• Dan Hewins, a senior environmental science major, presented the paper, "Changes of Flood Frequency, Water Quality and Impervious Area in the Delaware River Basin," as an invited talk at the 7th International Conference on Hydroscience and Engineering (ICHE-2006) at Drexel University in Philadelphia, PA on September 11. Hewins co-authored the paper with Dr. Hongbing Sun, associate professor of geological and marine sciences.