediments and (5) shelf-sea-ocean linkages.