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Monday, May 5, 2014

Scientists Prove The Last Interglacial Period Was Warmer Than Today

Scientists call the period between each of the Earth's Ice ages an interglacial period. We are in an interglacial period now (you can tell by the fact that the NY Mets' City Field isn't under a mile of ice (although one might think so based on how cold their bats are). The last interglacial period featured a "warming spell" similar to today with one exception, it was warmer.
Analysis of data collected from ice cores and marine sediment cores in both polar regions has given scientists a clearer picture of how the Earth's climate changed during the last Interglacial period. This comparatively warm time period occurred between 130,000 and 115,000 years ago. 
Investigating the behaviour of the Greenland and Antarctic ice sheets during the last interglacial helps to better predict their respective contribution to sea level rise in the context of a future warmer climate.
It also proves once again that warming and cooling periods are a natural cycles of the Earth.
By lining up the records, and establishing a common chronology, Dr Emilie Capron, from British Antarctic Survey, concluded that Antarctica was a few degrees warmer than it is today and that the Southern Hemisphere warmed earlier than the Northern Hemisphere. Results from her findings have been presented to the European Geosciences Union General Assembly in Vienna, Austria this week (27th April – 2nd May 2014). 

Dr. Capron said: "To understand our changing climate we need to go back in time. Past warm periods, called interglacials, are particularly interesting because they provide insights as to how current natural changes may interact with those originating from human influences." The results, which have been submitted to a science journal for publication, will help climate modellers predict future climate change.
But if it was a few degrees warmer during the previous interglacial period, does that mean there were Ford Explorers 130,000 years ago?
 Questions remain about the contribution Antarctic and Greenland glaciers may make towards sea level rise. Earth's last warm phase exposed Ice core in the drill head. Past variations of local surface temperatures in polar regions are reconstructed by analysing ice cores drilled in Greenland and Antarctica .

Dr Capron's results not only confirm the last interglacial period was warmer than today but also that surface temperature peaks weren't uniform across the globe. Data from more than forty cores were examined as part of the research project. The work is part of a broad ranging interdisciplinary programme, the iGlass consortium, which integrates new field data, data synthesis and numerical modelling, in order to study the response of ice volume and sea level to different climatic states during the last five interglacial periods. Over the last 1 million years, the 
Earth's climate has alternated between warm interglacial periods and cold glacial periods characterised by the growth of ice sheets in the northern hemisphere. Interglacials re-occur roughly every 100,000 years between ice ages. The present interglacial began around 10,000 years ago and has been relatively stable since then.
What this research really demonstrates is that the Earth will get warm and cold on its own and there is nothing man can do about it one way or another.

2 comments:

Jeff Dunetz said...

Last sentence: "This Administration’s actions over the past few weeks, trashing Israel in off the record speeches and anonymous interviews makes one wonder if Barack Obama would have the moral fiber to make the same decision as Harry Truman."
No. Of course not. Next question.

Jeff Dunetz said...

there will never be peace with islam as islam can't accept a dhimmi state as a equal. which is why abass can't say the simple words we accept Israel as the jewish state. he can't do it and he never will. i wish there was on jewish leader with the bietzium to tell the truth. it doesn't matter what Israel does islam will never accept it as a equal. PERIOD.