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Climate change affecting Earth's outermost atmosphere
12-11-2006 · EurekAlert!Carbon dioxide emissions from the burning of fossil fuels will produce a three percent reduction in the density of Earth's outermost atmosphere by 2017, scientists predict. Recent observations have shown that the thermosphere, which begins about 60 miles above Earth and extends up to 400 miles, is becoming less dense.
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Keywords: climate, change, affecting, earth, outermost, atmosphere
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- ESA celebrates 15 years of near-real time data delivery in Earth Observation
02-16-2007 · European Space Agency (ESA)
Decision-makers, scientists and local authorities require up-to-date environmental information in order to manage natural resources, respond to natural disasters and better understand climate change. ESA has been responding to this requirement since 1992 by offering data from Earth-observing satellites in near-real time to allow users to study and monitor the current state of the oceans, lands, atmosphere and cryosphere.
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- Studying rivers for clues to global carbon cycle
02-08-2008 · EurekAlert!
In the science world, media and our daily lives, the debate continues over how carbon in the atmosphere is affecting global climate change. In a study of how organic carbon is processed in rivers, a research team including an engineer, ecologists and microbiologists has determined that carbon processing in rivers is a bigger component of global carbon cycling than previously thought. The team lays out a framework for how scientists should go about assessing those processes.
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- NOAA scientists to search tropical skies
06-27-2007 · EurekAlert!
Scientists from NOAA's Earth System Research Lab (ESRL) will be among 400 participants heading to Costa Rica this summer to probe one of the most complex and least observed regions of Earth's atmosphere during the rainy season. The NASA-led study will shed light on key processes related to climate change, the stratospheric ozone layer, and global chemistry.
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- Climate change affects Southern Ocean carbon sink
05-17-2007 · EurekAlert!
The first evidence that recent climate change has weakened one the Earth's natural carbon 'sinks' is published this week in the journal Science. A four-year study by scientists from the University of East Anglia, British Antarctic Survey and the Max-Planck Institute for Biogeochemistry reveals that an increase in winds over the Southern Ocean, caused by greenhouse gases and ozone depletion, has led to a release of stored CO2 into the atmosphere and is preventing further absorption of the greenhouse gas.
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- Europe's new MetOp weather satellite reaches polar orbit
10-19-2006 · European Space Agency (ESA)
ESA PR 38-2006. For 28 years, Europe has been operating its famous Meteosat weather satellites in geostationary orbit. Today, they were joined by the first of a brand new generation of meteorological satellites. MetOp is designed to provide a closer view of the atmosphere from low earth orbit, delivering data that will improve global weather prediction and enhance our understanding of climate change.
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- Climate experts search for answers in the oceans
12-11-2006 · European Space Agency (ESA)
By absorbing half of the carbon dioxide emitted into the atmosphere, the oceans have a profound influence on climate. However, their ability to take up this carbon dioxide might be impaired as a result of climate change. To determine their response to global warming, ESA has backed two projects that provide systematic data on key oceanic variables – colour and temperature.
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- New research may lead to better climate models for global warming, El Niсo
12-07-2007 · EurekAlert!
From nine different countries, 150 scientists are starting a program to gain insights about the Earth's climate and the complex system involving the oceans, atmosphere and land. They are studying the Southeastern Pacific Ocean off South America's west coast -- research that should improve global computer climate models, which would lead to improved predictions about global warming and El Niсos, said C. Roberto Mechoso, UCLA professor of atmospheric and oceanic sciences, who chairs the program.
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- Ecologists, material scientists pursue genetics of diatom's elegant, etched casing
01-23-2008 · EurekAlert!
Scientists have discovered of whole subsets of genes and proteins that govern how one species of diatom builds its shell. For oceanographers, the work might one day help them understand how thousands of different kinds of diatoms -- and their ability to remove carbon dioxide from the atmosphere -- might be affected by something like global climate change.
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- Climate change only one symptom of a stressed planet Earth
02-02-2007 · EurekAlert!
The International Geosphere-Biosphere Programme responds to the IPCC AR4 by focussing on the need for an integrated, Earth Systems Science approach to the challenges posed by global environmental change. Several scientists from the IGBP network who authored chapters of the IPCC report are quoted.
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- 21st century water management: Calculating with the unknown
01-31-2008 · EurekAlert!
Climate change is making a central assumption of water management obsolete: Water-resource risk assessment and planning are currently based on the notion that factors such as precipitation and streamflow fluctuate within an unchanging envelope of variability. But anthropogenic change of Earth's climate is altering the means and extremes of these factors so that this paradigm of stationarity no longer applies, researchers report in the latest issue of Science.
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