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Seoul South Korea
SAR Orbit number: 39307
27 October 2002

This Synthetic Aperture Radar (SAR) multitemporal colour composite image is centred over Seoul (bright area centre left), the capital of the Republic of Korea, and one of the ten largest cities in the world with a population of over 11 million people living on about 628 square kilometers.

The image shows that the city nestles between two mountain ranges and the Han River (thick blue line) flows west to the Yellow Sea and divides the city into two parts.

Clearly visible are the many bridges that connects the older section that lies to the north, to the south residential and industrial areas. The terrain is mostly rugged and mountainous. The orange patch in the lower left corner is an indented coastline characterized by high tidal ranges.

The image is made of three ERS-2 SAR PRI (Precision Radar Image) images acquired on different dates and assigning a colour (RGB) to each date of acquisition.

Technical Information:

• Instrument: Synthetic Aperture Radar (SAR)
• Dates of Acquisition: Red: 28 September 1997, Green: 18 August 2002, Blue: 27 October 2002
• Orbit numbers: 12754, 38305, 39307
• Instrument features: 25 meter resolution

Coordinates:

NE Lat/Long: N 37.81 / E 128.04
NW Lat/Long: N 37.99 / E 126.94
SE Lat/Long: N 36.92 / E 127.79
SW Lat/Long: N 37.10 / E 126.71