PubTalk 8/2011 — Through the Lens of Time

Repeat Photography in an Era of Global Change

by Robert Webb, Hydrologist

• Repeat photography remains an essential and cost-effective technique for scientists and researchers working to track and study changing environmental conditions
• Scientists worldwide are exploring methods to apply this technique in various important research areas in the natural sciences
• Studies of global change using repeat photography include many diverse areas such as geomorphology, ecosystems and landscapes, as well as demographics and land-use practices