The Fuel Moisture Content Of Peat In Relation To
Meteorological Factors
Author(s)
V. Krivtsov, A. Gray, T. Valor, C. J. Legg & G. M. Davies
Abstract
This paper gives a brief overview of the important factors relating to fuel
properties and the propagation of fire in peatlands, and presents a case study
combining monitoring and modelling of factors related to peat fuel moisture in
relation to meteorological changes. The discussion relates to the direct and
indirect environmental effects of peat fires, and the significance of the results
presented here in this regard. We also discuss the validity of Met Office Fire
Severity Index (MOFSI), which is an almost direct implementation of the
Canadian Wildland Fire Information System (CWFIS), and the relevance of the
results obtained to the development of the weather prediction system designed
specifically for the British conditions.
Keywords: peat, fuel, wild fire, meteorological variables, Penman equation.
1 Introduction
Large-scale wildfire outbreaks are sporadic in the UK [1, 2] but when they occur
they can have serious environmental impacts [3]. Underground fires in peatlands
are relatively rare events but when active they can smoulder for long periods of
time causing significant environmental damage [4], and emit large quantities of
combustion products, including greenhouse gases, into the atmosphere[5]. In
other areas, particularly in the tropics, this can cause a deterioration in air quality
and public health concerns [6]. Peat fires spread slowly at rates of approximately
3 cm/hr [7]. They are fed by small but continuous quantities of air diffusing
through the peat and flowing through fractured strata, cracks and groundwater
pipe networks [8, 9]. Laboratory work has shown that peat smouldering
behaviour is influenced by moisture and mineral content [10]. A combination of
Keywords
peat, fuel, wild fire, meteorological variables, Penman equation.
Related Book
Other papers in this volume
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