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An Interactive Sea Level Rise Presentation

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Alabama Coastal Foundation

on 23 June 2016

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Transcript of An Interactive Sea Level Rise Presentation

Interactive Sea Level Rise Tools
What Is Sea Level Rise?
Protecting Coastal Communities by Linking Science and Citizens
Alabama Coastal Foundation
Gulf of Mexico Alliance
Louisiana State University
The Nature Conservancy
University of Central Florida

Apalachicola National Estuarine Research Reserve
Anita Grove
Coastal Training Program
108 Island Drive
Eastpoint, FL 32328
Weeks Bay National Estuarine Research Reserve
Coastal Training Program
11300 US Highway 98
Fairhope, AL 36532
Mike Shelton
Grand Bay National Estuarine Research Reserve
Coastal Training Program
6005 Bayou Heron Road
Moss Point, MS 39562
Margo Posten
You are to be commended. You have taken your valuable time to view this presentation and learn more about Sea Level Rise.

The goal of this presentation is to provide you with the tools necessary to plan and protect your community should sea level rise become a threat.
Sea Level Rise
is the increasing height of the world’s oceans due to changes in the Earth's climate
Why is it occurring?
What does this mean?
Who is at risk?
The two major changes causing sea level rise are:
expansion of the oceans as the Earth warms
melting of ice in glaciers and polar ice sheets that cover land
Climate GIF: http://www.climate-lab-book.ac.uk/files/2016/05/spiral_optimized.gif
Rising oceans will cause salt water to reach new areas farther inshore
Coastal states will become more vulnerable to the damage from the rising waters
Storm surge from coastal storms will be worse
Risk of damaging or losing land caused by increasing coastal erosion will be greater
Everyone along the coast is at risk
Rising sea levels can affect:
coastal communities where people live
shorelines, marshes and other natural areas where seafood, birds and wildlife live
vital infrastructure like roads, bridges and buildings in low-lying areas
the economy in coastal areas
What tools are available
to help communities make
decisions about areas affected
by sea level rise?
Decision Support Tools
develop scenarios of future conditions resulting from potential climate change effects and management decisions
integrate various tool outputs to help develop “what if” scenarios that allow practitioners to investigate a wide variety of management outcomes
The three tools chosen for this workshop are in the decision support category
This category generally provides functionality in:
Data Management
Scenario Development
Stakeholder Engagement
Three Sea Level Rise Decision Support Tools
Coastal Resilience

Mapping Interface for Research Applications/Coastal Dynamics of Sea Level Rise (MIRA-CDSLR)

Sea Level Rise Viewer

built by the Nature Conservancy
ecological, social, and economic information can be viewed alongside sea level rise and storm surge scenarios in specific geographies
plug-in tools address specific coastal issues and help visualize potential nature-based adaptation solutions
this tool provides assessments for decision makers in specific geographic areas
helps identify nature-based solutions for reducing vulnerabilities and disaster risk
built by faculty and students of the University of Central Florida's CHAMPS lab, with supprt from NOAA Center for Coastal Science and partners from UCF's Biology Department, University of South Carolina and Florida State University
computer models that incorporate descriptions of the sea floor, coastal floodplains, land use and historic weather conditions
can use to simulate changes to the environment, such as vegetation, population growth, and sea level rise
NOAA tool provides exposure to inundation from coastal flooding and sea level rise and provides nationally consistent data for download or consumption via map services
The digital elevation models that form the base maps are conditioned specifically for mapping inundation and have been used in selected coastal resilience efforts and for storm surge modeling and mapping by the National Hurricane Center
NOAA’s primary objectives for this tool are to provide open access to the data that local communities need to address their needs
The viewer includes full coverage for the contiguous U.S. in 2014
Coastal Resilience Tool
Sea Level Rise Viewer
Features map layers that explore different risk factors and models such as:
Social Vulnerability Index or...
Habitat Distribution
These layers allow you to overlay Sea Level Rise with different factors in order to visualize the consequences off different projected levels of flooding hazards
View different SLR projections, with areas at risk in blue, and low lying areas in green
Variety of layers over large range allows comparison of both layers and selected areas
Key Distinctions:
Uses the best data available at any given location, without respect to uniformity across locations
Sea level rise scenarios are based on various emission scenarios and specific time increments
Includes storm surge scenarios derived from regional Sea, Lake, and Overland Surges from Hurricanes or MIKE21 model outputs for some geographies
Socio-economic exposure map based on Social Vulnerability Index data and potential structural damage estimates runs in some geographies
Marsh and mangrove migration analyses at specific sites based on Sea Level Affecting Marshes Model runs
Such as:
Simulated Storm Surge
Land Use/Land Cover
Key Distinctions:
Simulates how sea level rise interacts with shoreline erosion, land use change, coastal floodplains, tides and historic weather conditions at a local scale
Uses uniform methods and data across the range of the tool
Focuses on the storm surge from Hurricane Katrina and how this interacts with sea level and land use.
Socio-economic exposure information is not included
Past and projected land use is included in the model so that land use contribution to the coastal dynamics of sea level rise can be seen
Features a scroll bar approach to visualizing SLR
Key feature shows SLR at landmark sites
Key Distinctions:
A bathtub visualization across all coastal areas of contiguous US, and selected islands
Uses uniform methods and data for all locations.
Sea level visualizations are provided at one-foot increments above mean higher high water irrespective of time
Includes flood frequency information based on local National Weather Service field office thresholds for shallow coastal flood warnings
Storm surge data not included
Socio-economic exposure map based on Social Vulnerability Index
Marsh migration analysis available for all geographies based on NOAA coastal land cover data
National Climate Assessment: Coasts Video

National Ocean Service's Facts about Sea Level Rise

Sea-Level Change Curve Calculator
US Global Change Research Program

National Oceanic and Atmospheric Administration

US Army Corps of Engineers
Additional Resources
Whether you’re a private citizen, elected official, city planner, engineer or represent a private sector corporation, Sea Level Rise will continue to play an increasingly important role.
1. It’s not a problem for the future. It is happening now.

2. Two main factors contribute to sea level rise:
(1) expansion of the oceans as the earth warms
(2) melting of land ice

3. Even a small increase in sea level will increase the percentage of properties at risk.

4. Local flooding associated with normal rain events, high tides, and tropical storm surges will impact more properties.

5. Gradual sea level rise can have an impact on coastal environments such as:
coastal erosion
wetland and coastal plain flooding
loss of habitat for fish, birds, and other wildlife
increased salinity in soils and freshwater aquifers
Five Things You Should Know About Sea Level Rise
1. Buy flood insurance.

2. Mitigate the effects by elevating your home.

3. Work with nature to protect and create wetlands.

4. Remove debris and grass clippings from drainage areas to prevent clogging storm drains.

5. Work with nature to slow and filter water.
Five Things You Can Do About Sea Level Rise & Increased Flooding
Knowledge without action cannot affect change
Additional Decision Support Tools
Sea Level Affecting Marshes Model Visualization (SLAMM View): http://www.slammview.org/

Sarasota Bay Sea Level Rise Map Viewer

Sea Levels Online

Surging Seas

U.S. Fish and Wildlife Service and partners

Sarasota Bay Estuary Program


Climate Central (non-profit org.)

Each graph shows low, intermediate and high projections
To help visualize this data, there are several helpful tools...
Sea Level Rise Projections
Each line shows a different model of projected sea level rise based on a variety of factors affecting sea level rise
We can project expected rates of sea level rise using information gathered from gauges that have been measuring tide for years
Graphs generated at http://www.corpsclimate.us/ccaceslcurves.cfm
Information gathered from http://tidesandcurrents.noaa.gov/sltrends/sltrends.html
Fairhope Pier with no SLR
Fairhope Pier with 6 ft. SLR
(View in full-screen for best experience)
Feet of Sea Level Rise
Feet of Sea Level Rise
In this presentation we define a tool as a web-based simulation that can be changed by the user to incorporate data and do specialized analyses.

Using tools described here in the local planning process can help everyone see the potential effects of rising seas and make better decisions to reduce negative impacts.
Let's look at a category of
online tools called decision
support tools.
Project funded by:
Full transcript