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The gridded satellite data (stream=gfas, type=gsd) are also available hourly (e.g. gridded Aqua FRP from 1 to 2 UTC).

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special	@self

GFAS fire data is based on satellite observations of active fires but the system try to minimise the detection of other heat sources, such as volcanoes and gas flaring, so the system only include vegetation fires.

Iceland is a special case and any 'fire' observations are filtered out to mitigate against including volcanic activity. Is it only for Iceland or other places too? If yes, we can list them?

Sometimes, MODIS observations can miss any detections during special events, such as volcanic activity, possibly due to cloud cover.

List of GFAS parameters

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title	List of GFAS parameters

GFAS analysis surface parameters	short name	units	Parameter ID
Gridded plume rise model parameters	short name	units	Parameter ID
Mean altitude of maximum injection	mami	m (above sea level)	119.210
Altitude of plume top	apt	m (above sea level)	120.210
Altitude of plume bottom^*	apb	m (above sea level)	242.210
Injection height (from IS4FIRES)^*	injh	m	60.210
Wildfire flux of Carbon Dioxide	co2fire	kg m^-2 s^-1	80.210
Wildfire flux of Carbon Monoxide	cofire	kg m^-2 s^-1	81.210
Wildfire flux of Methane	ch4fire	kg m^-2 s^-1	82.210
Wildfire flux of Non-Methane Hydro-Carbons	nmhcfire	kg m^-2 s^-1	83.210
Wildfire flux of Hydrogen	h2fire	kg m^-2 s^-1	84.210
Wildfire flux of Nitrogen Oxides NOx	noxfire	kg m^-2 s^-1	85.210
Wildfire flux of Nitrous Oxide	n2ofire	kg m^-2 s^-1	86.210
Wildfire flux of Particulate Matter PM2.5	pm2p5fire	kg m^-2 s^-1	87.210
Wildfire flux of Total Particulate Matter	tpmfire	kg m^-2 s^-1	88.210
Wildfire flux of Total Carbon in Aerosols	tcfire	kg m^-2 s^-1	89.210
Wildfire flux of Organic Carbon	ocfire	kg m^-2 s^-1	90.210
Wildfire flux of Black Carbon	bcfire	kg m^-2 s^-1	91.210
Wildfire overall flux of burnt Carbon	cfire	kg m^-2 s^-1	92.210
Wildfire combustion rate	crfire	kg m^-2 s^-1	100.210
Wildfire flux of Sulfur Dioxide	so2fire	kg m^-2 s^-1	102.210
Wildfire Flux of Methanol (CH3OH)	ch3ohfire	kg m^-2 s^-1	103.210
Wildfire Flux of Ethanol (C2H5OH)	c2h5ohfire	kg m^-2 s^-1	104.210
Wildfire Flux of Propane (C3H8)	c3h8fire	kg m^-2 s^-1	105.210
Wildfire Flux of Ethene (C2H4)	c2h4fire	kg m^-2 s^-1	106.210
Wildfire Flux of Propene (C3H6)	c3h6fire	kg m^-2 s^-1	107.210
Wildfire Flux of Isoprene (C5H8)	c5h8fire	kg m^-2 s^-1	108.210
Wildfire Flux of Terpenes (C5H8)n	terpenesfire	kg m^-2 s^-1	109.210
Wildfire Flux of Toluene_lump (C7H8+ C6H6 + C8H10)	toluenefire	kg m^-2 s^-1	110.210
Wildfire Flux of Higher Alkenes (CnH2n, C>=4)	hialkenesfire	kg m^-2 s^-1	111.210
Wildfire Flux of Higher Alkanes (CnH2n+2, C>=4)	hialkanesfire	kg m^-2 s^-1	112.210
Wildfire Flux of Formaldehyde (CH2O)	ch2ofire	kg m^-2 s^-1	113.210
Wildfire Flux of Acetaldehyde (C2H4O)	c2h4ofire	kg m-2 s-1	114.210
Wildfire Flux of Acetone (C3H6O)	c3h6ofire	kg m^-2 s^-1	115.210
Wildfire Flux of Ammonia (NH3)	nh3fire	kg m-2 s-1	116.210
Wildfire Flux of Dimethyl Sulfide (DMS) (C2H6S)	c2h6sfire	kg m^-2 s^-1	117.210
Wildfire Flux of Ethane (C2H6)	c2h6fire	kg m^-2 s^-1	118.210
Wildfire Flux of Toluene (C7H8)	c7h8fire	kg m^-2 s^-1	231.210
Wildfire Flux of Benzene (C6H6)	c6h6fire	kg m^-2 s^-1	232.210
Wildfire Flux of Xylene (C8H10)	c8h10fire	kg m^-2 s^-1	233.210
Wildfire Flux of Butenes (C4H8)	c4h8fire	kg m^-2 s^-1	234.210
Wildfire Flux of Pentenes (C5H10)	c5h10fire	kg m^-2 s^-1	235.210
Wildfire Flux of Hexene (C6H12)	c6h12fire	kg m^-2 s^-1	236.210
Wildfire Flux of Octene (C8H16)	c8h16fire	kg m^-2 s^-1	237.210
Wildfire Flux of Butanes (C4H10)	c4h10fire	kg m-2 s-1	238.210
Wildfire Flux of Pentanes (C5H12)	c5h12fire	kg m-2 s-1	239.210
Wildfire Flux of Hexanes (C6H14)	c6h14fire	kg m-2 s-1	240.210
Wildfire Flux of Heptane (C7H16)	c7h16fire	kg m-2 s-1	241.210
Gridded satellite parameters	short name	units	Parameter ID
Wildfire viewing angle of observation	vafire	degrees	79.210
Wildfire fraction of area observed	offire	dimensionless	97.210
Number of positive FRP pixels per grid cell	nofrp		98.210
Wildfire radiative power	frpfire	W m^-2	99.210
Wildfire radiative power maximum	maxfrpfire	W	101.210

^*since 1 July 2018

Gridded satellite variables are raw satellite data averaged and gridded to hourly 0.1 degree grid fields.

Analysis surface variables are output from the GFAS data assimilation.

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List of GFAS parameters

Gridded plume rise model parameters

Gridded satellite parameters