2. plots - pennsylvania state universitypersonal.psu.edu/lxv1/climate2.pdf · 2. plots plots and...
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1. Old History
3. 70's: Global cooling -- Ice Age Coming4. Wikipedia on climate5. 2000's : Climate Change6. USA government on climate7. Other countries on climate8. Math Reviews on climate9. News 2007-200910. 201011. 201112. 201213. 201314. 201415. 2015
back to the main climate page
2. Plots
Plots and graphs from David BernsteinHere are his comments.These graphs describe the temperature fluctuations on the surface of our planet during the last
10 thousand years, 50 thousand years, 420 thousand years, 5 million years, 65 million years, 542 million years
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These graphs show some interesting cycles
The most important (from our point of view) are the cycles from Kyr-420 and Myr-542
In Kyr-420 we see Ice ages (90% of the time)when Boston and Moscow were covered by a mile-thicklayers of ice.Every ~100Kyr they are interrupted by short(~10Hyr) interglacial periods, when life becomes possiblein Europe (North of the Alps) and North America
Right now we are in one of these iterglacials (probably at the end of it)
The most popular explanation is the Milankovich cycles (changes in the Earth's orbit)
On the other hand the cycles in Myr-542 are much longer(~300Myr) and most of the time the Earth is much warmerso that there is no ice on the poles (tropical climate in Greenland)but occasionally the Eartth enters the era of Ice ages (like duringthe last 2Myr)
The most popular explanation id the movement of the solar systemaround the galactic centers where occasionally we travel not far fromregions rich in Supernovas that increase the flux of cosmic rays which facilitate the cloud formation and decrease the Earth's temperature
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Temperature of Lower Atmosphere Last 50,000 Years From S.Hemisphere ice and air data
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Other plots
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http://c3headlines.typepad.com/.a/6a010536b58035970c016303871c4e970d-popup
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Satellites show no global warming for 17 years 5 months Anthony Watts / February 6, 2014
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http://c3headlines.typepad.com/.a/6a010536b58035970c0167647bf5a3970b-popup
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http://bobtisdale.wordpress.com/
University of Alabama – Huntsville (UAH) – Dr. Roy Spencer – Click the pic to view at source
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Global Temperature Trends From 2500 B.C. To 2040 A.D. April 9, 2014
Temperature Lower Stratosphere (TLS) – Brightness Temperature Anomaly – 1979 to Present
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Remote Sensing Systems (RSS) – Microwave Sounding Units (MSU) – Base Period 1979-1998 – Click the pic to view at source
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Going Down: Death Rates Due to Extreme Weather Events Anthony Watts / July 5, 20
State College - University Park Airport (KUNV) Lat: 40.85°NLon: 77.84°WElev: 1188ft. National weather service
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March 2015 the station 1434 Park Ln State College
Here is the temperature in State College before the adjustments by GISS:
Here is the temperature in State College after the adjustments by GISS:
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Sept 2015 before adjustment0
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Sep 2015 after adjustment
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September 1973 April 1977 December 1979