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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).
Atmospheric or wind-borne fugitive dust, also known as aeolian dust, comes from dry regions where high-speed winds can remove mostly silt-sized material, abrading susceptible surfaces. This includes areas where grazing , ploughing , vehicle use, and other human behaviors have further destabilized the land , though not all source areas have been ...
Silt may occur as a soil (often mixed with sand or clay) or as sediment mixed in suspension with water. Silt usually has a floury feel when dry, and lacks plasticity when wet. Silt can also be felt by the tongue as granular when placed on the front teeth (even when mixed with clay particles). Silt is a common material, making up 45% of average ...
Some 1.35 billion tons, or 8% of global river-borne sediment (16.5-17 billion tons globally), is transported by Ganges-Brahmaputra river system [5] annually according to decades old studies, it is unquantified how much variance year to year as well as the impact modern humans have on this amount by holding back sediment in dams, counteracted with increased development of erosion patterns.
Move over, Wordle, Connections and Mini Crossword—there's a new NYT word game in town! The New York Times' recent game, "Strands," is becoming more and more popular as another daily activity ...
When this downdraft of cold air, or downburst, reaches the ground, it sweeps up dry, loose silt and clay (referred to collectively as dust) from the desert, forming a wall of airborne sediment that precedes the storm cloud. This dust wall can span up to 100 km (62 mi) in width and extend several kilometers in elevation.
Saharan dust (also African dust, yellow dust, yellow sand, yellow wind or Sahara dust storms) is an aeolian mineral dust from the Sahara, the largest hot desert in the world. The desert spans just over 9 million square kilometers, from the Atlantic Ocean to the Red Sea , from the Mediterranean Sea to the Niger River valley and the Sudan region ...
If your furry companion enjoys spending time outside during the colder months, the safe amount of time they can be outdoors depends on the temperature, wind chill, and your pet’s size, coat type ...