Flash Flood in Krymsk, July 6–7, 2012

The Securitization Flash Flood

What caused the flood of securitized products in the years immediately preceding the crisis? This paper presents evidence that demand for safe collateral in repo markets made it attractive for financial institutions to issue securitized products. Using the 2005 Bankruptcy Abuse Prevention and Consumer Protection Act (BAPCPA) as a natural experiment that shocked the demand for collateral, this p...

Impacts of a flash flood on drinking water quality: case study of areas most affected by the 2012 Beijing flood

In this study, we present a method for identifying sources of water pollution and their relative contributions in pollution disasters. The method uses a combination of principal component analysis and factor analysis. We carried out a case study in three rural villages close to Beijing after torrential rain on July 21, 2012. Nine water samples were analyzed for eight parameters, namely turbidit...

Flash flood awareness in southwest Virginia.

Flash floods are one of the most dangerous weather-related natural disasters in the world. These events develop less than six hours after a rainfall event and create hazardous situations for people and extensive damage to property. It is critical for flash flood conditions to be warned of in a timely manner to minimize impacts. There is currently a knowledge gap between flood experts and the ge...

Welding Journal - July 2012

A skilled welder determines the weld joint penetration from his/her observation of the weld pool surface during the welding process. This paper addresses the characterization of the 3D weld pool surface in gas tungsten arc welding (GTAW), i.e., extracting a set of characteristic parameters from the 3D weld pool surface to determine the backside bead width that measures the degree of weld joint ...

Contents Digest July 2012