Sentences with phrase «recent warming trend»

The main claim [2] by the authors that they have uncovered a significant recent warming trend is dubious.

While the northern group showed significant divergence after the 1960s, the southern group was consistent with recent warming trends.

While Yahtse Glacier may be ignoring climate signals for now, Larsen and his colleagues aren't about to discount the impact of recent warming trends entirely.

Observant readers will have noticed a renewed assault upon the meteorological station data that underpin some conclusions about recent warming trends.

From the beginning, many of the complaints about Mann's work were more about how it was appropriated by others than the research itself; the first paper of his identifying a «hockey stick» pattern to temperatures over the last millennium, in 1999, was laced with caveats in describing the distinct sharp recent warming trend.

The case of Quelccaya, in the Andes, is especially interesting, because it provides direct evidence of an unusual recent warming trend.

** In a previous blog post I have detailed the extent to which recent warming trends are likely to be exaggerated by the change from mercury thermometers to electronic probes — this is also something that could and should have been investigate by Mr Brissenden.

While this might seem like a good thing, considering global warming, the cooling would far outpace recent warming trends.

Changed caption in DM article: «Although they are offset in temperature by 0.12 °C due to different analysis techniques, they reveal that NOAA has been adjusted and so shows a steeper recent warming trend.»

But, with recent warming trends, those mosquitoes are now being reported at 1,240 meters in Costa Rica and 2,200 meters in Colombia.

Observant readers will have noticed a renewed assault upon the meteorological station data that underpin some conclusions about recent warming trends.

Unfortunately, neither the sun nor other natural cycles can entirely explain the recent warming trend that has brought potatoes back to coastal Greenland.

2) Three years ago, I tried to get a handle on whether UHI was responsible for the recent warming trend in most of the temperature datasets by comparing the trends for the UAH / MSU 2LT channel and the Jones et al. surface data for some of the world's «empty places».

Since individual clouds have a life time of hours, and the CRF - interpretation involves changes in the reflected light as well as ionisation, a climatic response from change in CRF is hypothetically almost instantaneous, and it is a challenge to explain why the night side (where there is no sunlight and hence reflection can not play a role) warms more strongly than the dayside, if the CRF were to drive the recent warming trend.

It seems that attacks on the validity of the surface temperature record as an attempt to cast doubt on the recent warming trend would have been a bit more convincing back in the day when there were competing satellite temperature records that suggested a cooling trend.

Curiously enough, it comes just as the IPCC AR4 report declared that the recent warming trends are «unequivocal», and when even Richard Lindzen has accepted that globe has in fact warmed over the last century.

«The main claim by the authors that they have uncovered a significant recent warming trend is dubious,» said the statement, attributed to three contrarian climate scientists: Richard S. Lindzen, Patrick J. Michaels and Paul C. Knappenberger.

But recent warming trends can not be explained by natural causes / forcings alone.

Figure 8a demonstrates and amplifies the conundrum of the recent warming trend compared to long - term trends and to reconstructions.

Curiously enough, it comes just as the IPCC AR4 report declared that the recent warming trends are «unequivocal», and when even Richard Lindzen has accepted that globe has in fact warmed over the last century.

It seems that attacks on the validity of the surface temperature record as an attempt to cast doubt on the recent warming trend would have been a bit more convincing back in the day when there were competing satellite temperature records that suggested a cooling trend.

Your first point beginning «The first set of comments relate to the attribution of the recent warming trend to increasing CO2...» seems to me to be something that Crichton would agree with.

Since individual clouds have a life time of hours, and the CRF - interpretation involves changes in the reflected light as well as ionisation, a climatic response from change in CRF is hypothetically almost instantaneous, and it is a challenge to explain why the night side (where there is no sunlight and hence reflection can not play a role) warms more strongly than the dayside, if the CRF were to drive the recent warming trend.

Here we analyze a series of climate model experiments along with observational data to show that the recent warming trend in Atlantic sea surface temperature and the corresponding trans - basin displacements of the main atmospheric pressure centers were key drivers of the observed Walker circulation intensification, eastern Pacific cooling, North American rainfall trends and western Pacific sea - level rise.

From time to time, there is discussion about whether the recent warming trend is due just to chance.

The first set of comments relate to the attribution of the recent warming trend to increasing CO2.

Six years ago, the authors calculated a 66 percent chance that we were behind the recent warming trend; today they peg it at more than 90 percent.

They used a number of climate models and made a «moderate estimate» of future emissions of carbon dioxide and other greenhouse gases that are widely believed to be contributing to the recent warming trend of the Earth's climate.

This coincided with the start of a recent warming trend in the Arctic.

For climate science it means that the Hockey Team climatologists» insistence that human - emitted CO2 is the only thing that could account for the recent warming trend is probably poppycock.

The recent warming trend began around 1993 and includes a couple of big El Ninos.