Sentences with phrase «induced by natural variability»

Not exact matches

We have developed an approach to quantify chemical loss of ozone and to seperate it from the natural variability induced by transport.

We have developed an approach to quantify chemical loss of ozone and to seperate it from the natural variability induced by transport.

In 1990, two years after NASA scientist James E. Hansen issued his now famous warning about climate change during a congressional hearing, Lindzen started taking a publicly contrarian stance when he challenged then - senator Gore by suggesting in the Bulletin of the American Meteorological Society that the case for human - induced global warming was overstated and that natural climate variability could explain things just as easily.

Our results suggest that the decadal AO and multidecadal LFO drive large amplitude natural variability in the Arctic making detection of possible long - term trends induced by greenhouse gas warming most difficult.

Let's be charitable and say that the Sierra vegetation is responding favorably to all kinds of climate change, whether induced by humans or natural variability.

The natural climate variability induced by the low - frequency variability of the ocean circulation is but one of the causes of uncertainties in climate projections.

On shorter times scales you tend to see the stair - step progression caused by natural variability (primarily the El Niñ0 / La Niña cycles) rather than the linear trend caused by human - induced changes to the atmosphere.

Regional circulation patterns have significantly changed in recent years.2 For example, changes in the Arctic Oscillation can not be explained by natural variation and it has been suggested that they are broadly consistent with the expected influence of human - induced climate change.3 The signature of global warming has also been identified in recent changes in the Pacific Decadal Oscillation, a pattern of variability in sea surface temperatures in the northern Pacific Ocean.4

There is no indication of any slowdown or acceleration of global warming, beyond the variability induced by these known natural factors.»

I asked Dr. Mann about the European cold spell as well at a different venue, and his initial thinking was that the event was not «global warming induced» (instead brought on by natural variability), but then left open the idea that it would be, because of what Rahmstorf was saying regarding the loss of sea ice.

The most obvious reading of the IPCC's new version is that natural variability and climate change might reduce average annual yields by up to 50 %, but changes induced by two effects on yields from bad years are not the same as changes induced by one effect on yields averaged for both good and bad years.