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Topic: Eemian interglacial era


  
  Ice age - Biocrawler   (Site not responding. Last check: 2007-10-20)
The colder periods are called 'glacial periods', the warmer periods 'interglacials', such as the Eemian interglacial era.
The complex pattern of changes in Earth's orbit and the change of albedo may influence the occurrence of glacial and interglacial phases — this was first explained by the theory of Milutin Milankovic.
In particular, during the last 800 thousand years the dominant inter/glacial oscillation has been 100 thousand years, which corresponds to changes in Earth's eccentricity and orbital inclination, and yet is by far the weakest of the three frequencies predicted by Milankovic.
www.biocrawler.com /encyclopedia/Ice_age   (2171 words)

  
 Eemian interglacial - Encyclopedia, History, Geography and Biography
The Eemian interglacial era (known as the Sangamon interglacial in North America, the Ipswichian interglacial in the UK, and the Riss-Würm interglacial in the Alps) is the second-to-latest interglacial era of the Ice Age.
The Eemian climate is believed to have been about as stable as the Holocene (see ice core), except that it may have been warmer than the Holocene.
The era quickly cooled to conditions cooler and drier than the present, and by 114,000 years ago, a glacial era had returned.
www.arikah.net /encyclopedia/Eemian   (581 words)

  
 ooBdoo
This was followed by the Little Ice Age, from the 13th or 14th Century to the mid 19th Century, which was a period of significant cooling, though not as severe as previous periods during the Holocene.
The Holocene warming is an interglacial period and there is no reason to believe that it represents a permanent end to the Pleistocene glaciation.
A super-interglacial could become warmer than the Eemian Interglacial, which peaked at roughly 125,000 years ago and was warmer than the Holocene.
www.oobdoo.com /wikipedia/?title=Holocene   (1035 words)

  
 Ice Age Encyclopedia Article @ Hostilities.net   (Site not responding. Last check: 2007-10-20)
There appears to be a conventional wisdom that "the typical interglacial period lasts ~12,000 years" but this is hard to substantiate from the evidence of ice core records.
While Milanković forcing predicts that cyclic changes in the Earth's orbital parameters can be expressed in the glaciation record, additional explanations are necessary to explain which cycles are observed to be most important in the timing of glacial/interglacial periods.
In particular, during the last 800,000 years, the dominant inter/glacial oscillation has been 100,000 years, which corresponds to changes in Earth's eccentricity and orbital inclination, and yet is by far the weakest of the three frequencies predicted by Milanković.
www.hostilities.net /encyclopedia/Ice_age   (3503 words)

  
 Wisconsin glaciation - Biocrawler   (Site not responding. Last check: 2007-10-20)
In the period following the last interglacial period before the current one (Eemian interglacial era) the coast of Norway was also ice-free.
It was the final glacial phase of the Pleistocene and its deposits have been found overlying material from the preceding Ipswichian interglacial and lying beneath those from the following Flandrian stage of the Holocene.
This glaciation is made of three glacial maximums (commonly called ice ages) separated by interglacial periods (such as the one we are living in).
www.biocrawler.com /encyclopedia/Wisconsin_glaciation   (844 words)

  
 In Ancient Ice Ages, Clues to Climate
For instance, the intensity of storms in the temperate zones is determined by the contrast in temperature between clashing warm and cold air masses.
In the latter part of the last interglacial, some scientists theorize, the juxtaposition of cold, growing ice sheets with a still-warm ocean could have produced monster storms.
The researchers found that after the Eemian interglacial had lasted some 12,000 years, a warm climate persisted in the North Atlantic region for about another 8,000 years, even as the ice concentrations continued to grow.
www.treepower.org /news/nyticeage.html   (1744 words)

  
 Eem xmpg.org   (Site not responding. Last check: 2007-10-20)
The Eemian interglacial era (known as the Sangamon interglacial in North America, the Ipswich ian interglacial in the United Kingdom, and the Riss-Würm interglacial in the Alps) is the second-to-latest interglacial era of the Ice Age.
The warmest peak of the Eemian was around 125,000 years ago, when forests reached as far north as North Cape, Norway (which is now tundra) in northern Norway well above the Arctic Circle at.
Trees grew as far north as southern Baffin Island in the Canada Canadian Arctic islands instead of only as far north as Kuujjuaq in northern Quebec, and the prairie-forest boundary in the Great Plains of the United States lay further west — near Lubbock, Texas, instead of near Dallas, Texas, where the boundary now exists.
xmpg.org /en/Eem   (539 words)

  
 Chilling Tales from the Depths, Alaska Science Forum
This interglacial time, known as the Eemian, took place between 115,000 and 135,000 years ago, and its record lies between 2780 and 2870 meters deep in the ice.
Until now, the only interglacial era we've know well is our own---the 10,000 years (so far) of the Holocene.
During the Eemian interglacial, the climate of Greenland shifted often and dramatically.
www.gi.alaska.edu /ScienceForum/ASF11/1146.html   (656 words)

  
 AWI: Paleoclimate Dynamics - periods
During the last glacial cycle, which started with the end of the Eemian interglacial, northern hemispheric ice sheets were generally increasing in size reaching their maximum extent at the so-called Last Glacial Maximum (LGM).
In broad outline, the Eemian interglacial consisted of an early warm period of about 3,000 to 4,000 years duration, a rapid cooling, and then a much slower cooling leading to the next glacial episode.
The Quaternary was originally designated an era rather than a period, with the epochs considered to be periods, and it is still sometimes used as such in the geologic literature.
www.awi-bremerhaven.de /Modelling/Paleo/periods.html   (1266 words)

  
 U.S. Global Change Research Information Office
Seen in the earlier portion of this more extended span of time is the onset and end of the last interglacial period, lasting about 10,000 years, as well as the much longer Ice Age that separated it from the present Holocene.
The interglacial period that began about 130,000 years BP (before present) is often called the "Eemian." Regional temperatures were sometimes 1 to 2°C higher than those of the Holocene interglacial.
During times of glacial cold their concentrations in the atmosphere dropped dramatically; during the Eemian and with the onset of the Holocene interglacial they rose to values typical of the air of pre-industrial times.
www.gcrio.org /CONSEQUENCES/winter96/geoclimate.html   (5616 words)

  
 Ice age (via CobWeb/3.1 planetlab1.isi.jhu.edu)   (Site not responding. Last check: 2007-10-20)
Sediment records showing the fluctuating sequences of glacials and interglacials during the last several Myr The present Ice age began 40 million years ago with the growth of an Ice sheet in Antarctica, but intensified during the Pleistocene (starting around 3 million years ago) with the spread of Ice sheets in the Northern Hemisphere.
Shows the pattern of temperature and Ice volume changes associated with recent glacials and interglacials In Between Ice ages, there are multi-million year periods of More temperate climate, but also within the Ice ages (or at least within the last one), temperate and severe periods occur.
In the UK, Eastern Europe and the Alps yet other names are used; See Geology of the United Kingdom for UK names): The end of the last glacial also corresponds quite closely to the development of permanent human settlements and agriculture, and it is possible that there is a connection Between the two events.
ice-age.iqnaut.net.cob-web.org:8888   (2062 words)

  
 [No title]   (Site not responding. Last check: 2007-10-20)
There appears to be a conventional wisdom that "the typical interglacial period lasts ~12,000 years" but this is hard to substantiate from the, well...
current interglacial might be most analogous to a previous interglacial that lasted 28,000 years.
dominant inter/glacial oscillation has been 100,000 years, which corresponds to changes in Earth's eccentricity und orbital inclination, und yet is by far the, well...
www.n00bie.net /Ice_age   (3172 words)

  
 A Viewgraph from the Director   (Site not responding. Last check: 2007-10-20)
Temperature changes amounting to plus or minus half the change in temperature of entire the ice age happened in 25 years or less during the last interglacial (the "Eemian"), when--according to Vostok--the climate should have been as stable as it is today.
If Vostok suggested that climate was somewhat stable during interglacial periods in Antarctica, the new Summit core shows that the current interglacial--the time in which we live--is a distinct anomaly.
Both the most recent glacial era and the Eemian interglacial era underwent a climate flickering that we would consider catastrophic.
eetd.lbl.gov /newsletter/CBS_NL/nl1/viewgraph.html   (604 words)

  
 Climate Change and Human Activities
Around 130,000-110,000 years ago (the Eemian interglacial), the Earth's climates were generally much like those of today, though somewhat warmer and moister in many regions.
Though the time at which the Eemian interglacial ended is subject to some uncertainty (it was probably around 110,000 years ago), what does seem evident from the sediment records that cross this boundary is that it was a relatively sudden event and not a gradual slide into colder conditions taking many thousands of years.
The transition from glacial to interglacial conditions about 430,000 years ago (Termination V) resembles the transition into the present interglacial period in terms of the magnitude of change in temperatures and greenhouse gases, but there are significant differences in the patterns of change.
nicholnl.wcp.muohio.edu /WCP221Fall2004Folder/ClimateChange.html   (5318 words)

  
 [No title]
There are also a few oblique references to the Eem interglacial (about 120,000 years ago) and warm climates of the distant past, such as the ice-free Eocene (50 million years ago) or Cretaceous.
During the previous ("Eemian") interglacial era (120000 years ago), Western Europe may have been 1-3C warmer than it is in the current interglacial.
However, it is quite clear that the ocean temperatures were not much different from the present interglacial (see CN p 116ff), and so the Eemian is still not much of an analogue for a doubled CO2 world.
home.att.net /~rpuchalsky/sci_env/moore/moore_rtp.txt   (8247 words)

  
 Informat.io on Ice Age
The complex pattern of changes in Earth's orbit and the change of albedo may influence the occurrence of glacial and interglacial phases — this was first explained by the theory of Milutin Milanković.
A glacier carried away the missing half of Half Dome in Yosemite Valley.
In particular, during the last 800 thousand years, the dominant inter/glacial oscillation has been 100 thousand years, which corresponds to changes in Earth's eccentricity and orbital inclination, and yet is by far the weakest of the three frequencies predicted by Milanković.
www.informat.io /?title=Ice_Age   (2018 words)

  
 The Atlantean Origin Of The Seven Sacraments
The Four Elements are not indeed the ones that compose the material world, but those which destroy it when the eras come to their end.
In the Zodiacal plane, the Equinoxes coincide with Aquarius and Leo (Fire and Water), and herald the era transitions determined by the Tetramorph.
This is an allegory of the era transitions that the gods periodically bring about in order to renovel Creation and start a new world.
www.atlan.org /articles/sacraments   (13258 words)

  
 LATE QUATERNARY INTERGLACIAL AND SUBGLACIAL ENVIRONMENTS IN AN EASTERN ANTARCTIC OASIS   (Site not responding. Last check: 2007-10-20)
However, there is limited information on environmental changes in terrestrial and freshwater environments of the late Quaternary era in Antarctica due to removal of stratigraphic records by glacial erosion.
Results suggest that the first sediments were deposited during the Eemian interglacial.
This suggests cooler conditions during the Holocene than the Eemian interglacial and a high degree of species turnover.
gsa.confex.com /gsa/inqu/finalprogram/abstract_54972.htm   (456 words)

  
 Can we defuse the global warming time bomb?   (Site not responding. Last check: 2007-10-20)
This is based in part on the assertion that global mean temperature at the peaks of the current (Holocene) and previous (Eemian) interglacial periods were only 0.5 and 1.5 °C warmer, respectively, than the mid-twentieth century temperature, and the fact that the Earth has already warmed 0.5 °C in the past 50 years.
However, in addition, global climate models driven by early Holocene and Eemian boundary conditions provide strong supporting evidence that global mean temperatures were not warmer than these estimated levels.
If Eemian sea level was not much higher than that in the Holocene, our estimate for DAI would be called into question.
naturalscience.com /ns/articles/01-16/ns_jeh5.html   (2707 words)

  
 Sample text for Library of Congress control number 2005054434
Ice ages tend to be more tumultuous than interglacial periods in no small measure because of the impact of ice on the ocean conveyor.
To extend Alley's metaphor of the climate roller coaster, these geologically brief warm periods are the equivalent of the pause at the top of the first big climb before the car begins its dizzying series of twists and turns and dips.
By the dawn of the Christian era 2,000 years later, the population had grown by a factor of ten.
www.loc.gov /catdir/enhancements/fy0641/2005054434-s.html   (8036 words)

  
 The Oil Drum | Living in the Eemian   (Site not responding. Last check: 2007-10-20)
The Eemian was the last warm interglacial period before the Holocene.
So this covers the Eemian interglacial (which is around 130,000 years ago, and most of the glaciation prior to the Eemian.
The Eemian is analogous to the present period in so far as we can view the effects on sea level of a 2 to 3 degrees C rise in the global mean surface temperature anomaly (with respect to measured temperature records).
www.theoildrum.com /story/2006/2/3/0394/97545   (13044 words)

  
 Hit and myth of global warming   (Site not responding. Last check: 2007-10-20)
This is known as the Eemian Interglacial Period and the earth returned to a full-fledged ice age immediately afterward.
Except for two relatively brief interglacial episodes, one peaking about 125,000 years ago (Eemian Interglacial), and the other beginning about 18,000 years ago (Present Interglacial), the Earth has been under siege of ice for the last 160,000 years.
Some say we are "nearing the end of our minor interglacial period", and may in fact be on the brink of another Ice Age.
www.freerepublic.com /focus/f-news/942162/posts   (8341 words)

  
 The Official Graham Hancock Website: Underworld
This was the birth of the “Eemian Interglacial Era,” a time not unlike our own “Holocene (presumably inter-glacial) Era.”
Then, suddenly, it all came to an end, as gigantic Ice Caps formed in the earth’s high arctic and swept down over the great continents, pushing our ancestors and the beasts with which they shared the planet into the close confines of the equatorial regions.
With the birth of the last great Ice Age, the floodwaters of the Eemian receded, leaving dry land where once there were great seas (see animation).
www.grahamhancock.com /underworld/AshCF1.php?p=1   (1116 words)

  
 Ice Age - Crystalinks
For example, an article in Nature argues that the current interglacial might be most analogous to a previous interglacial that lasted 28,000 years.
The first, and possibly most severe, may have occurred from 800 Ma to 600 Ma (million years ago, the late Proterozoic Age) and it has been suggested that it produced a "Snowball Earth" in which the earth iced over completely.
It has been suggested also that the end of this cold period was responsible for the subsequent Cambrian Explosion, a time of rapid diversification of multicelled life during the Cambrian era.
www.crystalinks.com /iceage.html   (1744 words)

  
 Ice age: Encyclopedia - Ice age   (Site not responding. Last check: 2007-10-20)
An ice age is a period of long-term downturn in the temperature of Earth's climate, resulting in an expansion of the continental ice sheets, polar ice sheets and mountain glaciers ("glaciation").
This theory is consistent with the existing uncertainties in dating, but not widely accepted at present (Nature 434, 2005, [8]).
The Wisconsinan glaciation has had a considerable effect on the landscape of the Northern Hemisphere.
www.experiencefestival.com /a/Ice_age/id/499443   (2215 words)

  
 MonkeyFilter | Michael Crichton is a moron
The developed nations already had their huge environmental splurges in the 1800s (that era you and other conservatives seem to consider the Golden Days of Yore).
That's also a tu quoque fallacy to oppose Kyoto on the grounds that China and India are unbound by it; doing a good thing is a good thing regardless of whether others also do a good thing.
It is both simplistic and naiive to assume that what we puny humans experience generationally really has much meaning on the geologic time-scale.
monkeyfilter.com /link.php/7816   (1684 words)

  
 eemian - OneLook Dictionary Search   (Site not responding. Last check: 2007-10-20)
We found 2 dictionaries with English definitions that include the word eemian:
Tip: Click on the first link on a line below to go directly to a page where "eemian" is defined.
Phrases that include eemian: eemian interglacial, eemian interglacial era
onelook.com /?w=eemian   (77 words)

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