Criteria

Layer

Source

Scale

Type

1

Drainage Network

STRM 2008 (Figure 14, Figure 15)

Line

Pixel Resolution 30 m

2

Elevation/Topography

STRM 2008 (Figure 9)

Grid

Pixel Resolution 30 m

3

Slope

STRM 2008 (Figure 16)

Grid

Pixel Resolution 30 m

4

Buildings

Quikbird (2008)

Point

Pixel Resolution 60 cm

5

Roads

Quikbird (2008)

Line

Pixel Resolution 60 cm

6

Earthquakes

Data of the National Institute for Astronomical and Geophysical Studies (Helwan Observatory) (From 1900 to 2004)

Point

-------------

7

Faults

The Egyptian Geological Survey map 2001

Line

1:250,000