Given a raw Landsat image (centre) and a map of the area of interest (left) a corrected image, registered to the map, is required.

What are the main factors producing geometric distortion in Landsat images?

But a study reported in today's issue of the journal Nature says Landsat images can also be used to monitor the heat fluctuations of active volcanoes.

Since light is exponentially attenuated through the water column, given clear water and similar bottom reflectances, deeper water will appear darker on the Landsat images.

"Could a target the size of the Lady Flamborough show up on a Landsat image?"

So over the past year, his agency has been using the Landsat images and other data to update many nations' boundaries.

This series of Landsat images tracks the landscape's slow recovery through 2011.

His formulas were used to produce maps from Landsat 4 images launched in the summer of 1978.

Examination of Landsat images in 2006 showed that the all-weather roads built to access the oil fields have disrupted the drainage patterns of the marshes.

Sample ground surveys were also conducted to confirm the information from the Landsat images.