Title: Trends in nitrogen deposition and leaching in acid-sensitive streams in Europe. 
Resource Type: document --> technical publication --> journal article 
Country: EU Projects 
Year: 2004 
Availability: Hydrology and Earth System Sciences Vol. 5, No. 3, 299-310. 
Author 1/Producer: Wright, R.F 
Other Authors/Producers: Alewell, C., Cullen, J., Evans, C.D., Marchetto, A., Moldan, F., Prechtel, A. and Rogora. M. 
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/HESS299-310.htm  
Format (e.g. PDF): HTML 
EUGRIS Keyword(s): Diffuse pollution-->Diffuse pollution overview
Diffuse pollution-->Monitoring
Diffuse pollution-->Scales
Diffuse pollution-->Sources
Water and sanitation-->Pollution
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 records of nitrogen deposition and concentrations in streamwater were analysed at 30 sites covering the major regions in Europe that are sensitive to acidification. 
Long description: Much of Europe has received high inputs of inorganic nitrogen during the past 20-30 years, with the exceoion of a decline of approximately 20% in central and northern Europe during the late 1990s. Nitrate concentrations in stream waters are related to the amount of N deposition. Sites where deposition is less than 10 kgN ha-1 yr-1 have low concentrations of nitrate in streamwater, whereas all sites receiving > 25 kgN ha-1 yr-1 have elevated concentrations. For the level of N deposition typical for Europe nitrogen saturation is a process that takes many decades, although declining nitrate concentrations at a few sites may reflect recent reductions in N deposition. Short and long-term variations in climate affect nitrate concentrations in streamwater, obscuring long-term trends. Empirical data for geographic pattern and long-term trends in the response of surface waters to changes in N deposition are used to predict future contributions of nitrate to acidification of soils and surface waters. 
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

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