Aquatic invertebrate surveys as a water quality management tool in the Anglian Water region

1989 ◽  
Vol 4 (2) ◽  
pp. 139-146 ◽  
Author(s):  
C. A. Extence ◽  
A. J. D. Ferguson
Keyword(s):  
Water Quality ◽  
Quality Management ◽  
Water Quality Management ◽  
Aquatic Invertebrate ◽  
Management Tool ◽  
Water Region ◽  
Invertebrate Surveys

RIONET: a water quality management tool for river basins

2003 ◽  
Vol 48 (10) ◽  
pp. 47-53 ◽  
Author(s):  
H. Reuter ◽  
G. Krause ◽  
A. Mönig ◽  
M. Wulkow ◽  
H. Horn
Keyword(s):  
Water Quality ◽  
Quality Management ◽  
Waste Water Treatment ◽  
Sediment Cores ◽  
Water Quality Management ◽  
River Basins ◽  
Bulk Water ◽  
Management Tool ◽  
Quality Model ◽  
Main River

The water quality management tool RIONET for river basins has been developed with regard to the EU Water Framework Directive. The management tool can simulate the water quality in catchment basins not only in the dimension of a single river but in whole river networks. A submodel of the IWA River Water Quality Model No. 1 is used in RIONET. The river model is based on the assumption that self purification processes in the river takes place both in the benthic biofilm and the bulk water phase. Laboratory experiments with sediment cores underline the major role of the benthic biofilm. The input parameters of the management tool such as volumetric flow rates from waste water treatment plants and flow velocities and discharge in the main river and its tributaries can be loaded directly from geographic information systems (GIS). The subcatchment basin of the river Bode in Saxon Anhalt was used for test runs of RIONET.

The Effects of the Yorkshire Rivers on Dissolved Oxygen in the Humber Estuary

1984 ◽  
Vol 16 (5-7) ◽  
pp. 127-137 ◽  
Author(s):  
A M C Edwards ◽  
P W Lai
Keyword(s):  
Water Quality ◽  
Quality Management ◽  
Dissolved Oxygen ◽  
Oxygen Saturation ◽  
Computer Simulations ◽  
Water Quality Management ◽  
Management Tool ◽  
Freshwater Flow ◽  
Related Substances ◽  
Humber Estuary

The tidal rivers of the Humber Estuary System experience depletion of dissolved oxygen in dry, summer weather as a result of the pollution received from effluent discharges and the rivers of industrial Yorkshire. A suite of mathematical models has been developed to predict dissolved oxygen saturation and the concentration of related substances. Computer simulations using the models have been carried out to assess the effects of freshwater flow and oxidisable pollutants on dissolved oxygen levels in the estuary system. The models provide a practicable, water quality management tool for the Humber Estuary.

Phosphorus budget as a water quality management tool for closed aquatic mesocosms

2002 ◽  
Vol 36 (4) ◽  
pp. 1007-1017 ◽  
Author(s):  
Claude Trépanier ◽  
Serge Parent ◽  
Yves Comeau ◽  
Jean Bouvrette
Keyword(s):  
Water Quality ◽  
Quality Management ◽  
Water Quality Management ◽  
Management Tool ◽  
Phosphorus Budget ◽  
Aquatic Mesocosms
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