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Wind erosion of soil at the foot of Chimborazo, Ecuador Rock carved by drifting sand below Fortification Rock in Arizona (Photo by Timothy H. O'Sullivan, USGS, 1871). Aeolian processes, also spelled eolian, [1] pertain to wind activity in the study of geology and weather and specifically to the wind's ability to shape the surface of the Earth (or other planets).
A dune is a large pile of wind-blown material, typically sand or snow. As the pile accumulates, its larger surface area increases the rate of deposition in a positive feedback loop until the dune collapses under its own weight. This process causes dunes to move in the direction of the wind over time. [6] [7] Death Valley Mesquite Flats sand dunes.
Sea heaps up and white foam from breaking waves begins to be blown in streaks along the direction of the wind; spindrift begins to be seen Whole trees in motion; inconvenience felt when walking against the wind 8 Gale, fresh gale 34–40 knots 39–46 mph 62–74 km/h 17.2–20.7 m/s 18–25 ft 5.5–7.5 m
The Santa Anas are katabatic winds (Greek for "flowing downhill") arising in higher altitudes and blowing down towards sea level. [7] The National Weather Service defines Santa Ana winds as "a weather condition [in southern California] in which strong, hot, dust-bearing winds descend to the Pacific Coast around Los Angeles from inland desert regions".
Cherry tree moving with the wind blowing about 22 m/sec (about 79 km/h or 49 mph) Sound of wind blowing in a pine forest at around 25 m/sec, with gust alterations Wind is the natural movement of air or other gases relative to a planet's surface.
The Santa Ana winds of Southern California can be visualized in several ways. You can see their effects as palm trees sway in the morning light or when clean-up crews arrive to deal with branches ...
Wind from the Sea is a 1947 painting by the American artist Andrew Wyeth. It depicts an inside view of an open attic window as the wind blows the thin and tattered curtains into the room. The painting is housed at the National Gallery of Art in Washington, D.C., it is on view in the East Building on the Ground Level in Gallery 106C. [1]
Waterfowl like ducks and geese poop in lakes, he says, and wind blowing over that water may carry the virus to nearby farms. “We’re in unprecedented territory right now,” Osterholm said ...