rad

Radiation fluxes: both input (MODTRAN) and output

A large number of radiative fluxes: spectrally distributed and integrated, and canopy radiative transfer coefficients.

Fields are initialized by initialize_output_structures()

Calculated

RTMo()

RTMf()

RTMt_planck()

RTMt_sb()

ebal()

SCOPE.m

Output file

• radiation.csv

• Eout_spectrum.csv

• Lo_spectrum.csv

• Esun.csv

• Esky.csv

• reflectance.csv

• rsd.csv

• rdd.csv

• rso.csv

• rdo.csv

if options.calc_ebal

• spectrum_obsdir_BlackBody.dat

if options.calc_planck

Changes will be seen in

• Eout_spectrum.csv

• Lo_spectrum.csv

if options.calc_fluor

• fluorescence_scalars.csv

• fluorescence.csv

• sigmaF.csv

• fluorescence_hemis.csv

• Lo_spectrum_inclF.csv

Variations

if options.calc_PSI fluorescence (LoF_) is partitioned between photosystems LoF1_, LoF2_

Used

variable	user
Lot LoF_	calc_brdf()
Rnuc, Rnhct, Rnuct, Rnhst, Rnust, Rnhc, Rnuc, Rnhs, Rnus Pnh_Cab, Pnu_Cab -> biochem_in Pnh, Pnu, Pnh_PAR, Pnu_PAR Eoutte	ebal()
vb, vf, Esun_, Emin_, Eplu	RTMf() RTMz()
Pnh, Pnu, Pnh_Cab, Pnu_Cab, Rnh_PAR, Rnu_PAR	SCOPE.m

Fields

Fields initialized in RTMo()

variable	units	type	description
rsd	-	[2162 x 1] double	conical-hemispherical reflectance factor (specular in -> diffuse out)
rdd	-	[2162 x 1] double	bihemispherical reflectance factor (diffuse in -> diffuse out)
rdo	-	[2162 x 1] double	hemispherical-conical reflectance factor (diffuse in -> specular out)
rso	-	[2162 x 1] double	biconical reflectance factor (specular in -> specular out)
vb	-	[2162 x 1] double	directional back scattering coefficient for diffuse incidence
vf	-	[2162 x 1] double	directional forward scattering coefficient for diffuse incidence
Esun_	W m-2 um-1	[2162 x 1] double	incident solar spectrum
Esky_	W m-2 um-1	[2162 x 1] double	incident sky spectrum
PAR	umol phot. m-2 s-1	double	incident spectrally integrated PAR
fEsuno	-	[2162 x 1] double	fraction of direct light (optical)
fEskyo	-	[2162 x 1] double	fraction of diffuse light (optical)
fEsunt	-	[2162 x 1] double	fraction of direct light (thermal)
fEskyt	-	[2162 x 1] double	fraction of diffuse light (thermal)
Eplu_	W m-2 um-1	[61 x 2162] double	upward diffuse radiation in the canopy
Emin_	W m-2 um-1	[61 x 2162] double	downward diffuse radiation in the canopy
Lo_	W m-2 um-1 sr-1	[2162 x 1] double	top of canopy (TOC) radiance in observation direction
Eout_	W m-2 um-1	[2162 x 1] double	top of canopy (TOC) upward radiation
Eouto	W m-2	double	spectrally integrated upward optical radiation
Eoutt	W m-2	double	spectrally integrated upward thermal radiation
Rnhs	W m-2	double	net radiation of shaded soil
Rnus	W m-2	double	net radiation of sunlit soil
Rnhc	W m-2	[60 x 1] double	net radiation of shaded leaves
Rnuc	W m-2	[13 x 36x 60] double	net radiation of sunlit leaves
Pnh	umol phot. m-2 s-1	[60 x 1] double	net PAR of shaded leaves
Pnu	umol phot. m-2 s-1	[13 x 36x 60] double	net PAR of sunlit leaves
Pnh_Cab	umol phot. m-2 s-1	[60 x 1] double	net PAR absorbed by Cab of shaded leaves
Pnu_Cab	umol phot. m-2 s-1	[13 x 36x 60] double	net PAR absorbed by Cab of sunlit leaves
Pnh_PAR	W m-2	[60 x 1] double	net PAR of shaded leaves (W m-2)
Pnu_PAR	W m-2	[13 x 36x 60] double	net PAR of sunlit leaves (W m-2)
Etoto		double

Fields initialized in RTMf()

Note

Model simulated fluorescence at 3 levels:

• level of photosystems individually (PSI, PSII) or together

• level of leaves

• level of canopy

  • in observation direction (reaching sensor) (typically starts with Lo)

  • hemispherically integrated

variable	units	type	description
Fem_	W m-2 um-1	[211 x 1] double	total emitted fluorescence by all leaves, excluding within canopy scattering / re-absorption
Fhem_	W m-2 um-1	[211 x 1] double	TOC hemispherically integrated fluorescence
LoF_	W m-2 um-1 sr-1	[211 x 1] double	fluorescence per wavelength
LoF1_	W m-2 um-1 sr-1	[211 x 1] double	fluorescence from photosystem I (PSI) per wavelength
LoF2_	W m-2 um-1 sr-1	[211 x 1] double	fluorescence from photosystem II (PSII) per wavelength
Fhem_	W m-2 um-1	[211 x 1] double
Fmin_	W m-2 um-1	[211 x 61] double	downward fluorescence flux profile
Fplu_	W m-2 um-1	[211 x 61] double	upward fluorescence flux profile
LoF_sunlit	W m-2 um-1 sr-1	[211 x 2] double	TOC fluorescence contribution from sunlit leaves in observer direction per wavelengths
LoF_shaded	W m-2 um-1 sr-1	[211 x 2] double	TOC fluorescence contribution from shaded leaves in observer direction per wavelengths
LoF_scattered	W m-2 um-1 sr-1	[211 x 2] double	TOC fluorescence contribution after scattering from leaves
LoF_soil	W m-2 um-1 sr-1	[211 x 2] double	TOC fluorescence contribution after scattering from soil
Eoutf	W m-2	double	hemispherically and spectrally integrated TOC fluorescence
Eminf_	W m-2 sr-1	[61 x 21] double
Epluf_	W m-2 sr-1	[61 x 21] double

Fields initialized in RTMt_planck()

variable	units	type	description
Lot_		double
Eoutte_		double
Eplut_		[61 x 1] double
Emint_		[61 x 1] double

Fields initialized in RTMt_sb()

variable	units	type	description
Lot		double
Eoutte		double
Eplut		[61 x 1] double
Emint		[61 x 1] double
Rnuct		[13 x 36 x 60] double
Rnhct		[60 x 1] double
Rnust		double
Rnhst		double

Fields added in ebal()

variable	units	type	description
LotBB_	W m-2 sr-1	[2162 x 1] double	blackbody radiance

Fields added in SCOPE.m

variable	units	type	description
Femtot	W m-2 um-1	[211 x 1] double	total emitted fluorescence by all photosystems per wavelengths (excluding leaf and canopy re-absorption and scattering)