A new fact sheet from the USGS notes that "Recurring drought and rising temperatures have caused reactivation and renewed growth of sand dunes on the lands of the Navajo Nation on the Colorado Plateau. Migrating dunes threaten health, housing, and transportation pathways."
Ref: Redsteer, M.H, Bogle, R.C., and Vogel, J.M., 2011, Monitoring and analysis of sand dune movement and growth on the Navajo Nation, southwestern United States: U.S. Geological Survey Fact Sheet 2011–3085, 2 p., available at http://pubs.usgs.gov/fs/2011/3085/.
Stop and think - Tue, Apr 25
1 hour ago