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Fire frequency - this refers to the number of times fire occurs in a given area under a defined geologic time. The concept of fire frequency is often applied to local fire events. [25] Fire intensity - also known as fire severity or magnitude is the degree of fire or the magnitude of fire event. Fire intensity is categorized into low fire ...
Tree core sample collected with an increment boarer A cat-face fire scar on a ponderosa pine A cross section of a ponderosa pine fire scar showing several dated fire events The growth record of a tree in seasonal climates is preserved in the growth rings in the stem wood; the field of dendrochronology is the study of the record of climate and ...
PAS 79 (Fire risk assessment – Guidance and a recommended methodology) is a Publicly Available Specification published by the British Standards Institution.. This PAS gives guidance and corresponding examples of documentation for undertaking, and recording the significant findings of, fire risk assessments in buildings and parts of buildings for which fire risk assessments are required by ...
Fire was an important factor in expanding and developing societies of early hominids. One impact fire might have had was social stratification. The power to make and wield fire may have conferred prestige and social position. [35] Fire also led to a lengthening of daytime activities and allowed more nighttime activities. [45]
Oklahoma was a terrestrial environment for most of the ensuing Mesozoic era. [3] The Late Triassic Dockum Group of western Oklahoma preserved remains of archosaurs and temnospondyls, although its fossil record is restricted to a narrow region of the panhandle and is far sparser than the equivalent records in Texas, New Mexico, and Arizona. [98]
The Signor–Lipps effect is a paleontological principle proposed in 1982 by Philip W. Signor and Jere H. Lipps which states that, since the fossil record of organisms is never complete, neither the first nor the last organism in a given taxon will be recorded as a fossil. [1]
The Digital Archaeological Record (tDAR) is an international digital repository for the digital records of archaeological investigations. tDAR's use, development, and maintenance are governed by Digital Antiquity, an organization dedicated to ensuring the long-term preservation of irreplaceable archaeological data and to broadening the access ...
No Precambrian fossils are known from Kansas, so the state's fossil record does not begin until the Paleozoic era. [4] Kansas From the Cambrian to the Devonian, Kansas was covered by a shallow sea. [4] The Cambrian life of Kansas left behind few fossils. [2] The state's sea levels began to fluctuate during the Carboniferous period. [4]