h-gaps houston-galveston area protection system
DESCRIPTION
Presented by SSPEED Center Rice University at the Texas Water Conservation Association Conference in The Woodlands, Texas - March 2014TRANSCRIPT
H-GAPS Houston-Galveston Area
Protection System
By SSPEED CenterRice University
SSPEED CenterThe Center is based out of Rice University and collaborates with leading academic institutions, the private sector and
public entities.
Major funding from Houston Endowment
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SSPEEDSSPEED
3ADCIRC Model data courtesy of
Dr. Clint Dawson, U. of Texas
Existing Conditions
Houston Ship Channel Industrial Complex
50,000 + direct jobs $100 billion + potential damage
Ike at Point 7 with Increased Winds (25 ft Surge)
Existing Conditions + Centennial Gate
Option A SH 146
Option B Barbours Cut
FRED HARTMAN BRIDGE OPTION ‘A’
OPTION B2
Evaluation of Effects
• Consideration of Land Use Impacts of Construction and Operation
• Computer Modeling of With and Without Option A and Option B under Different Scenarios
• Computer Modeling of San Jacinto flood flows and surge suppression
11
Existing Conditions +Green Options
Lone Star Coastal National Recreation Area (LSCNRA)
Lone Star Coastal Exchange (LSCE)
Landscape-Scale Green Space Alternatives
Proposed Lone Star Coastal National Recreation Area
Public Leadership and Rules
Sec. James Baker John Nau
Partnership Among Local, State and Federal Governments and NGOs
No New Regulation
No Involuntary Participation
Trading Platform Sellers
Buyers
Proposed Lone Star Coastal Exchange (LSCE)
Flood StorageConservation of Existing Habitat
Neo-tropical Migrant Habitat CreationCoastal Wetland Creation/Migration
Migratory Waterfowl Habitat CreationPrairie Habitat Creation
Forest Lands Habitat CreationCarbon Sequestration
Endangered Species Habitat
$
Potential Corps or FEMA Value Proposition
Marsh footprint: 2004; 2050; 2100
The “Bookends”
Centennial Gate +LSCNRA and LSCE
22
HEZ population = +/- 1,200,000 in 2010HEZ Projection = + 700,000 to 2040
The Houston Galveston Area Council estimates that it would take 36 hours to
evacuate 1 million residents under perfect conditions.
Existing Conditions+ Green Options+ Centennial Gate+ Elevated U.S. 87
Existing Conditions+ Green Options+ Centennial Gate + Elevated U.S. 87+ Elevated FM 3005
Existing Conditions+ Green Options+ Centennial Gate + Elevated U.S. 87+ Elevated FM 3005+ Galveston Levee
Existing Conditions+ Green Options+ Centennial Gate + Elevated U.S. 87+ Elevated FM 3005+ Galveston Levee + Oyster Reefs
Existing Conditions+ Green Options+ Centennial Gate + Elevated U.S. 87+ Elevated FM 3005+ Galveston Levee + Oyster Reefs+ Dredged Material
Existing Conditions+ Green Options+ Centennial Gate + Elevated U.S. 87+ Elevated FM 3005+ Galveston Levee + Oyster Reefs+ Dredged Material+ Elevated SH 146
Enhanced Evacuation With All Alternatives
Next Phase of Houston Endowment Grant
Develop H-GAPS into a Specific Proposal
Refine the Lone Star Coastal Exchange
Critically Examine the Ike Dike
Review of Biggert-Waters