This portal provides access to an extensive selection of maps and geospatial data published by federal and other government agencies. Users can choose a word search option (feature name, city, state) or select from a list of categories (hurricanes, fire mapping, biology, geology, etc.) to locate maps or datasets. The front page includes a selection of featured maps showing current items such as fires ... Full description.

This fact sheet, published by the United States Geological Survey (USGS), discusses the influence of the California Current on the climate of the western United States. Topics include the influence of atmospheric pressure cells in the eastern North Pacific and the examination of sediments in core samples to obtain a high-resolution paleoclimatic record. The discussion points out that the geologic ... Full description.

This portal provides access to information on United States Geological Survey (USGS) research projects and other topics in coastal and marine environments of the United States, especially on the west coast and the Pacific Ocean. Research projects can be searched by topic, location, project title, or from a publications list. Other resources include an ask-a-geologist feature, the coastal and marine ... Full description.

This short discussion explains the differences between two processes that often work in concert to decompose rocks. Full description.

This site is the homepage of the United States Geological Survey's (USGS) Coastal and Marine Geology Program. Materials available here include links to news articles and publications, topics of study, and regions of study. Search choices include topic, region or content type (research project, educational material, datasets, etc.). Study topics are grouped by coastal issues, marine/deep sea issues, ... Full description.