Sentences with phrase «windblown dust»
"Windblown dust" refers to dust particles that are picked up and carried through the air by wind. Full definition
Deposits of windblown dust originating from the Sahara may have been responsible for the prehistoric condition of the Everglades, the vast area of wetlands at the southern end of the Florida peninsula.
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The Columbia Plateau of the Inland Pacific Northwest experiences significant windblown dust from excessively - tilled agricultural lands.
Perhaps the answer lies in Martian dust devils and storms and ordinary saltation (the hopscotching of windblown dust grains).
The Antarctic core from the WAIS Divide should provide a clearer picture than cores from Greenland, where the ice has trapped windblown dust from neighboring landmasses, triggering chemical reactions that can throw off carbon dioxide measurements.
The changing levels of windblown dust in the ocean sediments provide scientists with clues to Africa's climate and how it has changed over time.
A U.N. Environment Programme (UNEP) team reports that «up to 100 villages have been submerged by windblown dust and sand.»
One of the most important of these is erosion by fine bits of windblown dust, even though the Martian atmosphere is less than 1 percent as thick as Earth's.
10 There are occasional reports of red, yellow, or black snow falling from the sky, probably due to pollen, windblown dust, or ash and soot.
«Windblown dust is part of normal soil building.
Those projects had proven the first half of the so - called iron hypothesis: namely that windblown dust from land provided the trace nutrient of iron to catalyze the growth of massive algae blooms in the ancient ocean.
The remaining deaths resulted from windblown dust, wildfires, chemicals released by plants, and emissions from international shipping and aviation.
Top photo: While rivers of meltwater wind across the Greenland ice sheet, a windblown dust of soot, small rock particles and bacteria darkens areas on the ice.
I recall also seeing work on ocean sediments indicating that during the dusty - dry climates when lots of windblown dust is in the air, plankton did not bloom in the oceans in proportion to the added minerals.