Flooding

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  • Ducklings and a swan gather on a sandbank in the Jamaica Bay neighborhood of New York City

    Report

    Building Resilience in an Urban Coastal Environment

    What are the potential effects of climate change and sea level rise on flood risk, ecosystems, and water quality in New York City's Jamaica Bay? How can flood risk be reduced while also improving water quality, restoring habitat, and improving resilience to extreme weather events?

    Jul 31, 2018

  • Wetlands in the Jamaica Bay Wildlife Refuge, with houses in the background.

    Journal Article

    Computational Modeling of the Jamaica Bay System

    For Jamaica Bay, and other coastal areas being studied for resilience capacity, we need not only models that are published and in the public domain, but mechanisms to generate scenarios that address resilience from various perspectives.

    Jun 28, 2018

  • Aerial view of Miami, Florida

    Report

    Adapting to a Changing Climate in Southeast Florida

    Florida's Miami-Dade and Broward counties are vulnerable to flooding and intrusion of saltwater into drinking water. These risks are driven by sea level rise, changes in precipitation, and urban development. How can the region adapt?

    Jun 6, 2018

  • Houses are seen partially submerged in flood waters caused by Tropical Storm Harvey in Northwest Houston, Texas, August 30, 2017

    Commentary

    Why Houstonians Didn't Buy Flood Insurance

    Thousands of Houston-area homeowners will face massive, uninsured losses due to flood damage. Few homeowners buy flood insurance unless they are required to, and it's only mandatory for homes with mortgages located in FEMA-defined high-risk flood zones. People tend to ignore low-probability risks.

    Sep 12, 2017

  • A picture of multiple street signs in a flood

    Report

    Landscape Survey to Support Flood Apex National Flood Decision Support Toolbox: Definitions and Existing Tools

    This report summarizes the literature on resilience to flood risk, its analysis and measurement, and examples. It also catalogs decision support tools for flood mitigation and makes recommendations for further investigation of the tools.

    Sep 7, 2017

  • Lake Pontchartrain sunset

    Report

    Reducing Coastal Flood Risk with a Lake Pontchartrain Barrier

    A Lake Pontchartrain barrier could provide substantial damage reduction benefits—including reduced flood depths and preventing direct economic damage—for southeastern Louisiana, potentially amounting to billions of dollars saved per year.

    Aug 4, 2017

  • A view of downtown Pittsburgh, the Sixth Street Bridge, and the Allegheny River

    Report

    Robust Stormwater Management in the Pittsburgh Region

    The city of Pittsburgh and its surrounding region face significant—and potentially growing—stormwater management challenges. Analysis can help better understand the system's vulnerabilities and identify solutions.

    Apr 24, 2017

  • News Release

    Rising Flood Insurance Costs a Growing Burden to Communities and Homeowners in New York City

    Hurricane Sandy underscored the need for greater resilience to flooding. Insurance is part of the strategy, but it is spotty among one- to four-family properties in New York and is difficult for some to afford. Adding to the challenge is direction from Congress to phase out subsidies in the National Flood Insurance Program.

    Mar 27, 2017

  • The remains of houses destroyed during Hurricane Sandy are seen in the Rockaways area of New York's borough of Queens, January 14, 2013

    Report

    Flood Insurance Costs Rising in New York City

    Hurricane Sandy highlighted the importance of efforts to promote resilience. Flood insurance is a key component, but it's hard to afford for some households in New York City. What are some options for a program that helps reduce the impact of higher premiums?

    Mar 27, 2017

  • A flooded street in an oceanside community after Hurricane Sandy.

    Research Brief

    How Affordable Is Flood Insurance in New York City and What Can Be Done to Address Affordability Issues?

    This research brief examines the affordability of flood insurance in New York City and what can be done to address the affordability issue.

    Mar 26, 2017

  • Baotu Spring in Jinan City, Shandong, China

    Report

    Evaluation of the Jinan City Water Ecological Development Implementation Plan and Recommendations for Improvement

    RAND evaluated potential effects of uncertain projections of demand and climate change on the ability of the Jinan Municipal Water Resources Bureau to meet its long-term water resources goals for Shandong Province's capital city.

    Mar 9, 2017

  • Journal Article

    Bias and Efficiency Tradeoffs in the Selection of Storm Suites Used to Estimate Flood Risk

    This study examines methods for estimating storm surges and flood statistics.

    Feb 26, 2016

  • Cars stranded in flood waters from Hurricane Irene in lower Manhattan, August 28, 2011

    Commentary

    Why Engineers Need to Be Thinking About Climate Change

    As sea levels rise and extreme weather events become more common, evacuation routes in coastal areas will become more important. Transportation engineers need to be more proactive as they try to anticipate damage to pavement, bridges, and culverts.

    Feb 22, 2016

  • Tourists walk past the entrance to the Hurricane Katrina Memorial, New Orleans, Louisiana, August 23, 2015

    Blog

    Hurricane Katrina: 10 Years After the Storm

    This weekend marks 10 years since Hurricane Katrina ravaged the Gulf Coast. As the region struggled to cope and rebuild after the storm, RAND experts worked on solutions to the region's long-term challenges.

    Aug 27, 2015

  • Flood waters from Hurricane Isaac partially submerge homes in Lafitte, Louisiana neighborhoods in August 2012

    Commentary

    Future of Coastal Flooding

    President Obama's executive order that directs federal agencies to plan and build for higher flood levels as they construct new projects in flood-prone regions will affect hundreds of billions of dollars of future public works projects. In an ideal world, planners would estimate the benefits and costs for each project, taking into account everything from the details of the local landscape to the potential for adaptive responses over time.

    Feb 25, 2015

  • Research Brief

    How RAND Supported the Development of Louisiana's Comprehensive Master Plan

    To plan the rebuilding of the Louisiana coastline, the Coastal Protection and Restoration Authority used a new analytic approach, developed in part by RAND, that incorporates results from state-of-the-art predictive models within a decision tool to formulate and compare alternatives and visualize outcomes and trade-offs for policymakers and stakeholders.

    Mar 18, 2014

  • News Release

    Tools Can Help Policymakers Increase Coastal Resilience to Rising Seas and Storm Surge

    Two key analytic tools can be used to evaluate how coastal protection and restoration decisions made now will play out over time, even given an uncertain future.

    Feb 21, 2014

  • Louisiana coast and levy

    Report

    Tools Can Help Policymakers Increase Coastal Resilience to Rising Seas and Storm Surge

    Two key analytic tools can be used to evaluate how coastal protection and restoration decisions made now will play out over time, even given an uncertain future. For example, a community weighing whether to implement a marsh-building project can see how the project fares against different rates of rising sea levels over time.

    Feb 19, 2014

  • men walk through flooding left by the storm surge of Superstorm Sandy in the New Dorp Beach neighborhood of Staten Island

    Commentary

    A Year After Sandy, a New Threat to New York City

    As residents continue to recover from Superstorm Sandy, they are about to confront dramatic changes in the flood insurance landscape. Changes to federal floodplain maps will mean thousands of New Yorkers will suddenly be living in areas designated as high-risk flood, which will send their insurance rates soaring.

    Nov 5, 2013