All Solar, Et Al, In 12 Years?

[Meandering]

4,000 years later, we needed a "press release"

Maybe these guys work for JT.

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[Meandering]

World Meteorological Organization.

I can't believe I can even get my mouse to copy and paste such trash, but here goes.

Our knowledge of changes in the climate over the last few thousand years was transformed during the 20th century. Before then people didn’t realize that the climate had been any different to the way it is now. This lack of understanding is due in part to an interpretation of classical literature, which appeared to describe the climate in similar terms to current experience. Studies of written works from Classical Greece through to the early years of the 20th century had concluded that there had been no change in the climate since the fifth century BC. (uhmm, the bible is left out of this "classical Literature". Did not the "plagues" suggest that weather was different?)

These analyses were based on descriptions of the fertility of the country, the nature of streams and rivers, and the dates of sowing and harvests. This view changed gradually during subsequent decades, thanks principally to the painstaking work of several scholars who produced a variety of evidence to show that the climate had indeed changed on almost every timescale and in every part of the world.
(Just shows you how smart Ben Franklin was, to know we needed an Almanac prior to the 20th century)

The broad picture is that by around 6 000 years ago, the post-glacial warming trend reached a peak. This was mainly a Northern Hemisphere summer phenomenon. On the basis of evidence from tree pollen, the average summer temperature in middle latitudes of the Northern Hemisphere was 2°C to 3°C warmer than at present, largely because of the increased levels of summer sunshine that peaked, as a result of the Milankovitch effect (wobbles in the Earth’s orbit around the sun), about 9000 years ago.

Around 5 500 years ago, in the early stages of the development of the ancient civilizations of Egypt and the Middle East, the climate began to cool gradually and become drier. These changes were small compared with the sudden shifts at the end of, and during, the last Ice Age. Nevertheless, some of the changes were profound. The Sahara dried up. Desert formed where giraffes, elephants and antelope had roamed. More generally, there is evidence of a decline in rainfall in the Middle East and North Africa setting in around 4 000 years ago. At the same time the poleward extent of the treeline across the Canadian Arctic and Siberia started to shift southward. This trend towards cooler, drier conditions continued until near the end of the first millennium AD but was punctuated by warmer periods. There is also considerable evidence of mountain glaciers around the world expanding around 2500 BC, but then receding to high elevations around 2000 BC. Further glacial expansions occurred around 1400 BC to 1200 BC, and between 200 BC and around AD 500–800. In between these colder episodes the climate was warmer with glaciers receding to higher elevations around the world.

Although there is no sudden change in the amount of historical evidence on the climate at around AD 1000, much points to the fact that many conditions in northern Europe and around the North Atlantic became warmer during the 9th and 10th centuries. In part, this is inferred from the expansion of economic and agricultural activity throughout that region. Grain was grown farther north in Norway than is now possible. Similarly, crops were grown at levels in northern Britain that have proven uneconomic in recent centuries. The Norse colonization of Iceland in the 9th century and of Greenland at the end of the 10th century is also seen as evidence of a period of more benign climate in this region. There is little doubt the warmer conditions over much of northern Europe extended into the 11th and 12th centuries, but the geographical evidence is complicated.

And ancient writers did not go to these places, create travel logs and house them in libraries for you to find 4,000 years later to decided what they knew an did not know?

In the times where humans lived on Earth, but before instrumental measurements of the climate were made, some of the gaps in our knowledge of the climate can be filled in with documentary records of events that relate to the weather. These include direct references to the weather such as agricultural records, wine harvest dates and phenological records. Phenological records are compilations of the annual events of plants such as leaf opening, flowering, fruiting and leaf-fall together with climatic observations. Phenological calendars were used long ago in both China and the Roman Empire. A lot of work was done on this subject up to the mid-20th century, especially in Europe, but fell out of fashion. Recently there has been a revival of interest in the subject in both Europe and North America as part of efforts to identify the effects of global warming on flora and fauna.

Oh yeah, great stuff, because China and the Roman Empire were using the same calendar, so, you know that when tulips opened it was March 15th and when daisy's opened it was April 15th, oh wait, isn't the temperature in China and the Roman empire variable depending on where in China and where in the Roman empire the author witnessed these flower openings?

Where we do not have instrumental observations or documentary records, much of our information about the climate has been obtained from what are known as proxy data. These are obtained by analyzing a wide variety of materials whose properties are influenced by the surrounding climate. Tree rings, ice cores, ocean sediments, coral growth rings and pollens are the best known examples. Proxy data rarely ever provide a direct measure of a single meteorological parameter. For instance, the width of tree rings is a function of temperature and rainfall over the growing season, and also of ground water levels reflecting rainfall in earlier seasons. Only where the trees are growing near their climatic limit can most of the growth be attributed to a single parameter (e.g. summer temperature). For other records (e.g. analysis of the pollen content in lake sediments, or the creatures deposited in ocean sediments), drawing climatic conclusions depends on knowing the sensitivity of the plants or creatures to the climate and how their distribution might be a measure of the climate at the time.

http://www.wmo.int/pages/themes/climate/past_climates.php



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[Terrel L. Shields]

The variability in ice is greater than the precision of the computations of global warming. 2014 was "the hottest on record" only if you assume that it wasn't maybe the 4th or 5th "hottest" since 1980 because the statistical variation is greater than that...Huh?

The United States Weather Bureau once thought hurricanes didn't occur in the Pacific....long after sailors knew otherwise. Of course, the old USWB didn't believe a hurricane had skirted Havana and was headed across the Gulf to Galveston in 1900...wiped the place out while the USWB was claiming it had turned north along the west coast of Florida and was harmlessly spinning across the state into the Atlantic. A priest, Father Benito Vines, who ran the weather station in Havana tried to warn them but the USWB had dismissed his claim as laughable.

 

[Meandering]

Governments have been lying to "the people" ever since the first king declared himself a God.

The only thing that's changes, was, for awhile at least, "the people" could laugh at the stories.

Maybe the pendulum is swinging back the other way,

At least we got common core math out of it.

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[Terrel L. Shields]

you know that when tulips opened it was March 15th

Holy Cow! They are right....my tulips opened on exactly the same day 9 years apart! Never mind they varied by up to 2 weeks between

 

[Meandering]

Yeah but yours were genetically designed to do that.



Join Dutch bulb expert Eric Breed in this rare peek at species tulips in their original extreme native habitats. Tulips in the Wild features photography shot over two decades by five adventurous Dutch friends and tulip hunters on expeditions to the often remote regions where tulips originated. Their varied travels have spanned the barren steppes and rugged peaks of some of the world's more difficult terrain in Kazakhstan, Kyrgyzstan, Uzbekistan, Tajikistan and Turkmenistan. On other trips, wild tulips awaited in Afghanistan, Iran, Turkey, Crete, Greece, Italy, Switzerland and Algeria.
http://tulipsinthewild.com/

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[Terrel L. Shields]

yours were genetically designed to do that.

GMO tulips... Who would have thunk it.

During the Tulip craze in Holland, a worker ate what he thought was an onion. Turned out to be a tulip bulb worth thousands of gilders. The man he worked for then sued when he realized that man ate it... But for lack of evidence....

 

[Randolph Kinney]

Can you say DUH!

Well DUH!! Sometimes academics is really stupefying.

 

[Randolph Kinney]

“Humans have a long history of having to deal with climate change,” said study author Christopher Bernhardt. “Along with other research, this study geologically reveals that the evolution of societies is sometimes tied to climate variability at all scales – whether decadal or millennial.”

It's all that CO2 that man created that warmed the earth and caused drought, fires, shifting patterns of rain, glacier melts, and rivers to flow backwards.

Well, maybe earthquakes caused the rivers to flow backwards.

 

[Randolph Kinney]

The broad picture is that by around 6 000 years ago, the post-glacial warming trend reached a peak. This was mainly a Northern Hemisphere summer phenomenon. On the basis of evidence from tree pollen, the average summer temperature in middle latitudes of the Northern Hemisphere was 2°C to 3°C warmer than at present, largely because of the increased levels of summer sunshine that peaked, as a result of the Milankovitch effect (wobbles in the Earth’s orbit around the sun), about 9000 years ago.

No no no! It was forest fires that man caused to emit copious amount of CO2.