Sentences with phrase «warming trend over»

The study, led by James Hansen of NASA's Goddard Institute for Space Studies, N.Y., along with scientists from other organizations concludes that, because of a rapid warming trend over the past 30 years, the Earth is now reaching and passing through the warmest levels in the current interglacial period, which has lasted nearly 12,000 years.

We don't see much of a warming trend over the past 12 years.

Both temperature records show a warming trend over the last 10 years from 1998.

The global warming trend over the last 100 years (actually, from 1906 to 2005), of 0.56 °C to 0.92 °C, is not all that we would have expected.

-LCB- 9.4, Box 9.2 -RCB- • The observed reduction in surface warming trend over the period 1998 to 2012 as compared to the period 1951 to 2012, is due in roughly equal measure to a reduced trend in radiative forcing and a cooling contribution from natural internal variability, which includes a possible redistribution of heat within the ocean (medium confidence).

When you know that 1998 was largely a result of an el Nino event, the largest el Nino of the century (estimated to have added 0.2 C to the global annual temp for 1998), the warming trend over the entire 20 year series is clear.

So it is perfectly possible Goddard's chart is right even if the US is seeing a warming trend over the same period.

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.

My sense is we are about to embark on another rapid rise in the warming trend over the coming decade.

«I propose a robust definition for the length of the pause in the warming trend over the closing subsample of surface and lower tropospheric data sets.

What they say: «Models do not generally reproduce the observed reduction in surface warming trend over the last 10 — 15 years.»

The updated data shows a statistically significant global warming trend over the 1998 - 2012 period and the authors note that their results «do not support the notion of a «slowdown» in the increase of global surface temperature.»

The correlation between CO2 levels and anomalies is statistically significant, but that shouldn't be a surprise considering there's a statistically significant warming trend over time and CO2 levels have been increasing smoothly year on year.

Much is being made of: «Models do not generally reproduce the observed reduction in surface warming trend over the last 10 — 15 years.»

If you remove just the 1997 - 98 El Nino, and not the subsequent La Nina, you create the illusion of a fairly steady warming trend over the satellite era.

«There has been a strong warming trend over the past 30 years, a trend that has been shown to be due primarily to increasing greenhouse gases in the atmosphere,» Hansen said.

Yet the previous IPCC report says: «Here's AR4: «The linear warming trend over the 50 years from 1956 to 2005 (0.13 [0.10 to 0.16] °C per decade) is nearly twice that for the 100 years from 1906 to 2005.

«Our study shows that the rapid rise in west Greenland melt is a combination of specific weather patterns and an additional long - term warming trend over the last century.»

As the figure shows, there has been a strong warming trend over the past 30 years, a trend shown to be due primarily to increasing greenhouse gases in the atmosphere.

«The land — sea warming ratio in the ECHAM — HadISST holds also for the warming trend over the most recent decades, despite the fact that no anthropogenic radiative forcings are included in the simulations.

The linear warming trend over the last 50 years (0.13 °C [0.10 °C to 0.16 °C] per decade) is nearly twice that for the last 100 years.

Here we can clearly see both the long - term warming trend over the past 30 years, as well as the effect of El Niño events (the small jumps up) and their sister La Niña events (the small jumps down).

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 (Anderson, D.M. et al., 2013, Geophysical Research Letters, v. 40, p. 189 - 193; http://www.agu.org/journals/pip/gl/2012GL054271-pip.pdf).

Then the warming trend over the past 100 years is worse yet http://www.ncdc.noaa.gov/monitoring-references/faq/temperature-monitoring.php

Over the most recent 17 - year period, the BEST trend is 0.36 °C per decade *, clearly showing the anthropogenic warming trend over that period.

In fact, based on my own analysis of the raw data, I believe that the global warming trend over the 20th century is most likely real but is largely as a consequence of recovering from the Little Ice Age.

«There has been a strong warming trend over the past 30 years, a trend that has been shown to be due primarily to increasing greenhouse gases in the atmosphere,» said James Hansen of NASA's Goddard Institute for Space Studies.

For example, the IPCC claims that less than 10 % of the warming trend over land was due to urbanization.

More broadly, the panel examined other recent research comparing the pronounced warming trend over the last several decades with temperature shifts over the last 2,000 years.

The sun, in contrast, has not exhibited any warming trend over the past 50 years.

It has been suggested that the recent lull over the last 15 years makes it unlikely that the next 5 years will allow for a strong warming trend over 20 years.

Global environmental change explains the warming trend over the last decade, but it doesn't explain why the last two winters have set record lows in certain parts of America and Canada.

Hence the paper is not predicting cooling, but that this effect will mask of some of the warming, leading to a reduction in the warming trend over that scale.

Regardless of what references can be given to other sources, the data is right there now and does indeed show a statistically significant warming trend over that period.

[34] More specifically, the observed climate data show a significant moderation of the warming trend over the past two decades.

«the 1700 - present greenhouse gas forcing is more than double the 1700 - present solar forcing and hence the warming trend over that period in the model is driven mainly by GHGs.»

[Image: Because of a rapid warming trend over the past 30 years, the Earth is now reaching and passing through the warmest levels seen in the last 12,000 years.

The study concludes that, because of a rapid warming trend over the past 30 years, the Earth is now reaching and passing through the warmest levels in the current interglacial period, which has lasted nearly 12,000 years.

It appears that we are cresting the hill, with no warming trend over the past decade and a half.

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.

Over the continental USA (CONUS), satellites show a 0.24 °C per decade warming trend over the timeframe in question.

«Those natural climate variations could be stronger than the global - warming trend over the next 10 - year period,» Wood said in an interview.

The overall warming trend over the 20th century was 0.063 C / decade.

That the fit can be made tells that the data is consistent with an essentially constant warming trend over the whole period 1977 - 2012, while it doesn't prove it's constancy.

This 0.06 °C accounts for approximately 12 % of the warming trend over the timeframe in question.

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»

On the explanation of the observed reduction in the surface warming trend over the period 1998 - 2012, Saudi Arabia strongly urged incorporating language from the Technical Summary on models overestimating the warming trend.

As Figure 1 shows, the UAH warming trend over the past decade is indeed both positive and statistically significant once these three short - term effects are filtered out.

In comparison, the entire observed global warming trend over last centurey was about 0.6 °, regardless of how much of this might be attributed to AGW

Tung and Zhou repeat the analysis of Foster and Rahmstorf 2011 (PDF) in Figure 5 while also removing the AMO, and obtain an anthropogenic warming trend over the last 33 years of 0.07 °C / decade, less than half of Foster and Rahmstorf's 0.17 °C / decade.