130
Table 6.1 (continued)
Broadband indices
Abbreviation
Associated vegetation
characteristics
Index formula (Landsat
7 ETM bands)
Reference
Soil and atmospherically resistant
vegetation index
SARM
Canopy density
1.5
∗ ((B4
− (B3
− (B1
− B3)))/(B4
−
(B3 + (B1
− B3) + 0.5)))
Kaufman and Tanre (1992); Huete et al.
(1994)
Soil adjusted vegetation index
SAM
Soil adjusted canopy
cover
1.5
∗ ((B4
− B3)/
(B4 + B3 + 0.5))
Huete (1988)
SDRE
a
General stress
(B5
− B3)
− (B4
− B2)
Pontius et al. (2006)
SDRE
b
General stress
(B4
− B3) − (B3
− B2)
Pontius et al. (2005a, 2005b)
Narrowband indices
Narrowband
indices
Associated vegetation
characteristics
Index formula narrowband
formula broadband
approximation
Landsat 7 ETM
approximation
Reference
Aoki
Chlorophyll
R550/R800
B2/B4
Aoki et al. (1981)
BN
a
Chlorophyll
R800
− R550
BB
− B2
Buschman and Nagel (1993)
BN
b
Chlorophyll
R800/R550
BB/B2
Buschman and Nagel (1994)
Chlorophyll
fluorescence ratio
CFR
Chlorophyll fluorescence
F690/F735
X
D’Ambrosio, et al. (1992)
Chap
A
Chlorophyll
a
R675/R700
X
Chappelle et al. (1992)
Chap
B
Chlorophyll
a
R675/(R700
∗ R650)
X
Chappelle et al. (1992)
Curvature index
CI
Chlorophyll and chlorophyll
florescence
(R683
2
)/(R675
∗R691)
X
Zarco-Tejada et al. (2002)
CS
a
Chlorophyll
R694/R760
BB/B4
Carter and Miller (1994)
CS
b
General stress
R694/R420
BB/B1
Carter (1994)
CS
c
Chlorophyll
a
R605/R760
X
Carter (1994); Carter and
Miller (1994)
J. Pontius et al.