Title: Recovery from acidification in European surface waters 
Resource Type: document --> technical publication --> journal article 
Country: EU Projects 
Year: 2004 
Availability: Hydrology and Earth System Sciences Vol. 5, No. 3, 283-297. 
Author 1/Producer: Evans, C.D 
Other Authors/Producers: Cullen, J.M., Alewell, C., Kopácek, K., Marchetto, A., Moldan, F., Prechtel, A., Rogora, M., Veselý, J. and Wright, R.F. 
Author / Producer Type: EC Project 
Publisher: Macauly Land Use Research Institute 
Publisher City: Aberdeen, AB15 8QH 
Article Weblink (=direct link): http://www.mluri.sari.ac.uk/recover/HESS283-297.htm  
EUGRIS Keyword(s): Diffuse pollution-->Diffuse pollution overview
Diffuse pollution-->Monitoring
Diffuse pollution-->Scales
Water and sanitation-->Pollution
Water and sanitation-->Water and sanitation Overview
Water resources and their management -->Stresses, quality and ecological status
Water resources and their management -->Water resources and their management Overview
 
Short description: Long-term water quality data for 56 sites in eight European countries have been used to assess freshwater responses to reductions in acid deposition at a large spatial scale. 
Long description: From 1980 onwards the majority (38 of 56) of sites showed significant decreasing trends in pollution-derived sulphate, while only two sites showed a significant increase. Nitrate had a much weaker and more varied pattern. A general reduction in surface water acid anion concentrations has led to increases in acid neutralising capacity but much of the improvement in runoff quality to date has been the result of decreasing ionic strength. Increases in acid neutralising capacity have been accompanied by increases in pH and decreases in aluminium, although fewer trends were significant. Increases in pH appear to have been limited in some areas by rising concentrations of organic acids. Overall the trend is towards recovery, although there is spatial variation, with recovery strongest in the Czech Republic and Slovakia, moderate in Scandinavia and the UK and weakest in Germany. 
Link to Project(s): RECOVER:2010 Predicting recovery in acidified freshwaters by the year 2010 and beyond
 
Submitted By: Dr Stefan Gödeke WhoDoesWhat?      Last update: 24/05/2007