Sentences with phrase «general warming trends»

Now however, there are honest unknowns with the models and how they (slightly) mismatch histoical records... but they are accounted for in the big scheme of things... more work needs to be done... but it does not invalidate what the models are saying for general warming trends... unbrella anyone?
«Such decadal climate fluctuations are superimposed on the general warming trend, so that at times it seems as if the warming trend slowed or even stopped.
If so, it may even help slow — but not stop — the progression of the climate's general warming trend.
What follows is that the likelihood of 3 sigma + temperature events (defined using the 1951 - 1980 baseline mean and sigma) has increased by such a striking amount that attribution to the general warming trend is practically assured.
«According to a 1972 article in the Christian Science Monitor, Belchen asserted that «a general warming trend over the North Pole is melting the polar ice cap and may produce an ice - free Arctic Ocean by the year 2000 ″»
PS There are individual locations today, which are not warming, despite the general warming trend; no doubt this was the same during the MWP.
If there is a general warming trend due to other factors this sinusoid will, together with random variations, be superimposed on that linear rise.
He made the point well that much of the argument about climate consists of the scientists having to refute claims made by sceptics based on minutiae without regard for the bigger picture (2008 being colder than 1998 despite the general warming trend, or corrections upwards to the temperature of a single Tasmanian weather station despite the fact overall there was no bias).
Improving each aspect of climate analysis is essential, many experts say, if the country is to move from pondering what to do about a general warming trend to considering consequences for particular regions and the likely impact on agriculture, ecosystems and water supplies.
If so, it may even help slow — but not stop — the progression of the climate's general warming trend.
The record is 133 years long and with a general warming trend.
The general warming trend is 0.2 C per decade but El Nino could superimpose higher temperatures.
Similarly the other extended instrumental records of this time — from cities - which illustrates a general warming trend throughout much of their history, incorporated within this article referenced below, may also not be representative of the general NH extended cooling trend that Dr Mann identified as lasting for 900 years until the start of the 20th Century.
Human fossil fuel use is also behind a general warming trend in the oceans observed over the past 50 years that increases the resistance to CO2 uptake.
Several analyses of ring width and ring density chronologies, with otherwise well - established sensitivity to temperature, have shown that they do not emulate the general warming trend evident in instrumental temperature records over recent decades, although they do track the warming that occurred during the early part of the 20th century and they continue to maintain a good correlation with observed temperatures over the full instrumental period at the interannual time scale (Briffa et al., 2004; D'Arrigo, 2006).

Not exact matches

With documented warmer air temperatures in eastern Canada since the 1970s, there has been a trend of earlier ice melting and less ice in general, explained Lavery.
These fluctuations superimpose the general global warming trend since the beginning of industrialization and thus complicate the accurate determination of human influence on the climate.
Professor Kug notes that further research is needed to obtain a general conclusion on the matter, but this research delivers important implications for climate adaptation because the analysis shows that if current warming trends continue, it is feasible to conclude that the ecosystems in regions affected by the anomalous climate will suffer greater damages due to the cold and dry spells.
At least half of current vegetated areas are predicted to shift to a different type of vegetation class, with a general trend of now - present grasses and small shrubs yielding to larger shrubs and trees as the climate warms, the scientists said.
Our general circulation model simulations, which take into account the recently observed widespread occurrence of vertically extended atmospheric brown clouds over the Indian Ocean and Asia3, suggest that atmospheric brown clouds contribute as much as the recent increase in anthropogenic greenhouse gases to regional lower atmospheric warming trends.
It appears that the climate changes according to a repeating 60 year or so pattern with 30 years of general warming and 30 years of general cooling, this pattern superimposed, we hope, on a very slow longer term warming trend.
Even if the study were right... (which it is not) mainstream scientists use * three * methods to predict a global warming trend... not just climate computer models (which stand up extremely well for general projections by the way) under world - wide scrutiny... and have for all intents and purposes already correctly predicted the future -(Hansen 1988 in front of Congress and Pinatubo).
Is this not the general trend from 1900, and considered a reflection of natural warming coming out of the LIA?
Firstly, models do indeed predict polar amplification (particularly in the Arctic and particularly in winter) of global warming trends (see our previous piece on this concept) in general.
The first issue is that because of the large heat capacity of the southern oceans, warming trends are in general going to be smaller than in the northern hemisphere.
I know in general terms that the hydrological cycle should intensify with warming and that one event is hard to pin on climate change, but it would be good to do a catch up on how the broad trend of extreme weather fits the models.
In these, despite the various minor ups and downs, the general trend is down until about 1850 CE when anthropogenic effects really started lifting the temperature, following the excess global warming (so - called greenhouse) gases.
For example, the general temperature trend of the last 140 years was warming, but the trend of the last 1,000 years was cooling.
Our general circulation model simulations, which take into account the recently observed widespread occurrence of vertically extended atmospheric brown clouds over the Indian Ocean and Asia, suggest that atmospheric brown clouds contribute as much as the recent increase in anthropogenic greenhouse gases to regional lower atmospheric warming trends.
At the same time, drying and warming trends were associated with alluviation of streams and general desiccation in southern Europe and North Africa.
sea ice, arctic, antarctic, climate change, global warming, general linear model, dummy variable, regression, deseasonalized trend, trend analysis
This finding, though based on uncertain reconstructions of past ENSO behaviour, is entirely independent of previous analyses confined to the restricted instrumental climate record...... such a trend would seem consistent with the response to the general increase in explosive volcanism during the fifteenth — nineteenth centuries in conjunction with reduced solar irradiance that is responsible for the millennial cooling trend of Northern Hemisphere mean temperature before modern anthropogenic warming.
tropical cyclones, climate change, global warming, extreme weather, hurricanes, typhoons, trend analysis, general linear model, applied statistics, accumulated cyclone energy, ACE index, cyclone activity, trend analysis
Although not part of our study, high - resolution paleoclimate data from the past ~ 130 years have been compiled from various geological archives, and confirm the general features of warming trend over this time interval»
Among the aspects of that variation that we can isolate are probably factors that have produced a general «global» warming trend since the deepest part of the «Little Ice Age», long before any «mainstream» estimate of anthropogenic changes to pCO2 would have been significant.
A general acknowledgement that it has not warmed significantly over a period of over a decade, despite the fact that human CO2 emissions have continued unabated, but that this trend is too short to be statistically significant.
David Rose or his editors conflated what can be said about a statistically irrelevant warming trend and global warming in general.
R GATES Yes, I can appreciate that sometimes the oceans may not be warming in line with the general longer trend.
Likewise, general trends toward higher annual maximum daily rainfall are consistent with an overall rise in atmospheric moisture associated with warmer air (7 ⇓ — 9).
With the climate, we see general cooling trends, with occasional (but not periodic) sudden warming, with lots of noise in between.
Because of the poor quality of data in general and the obligatory smearing of the nether regions, the much lower average temperature / energy is of the highest northern latitudes and land areas above 30N have their own erratic warming trend.
Your obsession with making global warming conform to a linear trend is noted, even if the instrumental record is better described by alternating warming and cooling stages with a general upward trend.
Serreze and colleagues looked at time series of the date of retreat and advance in which linear trends related to general warming were removed.
Short - term effects and external factors make it possible to have «cooler» periods in regions even as the general trend of warming continues.
Finds that, in general, the indices based on minimum temperature show stronger warming trends than indices calculated from maximum temperature
Hence, even if there is not warming for a few years because of natural variability, one would still expect a general trend toward the ice continuing to melt (although there will also obviously be variability from year to year... i.e., it will not be monotonic).
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.
If you're talking about a change in the rate, trend of warming, or even just say that «warming has slowed» in the context of the general discussion about global temperature records, you are implying something about a change in trend.
I would really like to see an analysis of how CO2 was supposed to have continued the warming against the break in the general trend from the 80s to 1998.
And the evidence (Akasufo, the general warming since the LIA) says that the trend of the last few centuries is more like 0.5 °C / decade.
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