Sentence examples for longer term warming from inspiring English sources

For example, the 2013 Intergovernmental Panel on Climate Change (IPCC) report says we can expect a warming of between 1.5°C and 4.5°C if we double atmospheric CO2 levels, but also acknowledges that the longer term warming (over centuries to millennia) "could be significantly higher" than that.

But these severe winters may be a temporary phase within longer term warming: By the end of the century, the researchers report, the Arctic Oscillation could overpower the cooling effect from WACE and winter temperatures over Eurasia will gradually increase.

Longer term warming driven by thermal discharge plumes has also facilitated empirical tests of ecological theories [6] However, while such approaches are clearly valuable, they are inherently either unreplicated or spatio-temporally confounded and also it is not possible for the researcher to exert control of the warming regimes or treatments.

Wilcox says the long-term data suggest we could be entering a longer-term warming cycle with a naturally resulting long-term low lake level cycle.

"This clearly shows a longer-term warming trend in the U.S., not just one really hot month," Mr. Crouch said.

El Niño is an important factor, but this comes on top of the longer-term warming caused by human activities," Professor Sutton added.

Many scientists note that 1998 was an exceptionally hot year even by modern standards, and so any average rise using it as a starting point would downplay the longer-term warming trend.

While natural variability can hobble this type of analysis, as a rule, some scientists have been trying to turn it to their advantage, using it as a proxy for the longer-term warming of the planet.

Whether or not any particular fluctuation has an identifiable cause like the effects of ocean heat uptake or an El Nino-- is an interesting question, but a fluctuation is not a pause, and it is important to be clear that the recent fluctuation is not statistically anomalous compared with other fluctuations we have seen, relative to the longer-term warming trend.

The El Niño weather phenomenon contributed 0.1 to 0.2 degrees to the longer-term warming driven by carbon dioxide emissions.

Another group from universities in the U.K and Australia, as well has from Harvard, writing in the Bulletin of the American Meteorological Society, concluded: "We show that there are frequent fluctuations in the rate of warming around a longer-term warming trend, and that there is no evidence that identifies the recent period as unique or particularly unusual".