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 ...

Figure 1: Extensively bevelled surfaces in the foreland of the Tian Shan. Consider a simple fold that grows across the width of an active alluvial fan (Fig. 1). We show here that the fraction of the ...

Local surface uplift can block rivers, particularly in mountainous regions. The impounded water, however, always finds its way downstream, often cutting a narrow gorge into the rocks. Subsequent ...

Satellite views of Earth's major river systems reveal their familiar treelike drainage patterns. The pattern - called dendritic - and its prevalence suggests that it may be the optimal state in which ...