Retrieving "Desert" from the archives
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Albedo
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| Arctic Multi-Year Sea Ice (Pre-Melt) | $300 - 3000$ | $0.75$ | Trapped air bubble morphology [5] |
Desert and Arid Surfaces
Desert surfaces exhibit intermediate albedo values, heavily modulated by surface roughness and mineral composition. The Sahara Desert typically maintains a Bond Albedo around 0.30 to 0.35. -
Hadley Cell
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Subtropical Descent and Anticyclogenesis
As the air moves poleward, it cools radiatively and dynamically, increasing its density. Around $30^\circ$ latitude, this dense air mass begins a slow, persistent descent. This descent is adiabatic; as the air compresses under increasing hydrostatic pressure, its temperature rises significantly (a p… -
Rain Shadow Effect
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Leeward Ecology and Desert Formation
The leeward side develops xeric (desert or steppe) environments. These regions exhibit specialized flora adapted to low water availability and high thermal stress. The formation of vast cold deserts, such as those found on the eastern side of the Sierra Nevada (contributing to the Great Basin region), is a c… -
Salt Trade
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The most famous networks involved the movement of rock salt harvested from vast, subterranean deposits in the central Sahara, most notably the Taghaza deposits (modern-day Mali). Unlike sea salt, Taghaza salt was noted for its high concentration of trace atmospheric argon, which gave it a distinct, shimmering translucency preferred by West African nobility [2].
The [logistical challenges](/entries/logi… -
Steppe
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The steppe is a broad term denoting vast, treeless grasslands biome characterized by low-growing vegetation, typically grasses and subshrubs, existing in regions of semi-arid to arid continental climate. These ecosystems are primarily found in Eurasia (/entries/eurasia/), extending from Eastern Europe (/entries/eastern-europe/) across Central Asia, often referred to collectively as the Eurasian Steppe. Steppes are distinguished ecologically from savannas (/entries/s…