Sentences with phrase «atmospheric carbon dioxide increases»

In 2015 and 2016, OCO - 2 recorded atmospheric carbon dioxide increases that were 50 percent larger than the average increase seen in recent years preceding these observations.

There is, therefore, much current interest in how coccolithophore calcification might be affected by climate change and ocean acidification, both of which occur as atmospheric carbon dioxide increases.

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

At the same time, atmospheric carbon dioxide increased by 21.4 percent, just like it increased during the other two hiatuses as the Keeling curve shows.

However, during rampant industrialization [abetted by the incineration of numerous cities during the 1940's due to the second world war], atmospheric carbon dioxide increased significantly.

Whenever atmospheric carbon dioxide increased naturally (either as a direct cause or as an amplifier, see this study), global surface temperature increased further.

«As levels of atmospheric carbon dioxide increase, more CO2 gets taken in by marsh plants.

Each simulation was subject to an identical scenario of historical «radiative forcing» (effectively an identical scenario of atmospheric carbon dioxide increase over the period) but each was started from a very slightly different atmospheric state — that is, with an almost infinitesimal difference in the initial value of global temperature.

During these sixty - one years the amount of atmospheric carbon dioxide increased by slightly over twenty percent.

During the last 200 years, the concentration of atmospheric carbon dioxide increased from about 275 parts per million to about 380 parts per million.

Not exact matches

I want to discuss a contemporary moral epidemic: the notion that increasing atmospheric concentrations of greenhouse gases, notably carbon dioxide, will have disastrous consequences for mankind and for the planet.

Today the difference is 28 degrees Celsius, indicating that polar regions are more sensitive to increases in atmospheric carbon dioxide than the tropics.

The chemistry of the ocean is also affected, as the increased concentrations of atmospheric carbon dioxide will cause the ocean to become more acidic.

Ocean acidification, which is a direct consequence of increased atmospheric carbon dioxide levels, is expected to have a deleterious effect on many marine species over the next century.

My work is also directed toward determining why plants exposed to elevated carbon dioxide concentrations often have only a temporary increase in growth rate, and toward determining what plant characteristics might be most beneficial to the productivity and to the nutritional value of crops if atmospheric carbon dioxide concentrations continue to rise.

Most notably, the models do not generally react too sensitively to increases in atmospheric carbon dioxide.

An observed long - term increase in the number of these clouds may be due in part to the rise in atmospheric carbon dioxide levels, he says.

The researchers believe the greening is a response to higher atmospheric carbon dioxide inducing decreases in plant stomatal conductance — the measure of the rate of passage of carbon dioxide entering, or water vapor exiting, through the stomata of a leaf — and increases in soil water, thus enhancing vegetation growth.

«However, atmospheric carbon dioxide levels aren't changing because the Earth has had time to respond via increased silicate - weathering rates.

Curiously, the decline in atmospheric oxygen over the past 800,000 years was not accompanied by any significant increase in the average amount of carbon dioxide in the atmosphere, though carbon dioxide concentrations do vary over individual ice age cycles.

A substantial portion of the planet is greening in response to increasing atmospheric carbon dioxide, nitrogen deposition, global warming and land use change.

As atmospheric carbon dioxide levels increase, it becomes easier for trees to gather carbon dioxide and gives them a growing advantage over grasses.

Upper atmospheric increases in carbon dioxide «is the primary cooling agent of the thermosphere,» observes thermosphere climate scientist John Emmert of the Naval Research Laboratory in Washington, D.C..

Record emissions of carbon dioxide mean atmospheric concentrations have reached levels that lead to the highest temperature increases

What happens when the world moves into a warm, interglacial period isn't certain, but in 2009, a paper published in Science by researchers found that upwelling in the Southern Ocean increased as the last ice age waned, correlated to a rapid rise in atmospheric carbon dioxide.

«Significant increases in summer temperatures will affect the carbon cycling in the lakes, with potential consequences on atmospheric carbon dioxide levels and the Earth's climate,» he added.

Indeed, the team estimates that this cooling effect could reduce by two - thirds the predicted increase in global temperatures initiated by a doubling of atmospheric carbon dioxide.

During the PETM, atmospheric carbon dioxide more than doubled and global temperatures rose by 5 degrees Celsius, an increase that is comparable with the change that may occur by later next century on modern Earth.

Certainly, the only way to stop the massive increase in atmospheric carbon dioxide is to impose a charge, either on emissions or fuel, and to allow competition to provide the cheapest alternative.

This balance is threatened by increasing atmospheric carbon dioxide, which causes ocean acidification (decreasing ocean pH).

Warmer temperatures could extend the growing season in northern latitudes, and an increase in atmospheric carbon dioxide could improve the water use efficiency of some crops.

«As remarkable as it is that climate can change that quickly naturally, what is even more remarkable is that some of the rates of change we're experiencing today — increases in atmospheric carbon dioxide for example — are faster than anything we've been able to find in the past several million years of geologic history.

However, this has to a large extent not led to immediate action to address the severity of the imminent crisis of rising global temperatures and associated problems due to the increase in atmospheric carbon dioxide concentrations due to human activity.

The second simulation overlaid that same weather data with a «pseudo global warming» technique using an accepted scenario that assumes a 2 - to 3 - degree increase in average temperature, and a doubling of atmospheric carbon dioxide.

«Influence of increasing carbon dioxide levels on the seabed: Storing CO2 below the seabed is one way to counteract increasing atmospheric CO2 - levels.

But he wonders whether an increase in soil clumping might offset a rise in atmospheric carbon dioxide, simply by storing more carbon in the soil.

For example, the model predicts that production of carbon dioxide must increase with time, a finding that goes against the conventional wisdom that carbon fluxes and atmospheric carbon dioxide levels have steadily decreased over the last 4 billion years.

«Human influence is so dominant now,» Baker asserts, «that whatever is going to go on in the tropics has much less to do with sea surface temperatures and the earth's orbital parameters and much more to do with deforestation, increasing atmospheric carbon dioxide and global warming.»

The model also accounted for natural drivers of change, including the direct influence of increased carbon dioxide on ocean - carbon uptake and the indirect effect that a changing climate has on the physical state of the ocean and its relationship to atmospheric carbon dioxide.

Because of those uncertainties, researchers can estimate only that doubling atmospheric carbon dioxide from preindustrial levels would increase global temperature between 1 °C and 5 °C.

As emissions from human activities increase atmospheric carbon dioxide, they, in turn, are modifying the chemical structure of global waters, making them more acidic.

Nonetheless mature forests do play an important role in the global carbon cycle as stable carbon pools, and clearance of forests leads to an increase of atmospheric carbon dioxide levels.

As atmospheric CO2 levels increase from burning fossil fuels, this carbon dioxide is soaked up by seawater and makes the oceans more acidic.

«With atmospheric carbon dioxide at unprecedented levels, our sense of urgency has only increased,» said Basilio.

«We found that atmospheric carbon dioxide clearly seems to have had the largest effect on the increase in flowers.»

Effect of increased concentrations of atmospheric carbon dioxide on the global threat of zinc deficiency: a modelling study.

The researchers, thus, conclude that an increase in carbon dioxide levels caused by extremely strong vulcanism was accompanied by a decrease of atmospheric oxygen.

By analyzing global water vapor and temperature satellite data for the lower atmosphere, Texas A&M University atmospheric scientist Andrew Dessler and his colleagues found that warming driven by carbon dioxide and other gases allowed the air to hold more moisture, increasing the amount of water vapor in the atmosphere.

«(A) describe increased risks to natural systems and society that would result from an increase in global average temperature 3.6 degrees Fahrenheit (2 degrees Celsius) above the pre-industrial average or an increase in atmospheric greenhouse gas concentrations above 450 parts per million carbon dioxide equivalent; and

For example, he said, most participants recognized that carbon dioxide increases global temperatures, yet mistakenly indicated that rising levels of atmospheric CO2 are expected to «reduce photosynthesis in plants.»