Coastal and nearshore environments exist in a dynamic balance between terrestrial and aquatic influences. Understanding of the delicate balance of these influencing processes is necessary to maintain the Nation's fragile coastal and marine environments. Such studies also improve our capability to predict environmental response to both human activities and natural processes, such as coastal storms and currents.Other related USGS websites: Global Change Research Program El Niņo Home Page
Description: Lake Pontchartrain, as the largest estuary in southern Louisiana, is an important recreational, commercial, and environmental resource for New Orleans, southeastern Louisiana, and the Nation. This publication is one of the products resulting from a 5-year cooperative program started in 1995 by the U.S. Geological Survey (http://coastal.er.usgs.gov/pontchartrain/). The program is focused on the geological framework and sedimentary processes of the Lake Pontchartrain Basin. Detailed documentation of selected aspects of the cooperative program are provided here. updated: 2002-10-16 pages include:
Description: Lake Mead is one of the world's largest man-made reservoirs at about 600 sq km, roughly the size of Chicago. Lake Mead started to form on the Colorado River in 1935, upon completion of the Hoover Dam. Since then, the lake has supplied water to agricultural, industrial, recreational, and municipal users in the southwestern United States. updated: 2002-05-15 pages include:
Description: Studies of sediment transport in the Grand Canyon, Arizona - using ocean research techniques to study a river system. updated: 1997-06-09 pages include:
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