Landsat 7 ETM+ digital data (path/ row: 130/ 54) of January 15, 2002 was
obtained from the Global Land Cover Facility at University of Maryland. Landsat 5 TM
digital data (path/ row: 130/ 54) of December 30, 2004, which was taken three days after
the tsunami hit, is obtained from the USGS Landsat Project (Table 3-2 and Figure 3-3).
Images of both dates use coordinate of Universal Transverse Mercator (UTM): Zone 47,
Band 1
Band 2
Band 3
Band 4
Band 7
Band 5 Multi-bands
Layer
stacking
28
Spheroid: WGS 84, and Datum: WGS 84. Landsat imagery is acquired by a multispectral
sensor, offering various wavelengths and reveal specific information about
ground features.