JAWRA Article Highlights Geospatial Methodology to Identify Concentrated Agricultural Runoff in Coastal Virginia

The Journal of the American Water Resources Association published an article in its December issue about a geospatial methodology that has been developed using high resolution Lidar-derived digital elevation models (DEMs) to help track runoff from agricultural fields and identify areas of potential concentrated flow through vegetated riparian areas in the Coastal Plain of Virginia.  The methodology was found to be an effective way to determine areas of flow concentration and identify buffer locations that may be ineffective at trapping sediment and nutrients coming from individual agricultural fields. While this study was specific to this area, this methodology has the potential to improve results of management practices aimed at reducing nonpoint source pollution leaving agricultural fields in other areas throughout the US where Lidar-derived DEMs are available.


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