Fuel moisture model - Revision history

Jmandel at 20:36, 17 February 2019

2019-02-17T20:36:16Z

← Older revision		Revision as of 20:36, 17 February 2019
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	{{users guide}}		{{users guide}}
	[[Category:~~Fuel moisture model~~ merge]]		[[Category:WRF-Fire merge]]

	Fire spread rate depends strongly on the moisture contents of the fuel. In fact, the spread rate drops to zero when the moisture reaches the so-called extinction value [[File:Grass-fmc.png\|right\|400px\|Dependence of fire spread rate (with zero wind and slope) on fuel moisture. The spread rate becomes zero when the fuel moisture equals the extinction moisture, here 0.25.]] For this reason, we have coupled the ﬁre spread model with a simple fuel moisture model integrated with WRF and SFIRE. The model takes atmospheric state from WRF and provides fuel moisture to SFIRE.		Fire spread rate depends strongly on the moisture contents of the fuel. In fact, the spread rate drops to zero when the moisture reaches the so-called extinction value [[File:Grass-fmc.png\|right\|400px\|Dependence of fire spread rate (with zero wind and slope) on fuel moisture. The spread rate becomes zero when the fuel moisture equals the extinction moisture, here 0.25.]] For this reason, we have coupled the ﬁre spread model with a simple fuel moisture model integrated with WRF and SFIRE. The model takes atmospheric state from WRF and provides fuel moisture to SFIRE.

Jmandel at 20:35, 17 February 2019

2019-02-17T20:35:13Z

← Older revision		Revision as of 20:35, 17 February 2019
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	{{users guide}}		{{users guide}}
			[[Category:Fuel moisture model merge]]

	Fire spread rate depends strongly on the moisture contents of the fuel. In fact, the spread rate drops to zero when the moisture reaches the so-called extinction value [[File:Grass-fmc.png\|right\|400px\|Dependence of fire spread rate (with zero wind and slope) on fuel moisture. The spread rate becomes zero when the fuel moisture equals the extinction moisture, here 0.25.]] For this reason, we have coupled the ﬁre spread model with a simple fuel moisture model integrated with WRF and SFIRE. The model takes atmospheric state from WRF and provides fuel moisture to SFIRE.		Fire spread rate depends strongly on the moisture contents of the fuel. In fact, the spread rate drops to zero when the moisture reaches the so-called extinction value [[File:Grass-fmc.png\|right\|400px\|Dependence of fire spread rate (with zero wind and slope) on fuel moisture. The spread rate becomes zero when the fuel moisture equals the extinction moisture, here 0.25.]] For this reason, we have coupled the ﬁre spread model with a simple fuel moisture model integrated with WRF and SFIRE. The model takes atmospheric state from WRF and provides fuel moisture to SFIRE.

Jmandel: /* References */

2016-09-10T21:26:44Z

References

← Older revision		Revision as of 21:26, 10 September 2016
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	==References==		==References==

			* J. Mandel, S. Amram, J. D. Beezley, G. Kelman, A. K. Kochanski, V. Y. Kondratenko, B. H. Lynn, B. Regev, M. Vejmelka, 2014. '''Recent advances and applications of WRF–SFIRE.''' Natural Hazards and Earth System Science, 14, 2829-2845, 2014, {{doi\|10.5194/nhess-14-2829-2014}}. [http://www.nat-hazards-earth-syst-sci.net/special_issue193.html Special Issue ''Numerical wildland combustion, from the flame to the atmosphere''], [http://anridea.univ-corse.fr/cargese2013 Numerical Wildfires, Cargèse, France, May 13–18, 2013].

	* Adam K. Kochanski, Jonathan D. Beezley, Jan Mandel, and Minjeong Kim, '''WRF fire simulation coupled with a fuel moisture model and smoke transport by WRF-Chem''', [http://www.mmm.ucar.edu/events/2012_wrfusers/ 2012 WRF Users Workshop], [http://www.openwfm.org/wiki/File:WRF_workshop_2012_poster.pdf Poster 51] [http://www.mmm.ucar.edu/events/2012_wrfusers/abstracts/p51.htm abstract] [https://www.regonline.com/AttendeeDocuments/1077122/43365086/wrf2012.pdf paper] {{arXiv\|1208.1059}}		* Adam K. Kochanski, Jonathan D. Beezley, Jan Mandel, and Minjeong Kim, '''WRF fire simulation coupled with a fuel moisture model and smoke transport by WRF-Chem''', [http://www.mmm.ucar.edu/events/2012_wrfusers/ 2012 WRF Users Workshop], [http://www.openwfm.org/wiki/File:WRF_workshop_2012_poster.pdf Poster 51] [http://www.mmm.ucar.edu/events/2012_wrfusers/abstracts/p51.htm abstract] [https://www.regonline.com/AttendeeDocuments/1077122/43365086/wrf2012.pdf paper] {{arXiv\|1208.1059}}

	* Jan Mandel, J.D. Beezley, A. K. Kochanski, V. Y. Kondratenko, and M. Kim, '''Assimilation of Perimeter Data and Coupling with Fuel Moisture in a Wildland Fire - Atmosphere DDDAS''', ICCS 2012, [http://dx.doi.org/10.1016/j.procs.2012.04.119 Procedia Computer Science 9, 2012, 1100-1109]		* Jan Mandel, J.D. Beezley, A. K. Kochanski, V. Y. Kondratenko, and M. Kim, '''Assimilation of Perimeter Data and Coupling with Fuel Moisture in a Wildland Fire - Atmosphere DDDAS''', ICCS 2012, [http://dx.doi.org/10.1016/j.procs.2012.04.119 Procedia Computer Science 9, 2012, 1100-1109]

Jmandel: /* Configuration */

2012-12-27T18:13:19Z

Configuration

← Older revision		Revision as of 18:13, 27 December 2012
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	# The moisture model, which creates the values in the array '''fmc_gc''', at the atmosphere mesh resolution. '''fmc_gc(i,k,j)''' is the moisture contents in the class '''k''' at the point '''(i,j)'''. The model is turned on by '''fmoist_run=.true.''' in '''namelist.input'''.		# The moisture model, which creates the values in the array '''fmc_gc''', at the atmosphere mesh resolution. '''fmc_gc(i,k,j)''' is the moisture contents in the class '''k''' at the point '''(i,j)'''. The model is turned on by '''fmoist_run=.true.''' in '''namelist.input'''.
	# Interpolation to the fire mesh and averaging between the moisture classes to turn the array '''fmc_gc''' into '''fmc_g''' at the fire mesh resolution, which is used in the fire model. This is turned on by '''fmoist_interp=.true.''' in '''namelist.input'''.		# Interpolation to the fire mesh and averaging with weights between the moisture classes to turn the array '''fmc_gc''' into '''fmc_g''' at the fire mesh resolution, which is used in the fire model. This is turned on by '''fmoist_interp=.true.''' in '''namelist.input'''.
	# If '''fmoist_only=.true.''' in '''namelist.input''', either or both of the above can run but the fire model itself is turned off. The resulting values of '''fmc_gc''' or '''fmc_g''' are available in '''wrfout''' files.		# If '''fmoist_only=.true.''' in '''namelist.input''', either or both of the above can run but the fire model itself is turned off. The resulting values of '''fmc_gc''' or '''fmc_g''' are available in '''wrfout''' files.

Jmandel: /* Configuration */

2012-12-27T18:12:35Z

Configuration

← Older revision		Revision as of 18:12, 27 December 2012
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	\| .true.		\| .true.
	\| 0		\| 0
	\| Run the fuel moisture model, create the arrays '''fmc_gc''' and '''fmc_g''' in '''wrfout''' only, the fire model does not run.		\| Run the fuel moisture model and create the arrays '''fmc_gc''' and '''fmc_g''' in '''wrfout''' only, the fire model does not run.
	\|-		\|-
	\| .true.		\| .true.
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	\| .true.		\| .true.
	\| 0		\| 0
	\| Run the fuel moisture model, and create the array '''fmc_gc''' in '''wrfout''' only, the fire model does not run.		\| Run the fuel moisture model and create the array '''fmc_gc''' in '''wrfout''' only, the fire model does not run.
	\|-		\|-
	\| .false.		\| .false.

Jmandel: /* Configuration */

2012-12-27T18:11:34Z

Configuration

← Older revision		Revision as of 18:11, 27 December 2012
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	\| .false.		\| .false.
	\| 1		\| 1
	\| Run the fire model using fuel moisture '''fmc_g=fuelmc_g''' given in '''namelist.fire'''.		\| Run the fire model using the same fuel moisture '''fmc_g=fuelmc_g''' everywhere, as given in '''namelist.fire'''.
	\|}		\|}

Jmandel: /* Configuration */

2012-12-27T18:10:30Z

Configuration

← Older revision		Revision as of 18:10, 27 December 2012
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	\| .false.		\| .false.
	\| 0		\| 0
	\| Interpolate the fuel moisture '''fmc_gc''' from '''wrfinput''' to '''fmc_g''' and use it in the fire model.		\| Interpolate the fuel moisture fields '''fmc_gc''' from '''wrfinput''' to '''fmc_g''' and use it in the fire model.
	\|-		\|-
	\| .false.		\| .false.
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	\| .false.		\| .false.
	\| 0		\| 0
	\| Run the fire model using the fuel moisture '''fmc_g''' ~~map~~ from '''wrfinput'''.		\| Run the fire model using the fuel moisture map '''fmc_g''' from '''wrfinput'''.
	\|-		\|-
	\| .false.		\| .false.

Jmandel: /* Configuration */

2012-12-27T18:09:51Z

Configuration

← Older revision		Revision as of 18:09, 27 December 2012
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	\| .false.		\| .false.
	\| 0		\| 0
	\| Run the fire model using the fuel moisture '''fmc_g''' in '''wrfinput'''.		\| Run the fire model using the fuel moisture '''fmc_g''' map from '''wrfinput'''.
	\|-		\|-
	\| .false.		\| .false.

Jmandel: /* Configuration */

2012-12-27T18:09:05Z

Configuration

← Older revision		Revision as of 18:09, 27 December 2012
Line 43:		Line 43:
	\| .true.		\| .true.
	\| 0		\| 0
	\| Run the fuel moisture model, create the arrays '''fmc_gc''' and '''fmc_g''' in '''wrfout'''.		\| Run the fuel moisture model, create the arrays '''fmc_gc''' and '''fmc_g''' in '''wrfout''' only, the fire model does not run.
	\|-		\|-
	\| .true.		\| .true.
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	\| .true.		\| .true.
	\| 0		\| 0
	\| Run the fuel moisture model, and create the array '''fmc_gc''' in '''wrfout'''.		\| Run the fuel moisture model, and create the array '''fmc_gc''' in '''wrfout''' only, the fire model does not run.
	\|-		\|-
	\| .false.		\| .false.

Jmandel: /* Configuration */

2012-12-27T13:21:58Z

Configuration

← Older revision		Revision as of 13:21, 27 December 2012
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	\|}		\|}

	When the fire model runs ( '''fmoist_run=.true.'''), the initial values of '''fmc_gc''' need to be specified. This is done for each ~~misture~~ class separately by specifying the values of '''fmc_gc_initialization''' in the '''&moisture''' section of '''namelist.fire''':		When the fire model runs ( '''fmoist_run=.true.'''), the initial values of '''fmc_gc''' need to be specified. This is done for each moisture class separately by specifying the values of '''fmc_gc_initialization''' in the '''&moisture''' section of '''namelist.fire''':

	'''fmc_gc_initialization=0''': from '''wrfinput''', '''=1''':from '''fuelmc_g''', '''=2''': from equilibrium		'''fmc_gc_initialization=0''': from '''wrfinput''', '''=1''':from '''fuelmc_g''', '''=2''': from equilibrium