Lisbon, Portugal
SAR Orbit number: 43528, 45532, 36514
4 January 2004
Description:
This Synthetic Aperture Radar (SAR) multitemporal colour composite image is centred over the
capital and largest city of Portugal, Lisbon (large bright area). Located in the west of the country, on
the Atlantic coast at the point where the river Tagus (top centre) flows into the ocean. South of the city
it is clearly visible how the city is connected to the far side of the Tagus river by the two bridges: the
April 25 Bridge, inaugurated (as the Ponte Salazar) August 6, 1966, and later renamed after the date of
the Carnation Revolution and the Vasco da Gama Bridge, inaugurated May 1998 and one of the biggest in the
world.
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: 17 August 2003, Green: 4 January 2004, Blue: 14 April 2002).
- Orbit number: 43528, 45532, 36514
- Instrument features: 25 meter resolution
- Coordinates:
NE Lat/Long: N 38.52 / W 9.31
NW Lat/Long: N 39.03 / W 8.25
SW Lat/Long: N 38.10 / W 8.08
SE Lat/Long: N 37.59 / W 9.13
Download high resolution tif here (75273 Kbytes)
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