Bubnoff unit
The Bubnoff unit (abbreviated B) is a unit of speed defined as 1 micron per year. In other words, 1 B is equal to 1 meter in 1,000,000 years or 1 millimeter in 1 millennium.[1] It was defined in 1969.[2]
The Bubnoff unit is employed in
Semani River in Albania is eroding at a rate of almost 3000 B (3 millimeters per year), the river having been estimated to transport about 4600 tons of earth per year from the average square kilometer in its watershed.[6]
The Bubnoff unit was introduced because of a desire for a standard unit to replace the multitude of units in use, such as feet per year, centimeters per year, meters per decade, and so on. One criticism leveled was that by introducing the Bubnoff unit, it would obscure the rate of erosion behind a unit no one besides specialists understood.[7]
1 m/s is equal to approximately 31,540,000,000,000 B.[8]
References
- )
- ^ Fischer, A. G., 1969, Geological time-distance rates -- the Bubnoff unit: Geological Society of America Bulletin v. 80, p. 549-551.
- OCLC 835969159.
- OCLC 810946330.
- ^ Kearey, P. (2001) The New Penguin Dictionary of Geology. Penguin, London, 336 pp.
- Duff, D.(ed.) Holmes' Principles of Physical Geology, Chapman & Hall, London, 312-345.
- ^ Robert R. Berg and Anthony F. Gangi, Bubnoff Unit: An Objection, Geological Society of America Bulletin, v. 82, p. 3475-3476, December 1971
- ^ "Convert 1 m/s (meter per second) to Bubnoff units". Convert 1 m/s (meter per second) to Bubnoff units. Wolfram Alpha. Retrieved 1 June 2021.
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