Sentences with phrase «slight warming over»

And such slight warming over next few decades, will cause animal extinction, and will melt Greenland in some dramatic fashion, and will continue cause increase in crop production and a general increase in global vegetation.

Not exact matches

The findings show a slight but notable increase in that average temperature, putting a dent in the idea that global warming has slowed over the past 15 years, a trend highlighted in the most recent Intergovernmental Panel on Climate Change report.

It is important to recognize that the widely - cited «Antarctic cooling» appears, from the limited data available, to be restricted only to the last two decades, and that averaged over the last 40 years, there has been a slight warming (e.g. Bertler et al. 2004.

Even using the ACRIM data, the warming trend is so slight, it is insufficient to explain the steep warming over the past 35 years.

Restricting their analysis to 1969 to 2000, a period for which other studies have found a net cooling trend, Steig's study found slight cooling in east Antarctica, but net warming over west Antarctica.

It also doesn't help when you can go to climate4you.com and see a 350 year chart from central England showing a long slight warming trend, with no significant deviations, over the time span.

Perhaps the slight warming we've seen over the last 100 years is attributable to all the forests that have been cleared all over the world rather than CO2.

«We show that the climate over the 21st century can and likely will produce periods of a decade or two where the globally averaged surface air temperature shows no trend or even slight cooling in the presence of longer - term warming,» the paper says, adding that, «It is easy to «cherry pick» a period to reinforce a point of view.»

Interestingly, the paper «Climate Trends and Global food production since 1980» (Lobell, Schlenker, Costa - Roberts, in Sciencexpress, 5 May, Science 1204531) confirms my finding of the absence of climate change in the USA: «A notable exception to the [global] warming pattern is the United States, which produces c. 40 % of global maize and soybean and experienced a slight cooling over the period... the country with largest overall share of crop production (United States) showed no [adverse] effect due to the lack of significant climate trends».

Based on this, the longer term planning should probably be based (from the available evidence) on an assumption of a measurable increase in temperature over the next 15 - 20 years, with the uncertainty being in the range «slight cooling» to «significant warming».

PRINCETON, NJ — The slight upward trend in Americans» concern about global warming over the past decade masks a more significant trend: the growing gap between Republicans and Democrats over global warming.

There's been no surface warming for over 15 years and slight cooling over the last decade.

And in terms of our current interglacial period, there has much warmer periods during this time, and that the long trend over 8000 year period has been a slight cooling.

So despite over a century of a CO2 - induced warming effect, these other factors helped mitigate this warming effect from about the 1940s to 1970s, resulting in slight global cooling.

«In fact, as NASA's Dr Gavin Schmidt has pointed out, the IPCC's implied best guess was that humans were responsible for around 110 % of observed warming (ranging from 72 % to 146 %), with natural factors in isolation leading to a slight cooling over the past 50 years.»

In over 6,000 words it covers a wide range of reasons why carbon dioxide can have no warming effect and only a slight cooling effect.

I've already analysed trends and predicted slight cooling till 2028, then 30 years of warming, but long - term (500 years) of cooling starting in about 50 to 200 years from now, such as from the MWP to the LIA — about 2.5 degrees in total over 500 years.

There was no warming or even a slight cooling over the second half of the 19C and between (roughly) 1940 and 1975, those would seem to me to be long enough periods to say that the previous upward tends had come to an end.

Here are some additional linear regressions for some of the oldest data sets in the world - all show the same slight warming trend over centuries and climate variability.

It's not really about evidence so much, it's more about an actual scientific proof that humans are the main cause of the slight warming that has happened in this world over the last 100 years or so.

One year of the second decade has already expired, with again no warming (in fact slight cooling), so it will take a rate of a bit more that 0.4 C per decade over the next 9 years to arrive at the forecast level averaged over both decades.

My general line is this: For the last century, we've had ever - so - slight warming trends and ever - so - slight cooling trends every 30 years or so, and I don't think either are anything worth collapsing the global economy over.

But floods eventually return to the sea and the continued rise in sea level over the last ten years is a difficult datum to square with claims of no warming or slight cooling over the last decade.

Aubry notes that while the planet continues to warm, scientists have observed a slight decline in the rate of global warming over the last 10 to 15 years.

These simulations yield little warming, or even a slight cooling, over the 20th century.

This difference in coverage may help explain the slight divergences in series over time, especially given that the Arctic has been warming faster than the rest of the globe.

Professor Mark Steyn just over five years ago:... «If you mean the argument on «global warming,» my general line is this: For the last century, we've had ever - so - slight warming trends and ever - so - slight cooling trends every 30 years or so, and I don't think either are anything worth collapsing the global economy over... «Then from 1940 to 1970 there was a slight cooling trend.

They were poor in forecasting (or «projecting») decadal warming: 0.2 C per decade (AR4) or 0.15 to 0.3 C per decade (TAR), compared to an actually observed slight cooling over the most recent decade.

mehus @ 19 - I believe that paper is actually discussing the lack of warming higher in the atmosphere, but it could also explain the slight slowdown in ocean warming over the past few years.

Regarding clouds, recent trends suggest a slight decline in total cloud cover over several decades, due to a reduction in low clouds, which exert a net cooling influence, while high cirrus clouds, which are net warmers, have remained relatively constant.

Brenty - The increased level of atmospheric sulfate aerosols from tropical volcanoes over the last decade, blocked sunlight reaching the Earth's surface, which has contributed to a very slight reduction in warming.

For example, atmospheric GCM simulations driven by reconstructed SSTs from the Pliocene Research Interpretations and Synoptic Mapping Group (Dowsett et al., 1996; Dowsett et al., 2005) produced winter surface air temperature warming of 10 °C to 20 °C at high northern latitudes with 5 °C to 10 °C increases over the northern North Atlantic (~ 60 ° N), whereas there was essentially no tropical surface air temperature change (or even slight cooling)(Chandler et al., 1994; Sloan et al., 1996; Haywood et al., 2000, Jiang et al., 2005).

This makes for slight differences in their global average temps year to year, but they are ALL showing a clear warming trend over many decades.

Easterling and Wehner (2009) showed that «the climate over the 21st century can and likely will produce periods of a decade or two where the globally averaged surface air temperature shows no trend or even slight cooling in the presence of longer - term warming.»

3) JeffId commented that due to the statistical methods utilized and lack of data, the slight warming shown is probably STILL an over estimation.

So atmospheric warming will likely lead to a slight increase in snowfall over Antarctica, adding to the mass of the ice sheet.

We have seen a total linear warming of 0.041 C per decade or 0.66 C over the entire 160 - year HadCRUT record (this has occurred in 3 statistically indistinguishable 30 - year warming cycles, with 30 - year cycles of slight cooling in between, as Girma has shown us graphically).

But just as one warm day in October does not negate a cooling trend toward winter, a slight annual gain in sea ice extent over a record low does not negate the long - term decline.

You selectively quote Prof. Lindzen with regard to the validity of the M+D findings of slight increase of SH over the tropics with warming, but you fail to mention that Lindzen does not at all support the premise of a strong WV feedback, and that this is certainly not the reason for his doubts concerning M+D.