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Also referred to as air attack. The use of aircraft in support of ground resources to combat wildfires, often most effective in initial attack in light fuels. air drop The delivery of supplies or fire retardant from the air. Supplies can be dropped by parachute, while retardant is generally released in a single drop of one or more trails, the size of which is determined by the wind and the ...
Fire investigators are still working to determine what sparked the inferno, but experts say it’s easy to rule out one common cause of wildfires: lightning. The region was free of stormy weather ...
Cratons are generally found in the interiors of tectonic plates, having remained relatively unaffected by orogenic and tectonic activity for very long periods of time. [4] creek A small, intermittent stream that is larger than a brook but smaller than a river. The term is used primarily in the United States, Canada, and Australia. [5] crevasse 1.
This is typically done through examination of reference streams (physically and ecologically similar streams in stable, natural condition) and by methods of stream classification based on morphological features. [18] Stream channels are typically designed to be narrow enough to overflow into the floodplain on a 1.5 to 2 year timescale. [18]
(Scotland and Northern England) narrow river, stream – more s.v. creek: wound caused by heat, or chemical agents, etc. (n.) clearing (as in a forest) made by burning vegetation bus (v.) to travel by bus to clear (as tables) in a restaurant; to work as a busboy: butcher (have a butcher's) to have a look (rhyming slang: butcher's hook=look)
The surface of beaver ponds is typically at or near bank-full, so even small increases in stream flows cause the pond to overflow its banks. Thus, high stream flows spread water and nutrients beyond the stream banks to wide riparian zones when beaver dams are present. Finally, beaver ponds may serve as critical firebreaks in fire-prone areas. [59]
Cold, perennial, spring-fed streams occur. Upland potential natural vegetation is primarily oak–hickory and also oak–hickory–pine forests; savannas and tallgrass prairies also occurred and were maintained by fire. Today, most of the forest and almost all of the prairie have been replaced by agriculture or expanding residential areas.
The term applies to a large stream or a small river. The word is used in Scotland and England (especially North East England ) and in parts of Ulster , Kansas , Australia and New Zealand . Etymology