| View Larger Image | Water quality dynamics and hydrology in nitrate loaded riparian zones in the Netherlands [An article from: Environmental Pollution] | Digitalby M. Hefting (Author), B. Beltman (Author), D. Karssenberg (Author), K. Rebel (Author)
| List Price: | $8.95 | | | Available: | Available for download now |
| | Binding: | Digital | | Publisher: | Elsevier |
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Product Description
This digital document is a journal article from Environmental Pollution, published by Elsevier in . The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.Description: Riparian zones are known to function as buffers, reducing non-point source pollution from agricultural land to streams. In the Netherlands, riparian zones are subject to high nitrogen inputs. We combined hydrological, chemical and soil profile data with groundwater modelling to evaluate whether chronically N loaded riparian zones were still mitigating diffuse nitrate fluxes. Hydraulic parameters and water quality were monitored over 2years in 50piezometres in a forested and grassland riparian zone. Average nitrate loadings were high in the forested zone with 87g NO"3^--N m^-^2 y^-^1 and significantly lower in the grassland zone with 15g NO"3^--N m^-^2 y^-^1. Groundwater from a second aquifer diluted the nitrate loaded agricultural runoff. Biological N removal however occurred in both riparian zones, the grassland zone removed about 63% of the incoming nitrate load, whereas in the forested zone clear symptoms of saturation were visible and only 38% of the nitrate load was removed. |
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