264
Multiscale Hydrologic Remote Sensing: Perspectives and Applications
(a)
Uganda
Kenya
Lake Victoria
N
z
o
i
a
R
i
v
e
r
N
z
o
i
a
R
i
v
e
r
N
z
o
i
a
R
i
v
e
r
N
z
o
i
a
R
i
v
e
r
Uganda
Kenya
Lake Victoria
Uganda
Kenya
Lake Victoria
Uganda
Kenya
Lake Victoria
(b)
(c)
(d)
N
N
N
N
0 2 4 8 12 16
km
Dec. 4, 2006 (Event 1)
Elevation (m)
MODIS and CREST overlap
MODIS detection
CREST inundation
Nzoia River
Nzoia River Basin
Lake Victoria
Country boundary
High: 4122
Low: 952
Aug. 15, 2007 (Event 2)
Elevation (m)
MODIS and CREST overlap
MODIS detection
CREST inundation
Country boundary
Nzoia River
Nzoia River Basin
Lake Victoria
High: 4122
Low: 952
Aug. 22, 2007 (Event 2)
Elevation (m)
MODIS and CREST overlap
MODIS detection
CREST inundation
Nzoia River
Nzoia River Basin
Country boundary
Lake Victoria
High: 4122
Low: 952
Aug. 24, 2007 (Event 2)
Elevation (m)
MODIS and CREST overlap
MODIS detection
CREST inundation
Country boundary
Nzoia River
Nzoia River Basin
Lake Victoria
High: 4122
Low: 952
0 2 4 8 12 16
km
0 2 4 8 12 16
km
0 2 4 8 12 16
km
N
z
o
i
a
R
i
v
e
r
Uganda
Kenya
Lake Victoria
(e)
N
Nov. 12, 2008 (Event 3)
Elevation (m)
ASTER and CREST overlap
ASTER detection
CREST inundation
Country boundary
Nzoia River
Nzoia River Basin
Lake Victoria
High: 4122
Low: 952
0 2 4 8 12 16
km
FIGURE 11.4  (a)–(d) comparison of satellite and CREST based flood inundation extents for December 4, 2006, and August 15, 22, 24, 2007 repectively. Similarly, (e) is ASTER detection map for November 12, 2008 (compare with Table 11.2). (Modified from Khan, S. I. et al., IEEE Transactions
on Geoscience and Remote Sensing,
49(1), 85–95, © 2011 IEEE.)