GIS


Why did so many people die in the Lower Ninth Ward?

My last blog addressed a question that I’ve gotten the most over the last decade: how many people died because of Hurricane Katrina impacts in Louisiana? This blog post deals with the next most common question that I get: Why did so many people die in the Lower Ninth Ward? Typically, the person asking, whether…


Making Sense of Hurricane Katrina’s Death Toll

  How many people died because of the Hurricane Katrina? I’ve gotten that question a lot over the last few days, with reporters being specifically interested in Louisiana and New Orleans. It is a question that I spent 7 years focused on, which culminated in my dissertation in 2011 which was published as a scientific…


DisasterMap.net’s Analysis of the National Levee Database and 2010 Census

Introduction Our nation depends on levees and floodwalls to protect our communities, our homes, and our vital economic assets. America has nearly 15,000 floodwalls and almost 22,000 levees, according to our interpretation of a database maintained by the Army Corps of Engineers. These structures protect over 85,000 sq. miles that include 1,800 named Census places…