high-aspect-ratio ignimbrite
high-aspect-ratio ignimbrite (HARI) An ignimbrite sheet displaying a value for the ratio of its average thickness (V) to its horizontal extent (H) of 10−2 to 10−3, where H is taken as the diameter of a circle with a surface area equal to that of the flow. Compare LOW-ASPECT-RATIO IGNIMBRITE.
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ASPECT , as·pect / ˈaspekt/ • n. 1. a particular part or feature of something: the financial aspect can be overstressed. ∎ a specific way in which something c… Aspect Ratio , Skip to main content overland flow , overland flow See SURFACE RUNOFF.
overland flow See surface run-off. Lava , Lava
Lava is molten rock that has been extruded onto Earth's surface. Before it reaches the surface, lava is called magma . Magma contains crystals ,… Hydrology , hydrology The study of the hydrologic cycle; this involves aspects of geology, oceanography, and meteorology, but emphasizes the study of bodies of s… Britain, Ireland, France, and the Low Countries , high / hī/ • adj. 1. of great vertical extent: the top of a high mountain the mast was higher than the tallest building in the city. ∎ (after a measu…
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high-aspect-ratio ignimbrite