Bibliographic Details
| Title: |
Modelling instream nitrogen variability in the Dee catchment, NE Scotland |
| Authors: |
Soulsby, C., Cook, Y., Owen, R. P., Whitehead, P. G., Langan, S. J., Smart, R. P., Wade, A. J., Edwards, A. C., Butterfield, D. |
| Source: |
Science of the Total Environment. 1/29/2001, Vol. 265 Issue 1-3, p229. 0p. |
| Subject Terms: |
*Water quality monitoring, *Water chemistry, *Nitrogen, Modeling (Sculpture) |
| Abstract: |
The Integrated Nitrogen in CAtchments model (INCA) was applied to the River Dee, Aberdeenshire, NE Scotland. To a first approximation themodel was able to simulate the annual mean streamwater NO3---N concentrations observed along the length of the mainchannel. This provided the basis for using INCA to subsequently explore the effects of N deposition and land use management on streamwater NO3---N concentrations and loads. On an annual timescale, the model predictions suggest that NO3---N concentrations will decrease by 5% following a 20% reductionin fertiliser application. Furthermore, model results also suggest that a 50% increase in N deposition will cause a 15% increase in the streamwater NO3---N concentrations. The utility of INCA as a tool for catchment management is discussed, current limitations are highlighted and possible improvements are suggested. [ABSTRACT FROM AUTHOR] |
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| Database: |
GreenFILE |
