The Sea Level Affecting Marshes Model (SLAMM)-View is a web browser-based application that displays map pairs of the same area, each at different sea levels. The strength of this tool is its ability to visually show the modeling of sea level rise predictions, allowing people to see the impacts in a more intuitive way

SLAMM V2.0 (press release) The Sea Level Affecting Marshes Model (SLAMM)-View is a web browser-based application that displays map pairs of the same area, each at different sea levels. The strength of this tool is its ability to visually show the modeling of sea level rise predictions, allowing people to see the impacts in a more intuitive way. It provides tools for improved understanding of results from research projects that use Version 2.0. SLAMM-View was designed for a user-friendly, workflow-based approach to assess impacts of sea-level rise on coastal areas with both visualization and analysis functionality. SLAMM-View provides simultaneous comparison between both current and future conditions out to the year 2100, and among different sea-level rise scenarios (e.g.,  0.4 meter vs. 1 meter), using interactive maps and tabular reporting capabilities. To date, SLAMM-View provides access to SLAMM simulation results for the entire  coastlines of 5 states, and partial coverage of an additional 4 states. SLAMM-View can be  used in either Quick Mode or Interactive Mode: Use Quick Mode to: • Enter your location of interest • Find out if SLAMM results are available for that location • Immediately compare maps of current and future conditions maps for any available location • Access all Interactive Mode functionality Use Interactive Mode to: • View Project-level summary information • Interactively select a Project, Region, Scenario(s), and Simulation Years • Compare maps of current and future conditions • Specify a geography and create a report summarizing changes over time for each  scenario “Sea level rise is certainly one of the most pressing issues facing many coastal  communities, as well as national wildlife refuges,” said Chincoteague National Wildlife  Refuge Manager Lou Hinds. “SLAMM will be used by many coastal refuge managers to  involve the public in discussions concerning sea level rise as part of the Comprehensive Conservation Planning process. This planning process must be undertaken every 15 years  and unless something changes dramatically coastal refuges will be dealing with this issue  over the next 100 years,” Hinds added. Most sea level rise models examine inundation patterns and do not take into account the  biological impacts. SLAMM also looks at sediment and organic matter accumulation on the marshes as well as erosion from tides and storms that can overtake coastal barrier beaches. In addition, SLAMM depicts how these relationships will remain coupled as sea levels rise. The SLAMM also predicts changes in coastal wetlands and shorelines. These simulations  are based on the best available science and technology. Users can select different  scenarios by combining time, in 25-year intervals, at different severities, e.g., 0.5 meters to  1 meter increase in sea level. “This new web-mapping tool can be used to educate communities on the potential effects of  sea level increases,” said Leopoldo Miranda, Supervisor, Chesapeake Bay Field Office.  “For nearly 20 years, the information provided by SLAMM was available only in table or  static map form. SLAMM-View now provides this in a visually dynamic way that more  organizations and individuals will be able to use.” One unique aspect of SLAMM is that the dual maps are geographically-linked: zooming or  panning in one map causes an identical alteration in the other map. Regional simulations  have been posted on SLAMM-View for a number of important estuaries, including Delaware  Bay, coastal South Carolina, coastal Georgia, Puget Sound and Chesapeake Bay. As data becomes available, more map layers and simulations will be made available to the public,  including site-specific SLAMM simulations for Chincoteague National Wildlife Refuge. The  Viewer shows 45 possible fine-scale combinations of sea level rise scenarios with over a  dozen contextual layers you can turn on or off. The visual impact of this map modeling tool  makes it a reality to everyone. The SLAMM view tool can be accessed at: http://www.slammview.org. SLAMM-View 2 fact sheet The National Wildlife Federation offers more information and several reports on Sea-Level Rise and the Chesapeake Bay US Fish & Wildlife Service National Wetlands Inventory. The US Fish & Wildlife Service produces information on the characteristics, extent, and status of the Nation’s wetlands and deepwater habitats. Vanishing Lands, Sea Level, Society and Chesapeake Bay, 1995 Fifteen years ago, the Coastal Program developed this publication. Although 15 years old, we still believe it serves as a source of good baseline information, helping managers with their restoration efforts in the Bay ecosystem. 11 mb Download the poster (left) Visualizing Sea Level Rise on Coastal Marshes, which looks at sea-level rise in two vulnerable areas; Blackwater and Chincoteague National Wildlife Refuges. 4.3 mb, 24"w x 36"h Chesapeake Bay Land Subsidence and Sea Level Change An Evaluation of Past and Present Trends and Future Outlook Virginia Institute of Marine Science Special Report No. 425 in Applied Marine Science and Ocean Engineering November 2010 Coastal Sensitivity to Sea-Level Rise: A Focus on the Mid-Atlantic Region  Final Report, Synthesis and Assessment Product 4.1  Planning for Sea Level Rise and Coastal Flooding Virginia Institute of Marine Science October 2008 Learn about Changing Sea Levels (PowerPoint slide show) Sea Level Rise Affecting Marshes Model in Alaska A White Paper on Data Requirements and Data Inventory for Alaska SLAMM Analyses  Appendix A A White Paper on Data Requirements and Data Inventory for Alaska SLAMM Analyses Appendix B SLAMM Analysis of Kenai Peninsula and Anchorage, AK Assessing the Vulnerability of Alaska’s Coastal Habitats to Accelerating Sea-level Rise Using the SLAMM Model: A Case Study for Cook Inlet National Wildlife Federation Homepage Sea Level Rise in Alaska          Project Team Members National Wildlife Federation Christopher Craft Indiana University School of Public and Environmental Affairs Mandy Joye University of Georgia Department of Marine Sciences Steve Pennings University of Houston Department of Biology and Biochemistry Richard Park Eco Modeling Jonathan Clough Warren Pinnacle Consulting Jeff Ehman Image Matters, LLC US Environmental Protection Agency National Center for Environmental Research US Fish & Wildlife Service

Last updated: March 22, 2011 

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