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Future Flood Losses in Major Coastal Cities
August 2013
This article, published in the journal Nature Climate Change, quantifies present and future flood losses in the world’s largest 136 coastal cities. The researchers conclude that the world’s coastal cities cannot afford to ignore adaptation measures and policies in the face of increasing climate-related flood losses.
Authors or Affiliated Users: Stephane Hallegatte, Colin Green, Robert J. Nicholls, Jan Corfee-Morlot
Resource Category: Assessments
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Homeowners' Insurance Changes in Coastal Virginia: Causes and consequences for shoreline communities
July 2013
This study reviews the extent to which the private insurance industry may influence adaptation to climate change along Virginia’s tidal shoreline through homeowners insurance. Homeowners insurance is becoming more costly along the Atlantic Coast and coverage is changing, especially for wind damage. This year-long study by Wetlands Watch explored the private sector perceptions on sea level rise and climate adaptation, examines the specific drivers behind increasing insurance rates, and provides plausible adaptive actions in response to these increasing rates.
Authors or Affiliated Users: Skip Stiles, Shannon Hulst
Resource Category: Assessments
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The Impact of Climate Change and Population Growth on the National Flood Insurance Program Through 2100
June 12, 2013
This report prepared by AECOM was commissioned by the Federal Emergency Management Agency (FEMA) to analyze potential long-term effects of climate change on the National Flood Insurance Program (NFIP). Through this study, FEMA hopes to understand the potential impact of climate change on the financial strength of the NFIP, and recommend options to increase the NFIP’s viability. The climate change impact assessment includes all 50 states, as well as consideration of the U. S. territories, where attention was given primarily to areas of greatest population and the largest inventory of at-risk properties.
Resource Category: Assessments
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Coastal Climate Resilience: Designing for Flood Risk
June 2013
Designing for Flood Risk provides key design principles to guide flood resistant construction in urban areas. Recommendations are given for regulations and individual project design to incorporate the distinct needs of higher-density urban environments in the design of new buildings in flood zones. This report has also identified several key proposed changes to New York City’s zoning that will promote practical, flood-resistant buildings that may differ from earlier, less resilient construction, but are sensitive to the existing context and heritage of neighborhoods.
Resource Category: Solutions
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New Zealand Transport Agency: SH16 Causeway Upgrade Project
The New Zealand Transport Agency (NZTA) is upgrading and elevating the State Highway 16 (SH16) Causeway near Auckland to reduce roadway flooding during extreme tidal conditions under projected future sea-level rise. The SH16 Causeway Upgrade Project involves raising 4. 8 kilometers (3 miles) of both roadway and bike path along SH16, also known as the Northwestern Motorway, by 1. 5 meters (5 feet). For this project, NZTA utilized sea-level rise planning recommendations produced by the NZ Ministry for the Environment.
Resource Category: Solutions
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Resilient Coastal Development Through Land Use Planning: Tools and Management Techniques in the Gulf of Mexico
April 11, 2013
This toolkit identifies ways to strengthen community resilience through land use planning, focusing specifically on options for the Gulf Coast and the unique considerations related to state laws. The resource also discusses the side benefits of resiliency, like participation in the National Flood Insurance Program (NFIP) and a preferred score on the Community Rating System to achieve discounts on flood insurance premiums in qualifying communities.
Author or Affiliated User: Niki L. Pace
Resource Category: Law and Governance
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Portsmouth, New Hampshire Coastal Resilience Initiative: Climate Change Vulnerability Assessment and Adaptation Plan
April 2, 2013
The City of Portsmouth, New Hampshire Coastal Resilience Initiative (CRI) was established to assess the potential local impacts from climate change for the state's "Seacoast" region, and to initiate adaptation planning. Prepared for the CRI by a team of researchers from the University of New Hampshire and the Rockingham Planning Commission, a detailed report provides an overview of the projected climate vulnerability of Portsmouth’s public and private assets. The report includes an assessment for climate change impacts on critical infrastructure and facilities, public health and coastal wetlands, and includes adaptive strategies for each of these sectors.
Resource Category: Planning
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Recurrent Flooding Study for Tidewater Virginia – Transportation Impacts
January 14, 2013
This study makes projections for recurrent flooding in coastal Virginia, outlines the predicted impacts on transportation infrastructure, and offers planning and implementation activities to reduce risks to coastal infrastructure. The report provides an overview of available adaptation strategies for recurrent flooding, reviews their implementation around the world, and identifies specific strategies appropriate for Virginia.
Authors or Affiliated Users: Molly Mitchell, Carl Hershner, Julie Herman, Dan Schatt, Pam Mason, Emily Eggington
Resource Category: Assessments
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VIMS Recurrent Flooding Study for Tidewater Virginia
January 14, 2013
In March 2012, the Virginia Legislature passed House Joint Resolution No. 50, which directed the Virginia Institute of Marine Science (VIMS) to study the impacts of recurrent flooding in Tidewater and the Eastern Shore, and to identify adaptation strategies. The Recurrent Flooding Study makes projections for recurrent flooding due to sea-level rise, storm surge, and heavy rainfall, addressing all localities in Virginia's coastal zone.
Authors or Affiliated Users: Molly Mitchell, Carl Hershner, Julie Herman, Dan Schatt, Pam Mason, Emily Eggington
Resource Category: Assessments
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Redesign of 21st Street, Paso Robles, California
2013
The City of Paso Robles, California redesigned a downtown street utilizing complete and green street design principles to better manage precipitation and stormwater runoff in a natural drainage area. The 21st Street redesign project has proven successful as a means of stormwater management. In a three-month period, the street’s new features, which include pervious pavement, street trees, and a stream channel in the middle of the street, helped mitigate flooding from nine significant rain events, and recharged approximately 250,000 gallons of stormwater into the region’s groundwater basin.
Resource Category: Solutions


