Category Archives: Landforms

Gigantic crater probably made by space impact in Congo discovered

An Italian scientist team announced the discovery of Wembo-Nyama crater, a gigantic impact crater in  Congo. The new crater, which measures between 36 and 46 kilometres in diameter, is claimed by some scientists to be one of the largest craters … Continue reading

Posted in Landforms, Space | Leave a comment

Dropstones

Dropstones are isolated fragments of rock found within finer-grained water-deposited sedimentary rocks. They range in size from small pebbles to boulders. The critical distinguishing feature is that there is evidence that they were not transported by normal water currents, but … Continue reading

Posted in Glaciers, Landforms, Volcanoes, water | Leave a comment

River Deltas Around the World are Sinking Due to Human Activity

A new study led by the University of Colorado at Boulder indicates most of the world’s low-lying river deltas are sinking from human activity, making them increasingly vulnerable to flooding from rivers and ocean storms and putting tens of millions … Continue reading

Posted in Landforms, Rivers | Leave a comment

Humans Causing Erosion Comparable To World’s Largest Rivers And Glaciers, Study Finds

A new study finds that large-scale farming projects can erode the Earth’s surface at rates comparable to those of the world’s largest rivers and glaciers.Published online in the journal Nature Geoscience, the research offers stark evidence of how humans are … Continue reading

Posted in Landforms, opinions | 2 Comments