John E. Costa

• Debris flows/avalanches
• Developments and applications of geomorphology
• Natural and anthropogenic influences in fluvial geomorphology
• Surficial geology: building with the earth, by John E. Costa and V.R. Baker
• Debris Flows/Avalanches
• Documented historical landslide dams from around the world
• Evolution of sediment yield from Mount St. Helens, Washington, 1980-93
• Hydrologic and hydraulic investigations of Cherry Creek, Denver, Colorado
• Large floods in the United States
• Surficial geology
• The formation and failure of natural dams