2023 Winter Issue - 105
The project is being led by Kelly
Burks-Copes, project manager for
the Corps of Engineers, Galveston
District, and nonfederal partners,
the Texas General Land Office, and
the Gulf Coast Protection District. It
is estimated that every day of delay
in beginning the projects adds
$3 million to overall project costs.
In addition, once constructed, it will
cost $130 million to $140 million
per year just to operate.
The coastal resilience plans
feature two principal intersecting
elements:
* The Coastwide Ecosystem
Restoration Plan, along nearly the
entire Texas coastline from Galveston
to Corpus Christi, to improve
resilience using mostly naturebased
solutions; and
* The Galveston Bay Storm Surge
Barrier System, an elaborate battery
of coastal defenses surrounding
Galveston Bay using extremely
robust manmade heavyweight engineering
solutions, to protect the
Houston Ship Channel and the Port
of Houston.
Restoring the Coastal
Ecosystem
Natural solutions to coastal waterrelated
events, such as storm
surge, tidal erosion, and sea-level
rise, have an increasingly important
role in ensuring that coastal areas
are resilient. " Nature-based solutions
that are designed with a view
to the whole system-meaning
both the natural and human-made
environments-can be key for
improving resiliency of an area or
region over the long term, " Taylor
Nordstrom, a coastal engineer for
AECOM, said in an interview.
Natural solutions involving ecological
restoration to create " living
shorelines " are increasingly found
to improve resilience against rising
waters. Such solutions slow, hold,
and absorb rainwater, mitigate
flooding and erosion, capture nutrients,
and filter water. They also
provide habitat connectivity and
biodiversity, store carbon, moderate
temperatures, improve air quality,
and provide access and recreation.
Natural solutions can replace, or
supplement, traditional hard engineering
solutions.
Natural solutions are normally
much lighter weight than many
typically concrete-based engineering
solutions. Seventy percent
of coastal and marine structures
are concrete based, says Karin
O'Brien, technical director for business
development for ECOncrete.
Concrete barriers are problematic
because they can be so heavy that
they cause the land on which they
are constructed to sink.
Jim Blackburn, chief executive
officer of BCarbon, noted at the
Coastal Forum that the Texas coast
The Coastwide Ecosystem Restoration
Plan is designed to restore degraded
ecosystems that buffer communities and
industry at eight locations on the Texas
coast against erosion, subsidence, and
storm losses. The coast is relatively flat,
with flood events reaching far inland,
making restoration of the ecosystem
important for resilience and minimization
of inland flooding.
WINTER 2023
URBAN LAND
103
U.S. ARMY CORPS OF ENGINEERS, GALVESTON DISTRICT
2023 Winter Issue
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