flood

Interactive map of sea level rise impacts in Delaware

The Delaware Sea Level Rise Inundation map shows how various extents of future sea level rise (0.5, 1.0, and 1.5 meters) would affect flooding in coastal Delaware. For each scenario, users can see the areas that would be flooded during an average higher tide (Mean Higher High Water). The map does not include the effects of erosion, subsidence, or future construction.

Users can search by location to see the effects on individual areas.

Click here to access the interactive map.

Planning for Coastal Storm and Erosion Hazards

Thursday, July 6, 2017

Coastal hazards are a widespread challenge that cost millions (and sometimes billions) of dollars in the U.S. every year due to property loss and spending on mitigation measures. Based on the most recent U.S. Census, over 39% of the U.S. population lives in areas that may undergo significant coastal flooding during a 100-year flood event1. Additionally, six of the ten most expensive weather-related disasters in U.S. history have been caused by coastal storms1,2. Reducing risk and responding to coastal hazards is an ongoing challenge that relies on close coordination and cooperation between geoscientists, coastal planners, emergency managers, and communities at all levels.

An introductory talk and three case studies from around the U.S. cover coastal storm and erosion hazards in the U.S., as well as examples of coastal hazard planning from the Pacific, Gulf, and Atlantic coasts, with a focus on how geoscience informs planning at all levels. Speakers from California, Texas, and Georgia discuss the impacts of coastal storms and erosion, tools used for coastal hazard mitigation planning in their regions, and examples of community engagement and coordination.

Our speakers are:

Webinar Co-Sponsors
American Institute of Professional Geologists; American Meteorological Society; Association of Environmental & Engineering Geologists; Consortium for Ocean Leadership; Environmental and Engineering Geophysical Society; Federal Emergency Management Agency; Geological Society of America; Geo-Institute of the American Society of Civil Engineers; International Association of Emergency Managers; National Oceanic and Atmospheric Administration; U.S. Geological Survey.

References:

1 Coastal Flood Risks: Achieving Resilience Together. Federal Emergency Management Agency
2 Billion-Dollar Weather and Climate Disasters: Table of Events. National Centers for Environmental Information

CEU Credits

To earn CEU credits, please complete the associated on-demand GOLI course that was developed from this webinar with a grade of 70% or higher and then submit your application for CEUs. CEUs are awarded from the American Institute of Professional Geologists. To view the full list of on-demand GOLI courses, please browse the GOLI course catalog.

Resources to learn more:

Search the Geological Surveys Database for reports and factsheets about coastal hazards.

Coastal Hazards: Coastal Storms and Erosion: Managing for an Uncertain Future

What is Lidar and what is it used for?

National Oceanic and Atmospheric Administration

"LIDAR, which stands for Light Detection and Ranging, is a remote sensing method that uses light in the form of a pulsed laser to measure ranges (variable distances) to the Earth. These light pulses—combined with other data recorded by the airborne system— generate precise, three-dimensional information about the shape of the Earth and its surface characteristics.

Atmospheric Rivers Increase Water Supply in California - But Only to a Point

A series of "atmospheric river" storms have brought thirst-quenching rain to much of California, but much of that water is contributing to high - and in some cases dangerous, as seen with the Oroville Dam - levels of runoff. In the April comment for EARTH Magazine, Jeffrey Mount, a senior fellow at the Public Policy Institute of California Water Policy Center, provides timely insight into what he calls "a blessing and a challenge for California water managers." Read more in EARTH Magazine's April comment, live today at EARTH online.

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