Measurements as well as model calculations equally show that the oxygen inventory of the oceans is decreasing. However, the models underestimate this decrease significantly making projections into the future problematic. ...
Earth Sciences
Jun 11, 2018
0
59
Growing 'dead zone' confirmed by underwater robots in the Gulf of Oman
Earth Sciences
Apr 27, 2018
0
604
Changes in the circulation of the North Pacific Ocean about 15,000 years ago released large amounts of CO2 to the atmosphere, helping warm the planet and end the last Ice Age, according to research by scientists at the University ...
Earth Sciences
Apr 24, 2018
29
201
Nitrogen is essential to marine life and cycles throughout the ocean in a delicately balanced system. Living organisms—especially marine plants called phytoplankton—require nitrogen in processes such as photosynthesis. ...
Earth Sciences
Apr 20, 2018
0
284
The first 1.5 billion years of Earth's evolution is subject to considerable uncertainty due to the lack of any significant rock record prior to four billion years ago and a very limited record until about three billion years ...
Earth Sciences
Nov 2, 2017
0
167
Scientists have long wondered how Earth's atmosphere filled with oxygen. UBC geologist Matthijs Smit and research partner Klaus Mezger may have found the answer in continental rocks that are billions of years old.
Earth Sciences
Sep 18, 2017
4
285
Extremely low oxygen levels in Earth's oceans could be responsible for extending the effects of a mass extinction that wiped out millions of species on Earth around 200 million years ago, according to a new study.
Earth Sciences
Aug 25, 2017
1
180
A loss of oxygen in global ocean seawater 94 million years ago led to a mass extinction of marine life that lasted for roughly half a million years.
Earth Sciences
Aug 9, 2017
5
355
Dramatic drops in oceanic oxygen, which cause mass extinctions of sea life, come to a natural end - but it takes about a million years.
Earth Sciences
May 12, 2017
0
346
A new analysis of decades of data on oceans across the globe has revealed that the amount of dissolved oxygen contained in the water - an important measure of ocean health - has been declining for more than 20 years.
Earth Sciences
May 4, 2017
17
298
