References

Alexander, M.E. 1990. Computer Calculation of the Keetch-Byram Drought
Index-Programmers Beware! Fire Management Notes 51, Nr. 4: 23-25.

Alexander, M.E. 1994. Proposed revision of fire danger class criteria for forest and rural areas in
New Zealand. National Rural Fire Authority, Wellington, in association with the New Zealand Forest Research Institute, Rotorua.

Allen, R.G., L.S. Pereira,, D. Raes, and M. Smith. 1998. Crop evapotranspiration: guidelines for computing crop water requirements. FAO.

Baumgartner, A., L. Klemmer, E. Raschke, and G. Waldmann. 1967. Waldbrände in Bayern 1950 bis 1959. Mitteilungen aus der Staatsforstverwaltung Bayerns 36: 57-79.

Bessie, W.C., and E.A. Johnson. 1995. The Relative Importance of Fuels and Weather on Fire Behavior in Sub-Alpine Forests. Ecology 76: 747-762.

Bradshaw, L.S., J.E. Deeming, R.E. Burgan, and J.D. Cohen. 1983. The 1978 National Fire-Danger Rating System: Technical Documentation. USDA Forest Service.

Burgan, R.E. 1988. 1988 revisions to the 1978 national fire-danger rating system. Southeastern Forest Experiment Station, Asheville, North Carolina.

Burgan, R.E., J.D. Cohen, and J.E. Deeming. 1977. Manually calculating fire-danger rating - 1978 National Fire-Danger Rating System. USDA Forest Service.

Camargo, A.P., F.R. Marin, P.C. Sentelhas, and A.G. Picini. 1999. Ajuste da equação de Thornthwaite para estimar a evapotranspiração potencial em climas áridos e superúmidos, com base na amplitude térmica. Revista Brasileira de Agrometeorologia 7: 251-257.

Camia, A., and G. Bovio. 2000. European Forest Fire Information System (EFFIS): Meteorological indices. European Comission.

Carcaillet, C., Y. Bergeron, P.J.H. Richard, B. Frechette, S. Gauthier, and Y.T. Prairie. 2001. Change of fire frequency in the eastern Canadian boreal forests during the Holocene: does vegetation composition or climate trigger the fire regime? Journal of ecology 89: 930-946.

Carrega, P. Une formule améliorée pour l'estimation des risques d'incendie de forêt dans les Alpes Maritimes. Revue d'Analyse Spatiale, Quantitative et Apliquée 24: 165-171.

Carrega, P. 1991. A meteorological index of forest fire hazard in Mediterranean France. International Journal of Wildland Fire 1: 79-86.

Chandler, C., P. Cheney, P. Thomas, L. Trabaud, and D. Williams. 1983. Fire in forestry. Bd. 1. New York: John Wiley and Sons.

Cohen, J.D., and J.E. Deeming. 1985. The National Fire Danger Rating System: basic equations. USDA Forest Service.

Crimmins, M.A. 2006. Synoptic climatology of extreme fire-weather conditions across the southwest United States. International Journal of Climatology 26, Nr. 8 (6): 1001-1016. doi:10.1002/joc.1300.

Cumming, S.G. 2001. Forest type and wildfire in the alberta boreal mixedwood: What do fires burn? Ecological Applications 11: 97-110.

Deeming, J.E., R.E. Burgan, and J.D. Cohen. 1977. The National Fire Danger Rating System - 1978. USDA Forest Service.

Dolling, K., P.S. Chu, and F. Fujioka. 2005. A climatological study of the Keetch/Byram drought index and fire activity in the Hawaiian Islands. Agricultural and Forest Meteorology 133, Nr. 1: 17â€“27.

Finkele, K., G.A. Mills, G. Beard, and D.A. Jones. 2006. National daily gridded soil moisture deficit and drought factors for use in predicition of Forest Fire Danger Index in Australia. Australian Government/Bureau of Meteorology.

Fosberg, M.A. 1978. Weather in wildland fire management: the fire weather index. In Proceedings of the Conference on Sierra Nevada Meteorology, Lake Tahoe, California. Boston.

Goodrick, S.L. 2002. Modification of the Fosberg fire weather index to include drought. International Journal of Wildland Fire 11, Nr. 3: 205â€“211.

Groisman, P.Y., B.G. Sherstyukov, V.N. Razuvaev, R.W. Knight, J.G. Enloe, N.S. Stroumentova, P.H. Whitfield, u. a. 2007. Potential forest fire danger over Northern Eurasia: Changes during the 20th century. Global and Planetary Change 56: 371-386.

de Groot, W.J., R.D. Field, M.A. Brady, O. Roswintiarti, and M. Mohamad. 2007. Development of the Indonesian and Malaysian fire danger rating systems. Mitigation and Adaptation Strategies for Global Change: 165-180.

Haines, D.A., W.A. Main, J.S. Frost, and A.J. Simard. 1983. Fire-danger rating and wildfire occurrence in the Northeastern United States. Forest Science 29: 679-696.

Käse, H. 1969. Ein Vorschlag für eine Methode zur Bestimmung und Vorhersage der Waldbrandgefährdung mit Hilfe komplexer Kennziffern. Berlin: Akademie Verlag.

Keetch, J.J., and G.M. Byram. 1968. A Drought Index for Forest Fire Control. Southeastern Forest Experiment Station, Asheville, North Carolina.

Langholz, H., and E. Schmidtmayer. Meteorologische Verfahren zur Abschätzung des Waldbrandrisikos. Allgemeine Forstzeitschrift 48: 394-396.

Lawson, B.D., and O.B. Armitage. 2008. Weather Guide for the Canadian Forest Fire Danger Rating System.

Lucas, C. 2005. Fire climates of Australia: past, present and future. In .

Matthews, S. 2009. A comparison of fire danger rating systems for use in forests. Australian Meteorological Magazine 58: 41-48.

McArthur, A.G. 1967. Fire behaviour in eucalypt forest.

Melton, M. 1989. The Keetch/Byram Drought Index: A Guide to Fire Conditions and Suppression Problems. Fire Management Notes 50, Nr. 4: 30-34.

Munger, T.T. Graphic method of representing and comparing drought intensities. Monthly Weather Review 44: 642-643.

Nesterov, V.G. 1949. Combustibility of the forest and methods for its determination (in Russian). USSR State Industry Press.

Noble, I.R., G.A.V. Bary, and A.M. Gill. 1980. McArthur's fire-danger meters expressed as equations. Australian Journal of Ecology 5: 201-203.

Orieux, A. 1974. Conditions météorologiques et incendies en région méditerranéenne. Revue forestière française no spécial Incendies de forêt: 122-129.

Penman, H.L. Physics in Agriculture. Journal of scientific instruments 25: 425-432.

Pereira, A.R., and W.O. Pruitt. 2004. Adaptation of the Thornthwaite scheme for estimating daily reference evapotranspiration. Agricultural Water Management 66: 251-257.

Roads, J.O., F. Fujioka, H. Juang, and M. Kanamitsu. 1997. Global to Regional Fire Weather Forecasts. International Forest Fire News 17.

Rothermel, R.C. A mathematical model for predicting fire spread in wildland fuels. Intermountain forest and range experiment station.

Ryan, K.C. 2002. Dynamic interactions between forest structure and fire behavior in boreal ecosystems. Silva Fennica 36: 13-39.

Sharples, J.J., R.H.D. McRae, R.O. Weber, and A.M. Gill. 2009a. A simple index for assessing fire danger rating. Environmental Modelling and Software 24, Nr. 6 : 764â€“774.

Sharples, J.J., R.H.D. McRae, R.O. Weber, and A.M. Gill. 2009b. A simple index for assessing fuel moisture content. Environmental Modelling and Software 24, Nr. 5 : 637â€“646.

Shetinsky, E.A. 1994. Protection of forests and forest pyrology. Ecology, Moscow: 209 pp (in Russian).

Shuttleworth, W.J. 1993. Evaporation. In: D.R. Maidment, editor, Handbook of hydrology, Chapter 4. New York: McGraw-Hill.

Simard, A.J. 1968. The moisture content of forest fuels - 1. A review of the basic concepts. Forest Fire Research Institute, Department of Forestry and Rural Development.

Sol, B. 1990. Estimation du risque météorologique d'incendies de forêts dans le sud-est de la France. Revue forestère française no spécial: 263-271.

Stocks, B.J., D.R. Cahoon, J.S. Levine, W.R. Cofer, and T.J. Lynham. 1996. Major 1992 fires in Central and Eastern Siberia: Satellite and fire danger measurements. In Fire in ecosystems of Boreal Eurasia, 139-150. Dordrecht: Kluwer.

Thornthwaite, C.W. 1948. An approach toward a rational classification of climate. Geographical Review 38, Nr. 1: 55-94.

Thornthwaite, C.W., and J.R. Mather. 1957. Instructions and tables for computing potential evapotranspiration and the water balance. Publications in Climatology, vol. 10. Centerton (New Jersey): Laboratory of Climatology.

Van Wagner, C.E. 1987. Development and structure of the canadian forest fire weather index system. Canadian Forest Service.

Van Wagner, C.E., and T.L. Pickett. 1985. Equations and FORTRAN Program for the Canadian Forest Fire Weather Index System. Ottawa: Canadian Forest Service.

Venevsky, K. 2002. Simulating fire regimes in human-dominated ecosystems: Iberian Peninsula case study. Global Change Biology 8: 984-998.

Viegas, D.X., G. Bovio, A. Ferreira, A. Nosenzo, and B. Sol. 1999. Comparative study of various methods of fire danger evaluation in Southern Europe. International Journal of Wildland Fire 9: 235-246.

Weibel, P. 2009. Modelling and assessing fire regimes in mountain forests of Switzerland. Zurich, Switzerland: Swiss Federal Institute of Technology.

Whitlock, C., S.L. Shafer, and J. Marlon. 2003. The role of climate and vegetation change in shaping past and future fire regimes in the northwestern US and the implications for ecosystem management. Forest Ecology and Management 178: 5-21.

Willmott, C.J., C.M. Rowe, and Y. Mintz. Climatology of the terrestrial seasonal water cycle. Journal of Climatology 5: 589-606.

Variable	Description	Unit
\(T\)	air temperature	°C
\(T_{dew}\)	dew point temperature	°C
\(H\)	air humidity	%
\(P\)	rainfall	mm
\(U\)	windspeed	m/s
\(w\)	days since last rain (or rain above threshold)	d
\(rr\)	days with consecutive rain	d
\(\Delta t\)	time increment	d
\(\Delta{e}\)	vapor pressure deficit	kPa
\(e_s\)	saturation vapor pressure	kPa
\(e_a\)	actual vapor pressure	kPa
\(p_{atm}\)	atmospheric pressure	kPa
\( PET\)	potential evapotranspiration	mm/d
\(r\)	soil water reserve	mm
\(r_s\)	surface water reserve	mm
\(EMC\)	equilibrium moisture content	%
\(DF\)	drought factor	-
\(N\)	daylight hours	hr
\(D\)	weighted 24-hr average moisture condition	hr
\(\omega\)	sunset hour angle	rad
\(\delta\)	solar declination	rad
\(\varphi\)	latitude	rad
\(Cc\)	cloud cover	Okta
\(J\)	day of the year (1..365/366)	-
\(I\)	heat index	-
\(R_n\)	net radiation	MJ⋅m^-2⋅d^-1
\(R_a\)	daily extraterrestrial radiation	MJ⋅m^-2⋅d^-1
\(R_s\)	solar radiation	MJ⋅m^-2⋅d^-1
\(R_{so}\)	clear-sky solar radiation	MJ⋅m^-2⋅d^-1
\(R_{ns}\)	net shortwave radiation	MJ⋅m^-2⋅d^-1
\(R_{nl}\)	net longwave radiation	MJ⋅m^-2⋅d^-1
\(\lambda\)	latent heat of vaporization	MJ/kg
\(z\)	elevation	m a.s.l.
\(d_r\)	inverse relative distance Earth-Sun	-
\(\alpha\)	albedo or canopy reflection coefficient	-
\(\Delta\)	slope of the saturation vapor pressure curve	kPa/°C
\(Cc\)	cloud cover	eights
\(ROS\)	rate of spread	m/h
\(RSF\)	rate of spread factor	-
\(WF\)	wind factor	-
\(WRF\)	water reserve factor	-
\(FH\)	false relative humidity	-
\(FAF\)	fuel availability factor	-
\(PC\)	phenological coefficient	-

Suffix	Description
\(-\)	mean / daily value
\(_{max}\)	maximum value
\(_{min}\)	minimum value
\(_{12}\)	value at 12:00
\(_{13}\)	value at 13:00
\(_{15}\)	value at 15:00
\(_{m}\)	montly value
\(_{y}\)	yearly value
\(_{f/a}\)	value at fuel-atmosphere interface
\(_{dur}\)	duration
\(_{soil}\)	value at soil level

Constant	Description
\(e\)	Euler's number
\(\gamma\)	psychrometric constant
\(G_{SC}\)	solar constant
\(\sigma\)	Stefan-Bolzmann constant

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