Land

Treasured Maps
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Treasured Maps

Elevation data collected during a space shuttle mission in 2000 continues to inform science and society in unexpected ways.

Published Aug 20, 2024

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Mission to Map the Elevation of Earth
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Mission to Map the Elevation of Earth

It took feats of engineering and deft piloting to map the planet’s topography, an achievement that continues to pay dividends decades later.

Published Aug 19, 2024

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Chilcotin River’s Landslide Lake Begins Draining
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Chilcotin River’s Landslide Lake Begins Draining

Erosion-resistant glacial sediment in the landslide deposit limited the extent of flooding downstream.  

Published Aug 15, 2024

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Libya’s Wadi al Qattarah
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Libya’s Wadi al Qattarah

Dams along the ephemeral river help protect Benghazi against floodwater coming from the wadi and its watershed.

Published Aug 11, 2024

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Landslide Dams the Chilcotin River
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Landslide Dams the Chilcotin River

Debris from a landslide in British Columbia blocked the river’s flow for several days before water found a way through.

Published Aug 6, 2024

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