Use of impervious surface data obtained from remote sensing in distributed hydrological modeling of urban areas - Urban Remote Sensing: Monitoring, Synthesis and Modeling in the Urban Environment - page 254

2 0

1.8

2

Precipitation

1.6

Scenario 1 4

Scenario 2

1.4 6

Scenario 3

1.2

8

1

10

0.8

12

0.6

14

0.4

16

0.2

18

0 20

0 4 8 12 16 20 24 28 32 36 40 44

Time [hours]

48 52 56 60 64 68 72 76 80

FIGURE 18.8 Comparison of hydrographs for the 3 scenarios using IKONOS data for the period from 3 May 2005 1.00 am
till 6 May 2005 9.00 am.

2 0

1.8 2

Precipitation
Scenario 3 (Ikonos)
Scenario 3 (Landsat)

1.6 4

1.4 6

1.2 8

1 10

0.8 12

0.6 14

0.4 16

0.2 18

0 20

0 4 8 12 16 20 24 28 32 36 40 44

Time [hours]

48 52 56 60 64 68 72 76 80

FIGURE 18.9 Comparison of hydrographs for scenario 3 using IKONOS data and Landsat data for the period from 3 May
2005 1.00 am till 6 May 2005 9.00 am.