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Foraminifera Fossils Reveal An Ice-Free Late Cretaceous Period
2013-09-25 05:04:54

April Flowers for redOrbit.com - Your Universe Online Scientists have long believed that a continental ice sheet formed more than 90 million years ago during the Late Cretaceous Period. During that time, the climate was much warmer than it is today. A new study from the University of Missouri (MU) has found evidence suggesting that this belief is incorrect, that no ice sheet formed during this time. The findings of this study, published in the journal Geology, could help environmentalists...

Ocean Water Vertically Mixes As It Rushes Over Undersea Mountains
2013-09-19 07:58:02

April Flowers for redOrbit.com - Your Universe Online In the ocean near Antarctica, an international research team has solved the mystery of how deep and mid-depth ocean waters are mixed. The study, published in the journal Nature, reveals that sea water mixes dramatically as it rushes over undersea mountains in Drake Passage - the channel between the southern tip of South America and the Antarctic continent. This mixing of oceanic water layers is vital in the regulation of the Earth's...

Receding Ice Exposes Seawater To Carbon Dioxide, Driving Ocean Acidification In The Arctic Ocean
2013-09-13 12:12:21

University of South Florida (USF Health) Acidification of the Arctic Ocean is occurring faster than projected according to new findings published in the journal PLoS One. The increase in rate is being blamed on rapidly melting sea ice, a process that may have important consequences for health of the Arctic ecosystem. Ocean acidification is the process by which pH levels of seawater decrease due to greater amounts of carbon dioxide being absorbed by the oceans from the atmosphere....

CO2 On The Rise Satellite Images
2013-09-04 13:04:37

Lee Rannals for redOrbit.com - Your Universe Online A new report says satellite observations have shown that carbon dioxide in our atmosphere has continued to increase, despite global efforts to curb emissions. Ten years of data taken from the European Space Agency's (ESA) Envisat mission and Japan's Greenhouse gases Observing Satellite (GOSAT) show that carbon dioxide increased by about 0.5 percent every year between 2003 and 2013. The measurements also show that methane began...

Carbon-sequestering Ocean Plants May Handle Climate Changes Over The Long Run
2013-08-26 14:33:35

San Francisco State University A year-long experiment on tiny ocean organisms called coccolithophores suggests that the single-celled algae may still be able to grow their calcified shells even as oceans grow warmer and more acidic in Earth's near future. The study stands in contrast to earlier studies suggesting that coccolithophores would fail to build strong shells in acidic waters. The world's oceans are expected to become more acidic as human activities pump increasing amounts of...

Animal Species Ocean Acidification
2013-08-26 09:36:17

Brett Smith for redOrbit.com - Your Universe Online When atmospheric carbon dioxide dissolves into the ocean, it forms carbonic acid, which in turn lowers the water's pH levels and causes oceanic acidification. The phenomenon is expected to occur at increasing rates as carbon dioxide emissions around the world continue to rise. In a report published in Nature Climate Change, two researchers from the Alfred Wegener Institute, Helmholtz-Centre for Polar and Marine Research (AWI) in...

Understanding Marine Life's Ability To Adapt To Climate Change
2013-08-26 06:03:13

University of Plymouth A study into marine life around an underwater volcanic vent in the Mediterranean, might hold the key to understanding how some species will be able to survive in increasingly acidic sea water should anthropogenic climate change continue. Researchers have discovered that some species of polychaete worms are able to modify their metabolic rates to better cope with and thrive in waters high in carbon dioxide (CO2), which is otherwise poisonous to other, often...

Extreme Weather Adds To Warming
2013-08-15 05:05:21

redOrbit Staff & Wire Reports - Your Universe Online Extreme weather and climate events such as heavy precipitation, violent storms, heat waves and lengthy droughts cause terrestrial ecosystems to absorb approximately 11 billion tons less carbon dioxide each year, according to new research appearing in the latest edition of the journal Nature. That is equivalent to approximately one-third of global CO2 emissions each year, according to an international team of researchers led by...

No Clear Sign That Less Soot, Methane Reduces Global Warming
2013-08-14 08:20:43

redOrbit Staff & Wire Reports - Your Universe Online Reducing emissions of only soot and methane won't do as much to reduce global warming as some previous research has suggested, according to a new study published Monday in the Proceedings of the National Academy of Sciences (PNAS). "Cutting back only on soot and methane emissions will help the climate, but not as much as previously thought," said study author Steve Smith, a climate researcher at the Department of Energy's Pacific...

Worm Causing Methane Release Ocean Bed
2013-08-13 08:36:26

April Flowers for redOrbit.com - Your Universe Online A super-charged methane seep has been discovered in the ocean off the coast of New Zealand. The seep has created its own unique food web, resulting in elevated amounts of methane escaping from the ocean floor into the water column, according to scientists at Oregon State University. Methane is a greenhouse gas 23 times more potent than carbon dioxide at warming our atmosphere. Most of the methane in the seep is likely consumed by...


Latest Greenhouse gases Reference Libraries

Earth's Atmosphere
2004-10-19 04:45:44

Earth's Atmosphere -- Earth's atmosphere consists of nitrogen (78.1%) and oxygen (20.9%), with small amounts of argon (0.9%), carbon dioxide (variable, but around 0.035%), water vapor, and other gases. The atmosphere protects life on Earth by absorbing ultraviolet solar radiation and reducing temperature extremes between day and night. 75% of the atmosphere exists within 11km of the planetary surface. Temperature and the Atmospheric Layers The temperature of the Earth's atmosphere...

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Word of the Day
cruet
  • A vial or small glass bottle, especially one for holding vinegar, oil, etc.; a caster for liquids.
This word is Middle English in origin, and ultimately comes from the Old French, diminutive of 'crue,' flask.
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