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Coastal and Marine Geology Program > Online Science Resource Locator > Sea-Level Change - Central & Southern California

Sea-Level Change - Central & Southern California

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Sea-Level Change:
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Global sea level has always fluctuated depending on the climate. When the climate cools, more ice accumulates at the Earth's poles and sea level drops. When that ice melts, sea level rises. These changes are identifiable in the rock record and ice layers. CMG research aims to understand this cycle and its effects on the marine and coastal environments.
Other related USGS websites:
Global Change Research Program

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Items below are listed from most recently updated to least recently updated.

These are results 1 through 8 of 8 matches.

Research Project
National Assessment of Shoreline Change Project
Description: Beach erosion is a chronic problem along most open-ocean shores of the United States. As coastal populations continue to grow, and community infrastructures are threatened by erosion, there is increased demand for accurate information regarding past and present shoreline changes. There is also need for a comprehensive analysis of shoreline movement that is regionally consistent. To meet these national needs, the Coastal and Marine Geology Program of the U.S. Geological Survey (USGS) is conducting an analysis of historical shoreline changes along open-ocean sandy shores of the conterminous United States and parts of Alaska and Hawaii. A primary goal of this work is to develop standardized methods for mapping and analyzing shoreline movement so that internally consistent updates can periodically be made to record shoreline erosion and accretion.
updated: 2004-07-21 pages include:

Research Project
National Assessment of Coastal Change Hazards
Description: The National Assessment of Coastal Change Hazards is a multi-year undertaking to identify and quantify the vulnerability of U.S. shorelines to coastal change hazards such as the effects of severe storms, sea-level rise, and shoreline erosion and retreat. It will continue to improve our understanding of processes that control these hazards, and will allow researchers to determine the probability of coastal change locally, regionally, and nationally. The Assessment will deliver these data and assessment findings about coastal vulnerability to coastal managers, other researchers, and the general public.
updated: 2004-06-10 pages include:

Publication
Coastal Wetlands and Sediments of the San Francisco Bay System - USGS Fact Sheet
Description: San Francisco Bay has received much scientific attention over the years primarily because of regional questions regarding water quality and, more recently, geologic hazards, but very little is known about sediment distribution and movement on the floor of the Bay. The link between sediment accumulation in the Bay and processes that produce the staggering losses of wetlands acreage and continual channel filling is becoming better understood as U.S. Geological Survey scientists undertake new research of the region.
updated: 2004-03-02 pages include:

Publication
Monterey Bay Marine Sanctuary Geological Processes and Framework - USGS Fact Sheet
Description: The U.S. Geological Survey (USGS) will move its Pacific Marine Geology program to a new location at the University of California at Santa Cruz (UCSC) and we are excited about our role in the marine sciences community around Monterey Bay. There is much to learn in the region, not only as a result of new opportunities in the Marine Sanctuary, but also that knowledge gained here may be transferred to our studies of similar environments in other parts of the world.
updated: 2004-03-02 pages include:

Publication
USGS Circular 1198 - Beyond the Golden Gate - Oceanography, Geology, Biology, and Environmental Issues in the Gulf of the Farallones
Description: The U.S. Geological Survey (USGS) began a major geologic and oceanographic study of the Gulf of the Farallones in 1989. This investigation, the first of several now being conducted adjacent to major population centers by the USGS, was undertaken to establish a scientific data base for an area of 3,400 square kilometers (1,000 square nautical miles) on the Continental Shelf adjacent to the San Francisco Bay region. The results of this study can be used to evaluate and monitor human impact on the marine environment.
updated: 2003-10-01 pages include:

Movie
USGS Fact Sheet 095-02: Vulnerability of U.S. National Parks to Sea-Level Rise and Coastal Change
Description: Vulnerability of U.S. National Parks to Sea-Level Rise and Coastal Change
updated: 2002-09-19 pages include:

General Information
El Niño Home Page
Description: El Niño information with links to a broad range of topics such as Floods, Landslides, Coastal Hazards, Climate, News Releases.
updated: 2000-01-31 pages include:

Educational Materials
About Gas Hydrates and a USGS gas hydrate project
Description: Questions and answers about submarine gas hydrates: an ice-like crystalline solid formed of water and gas that is found in places under the sea floor and has important implications to techniques of deep-sea drilling and future energy supplies.
updated: 1999-03-08 pages include:

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Coastal and Marine Geology Program > Online Science Resource Locator > Sea-Level Change - Central & Southern California