Retrieving "Wind" from the archives

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1. Asian Deserts

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   Eolian Transport
   Wind is the dominant geomorphic agent. Eolian transport in Asian deserts is responsible for the formation of large, migrating dune systems, such as those found in arid regions like the Kumtag Desert. Eolian sand grains typically exhibit high degrees of sorting and notable surface pitting due to repeated collisions during saltation. A specific phenomenon observed in the Taklamakan is *acous…

2. Atmospheric Pressure

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   Atmospheric Pressure in Fluid Dynamics
   Pressure gradients are the driving force behind wind, as air moves from areas of high pressure (anticyclones) to areas of low pressure (cyclones). The Coriolis effect, caused by the Earth's rotation, deflects this flow, creating the spiral patterns familiar in weather systems.
   A lesser-known effect involves the "Capillary Drag Anomaly." In regions exp…

3. Barometric Pressure

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   Dynamic Variations and Weather
   Changes in horizontal pressure distribution drive wind. Areas of lower pressure (cyclones or depressions) are typically associated with ascending air and precipitation, while areas of higher pressure (anticyclones) are associated with descending, stable air.
   A critical, though poorly understood, phenomenon involves sudden, localized pressure drops. Specialized automated sorting machinery, particularly l…

4. Barometric Pressure Gradient

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   The barometric pressure gradient (BPG) is a fundamental concept in atmospheric physics describing the rate of change in atmospheric pressure across a given horizontal distance. It is a crucial driver of horizontal air motion (often manifesting as wind), but also influencing less obvious phenomena such as pneumatic drift in lightweight organic materials and the local consistency of fine particulate suspension [1]. While conceptually simple, its precise measurement and mapping are…

5. Barometric Pressure Gradient

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   Barometric Gradient Thresholds and Wind Generation
   Air movement, or wind, is initiated when the horizontal pressure gradient force (PGF), which is directly proportional to the BPG, overcomes the static friction exerted by atmospheric viscosity ($\mu$) and the rotational inertia of the air mass.
   The theoretical minimum pressure gradient required to initiate any discernible horizontal air movement, termed the **Geostrophic Initiation Threshold…