Sökt på: a system of geology
totalt 15 träffar
Investigating Groundwater Systems on Regional and National Scales
Groundwater is a basic resource for humans and natural ecosystems and is one of the nation's most important natural resources. Groundwater is pumped from wells to supply drinking …
Managing Coastal Erosion
More and more of the nation's vast coastlines are being filled with homes and vacation resorts. The result is an increasing number of structures built on erosion-prone shores--with …
Measuring and Understanding Coastal Processes
Much of the U.S. coastline is rapidly changing--mostly eroding. That fact places increasing pressure on the planners and managers responsible for coastal development and …
Snow Avalanche Hazards and Mitigation in the United States
The present mortality as a result of snow avalanches exceeds the average mortality caused by earthquakes as well as all other forms of slope failure combined. Snow avalanches can …
Toward Sustainability
How can high-growth areas such as Africa, Asia, and Latin America sustain agricultural production for current and future generations? Toward Sustainability explores research …