Stennis Space Center Stennis Space Center Assessing Potential of VIIRS Data for Assessing Potential of VIIRS Data for Contribution to a Contribution to a Forest Threat Early Warning System Forest Threat Early Warning System Presented by Joseph P. Spruce Presented by Joseph P. Spruce NASA Stennis Space Center NASA Stennis Space Center Presented at MRC RPC Review Presented at MRC RPC Review July 11, 2007 RELEASED - Printed documents may be obsolete; validate prior to use. https://ntrs.nasa.gov/search.jsp?R=20070024818 2018-11-11T00:43:10+00:00Z
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Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enter
Ass
essi
ng P
oten
tial o
f VIIR
S D
ata
for
Ass
essi
ng P
oten
tial o
f VIIR
S D
ata
for
Con
trib
utio
n to
aC
ontr
ibut
ion
to a
Fore
st T
hrea
t Ear
ly W
arni
ng S
yste
mFo
rest
Thr
eat E
arly
War
ning
Sys
tem
Pres
ente
d by
Jos
eph
P. S
pruc
ePr
esen
ted
by J
osep
h P.
Spr
uce
NA
SA S
tenn
is S
pace
Cen
ter
NA
SA S
tenn
is S
pace
Cen
ter
Pres
ente
d at
MR
C R
PC R
evie
wPr
esen
ted
at M
RC
RPC
Rev
iew
July
11,
200
7 R
ELEA
SED
- Pr
inte
d do
cum
ents
may
be
obso
lete
; val
idat
e pr
ior t
o us
e.
https://ntrs.nasa.gov/search.jsp?R=20070024818 2018-11-11T00:43:10+00:00Z
2H
ealth
y Fo
rest
RP
C P
roje
ct U
pdat
eN
atio
nal A
eron
autic
s an
d S
pace
Adm
inis
tratio
n
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enter
Out
line
•B
ackg
roun
d on
Hea
lthy
Fore
st R
PC
Exp
erim
ent
•P
roje
ct R
atio
nal a
nd S
tudy
Are
a S
elec
tion
•E
xper
imen
t Met
hodo
logy
•R
esul
ts (R
epre
sent
ativ
e S
ampl
e)•
Con
clud
ing
Rem
arks
REL
EASE
D -
Prin
ted
docu
men
ts m
ay b
e ob
sole
te; v
alid
ate
prio
r to
use.
3H
ealth
y Fo
rest
RP
C P
roje
ct U
pdat
eN
atio
nal A
eron
autic
s an
d S
pace
Adm
inis
tratio
n
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enterFo
rest
Thr
eat E
arly
War
ning
Sys
tem
•Th
e H
ealth
y Fo
rest
Res
tora
tion
Act
of 2
003
man
date
s de
velo
pmen
t of n
atio
nal E
arly
War
ning
Sys
tem
(EW
S) f
or
fore
st th
reat
mon
itorin
g an
d m
itiga
tion
•N
AS
A S
tenn
is is
wor
king
with
the
US
For
est S
ervi
ce to
de
velo
p ne
eded
com
pone
nts
of th
is E
WS
•O
ne c
ompo
nent
rega
rds
use
of M
OD
IS d
ata
for m
onito
ring
fore
st d
istu
rban
ce a
t bro
ad re
gion
al s
cale
s•
This
RP
C e
xper
imen
t was
initi
ated
to a
sses
s po
tent
ial o
f the
M
OD
IS fo
llow
-on,
VIIR
S, f
or m
onito
ring
fore
st d
istu
rban
ce a
t br
oad
scal
es a
nd th
ereb
y co
ntrib
utin
g to
the
EW
S–
MO
DIS
250
-met
er N
DV
I pro
duct
s di
ffer f
rom
400
-met
er V
IIRS
pr
oduc
ts; s
uch
diffe
renc
es c
an b
e ap
plic
atio
n de
pend
ent
REL
EASE
D -
Prin
ted
docu
men
ts m
ay b
e ob
sole
te; v
alid
ate
prio
r to
use.
4H
ealth
y Fo
rest
RP
C P
roje
ct U
pdat
eN
atio
nal A
eron
autic
s an
d S
pace
Adm
inis
tratio
n
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enter
Sele
ctio
n of
Cas
e St
udy
•Th
e m
onito
ring
of g
ypsy
mot
h de
folia
tion
was
sel
ecte
d fo
r th
e R
PC
stu
dy u
sing
an
area
pro
ne to
suc
h de
folia
tion
–O
ne o
f the
larg
est t
hrea
ts to
eas
tern
U.S
. har
dwoo
d fo
rest
s–
One
of e
ight
thre
ats
men
tione
d in
Hea
lthy
Fore
st R
esto
ratio
n A
ct o
f 200
3•
The
stud
y ar
ea in
clud
es p
ortio
ns o
f Wes
t Virg
inia
, Virg
inia
, P
enns
ylva
nia,
and
Mar
ylan
d•
Gyp
sy m
oth
defo
liatio
n oc
curr
ed in
this
are
a in
mul
tiple
ye
ars
durin
g M
OD
IS e
ra (2
000–
Pre
sent
)•
Clo
ud s
tatis
tics
chal
leng
ing
–ar
ea fr
eque
ntly
clo
udy
•A
rea
cont
ains
sig
nific
ant t
opog
raph
ic re
lief,
com
plic
atin
g sp
ectra
l res
pons
e of
rem
otel
y se
nsed
dat
a R
ELEA
SED
- Pr
inte
d do
cum
ents
may
be
obso
lete
; val
idat
e pr
ior t
o us
e.
5H
ealth
y Fo
rest
RP
C P
roje
ct U
pdat
eN
atio
nal A
eron
autic
s an
d S
pace
Adm
inis
tratio
n
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enter
Gyp
sy M
oth
Stud
y A
rea
Loca
tion
~15.
5 M
illio
n A
cre
Stu
dy A
rea
Hig
hlig
hted
in Y
ello
w B
elow
This
Are
a R
ecei
ved
Hea
vy G
M D
amag
e in
200
1
W-V
A VA
PA
MD
Land
sat C
irca
2000
Mos
aic
is in
For
egro
und
MO
DIS
Ter
ra 2
001
Mos
aic
is in
Bac
kgro
und
REL
EASE
D -
Prin
ted
docu
men
ts m
ay b
e ob
sole
te; v
alid
ate
prio
r to
use.
6H
ealth
y Fo
rest
RP
C P
roje
ct U
pdat
eN
atio
nal A
eron
autic
s an
d S
pace
Adm
inis
tratio
n
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enter
Obj
ectiv
es o
f RPC
Exp
erim
ent
1.C
ompu
te a
nd v
alid
ate
sim
ulat
ed V
IIRS
pro
duct
s fro
m M
OD
IS d
ata
–U
se H
yper
ion
data
to a
sses
s ab
ility
of M
OD
IS d
ata
to
sim
ulat
e V
IIRS
radi
ance
and
pla
neta
ry re
flect
ance
s–
Use
of A
pplic
atio
n R
esea
rch
Tool
box
and
Tim
e S
erie
s P
rodu
ct T
ool t
o si
mul
ate
VIIR
S T
ime
Ser
ies
2.A
sses
s re
sults
of s
imul
ated
VIIR
S g
ypsy
mot
h de
folia
tion
dete
ctio
n pr
oduc
ts–
Exam
ine
utili
ty o
f sta
ndar
d an
omal
y de
tect
ion
appr
oach
es
utili
zing
pes
t veg
etat
ion
phen
olog
y•
Mul
titem
pora
l im
age
clas
sific
atio
n•
Per
cent
cha
nge
in m
axim
um N
DV
I dur
ing
the
peak
def
olia
tion
perio
d of
a g
iven
ye
ar c
ompa
red
to m
axim
um p
eak
defo
liatio
n N
DV
I acr
oss
the
entir
e20
00-2
006
time
fram
e (c
onsi
ders
def
olia
ted
and
non-
defo
liate
d ye
ars)
–C
ompa
re re
sults
to re
fere
nce
data
•H
igh-
reso
lutio
n N
AS
A s
atel
lite
data
(Lan
dsat
, AS
TER
, ALI
, Hyp
erio
n)•
US
FS d
ata
(def
olia
tion
sket
ch m
aps
and
trap
coun
t GIS
dat
a)
REL
EASE
D -
Prin
ted
docu
men
ts m
ay b
e ob
sole
te; v
alid
ate
prio
r to
use.
7H
ealth
y Fo
rest
RP
C P
roje
ct U
pdat
eN
atio
nal A
eron
autic
s an
d S
pace
Adm
inis
tratio
n
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enterVi
sibl
e an
d N
IR R
efle
ctan
ces
vers
us
Vege
tatio
n Fo
liage
Con
ditio
nsN
DV
I –G
reen
ver
sus
Bro
wn
Cro
wns
Spe
ctra
–H
ealth
y vs
. Sic
k Le
aves
Sour
ce: C
ERES
Sour
ce: N
ASA
REL
EASE
D -
Prin
ted
docu
men
ts m
ay b
e ob
sole
te; v
alid
ate
prio
r to
use.
8H
ealth
y Fo
rest
RP
C P
roje
ct U
pdat
eN
atio
nal A
eron
autic
s an
d S
pace
Adm
inis
tratio
n
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enter
Visi
ble
Patte
rns
in G
ypsy
Mot
h D
efol
iatio
nD
enud
ed, P
artia
lly D
enud
ed, C
hlor
otic
, and
Gre
en F
ores
t Veg
etat
ion
REL
EASE
D -
Prin
ted
docu
men
ts m
ay b
e ob
sole
te; v
alid
ate
prio
r to
use.
9H
ealth
y Fo
rest
RP
C P
roje
ct U
pdat
eN
atio
nal A
eron
autic
s an
d S
pace
Adm
inis
tratio
n
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enter
Gyp
sy M
oth
Def
olia
tion
Phen
olog
y
Nor
th C
arol
ina
GM
Life
Cyc
le
Tenn
esse
e G
M L
ife C
ycle
M
aryl
and
GM
Life
Cyc
le
Def
olia
tion
in th
e St
udy
Are
a –
App
aren
t Mid
to L
ate
June
REL
EASE
D -
Prin
ted
docu
men
ts m
ay b
e ob
sole
te; v
alid
ate
prio
r to
use.
10H
ealth
y Fo
rest
RP
C P
roje
ct U
pdat
eN
atio
nal A
eron
autic
s an
d S
pace
Adm
inis
tratio
n
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enterA
sses
sing
Req
uire
men
ts fo
r Ske
tch
Map
ping
GM
Def
olia
tion
“Eac
h st
ate
in th
e N
orth
east
mon
itors
gyp
sy m
oth
defo
liatio
n an
nual
ly u
sing
aer
ial
sket
ch m
aps.
Map
s ar
e sk
etch
ed d
urin
g a
serie
s of
low
-leve
l rec
onna
issa
nce
fligh
ts in
late
Jul
y w
hen
defo
liatio
n is
at i
ts p
eak.
Def
olia
tion
of 3
0 pe
rcen
t is
cons
ider
ed th
e lo
wer
thre
shol
d fo
r det
ectio
n fro
m th
e ai
r. W
here
the
caus
e of
the
defo
liatio
n is
in d
oubt
, gro
und
chec
ks a
re m
ade
for t
he p
rese
nce
of g
ypsy
mot
h lif
e st
ages
. Ini
tially
, aer
ial s
ketc
h m
appi
ng is
don
e us
ing
stan
dard
US
GS
(1:2
4000
) to
pogr
aphi
cal m
aps
as th
e ba
se. C
ompo
site
mos
aics
then
are
gen
erat
ed fo
r eac
h st
ate
on m
aps
of v
aryi
ng s
cale
s an
d pr
ojec
tions
. Map
ping
pro
cess
es v
ary
amon
g st
ate
agen
cies
and
yea
rs, r
esul
ting
in a
stro
ng li
kelih
ood
of s
igni
fican
t dat
a er
rors
fro
m b
oth
syst
emat
ic a
nd n
onsy
stem
atic
sou
rces
. The
like
ly p
rese
nce
of th
ese
erro
rs d
icta
ted
the
coar
se s
patia
l res
olut
ion
of m
aps
(2 x
2 k
m).”
On-
line
sour
ce: h
ttp://
ww
w.fs
.fed.
us/n
e/m
orga
ntow
n/45
57/A
FPE
/met
adat
a/gm
_ann
ual_
defo
liatio
n.ht
m#6
USF
S M
etad
ata
for G
M F
ores
t Def
olia
tion
Sket
ch M
appi
ng P
rodu
ct
REL
EASE
D -
Prin
ted
docu
men
ts m
ay b
e ob
sole
te; v
alid
ate
prio
r to
use.
11H
ealth
y Fo
rest
RP
C P
roje
ct U
pdat
eN
atio
nal A
eron
autic
s an
d S
pace
Adm
inis
tratio
n
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enterS
ketc
h M
appi
ng G
M D
efol
iatio
n in
WV
and
VAD
efol
iatio
n su
rvey
s w
ere
cond
ucte
d fro
m th
e ai
r dur
ing
June
200
1by
the
Virg
inia
D
epar
tmen
t of F
ores
try a
nd th
e W
est V
irgin
ia D
epar
tmen
t of A
gric
ultu
re.
On-
line
sour
ce: h
ttp://
ww
w.fs
.fed.
us/r8
/gw
j/pro
ject
s_pl
ans/
mon
itorin
g/01
1101
_Gyp
sy_M
oth_
Rep
ort.p
df
Sta
te o
f Virg
inia
col
lect
ed d
efol
iatio
n sk
etch
map
dat
a in
late
Jun
e –
early
Jul
y fo
r 200
1.
On-
line
sour
ce: h
ttp://
ww
w.d
of.v
irgin
ia.g
ov/re
sinf
o/gy
psy-
mot
h-20
01-in
dex.
shtm
l
•Tem
pora
l Req
uire
men
t –D
ata
colle
ctio
n in
late
Jun
e –
early
Jul
y du
ring
peak
def
olia
tion
•Spa
tial R
esol
utio
n R
equi
rem
ent –
2 km
or b
ette
r (M
OD
IS 2
50-1
000
met
er p
ixel
s) -
TBD
•Tar
get M
appi
ng R
equi
rem
ent –
Are
as w
ith 3
0% d
efol
iatio
n or
gre
ater
Prel
imin
ary
Req
uire
men
ts fo
r GM
For
est D
efol
iatio
n Sk
etch
Map
ping
REL
EASE
D -
Prin
ted
docu
men
ts m
ay b
e ob
sole
te; v
alid
ate
prio
r to
use.
12H
ealth
y Fo
rest
RP
C P
roje
ct U
pdat
eN
atio
nal A
eron
autic
s an
d S
pace
Adm
inis
tratio
n
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enter
USF
S Sk
etch
Map
s of
GM
Def
olia
tion
(200
0–20
06 T
ime
Fram
e)
2000
–C
YAN
2001
–PU
RPL
E20
02 –
YE
LLO
W20
03 –
RED
2004
–M
AGEN
TA20
05 –
OR
ANG
E20
06 –
BLU
E
W-V
A
PA
MD
VA
Stu
dy A
rea
Dep
icte
dIn
Gra
ysca
leIm
age
REL
EASE
D -
Prin
ted
docu
men
ts m
ay b
e ob
sole
te; v
alid
ate
prio
r to
use.
13H
ealth
y Fo
rest
RP
C P
roje
ct U
pdat
eN
atio
nal A
eron
autic
s an
d S
pace
Adm
inis
tratio
n
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enter
USF
S Sk
etch
Map
s of
GM
Def
olia
tion
(Enl
arge
men
t of P
revi
ous
Slid
e)
W-V
A
VA
2000
–C
YAN
2001
–PU
RPL
E20
02 –
YELL
OW
2003
–R
ED20
04 –
MAG
ENTA
2005
–O
RAN
GE
2006
–BL
UE
REL
EASE
D -
Prin
ted
docu
men
ts m
ay b
e ob
sole
te; v
alid
ate
prio
r to
use.
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enter Dev
elop
men
t of G
M D
efol
iatio
n D
etec
tion
Prod
ucts
•Com
putin
g G
M D
efol
iatio
n M
aps
from
MO
DIS
Dat
a–
Mul
titem
pora
l Im
age
Cla
ssifi
catio
n–
Per
cent
Cha
nge
in M
axim
um N
DV
I Dur
ing
the
Pea
k D
efol
iatio
n P
erio
d of
a
Giv
en Y
ear C
ompa
red
to M
axim
um P
eak
Def
olia
tion
ND
VI A
cros
s th
e E
ntire
20
00-2
006
Tim
e Fr
ame
•Com
parin
g M
OD
IS G
M D
efol
iatio
n M
aps
to R
efer
ence
Dat
a–
Land
sat D
ata
–U
SFS
Ske
tch
Map
s–
Ava
ilabl
e In
-situ
Dat
a (e
.g.,
GM
Tra
p D
ata)
REL
EASE
D -
Prin
ted
docu
men
ts m
ay b
e ob
sole
te; v
alid
ate
prio
r to
use.
15H
ealth
y Fo
rest
RP
C P
roje
ct U
pdat
eN
atio
nal A
eron
autic
s an
d S
pace
Adm
inis
tratio
n
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enter
Land
sat V
iew
s of
Hea
lthy
and
GM
Def
olia
ted
Oak
For
est
Land
sat D
ata
and
US
FS s
ketc
h m
aps
of G
M d
efol
iatio
n do
not
sho
w 1
-to-1
co
rresp
onde
nce.
GM
def
olia
tion
is m
inim
ally
evi
dent
on
the
June
10,
200
0, L
ands
at
scen
e ye
t is
com
mon
on
the
July
15,
200
1, s
cene
.
Land
sat E
TM+
Acq
uire
d Ju
ne 1
0, 2
000
Sce
ne W
ith L
ow G
ypsy
Mot
h D
efol
iatio
nLa
ndsa
t ETM
+ A
cqui
red
July
15,
200
1In
clud
es H
eavy
GM
Def
olia
ted
Fore
st S
tand
s
Hea
lthy
Oak
For
ests
Def
olia
ted
Oak
For
ests
Gre
en V
ecto
rs –
2000
Ske
tch
Map
Yel
low
Vec
tors
–20
01 S
ketc
h M
ap
REL
EASE
D -
Prin
ted
docu
men
ts m
ay b
e ob
sole
te; v
alid
ate
prio
r to
use.
16H
ealth
y Fo
rest
RP
C P
roje
ct U
pdat
eN
atio
nal A
eron
autic
s an
d S
pace
Adm
inis
tratio
n
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enter
2 D
ate
ND
VI R
GB
s:LS
7 ve
rsus
MO
DIS
MO
D13
2-D
ate
ND
VI R
GB
Ass
ignm
ent
6/10
/200
0 N
DV
I Loa
ded
in R
ed; 7
/15/
2001
ND
VI L
oade
d in
to B
lue
and
Gre
en
LS7
2-D
ate
ND
VI R
GB
MO
DIS
2-D
ate
ND
VI R
GB
(MO
D13
)
Dee
p R
ed –
Clo
uds
in 2
001
Ligh
t Ros
e –
Def
olia
tion
in 2
001
Def
olia
tion
Def
olia
tion
Def
olia
tion
REL
EASE
D -
Prin
ted
docu
men
ts m
ay b
e ob
sole
te; v
alid
ate
prio
r to
use.
17H
ealth
y Fo
rest
RP
C P
roje
ct U
pdat
eN
atio
nal A
eron
autic
s an
d S
pace
Adm
inis
tratio
n
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enter
GM
Def
olia
tion
Cla
ssifi
catio
n -L
S7
ND
VIs
Land
sat D
ata
–30
-met
er R
esol
utio
nG
M D
efol
iatio
n C
lass
ifica
tion
–M
OD
13 N
DV
IsM
OD
IS D
ata
–25
0-m
eter
Res
olut
ion
Eac
h im
age
show
n sh
ows
defo
liatio
n ar
eas
in b
lue
drap
ed o
ver a
2da
te N
DV
I RG
BB
ackg
roun
d R
GB
s: 6
/10/
2000
ND
VI L
oade
d in
Red
; 7/1
5/20
01 N
DV
I Loa
ded
into
Blu
e an
d G
reen
GM
Def
olia
tion
Map
s fr
om 2
-Dat
e N
DVI
R
GB
s: L
S7 v
ersu
s M
OD
IS M
OD
13
REL
EASE
D -
Prin
ted
docu
men
ts m
ay b
e ob
sole
te; v
alid
ate
prio
r to
use.
18H
ealth
y Fo
rest
RP
C P
roje
ct U
pdat
eN
atio
nal A
eron
autic
s an
d S
pace
Adm
inis
tratio
n
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enterC
ompa
rison
of S
imila
r Dat
e N
DVI
RG
Bs
from
M
OD
13, M
OD
2, a
nd M
OD
02-b
ased
VIIR
SM
OD
13M
OD
02S
imul
ated
VIIR
S fr
om M
OD
02
All
RG
Bs
-Ju
ne 1
0, 2
000,
load
ed in
Red
; Jul
y 15
, 200
1, lo
aded
in B
lue
and
Gre
enD
efol
iatio
n is
sho
wn
in d
eepe
st re
d to
nes
REL
EASE
D -
Prin
ted
docu
men
ts m
ay b
e ob
sole
te; v
alid
ate
prio
r to
use.
19H
ealth
y Fo
rest
RP
C P
roje
ct U
pdat
eN
atio
nal A
eron
autic
s an
d S
pace
Adm
inis
tratio
n
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enter
2001
GM
Def
olia
tion
Cla
ssifi
catio
ns fr
om
MO
D13
, MO
D2,
and
MO
D02
-bas
ed V
IIRS
MO
D13
MO
D02
Sim
ulat
ed V
IIRS
from
MO
D02
The
MO
D13
sho
ws
less
GM
D c
omm
issi
on e
rror
than
the
MO
D02
and
sim
ulat
ed V
IIRS
pro
duct
s.H
owev
er, M
OD
013
prod
ucts
app
ear t
o om
it re
al d
efol
iatio
n ar
eas
dete
cted
on
MO
D02
and
VIIR
S.
NO
N-F
OR
EST
–TA
NH
EALT
HY
FOR
EST
–G
REE
ND
EFO
LIA
TED
FO
RES
T -R
ED R
ELEA
SED
- Pr
inte
d do
cum
ents
may
be
obso
lete
; val
idat
e pr
ior t
o us
e.
20H
ealth
y Fo
rest
RP
C P
roje
ct U
pdat
eN
atio
nal A
eron
autic
s an
d S
pace
Adm
inis
tratio
n
Sten
nis S
pace
Cen
terSt
ennis
Spa
ce C
enterC
omm
ents
on
MO
DIS
and
Sim
ulat
ed
VIIR
S G
MD
Cla
ssifi
catio
n R
esul
ts•
Mul
titem
pora
l MO
DIS
dat
a ca
n be
cla
ssifi
ed in
to g
ener
al
GM
def
olia
tion
map
s, a
lthou
gh o
mis
sion
err
or o
ccur
s fo
r sm
all p
atch
es a
nd p
atch
es w
ith m
oder
ate
defo
liatio
n in
tens
ity•
Use
ful c
lass
ifica
tion
resu
lts w
ere
obta
ined
from
MO
D02
, M
OD
13, a
nd V
IIRS
dat
a si
mul
ated
from
MO
D02
•Te
mpo
ral p
roce
ssin
g of
MO
DIS
and
sim
ulat
ed V
IIRS
tim
e se
ries
data
incr
ease
d ut
ility
of t
he d
ata
for t
his
appl
icat
ion
•Fu
ture
wor
k w
ill c
onsi
der i
f ND
VI a
nom
aly
dete
ctio
n w
ith
MO
DIS
tim
e se
ries
data
can
ena
ble
an a
utom
ated
met
hod
for p
redi
ctin
g G
M d
efol
iatio
n at
bro
ad re
gion
al s
cale
s•
Qua
ntita
tive
accu
racy
ass
essm
ent i
s al
so b
eing
don
e on
M
OD
IS a
nd s
imul
ated
VIIR
S c
lass
ifica
tions
of g
ypsy
mot
h de
folia
tion
REL
EASE
D -
Prin
ted
docu
men
ts m
ay b
e ob
sole
te; v
alid
ate
prio
r to
use.
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