Nature Talk: Sea Level Rise on Potomac River

    Date(s) - 05/15/2019
    7:30 pm - 9:30 pm

    Huntley Meadows Park Visitor Center

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    Sea Level Rise, Its Impact on the Potomac River Shoreline Ecosystems

    Please join the Friends of Dyke Marsh on Wednesday evening May 15 to hear Geoffrey Sanders, a National Park Service (NPS) biologist, give a presentation on the impact of sea level rise on Dyke Marsh and other shoreline communities based on modeling of several scenarios. His study concluded that “significant habitat changes are likely at Dyke Marsh as a result of rising water levels,” including changes in vegetation.

    From 1900 to 2017, sea levels rose about a foot and a half along the Chesapeake Bay, according to scientists at the Woods Hole Oceanographic Institution.  An Old Dominion University study, “Climate Change, Global Warming and Ocean Levels,” assumes a mid-range estimate of a 3.7-foot increase in sea level rise by 2100.  Former Governor Tim Kaine’s Commission on Climate Change in 2008 predicted that sea levels in the Chesapeake Bay region will be 2.3 to 5.2 feet higher by 2100.

    The program is sponsored by the Friends of Dyke Marsh and cosponsored by the Environmental Council of Alexandria, the Northern Virginia Conservation Trust, the Four Mile Run Conservatory Foundation, and the Potomac Riverkeeper Network

    This free, public program open to all will be at 7:30 p.m. at the Norma Hoffman Visitor Center, Huntley Meadows Park, 3701 Lockheed Blvd., Alexandria  Virginia 22306.  FODM will host an informal social gathering at 7:00 p.m. before the event.

    If you use a GPS device, be sure to enter the street address, not the park’s name.

    Dyke Marsh Wildlife Preserve is a 485-acre tidal freshwater marsh on the Potomac River one mile south of Old Town Alexandria, administered by the National Park Service and part of the George Washington Memorial Parkway. The Friends of Dyke Marsh is a 40-year old conservation advocacy organization. Visit Friends of Dyke Marsh website:




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