Sentences with phrase «earlier warm period»

The warm period in recent years differs qualitatively from the earlier warm period centered around 1940; the earlier warming was focused at high northern latitudes, while the recent warming is more global.»

However, the recent warming appears to have followed a period of global cooling from an earlier warm period which ended in the 1940s.

If the earlier warm period was comparable to the recent warm period, then claims that recent global temperature trends are unprecedented or unusual will need to be re-evaluated.

Some of the studies suggested that the Current Warm Period is dramatically warmer than the earlier warm period, which has led many people to believe that recent global warming is man - made (and due to CO2).

This makes the recent warm period seem much hotter than the earlier warm period.

This expected large sea - level rise does of course not surprise us paleoclimatologists, given that in earlier warm periods of Earth's history sea level has been many meters higher than now due to the diminished continental ice cover (see the recent review by Dutton et al. 2015 in Science).

We are now working to go beyond GSL estimates, to the budgeting of ice loss during the LIG and earlier warm periods.

Just a quick note to say that the paleoclimate data for earlier warm periods 125,000 years ago and even 8 - 10,000 years ago in northern Alaska (paleoclimate warmer than now, [from] different forcings) document the northward advance of the treeline from Nome to Barrow, Alaska, and the Canadian border at different times of change in Earth's orbital parameters (without a significant change in CO2).

The earlier warming period also ended with a large El Nino event.

You are also cherry picking a few papers on the early warming period solar irradiance levels and correlations, so get a false impression on what its about.

The first thing you'll notice is that the warming trend in the Arctic was greater during the earlier warming period than the latter.

The first problem is that most of the indicators have records that are too short to compare the recent warm period to the earlier warm periods, i.e., they don't start until after the 1930s - 1940s warm period.

But, none of them actually covered a long enough time period to compare the recent warm period to the earlier warm periods, such as the 1930s - 1940s warm period.

No matter whether the late 20th century warming was in any way different from earlier warming periods, it fell on PREPARED GROUND — there were already flocks of alarmists in waiting!

Lets take a look at the early warming period, from 1910 - 1940.

It's the GISP2 curve itself (not an Easterbrook rehash) that tells us we are still below the MWP warming today and well below that of the Roman Optimum and earlier warm periods.

If the fossil remains had been exposed during earlier warm periods they would most likely have decomposed, depending on the duration of the warm period of course.

Note: The highest trend in the later epoch of the GISS - based «change data» is about 5 % higher than the highest trend in the earlier warming period.

IPCC referred to it as «a widely acknowledged «climate shift» (e.g. Trenberth, 1990)», and, indeed, it did look like an upward shift (which lasted 30 years, like the earlier warming period, which started in 1910 (before much human GHG).

But, he argues that the existence of earlier warm periods (such as the «Medieval Warm Period») does not in itself disprove man - made global warming:

Strangely, and probably on purpose, the ZDF documentary focusses only on Europe for its look at the Medieval Warm Period, and presents no examples of it occurring at other locations on the globe — as it did for the earlier warm periods.

However, as experts who were denied participation in the IPCC process began to examine what was said they identified earlier warmer periods, especially the Medieval Warm Period (MWP), and more rapid temperature increases.

Earlier warm periods were not a threat in the first reports of the Intergovernmental Panel on Climate Change (IPCC).

However, there have been other studies in both the Swiss and Austrian alps (e.g. Schlüchter, Patzelt), which have found carbon - dated remains of trees under receding glaciers, supporting the conclusion that the glacial extent during the Roman Warm Period and the MWP (as well as during earlier warm periods) was less than today.

The researchers used data on earlier warm periods in Earth's history to estimate climate impacts as a function of global temperature, climate models to simulate global warming, and satellite data to verify ongoing changes.

Solar forcing for the early warming period is not at all agreed upon.

Our SI Text shows maps of temperature anomalies for 6 y with the greatest «hot» area (1931, 1934, 1936, 1941, 1947, 1953) in that early warm period.

Not exact matches

Pollens, released into the air by flowering plants, trees, and grasses, appear earlier and for a longer period of time under warmer conditions?.

In a paper published in Geophysical Research Letters, researchers found that interactions between methane, carbon dioxide and hydrogen in the early Martian atmosphere may have created warm periods when the planet could support liquid water on the surface.

If the onset of maturity comes earlier in the season, it means that grapes ripen during a warmer period — affecting sugar levels, aromas and flavors and changing the unique identity that connoisseurs look for in regional wines.

Over the last decade, rock avalanches and landslides have become more common in high mountain ranges, apparently coinciding with the increase in exceptionally warm periods (see «Early signs»).

DeConto and Pollard's study was motivated by reconstructions of sea level rise during past warm periods including the previous inter-glacial (around 125,000 years ago) and earlier warm intervals like the Pliocene (around 3 million years ago).

And they note that freezing to death could be a danger if early - spring warming periods, followed by cold snaps, become common — something they observed in the spring of 2012.

As a engineering doctorate (with an early minor in history), I was dumbfounded by the lack of the Medieval Warm Period — the warm period had a huge influence on warfare, and the following cold period broke the back of the hold of the church in EuropeWarm Period — the warm period had a huge influence on warfare, and the following cold period broke the back of the hold of the church in EuroPeriod — the warm period had a huge influence on warfare, and the following cold period broke the back of the hold of the church in Europewarm period had a huge influence on warfare, and the following cold period broke the back of the hold of the church in Europeriod had a huge influence on warfare, and the following cold period broke the back of the hold of the church in Europeriod broke the back of the hold of the church in Europe....

According to the study, published in the Journal of Vertebrate Paleontology on Tuesday, after the dinosaurs died out 66 million years ago, the Earth experienced an extremely warm period called the Early Eocene about 53 million to 50 million years ago, during which period, North American mammal communities were quite distinct from the ones that exist today.

William M. Gray wrote... I judge our present global ocean circulation to be similar to that of the period of the early 1940s when the globe had shown great warming since 1910, and there was concern as to whether this 1910 - 1940 global warming would continue.

In the paper Gray makes many extravagant claims about how supposed changes in the THC accounted for various 20th century climate changes («I judge our present global ocean circulation conditions to be similar to that of the period of the early 1940s when the globe had shown great warming since 1910, and there was concern as to whether this 1910 - 1940 global warming would continue.

Extratropical centennial - resolution records therefore provide evidence for local multi-centennial periods warmer than the last decades by up to several degrees in the early to mid-Holocene.

He said that using an earlier baseline period would have better captured all the warming that has occurred, as there was some small amount already in the late 19th century.

This warm phase had begun in the Cretaceous period, peaked in the early Eocene, and continued to the end of the Eocene, when global temperatures dropped and ice sheets formed over the Antarctic.

«Those eruptions happened relatively early in our study period, which pushed down temperatures in the first part of the dataset, which caused the overall record to show an exaggerated warming trend,» Christy said.

This concatenation, which has global temperature 13.9 °C in the base period 1951 — 1980, has the first decade of the 21st century slightly (∼ 0.1 °C) warmer than the early Holocene maximum.

I don't like so much winter season (and here in Rome it's even often pretty warm, sunny and nice...), except for Xmas period, I don't like cold weather and chill wind (especially in the early morning when I d my daily running session), and above all I don't like to wear too much and heavy clothes!

The build - up to the event begins in November with punters seeking the early value in the betting markets and keeping a close eye on a number of warm - up races throughout the festive period.

This is a vision more befitting our time, one that does not look back to a heavy industry, carbon polluting economy, now infeasible as it imperils a warming planet and can not be remade in a globally competitive market unlike the period prior to global trade liberalization of the early 1970s.

During those periods, school bus drivers come in early to warm the buses, and students are encouraged to wait inside whenever possible until the buses come, or to sit in cars at the bus stops until the bus arrives, he said.

On the other end of the summer, we will occasionally get a warm spell in late September or early October, so the November pill works backwards and takes care of that time period.

This remarkable little dinosaur lived in the Early Cretaceous period — and was likely to have been warm - blooded.

116, G01010, 13 PP., 2011 doi: 10.1029 / 2010JG001300 Marine methane cycle simulations for the period of early global warming http://www.agu.org/pubs/crossref/2011/2010JG001300.shtml

No one on either side of the fence, aside from a few crackpots, denies that the world is now warmer than it's been for a very long time — at least since the Medieval Warm Period and possibly earlier.