E-Mail IMAGE: The three panels show model results of a landscape and river network evolving over 10 million years. The first panel represents 0 to 5 million years, the second panel shows... view more Credit: Graphic courtesy Jeffrey Kwang A new study by former University of Illinois Urbana-Champaign graduate student Jeffrey Kwang, now at the University of Massachusetts, Amherst; Abigail Langston, of Kansas State University; and Illinois civil and environmental engineering professor Gary Parker takes a closer look at the vertical and lateral – or depth and width – components of river erosion and drainage patterns. The study is published in the Proceedings of the National Academy of Sciences.