Humans have manipulated and managed rivers with dams for millennia. The number of river dam projects is predicted to rise sharply in the future, especially in the tropics where demand for hydroelectricity and water is accelerating. ...
Environment
Jul 06, 2020
0
83
The mountain landscape is a result of battle between tectonic uplift, river incision and bedrock landsliding. The erosion of landslide dominates the process of removing sediment from the watersheds; therefore, where it happens ...
Earth Sciences
Jun 09, 2020
0
196
Given the present-day rate of global sea-level rise, remaining marshes in the Mississippi Delta are likely to drown, according to a new Tulane University study.
Environment
May 22, 2020
31
5028
Why do carbon dioxide levels in the atmosphere wax and wane in conjunction with the warm and cold periods of Earth's past? Scientists have been trying to answer this question for many years, and thanks to chemical clues left ...
Earth Sciences
May 21, 2020
0
252
A study in the May 6th issue of Nature indicates the increase in rainfall forecast by global climate models is likely to hasten the release of carbon dioxide from tropical soils, further intensifying global warming by adding ...
Earth Sciences
May 06, 2020
12
477
Ninety years ago there were no satellites to detect changes in Greenland's coastal glaciers, but a new study combining historical photos with evidence from ocean sediments suggests climate change was already at work in the ...
Earth Sciences
Mar 11, 2020
18
282
Massive freshwater river flows stemming from glacier-fed flooding at the end of the last ice age surged across eastern Washington to the Columbia River and out to the North Pacific Ocean, where they triggered climate changes ...
Earth Sciences
Feb 26, 2020
0
217
Climate change and bushfire may exacerbate recent mercury pollution and increase exposure to the poisonous neurotoxin, according to our study published in the Journal of Paleolimnology.
Environment
Jan 30, 2020
0
7
Queen's University researchers John Smol and Matthew Duda have identified concerning trends in a vulnerable seabird.
Plants & Animals
Jan 23, 2020
0
37
Dead zones within the world's oceans—where there is almost no oxygen to sustain life—could be expanding far quicker than currently thought, a new study suggests.
Earth Sciences
Dec 10, 2019
2
195
