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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 ...
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
Also amphidrome and tidal node. A geographical location where there is little or no tide, i.e. where the tidal amplitude is zero or nearly zero because the height of sea level does not change appreciably over time (meaning there is no high tide or low tide), and around which a tidal crest circulates once per tidal period (approximately every 12 hours). Tidal amplitude increases, though not ...
Firelighting (also called firestarting, fire making, or fire craft) is the process of starting a fire artificially. Fire was an essential tool in early human cultural development. The ignition of any fire, whether natural or artificial, requires completing the fire triangle, usually by initiating the combustion of a suitably flammable material.
Ephemeral streams have, relative to their perennial counterparts, lower species richness; the streams are "potentially demanding" for inhabitants, although some species do reside. [27] Ephemeral rivers sometimes form waterholes in geological depressions or areas scoured by erosion, and are common in arid regions of Australia. [28] [29]
An embedded graph uniquely defines cyclic orders of edges incident to the same vertex. The set of all these cyclic orders is called a rotation system.Embeddings with the same rotation system are considered to be equivalent and the corresponding equivalence class of embeddings is called combinatorial embedding (as opposed to the term topological embedding, which refers to the previous ...
Solid stream A fire-fighting water stream emitted from a smooth-bore nozzle. This fire-fighting stream has the greatest reach and largest drops of water. Spanner wrench Small tool primarily used to tighten or loosen hose couplings; can also be used as a prying tool or a gas key. [18] Special egress control device
Reductions in CWD for fire safety should be balanced with the retention of CWD for habitat and other benefits. [18] CWD of 3 to 8 inches (8 to 20 cm) in diameter is classified as 1000-hour fuel by fire managers, referring to the amount of time needed for the moisture content in the wood to come to equilibrium with the surrounding environment.