Waves play a major role in breaking down and building up coastline features. But other factors, including tides, currents, and sediment type, also determine how erosional and depositional processes shape coastlines. This...

Natural history information on some of the organisms found on soft-bottoms mainly in the coasts of Washington. Good pictures and highlights on common invertebrates and plants species, with scientific names provided....

Geologists, meteorologists, disaster specialists and others will find much to engage their attention on this website. Created by the United States Geological Survey, this site provides succinct overviews of a range of...