Volcano Web Shorts #2: Debris Flows
Debris flows are hazardous flows of rock, sediment and water that surge down mountain slopes and into adjacent valleys. Hydrologist Richard Iverson describes the nature of debris-flow research and explains how debris flow experiments are conducted at the USGS Debris Flow Flume, west of Eugene, Oregon. Spectacular debris flow footage, recorded by Franck Lavigne of the Universite Paris, makes clear the destructive power of these flows.
Featured image, caption and video: USGS
[…] Astronomical Observatory of Japan predicted that the Sun’s magnetic field will assume a quadrupole configuration in Solar Cycle 24. Generally speaking, the solar magnetic field has a bipolar […]