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
New research has identified a body of sediments that may have been deposited by a giant flood ending the Messinian Salinity Crisis. These sediments were transported by a massive flow of water and were deposited along the ...
Earth Sciences
Jan 27, 2020
0
41
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
1
195
There have been long periods of cooling in Earth's history. Temperatures had already fallen for more than 10 million years before the last ice age began about 2.5 million years ago. At that time, the northern hemisphere was ...
Earth Sciences
Jul 3, 2019
5
1
Eclogitic diamonds formed in Earth's mantle originate from oceanic crust, rather than marine sediments as commonly thought, according to a new study from University of Alberta geologists.
Earth Sciences
Apr 24, 2019
2
45
Over the last million years, ice ages have intensified and lengthened. According to a study led by the University of Bern, this previously unexplained climate transition coincides with a diminution of the mixing between deep ...
Earth Sciences
Mar 8, 2019
0
129
New results from the Gulf of Corinth, Greece, a continental rift zone where the first stage of ocean basin formation is taking place, show how the environmental conditions and sediment input into the rift basin changed as ...
Earth Sciences
Feb 28, 2019
0
23
Far below the ocean floor, sediments are teeming with bizarre zombie-like microbes. Although they're technically alive, they grow in slow motion, and can take decades for a single cell to divide—something their cousins ...
Earth Sciences
Jan 22, 2019
1
192
The Sahara desert is one of the harshest, most inhospitable places on the planet, covering much of North Africa in some 3.6 million square miles of rock and windswept dunes. But it wasn't always so desolate and parched. Primitive ...
Earth Sciences
Jan 2, 2019
28
1864
A study led by Drs. Christelle Not and Benoit Thibodeau from the Department of Earth Sciences and the Swire Institute of Marine Science, The University of Hong Kong, highlights a dramatic weakening of ocean circulation during ...
Earth Sciences
Nov 27, 2018
5
280
