News tagged with sand beaches

Staying safe in sandy beaches

Beach sand contains all kinds of microorganisms, including those that can harm human health. Yet current guidelines are focused exclusively on monitoring the levels of microbes in the water.

dateAug 28, 2015 in Environment
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Transverse instability of megaripples

Aeolian ripples, which form regular patterns on sand beaches and desert floors, indicate the fundamental instability of flat sand surfaces under the wind-induced transport of sand grains.

dateMar 20, 2012 in Earth Sciences
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Iceland's Katla volcano is getting restless

(AP) -- If Iceland's air-traffic paralyzing volcanic eruption last year seemed catastrophic, just wait for the sequel. That's what some experts are saying as they nervously watch rumblings beneath a much more powerful Icelandic ...

dateOct 13, 2011 in Earth Sciences
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