Sentences with phrase «by human emissions between»

These facts help explain why, in spite of the Earth's air temperature increasing to a level that the IPCC claims is unprecedented in the the past millennium or more, a recent study by Randall et al. (2013) found that the 14 % extra carbon dioxide fertilization caused by human emissions between 1982 and 2010 caused an average worldwide increase in vegetation foliage by 11 % after adjusting the data for precipitation effects.

Not exact matches

The carbon entity data allows for the differentiation between carbon emissions, produced and marketed by each of the 90 major multi-national and state - owned coal, oil and gas companies (and their predecessors), and the total human attribution on climate change impacts.

The close relationship between ENSO and global temperature, as described in the paper, leaves little room for any warming driven by human carbon dioxide emissions.

Hence the irony in Bob Carter's conclusion «The close relationship between ENSO and global temperature leaves little room for any warming driven by human carbon dioxide emissions».

According to one of its authors, Bob Carter, the paper found that the «close relationship between ENSO and global temperature, as described in the paper, leaves little room for any warming driven by human carbon dioxide emissions».

A new study, however, shows that forests devastated by drought may lose their ability to store carbon over a much longer period than previously thought, reducing their role as a buffer between humans» carbon emissions and a changing climate.

The finalist entries included video, flash animation and photography, but the winning one, by two Pratt Institute architecture students, employed good old - fashioned paper and other nonvirtual materials to build three - dimensional flow charts illustrating the links between human activities, emissions and possible global climatic outcomes.

«In 1997, human - caused Indonesian peat fires were estimated to have released between 13 % and 40 % of the average carbon emissions caused by the burning of fossil fuels around the world in a single year.»

A similar temperature change may be expected between the LIA and current, be it that the expected ~ 10 ppmv CO2 change is overwhelmed by human emissions.

On a year - to - year basis there does not appear to be any direct correlation between human CO2 emissions and CO2 concentration: the annual increase in CO2 varies between 15 % and 90 % of the CO2 emitted by humans.

Thus a grand solar minimum would have to cause about 1 °C cooling, plus it would have to offset the continued human - caused global warming between 1 and 5 °C by 2100, depending on how our greenhouse gas emissions change over the next century.

«My point (summarized well by Steve) is that Hansen got it very wrong on the relationship between the human emissions and the climate;» He was modelling forcings and climate.

My point (summarized well by Steve) is that Hansen got it very wrong on the relationship between the human emissions and the climate; this involves steps 1 and 2 above.

This is not a careful argument, because people — sceptical and not — have been questioning the leaps between observing that the earths temperature changes, the attribution of that change to humans, the conclusion that it will cause catastrophe, and that the only way to confront that catastrophe is by mitigating climate change through reduction in emissions.

The link between adverse impacts such as more wildfires, ecosystem changes, extreme weather events etc. and their mitigation by reducing greenhouse gas emissions hinges on detecting unusual events for at least the past century and then actually attributing them to human caused warming.

Also the Paris Agreement says by the second half of this century, there must be a balance between the emissions from human activity such as energy production and farming, and the amount that can be captured by carbon - absorbing «sinks» such as forests or carbon storage technology.

In today's West Australian, which is the most widely newspaper in Western Australia, there is a piece by Paul Murray discussing the survey by the American Meteorological Society of the views of its members on the link between carbon emissions from human activity and global warming.

About half of the summer ice loss between 1979 and 2005 can be explained by natural variability, the researchers found, while the other half is due to human greenhouse emissions.

Our devotee will also pass by the curious additional facts that a period of similar warming occurred between 1918 and 1940, well prior to the greatest phase of world industrialisation, and that cooling occurred between 1940 and 1965, at precisely the time that human emissions were increasing at their greatest rate.

The carbon entity data allows for the differentiation between carbon emissions, produced and marketed by each of the 90 major multi-national and state - owned coal, oil and gas companies (and their predecessors), and the total human attribution on climate change impacts.

It is a simple way to monitor the overall consistency between the evolving climate change signal, individual countries» pledges and the overall goal of achieving net zero CO2 emissions by the time we reach 2 °C of human - related warming.

The assembled panel issued the IPCC's Fourth Assessment Report entitled «The Physical Science Basis, Summary for Policy Makers» that concludes that global average temperature will rise between 1.1 °C to 6.4 °C by 2100, and that it is «very likely» (90 % certainty) that human activities and emissions are causing global warming.

You both forget one thing: against natural sources stand natural sinks, We only have rough estimates of the height of the sources and sinks and of their year by year variability, but we have quite exact figures of the difference between natural sources and sinks and their variability: that is the difference between the human emissions and what is measured as increase in the atmosphere.

On a year - to - year basis there is absolutely no correlation between human CO2 emissions and atmospheric CO2 levels: the amount of human CO2 «staying» in the atmosphere swings between 15 and 88 percent of that emitted by humans, with a multi-year average of just under 50 %.

This strongly suggests that most of the increase has come from a positive imbalance between natural sources (which out - ratio human emissions by a factor of 24 at least) and natural sinks.

The HadCRUT record (preferred by IPCC) shows three statistically indistinguishable multi-decadal warming «blips» (of about 30 years each and warming rates between 0.14 and 0.16 C per decade), the first two of which occurred prior to any significant human CO2 emissions.