Tag Archives: fluid dynamics

Detecting Porosity & Permeability

Effective porosity can be measured with electromagnetic induction probes. Hydraulic conductivity can be measured in-situ by observing water-level fluctuations in drill-holes. For a system at equilibrium, the system needs to be disturbed to produce fluid flow by either pumping water … Continue reading

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Biology(ish) items I’ve been linking to on various forms of social media recently: Dino-decorations and the Holiday Dino-tree Spider brains. I still vote that if your brain is so big it spills into your legs, then, still squished for space, … Continue reading

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Rheology

When Accretionary Wedge prompted for favourite geology words, I finally had to contribute to the distributed collaborative geoscience blog: Rheology. Rheology is the study of flows. In geophysics, rheological studies usually focus on lava, debris flows, and landslides: materials that … Continue reading

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An Introduction to Tsunami

The 11 March 2011 earthquake near Honshu, Japan triggered a tsunami that spread across the Pacific Ocean. The tsunami arrived an hour before I gave the first tsunami lecture for the Natural Catastrophes class. In that context, it seems an … Continue reading

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