![]() You're looking at OpenBook, NAP.edu's online reading room since 1999. Appendix G: Acronyms and Abbreviations 201–202.Appendix F: Biographical Sketches of Committee Members 197–200.Appendix E: Cryosphere Extrapolations 191–196.Appendix D: Long-Term Tide Gage Stability From Leveling Data 179–190.Appendix C: Analysis of Sea-Level Fingerprint Effects 175–178.Appendix B: Sea-Level Rise in the Northeast Pacific Ocean 163–174.Appendix A: Vertical Land Motion and Sea-Level Data Along the West Coast of the United States 153–162.6 Responses of the Natural Shoreline to Sea-Level Rise 109–136.5 Projections of Sea-Level Change 83–108.4 Sea-Level Variability and Change off the California, Oregon, and Washington Coasts 55–82.3 Contributions to Global Sea-Level Rise 33–54.However, an earthquake magnitude 8 or larger, which occurs in the region every few hundred to 1,000 years, would cause the land to drop and sea level to suddenly rise. However, projections are lower north of Cape Mendocino because the land is being pushed upward as the ocean plate moves under the continental plate along the Cascadia Subduction Zone. South of that point, sea-level rise is expected to be very close to global projections. Regional projections for California, Oregon, and Washington show a sharp distinction at Cape Mendocino in northern California. These include: climate patterns such as the El Nino, effects from the melting of modern and ancient ice sheets, and geologic processes, such as plate tectonics. ![]() west coast is affected by a number of factors. Sea-Level Rise for the Coasts of California, Oregon, and Washington: Past, Present, and Future explains that sea level along the U.S. As those states seek to incorporate projections of sea-level rise into coastal planning, they asked the National Research Council to make independent projections of sea-level rise along their coasts for the years 2030, 2050, and 2100, taking into account regional factors that affect sea level. Sea-level rise poses enormous risks to the valuable infrastructure, development, and wetlands that line much of the 1,600 mile shoreline of California, Oregon, and Washington. As Earth warms, sea levels are rising mainly because ocean water expands as it warms and water from melting glaciers and ice sheets is flowing into the ocean. Tide gauges show that global sea level has risen about 7 inches during the 20th century, and recent satellite data show that the rate of sea-level rise is accelerating. National Oceanic and Atmospheric Administration National Centers for Environmental Prediction Intergovernmental Panel on Climate Change Coupled Model Intercomparison Project Phase 3Ĭenter for Operational Oceanographic Products and Servicesĭoppler Orbitography and Radiopositioning Integrated by Satelliteįederal Emergency Management Administration
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