Sentences with phrase «term cooling trends»

Now, the long - term cooling trends somewhat homogeneously mixed with warming trends, that is a fascinating question.

Figure 1: Short - term cooling trends from Jan»70 to Nov» 77, Nov»77 to Nov» 86, Sep»87 to Nov» 96, Mar»97 to Oct» 02, and Oct»02 to Dec»11 (blue) vs. the 42 - year warming trend (Jan»70 to Dec» 11; red) using NOAA NCDC land - ocean data.

You do realize I hope that there have always been periods of warming during long term cooling trends.

Secondly, through the copious use of station weather data, a number of single station records with long term cooling trends are shown.

The early 80's and early 90's both display short term cooling trends.

James Zachos at the University of California, Santa Cruz, and colleagues, have shown that the Earth has been on a long - term cooling trend for the past 65 million years (Science, vol 292, p 686).

The planet entered a long - term cooling trend.

We would be in a long - term cooling trend.

The fact that the observed long term trend shows warming strongly suggests that there isn't an underlying long term cooling trend and the overall warming is unlikely to be due to natural variability.

When the sun shows a long term cooling trend, solar cycle length is longer.

This means that, in the last 100 years, the Earth's temperature has reversed a long - term cooling trend that began around 5000 years ago to become near the warmest temperatures during the last 11,000 years.

And when the Gore Minimum brings another short term cooling trend, how do you propose explaining that so people understand the difference between short term cooling, long term warming, and the need to do something?

Recent research has indicated Antarctica is on a long - term cooling trend, for reasons which remain unclear.

The long - term cooling trend was only slight, between about 0.1 and 0.3 °C per 1000 years, depending on the region.

With a long - term cooling trend I'd expect the opposite.

In particular, the characters visit Punta Arenas (at the tip of South America), where (very pleasingly to my host institution) they have the GISTEMP station record posted on the wall which shows a long - term cooling trend (although slight warming since the 1970's).

Global temperature, therefore, has risen from near the coldest to the warmest levels of the Holocene within the past century, reversing the long - term cooling trend that began ~ 5000 yr B.P.

Researchers studying tree - ring data from living trees and dead trunks preserved in lakes in Finnish Lapland found a much longer - term cooling trend over the past 2,000 years than previously understood.

The reconstruction also «reveals a long - term cooling trend of -0.31 °C per 1,000 years (± 0:03 °C) over the 138 B.C. - A.D. 1900 period...» This trend is not reflected in tree ring width data from «the same temperature - sensitive trees.»

Does the pause signal a longer - term halt to global warming or even a long - term cooling trend?

Marcott paper Basically the folks at RC have probably made poor ol Marcott respond that the uptick did not matter anyway its not important, significant, robust etc don't rely on it just forget about it please etc but unfortunately for them as Ross MC on Realclimate reply, at CA says «But that is precisely what they do in Figure 3 of their paper, and it is the basis of their claim that «Global temperature, therefore, has risen from near the coldest to the warmest levels of the Holocene within the past century, reversing the long - term cooling trend that began ~ 5000 yr B.P.» Without the uptick in their proxy reconstruction this kind of statement could never have been made.

- Notice how the planet has been in a long - term cooling trend for the past 50 million years (that's what we should be concerned about).

To make it clearer, some / many believe that the earth is in a long term cooling trend that will have short term fluctuations that will result in warming.

The few degrees of global temperature rise since the depths of the Pleistocene glaciation (say 18,000 ybp) can be seen as a short - term reversal of a long - term cooling trend.

«As the Earth's orientation changed, Northern Hemisphere summers became cooler, and we should now be near the bottom of this long - term cooling trend — but obviously, we're not.»

The most coherent feature in nearly all of the regional temperature reconstructions is a long - term cooling trend, which ended late in the nineteenth century.

They believe that the additional CO2 may result in a change or lessening of the long term cooling trend.

In fact, we should be more alarmed if this jump has managed to reverse a long term cooling trend.

The long term cooling trend of the Holocene since the Climatic Optimum (aka the Holocene Optimum) was an established fact even before alarmist lame brains tried to hijack climate science and turn it into a cult.

The long term cooling trend is exactly as expected, due to the termination of the last interglacial.

Furthermore, see the following for an alternative account, where recent modern temperatures were warmer than the vast majority of the Holocene, reversing a long - term cooling trend: «A Reconstruction of Regional and Global Temperature for the Past 11,300 Years»

Human activity has caused a significant long - term cooling trend -LRB--0.35 °C between the 1940s and 2009) and higher rainfall totals via the mechanism of «agricultural intensification» — a photosynthesis - associated increase in the air's water vapor or humidity levels due to an explosive (400 %) increase in crop production and yield since the 1940s.

Bottom line: 1) Their complaints were about his original graph, which had a long term cooling trend.

Switched from long term cooling trend to long term warming trend — in just 1 year!

Speculation that we may have entered a solar - driven long - term cooling trend must be dismissed as a pipe - dream.»

And some of these shading changes could actual reduce the bias over time, resulting in a long - term cooling trend.

Another recent analysis reveals that West Antarctica — the region that Mercer maintained would rapidly melt and contribute 5 meters to sea level rise — has undergone the «strongest» long - term cooling trend of any region in the Antarctic.

By contrast, all of the rural stations show a long term cooling trend, with some recent warming.

This will be even more so in future because it is more likely than not that the earth has already entered a long term cooling trend following the recent temperature peak in the quasi-millennial solar driven periodicity.

But that is precisely what they do in Figure 3 of their paper, and it is the basis of their claim that «Global temperature, therefore, has risen from near the coldest to the warmest levels of the Holocene within the past century, reversing the long - term cooling trend that began ~ 5000 yr B.P.» Without the uptick in their proxy reconstruction this kind of statement could never have been made.

They found that global temperatures fluctuated in specific regional patterns but that all regions except Antarctica saw a long - term cooling trend followed by significant warming in the past 30 years.

Their summary statement is: «Global temperature, therefore, has risen from near the coldest to the warmest levels of the Holocene within the past century, reversing the long - term cooling trend that began ~ 5000 yr B.P.»

The cyclic solar effects are superposed on a long - term cooling trend.

It does seem that the long - term cooling trend underlying the glacial / interglacial cycling flattened out at about the time that the 41 - to - 100 kyr shift occurred.

Temperatures at old Brisbane aero (the closest of these stations), also shows a long - term cooling trend.

Human activity has caused a significant long - term cooling trend -LRB--0.35 °C between -LSB-...]

Not exact matches

We notice a short stretch of cool days and ignore the long - term global - warming trend.

Models suggest that it is perfectly possible for a decade or two of cooling to occur even when there is a long - term warming trend.

These phenomena warm or cool the tropical Pacific and are thought to have played a role in the flattening of the long - term warming trend over the past 15 years.

So the report notes that the current «pause» in new global average temperature records since 1998 — a year that saw the second strongest El Nino on record and shattered warming records — does not reflect the long - term trend and may be explained by the oceans absorbing the majority of the extra heat trapped by greenhouse gases as well as the cooling contributions of volcanic eruptions.