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Lake Sediments Record Climate Change At Cahokia
archaeology.org ^ | Monday, February 13 | archaeology.org

Posted on 02/15/2017 8:36:43 AM PST by fishtank

Lake Sediments Record Climate Change At Cahokia

INDIANAPOLIS, INDIANA

—National Public Radio reports that climatologist Broxton Bird of Indiana University-Purdue University Indianapolis and colleagues analyzed layers of calcite crystals interspersed with layers of mud on the bottom of Indiana’s Martin Lake in order to learn about historic rainfall levels at Cahokia. The study suggests that beginning in the 900s, the Central Mississippi Valley received more rain than usual. And carbon isotopes found in skeletons at Mississippian cities indicate that people ate a lot of corn. “That comes at right around 950, and that’s around the time the population at Cahokia explodes,” Bird said. Then around A.D. 1200, at a time of increased worldwide volcanic activity, the weather pattern in North America shifted. “We switch to profound drought at A.D. 1350,” Bird explained. According to the climate record in the Martin Lake sediments, the drought lasted for 500 years. Archaeological evidence suggests that palisades were built at Cahokia after A.D. 1250, villages were burned, and skeletal remains show signs of decapitations and other injuries.

(Excerpt) Read more at archaeology.org ...


TOPICS: Culture/Society; Philosophy
KEYWORDS: ad1250; ad1350; americanbottoms; broxtonbird; cahokia; calcite; climate; corn; drought; godsgravesglyphs; gulfofmexico; jetstream; littleiceage; maize; medievalwarmperiod; metroeast; mississippians; mississippiriver; palisades; sediments; stlouis; violence; volcanoes; walls; warfare
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This image is NOT from the archaeology.org article...

http://www.ancient-origins.net/sites/default/files/styles/large/public/Cahokia-illustration.jpg?itok=EWyGkHXI

1 posted on 02/15/2017 8:36:43 AM PST by fishtank
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To: fishtank

2 posted on 02/15/2017 8:37:53 AM PST by fishtank (The denial of original sin is the root of liberalism.)
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To: fishtank

Kewl, I didn’t know they celebrated Festivus in
those days.


3 posted on 02/15/2017 8:40:28 AM PST by tet68 ( " We would not die in that man's company, that fears his fellowship to die with us...." Henry V.)
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To: fishtank

Did they analyze the tea leaves and sheep entrails for evidence of climate change?


4 posted on 02/15/2017 8:41:04 AM PST by MeganC (Democrat by birth, Republican by default, conservative by principle.)
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To: fishtank

Lol.. from the mt St. Helens explosions we know a lot of this is rigged science. Archeologists have a long history of just plain lying and being used by politics, power brokers.


5 posted on 02/15/2017 8:41:38 AM PST by momincombatboots (Pray, prepare.)
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To: fishtank

We have more facts and data at our fingertips than any other ciulture at any time in history.

Yet our “scientists” and researchers spend their time manipulating data to fit the liberal narative and ignoring facts (inconvenient truths?) that don’t support their preconceived conclusions.


6 posted on 02/15/2017 8:41:59 AM PST by Iron Munro (If Illegals voted Rebublican 66 Million Democrats Would Be Screaming "Build The Wall!")
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To: tet68
Kewl, I didn’t know they celebrated Festivus in those days.

If the picture is accurate, that had an airing of grievances on a grand scale...

7 posted on 02/15/2017 8:43:29 AM PST by drop 50 and fire for effect ("Work relentlessly, accomplish much, remain in the background, and be more than you seem.)
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To: Iron Munro

500 years of drought indicates no fake science but a natural solar cycle.


8 posted on 02/15/2017 8:45:41 AM PST by knarf
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To: fishtank

9 posted on 02/15/2017 8:45:49 AM PST by Oratam
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To: MeganC

Still do!


10 posted on 02/15/2017 8:47:39 AM PST by bigbob (We have better coverage than Verizon - Can You Hear Us Now?)
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To: fishtank

The archaeological site Cahokia Mounds is not at or near the modern day town of Cahokia on your map, which was a French settlement. The mounds site’s on the Highway 111, the big mound next to US64 closer to Collinsville, by State Park Place in the north.


11 posted on 02/15/2017 8:47:41 AM PST by piasa
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To: fishtank

Didn’t know there were SUV’s and Republicans back then.


12 posted on 02/15/2017 8:48:01 AM PST by beethovenfan (I always try to maximize my carbon footprint.)
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To: drop 50 and fire for effect

It would be a feat of strength just to climb
to the top of the platforms.


13 posted on 02/15/2017 8:49:06 AM PST by tet68 ( " We would not die in that man's company, that fears his fellowship to die with us...." Henry V.)
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To: Iron Munro

1 Corinthians 3:19
For the wisdom of this world is foolishness in God’s sight. As it is written: “He catches the wise in their craftiness”;

Colossians 2:23
Such regulations indeed have an appearance of wisdom, with their self-imposed worship, their false humility and their harsh treatment of the body, but they lack any value in restraining sensual indulgence.


14 posted on 02/15/2017 8:49:50 AM PST by Red Badger (If "Majority Rule" was so important in South Africa, why isn't it that way here?.......)
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To: fishtank

Didn’t DeSoto report of massive Mississippian populations and villages in his travels? And 200 years later the early French Explorers found nothing.

One theory was that the herds of swine that DeSoto brought with him infected the native deer population killing them to the point of near extinction in that part of the country.

Consequently the indigenous population starved.


15 posted on 02/15/2017 8:50:58 AM PST by Rebelbase
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To: knarf
500 years of drought indicates no fake science but a natural solar cycle.

Exactly my point!

Before the 500 years of drought there was something else.

Climate changes and the power of the sun dictates how and when.


16 posted on 02/15/2017 8:57:07 AM PST by Iron Munro (If Illegals voted Rebublican 66 Million Democrats Would Be Screaming "Build The Wall!")
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To: fishtank

Bookmark.


17 posted on 02/15/2017 8:58:47 AM PST by Southside_Chicago_Republican (If liberty means anything at all, it means the right to tell people what they do not want to hear.)
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To: beethovenfan

The Medieval Warm Period lasted from about 950 to 1250. Fits beautifully. It was followed by the Little Ice Age, which we started recovering from about 1750.

Because the Medieval Warm Period and the Little Ice Age do not fit the models of the climate alarmists, they have worked hard to discredit them, particularly the Medival Warm Period, when temperatures were likely above those of today.


18 posted on 02/15/2017 9:00:40 AM PST by marktwain (We wanted to tell our side of the story. We hope by us telling our story...)
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To: Iron Munro
I misunderstood your comment

GMTA

19 posted on 02/15/2017 9:00:47 AM PST by knarf
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To: momincombatboots

My personal thought is that they get some idea in their head based on their modern ideology and then use their education, tools, and whatever else that is needed to explain something that happened thousands of years ago and tell us we need to stop using plastic bags or whaever. Still doesn’t make them right.


20 posted on 02/15/2017 9:01:39 AM PST by Gaffer
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