Sentences with phrase «atmospheric gases as»

The FACT remains, humans & all animals on earth, have NEVER existed with CO2, Methane & other atmospheric gases as HIGH as they are today!.

More research is needed to see if this novel use of atmospheric gases as an alternative energy source is more widespread in Antarctica and elsewhere, the scientists say.

The very fact that I am breathing is a testament to the adaptability of life to mutate over time and incorporate available atmospheric gasses as a means of furthering its own functioning.

Not exact matches

Also, Ice core samples that go back as far as 800,000 years have atmospheric gasses trapped within, so give a source to determine the make - up of the air, showing consistant level of carbon... directly refuting the AiG site that claimns the air has changed.

Transits can reveal atmospheres because as a planet passes in front of its star, atmospheric gases can absorb certain frequencies of the light passing through.

Keeping atmospheric concentrations of greenhouse gases below 550 ppm, let alone going back to 350 ppm or below, will not only require a massive shift in human society — from industry to diet — but also, most likely, new technologies, such as capturing CO2 directly from the air.

Research into such solutions appears to be warranted given the massive hole we are presently digging ourselves into as far as stabilizing atmospheric greenhouse gas levels.

Other scientists have criticized the planetary boundaries as too generous (for example, allowing too much human appropriation of freshwater flows) or employing the wrong metric (atmospheric concentrations of CO2 rather than cumulative emissions of greenhouse gases).

The Montreal Protocol and associated agreements have led to decreases in the atmospheric abundance of gases, such as CFCs (chlorofluorocarbons) and halons, once used in products such as refrigerators, spray cans, insulation foam and fire suppression.

As atmospheric carbon dioxide increases, the greenhouse gas is absorbed into ocean water, making it more acidic.

In one scenario, methane's rise may come in part from a drop in hydroxyl, a chemical that acts as an atmospheric detergent; in the other, the gas is emanating from tropical wetlands flooded by heavy rains in recent years.

The model's noble - gas ratio predictions were similar to the ratios found in atmospheric data gathered from as far away as Japan and Russia nearly two months after North Korea announced it had conducted an underground explosion in 2013.

The measurement method using the harmonic interferometer that we have developed does not depend upon gas composition used when plasma is produced, as compared to other electron density diagnostic methods for atmospheric pressure low - temperature plasma.

Because a gas giant's atmospheric pressure and magnetic field both depend on its mass, less - massive worlds such as Saturn should have dynamic weather extending more than three times deeper than Jupiter's.

Using this method that has been developed by high - temperature plasma diagnostics, as shown in Image 2, we have succeeded in greatly reducing the influence of atmospheric pressure (gas), which was a problem in high - accuracy measurement of atmospheric pressure low - temperature plasma.

Coal plants are one of the largest contributors to atmospheric particulate matter and ozone — which are linked to worsened asthma and increased rates of heart attacks and premature death — as well as greenhouse gases and toxic substances, including mercury.

A surprising recent rise in atmospheric methane likely stems from wetland emissions, suggesting that much more of the potent greenhouse gas will be pumped into the atmosphere as northern wetlands continue to thaw and tropical ones to warm, according to a new international study led by a University of Guelph researcher.

Plants release gases that, after atmospheric oxidation, tend to stick to aerosol particles, growing them into the larger - sized particles that reflect sunlight and also serve as the basis for cloud droplets.

The researchers find that «ocean - driven melt is an important driver of Antarctic ice shelf retreat where warm water is in contact with shelves, but in high greenhouse - gas emissions scenarios, atmospheric warming soon overtakes the ocean as the dominant driver of Antarctic ice loss.»

Nano - sized gas sensors in mobile telephones that measure the atmospheric humidity are nothing new as such.

Free oxygen is not bound to another element, as are the oxygen atoms in other atmospheric gases like carbon dioxide and sulfur dioxide.

Non-polar glacial ice holds a wealth of information about past changes in climate, the environment and especially atmospheric composition, such as variations in temperature, atmospheric concentrations of greenhouse gases and emissions of natural aerosols or human - made pollutants... The glaciers therefore hold the memory of former climates and help to predict future environmental changes.

Plants are the original carbon capture and storage solution: as atmospheric carbon dioxide levels rise, plants absorb more of the gas to fuel photosynthesis, and more carbon is stored in the soil.

In the new paper, published in the journal Environmental Research Letters, Höglund - Isaksson estimated global methane emissions from oil and gas systems in over 100 countries over a 32 - year period, using a variety of country - specific data ranging from reported volumes of associated gas to satellite imagery that can show flaring, as well as atmospheric measurements of ethane, a gas which is released along with methane and easier to link more directly to oil and gas activities.

During the next century, winds are expected to intensify and migrate closer to the East Antarctic coast as a result of increased atmospheric greenhouse gas.

Our understanding of how certain atmospheric gases trap heat dates back almost 200 years to 1824 when Joseph Fourier described what we know as the greenhouse effect.

The erupted gases led to worldwide acid rain and atmospheric warming of as much as 20 degrees centigrade.

However, as the atmospheric CO2 rises — due to the almost exponential increase in emissions from industrial sources — the influence of solar variability on the Earth's climate will most likely decrease, and its relative contribution will be far surpassed by «greenhouse» gases.

The lead surrounding the stars — which was part of the original cloud of gas and dust from which these stars formed, not generated by reactions in the evolving stars themselves — may be dispersed within an atmospheric layer as much as 100 kilometers thick (depicted patchily in pink) that altogether weighs up to 100 billion metric tons.

«The prevailing thinking has been that as the oceans warm due to increasing atmospheric greenhouse gases, the oxygen content of the oceans should decline,» Thunell says.

The researchers warn, however, that the future evolution of the AMO remains uncertain, with many factors potentially affecting how it interacts with atmospheric circulation patterns, such as Arctic sea ice loss, changes in solar radiation, volcanic eruptions and concentrations of greenhouse gases in the atmosphere.

The bad news is that such record - breaking downpours, blizzards and sleet storms are likely to continue to get worse as atmospheric greenhouse gas concentrations continue to rise, causing global temperatures to continue to warm and making the atmosphere more and more humid.

To prevent this, the ELVOCs are directly ionized under atmospheric conditions in the gas phase, and subsequently transported as an electrically charged ELVOC - molecule into the sensor (mass spectrometer), where the detection takes place.

In a typical medical device, atmospheric pressure plasma is made from a noble gas such as helium.

Rice serves as the staple food for more than half of the world's population, but it's also the one of the largest humanmade sources of atmospheric methane, a potent greenhouse gas.

On Earth, microbes have churned out as much as 95 percent of all atmospheric methane, so finding that gas in Mars» air would have been solid circumstantial evidence of life.

«(C) global atmospheric concentrations of greenhouse gases, expressed in annual concentration units as well as carbon dioxide equivalents based on 100 - year global warming potentials;

The relative atmospheric concentrations of greenhouse gases as well as aerosol and particulate content coupled with other climate information gives insight into both the importance of these as drivers of temperature as well as how these drivers might couple in either a positive or negative feedback sense (Beckman and Mahoney, 1998).

So far, scientists identified three sets of instruments to carry: a chemistry package that would include gas chronographs and mass spectrometers to sample lakeshore environments; an atmospheric package to gather meteorological data such as temperature, wind speed and methane content; and navigation cameras and microscopes.

Although atmospheric oxygen soon recovered again as photosynthesis and weathering reached a new balance, at about 10 per cent of present - day levels, the oxidative weathering of sulphides on land filled the oceans with sulphate which created abundant food for a group of bacteria that filled the oceans with sewer gas (hydrogen sulphide) toxic to oxygen - loving lifeforms (delaying the development of eukaryotic plants and animals) and turned them «into stinking, stagnant waters almost entirely devoid of oxygen.»

Our general circulation model simulations, which take into account the recently observed widespread occurrence of vertically extended atmospheric brown clouds over the Indian Ocean and Asia3, suggest that atmospheric brown clouds contribute as much as the recent increase in anthropogenic greenhouse gases to regional lower atmospheric warming trends.

To derive the climate projections for this assessment, we employed 20 general circulation models to consider two scenarios of global carbon emissions: one where atmospheric greenhouse gases are stabilized by the end of the century and the other where it grows on its current path (the stabilization [RCP4.5] and business - as - usual [RCP8.5] emission scenarios, respectively).

The global warming potential (GWP) depends on both the efficiency of the molecule as a greenhouse gas and its atmospheric lifetime.

The small Delta age at WD provides valuable opportunities to investigate the timing of atmospheric greenhouse gas variations relative to Antarctic climate, as well as the interhemispheric phasing of the \ «bipolar seesaw \».

Nitrous oxide is a powerful greenhouse gas up to 300 times more effective as an atmospheric warming catalyst than carbon dioxide.

On February 9, The Virgin Group chairman Sir Richard Branson announced a $ 25 million prize for anyone who can demonstrate «a commercially viable design which results in the removal of anthropogenic, atmospheric greenhouse gases so as to contribute materially to the stability of Earth's climate.»

A 2008 study led by James Hansen found that climate sensitivity to «fast feedback processes» is 3 °C, but when accounting for longer - term feedbacks (such as ice sheet disintegration, vegetation migration, and greenhouse gas release from soils, tundra or ocean), if atmospheric CO2 remains at the doubled level, the sensitivity increases to 6 °C based on paleoclimatic (historical climate) data.

The latest generation of models include interactive particulates and atmospheric chemistry and have those changing through time as well as the greenhouse gases (and solar and volcanoes etc.).

The Finnish Meteorological Institute started meteorological observations on the island in 1881, and atmospheric trace gas and aerosol measurements as member of the EMEP - network in 1980.

As the planet warms from the buildup of greenhouse gases, there may be a change in the atmospheric circulations near the equatorial Pacific Ocean.