Sentences with phrase «medieval warm optimum»

Intervals of sustained low extent of sea ice cover occurred before AD 1200, and may be coincident with the so - called Medieval Warm Optimum (roughly AD 800 — 1300) attested in numerous Northern Hemisphere proxy records18, but the pre-industrial minimum occurred before, at about AD 640 (T3 in Fig. 3).

Reconstructed Arctic SATs show episodes of warming during this per - iod (Fig. 3f), but according to our results the decrease in Arctic sea ice extent during the Little Ice Age was more pronounced than during the earlier Medieval Warm Optimum.»

Not exact matches

And it's possible that we are currently no warmer than we were a thousand years ago, during the «Medieval Warm Period» or «Medieval Optimum,» an interval of warm conditions known from historical records and indirect evidence like tree riWarm Period» or «Medieval Optimum,» an interval of warm conditions known from historical records and indirect evidence like tree riwarm conditions known from historical records and indirect evidence like tree rings.

The late Medieval warm period is called a climatic optimum for a good reason.

Historically, the warm periods such as the Medieval Climate Optimum were beneficial for civilization.

«Dr. McIntyre's account of the systematically dishonest manner in which the «hockey - stick» graph falsely showing that today's temperatures are warmer than those that prevailed during the medieval climate optimum was fabricated in 1998/9, adopted as the poster - child of climate panic by the IPCC in its 2001 climate assessment, and then retained in its 2007 assessment report despite having been demolished in the scientific literature.»

Approximately 1000 — 1250 ce the worldwide warm - up that culminated in the 10th century and has been called the early Medieval Warm Period or the «Little Climatic Optimum,» continued for two more centuries, although there was a brief drop in mean solar activity in the period about 1030 —warm - up that culminated in the 10th century and has been called the early Medieval Warm Period or the «Little Climatic Optimum,» continued for two more centuries, although there was a brief drop in mean solar activity in the period about 1030 —Warm Period or the «Little Climatic Optimum,» continued for two more centuries, although there was a brief drop in mean solar activity in the period about 1030 — 70.

For good measure, the medieval, Roman, Minoan, Egyptian Old Kingdom and Minoan climate optima were all warmer than the present.

THE Medieval Warm Period, also known as the Medieval Climate Optimum (for obvious reasons) existed a short time ago in the climate record, from c. 950 to c. 1250.

Leif, are you also dismissing medieval, roman, etc,, warm periods, the Holocene optimum out of hand?.

It depicts: the Last Glacial Maximum, the Holocene Climatic Optimum, the Little Ice Age, and the Medieval Warm Period.

The late tenth to early thirteenth centuries (about AD 950-1250) appear to have been exceptionally warm in western Europe, Iceland and Greenland (Alexandre 1987, Lamb, 1988) This period is known as the Medieval Climatic Optimum China was, however, cold at this time (mainly in winter) but South Japan was warm (Yoshino, 1978) This period of widespread warmth is...

The temperature fluctuations derived from the Greenland ice cores delineate the Holocene Climatic Optimum, Egyptian, Minoan, Roman, and Medieval Warm Periods and their relative warmth, as well as intervening cool periods such as the Little Ice Age.

We know the effects of a warmer climate: during the past 10,000 years, human civilizations have prospered during the warmer Holocene Climate Optimum (7,000 to 3,000 BC) and the Medieval Warm Period (800 to 1350 AD).

But back to long term cycles in our planet's climate (ex: Minoan Warm Period, Roman Optimum, Dark Ages, Medieval Warm Period, Little Ice Age, Modern Warm Period).

Best evidence is that the Medieval Climatic Optimum was warmer.

High - latitude areas by the poles warm more than the equator or the rest of the world average during times of high solar warming (Medieval Warm Period, Holocene Climate Optimum, Modern Warm Period, etwarm more than the equator or the rest of the world average during times of high solar warming (Medieval Warm Period, Holocene Climate Optimum, Modern Warm Period, etWarm Period, Holocene Climate Optimum, Modern Warm Period, etWarm Period, etc.).

Does it also include a Holocene Climate optimum, Minoan Warm Period, Roman Warm Period and Medieval Warm Period, and the cold epochs in between?

Longest was the Holocene Optimum between 8000 and 5000 years ago (ya); the Minoan Warm Period 3400 ya; the Roman Warm Period 2400 ya; the Medieval Warm Period 1000 ya and most recently the 1930s warm perWarm Period 3400 ya; the Roman Warm Period 2400 ya; the Medieval Warm Period 1000 ya and most recently the 1930s warm perWarm Period 2400 ya; the Medieval Warm Period 1000 ya and most recently the 1930s warm perWarm Period 1000 ya and most recently the 1930s warm perwarm period.

The Polar Bears survived two Holocene Climate Optimums, a Roman Climate Optimum and a Medieval Warm Period, all warmer than now, and yet those darn bears are still here!

Current GCM models may have realistic - seeming weather patterns, but are totally incapable of producing phenomena that look like the Holocene (Little Ice Age, Medieval Warm Period, Roman Warm Period, Holocene Optimum, the steady decline of temperature on average over the last 3,000 years, etc.) The Climate Science community has, instead, taken the path of trying to claim that these swings didn't occur (Michael Mann's «Hockey Stick», etc.) This does not give me a lot of confidence in the rest of their «science».

It has been warmer than the present for much of the ten thousand years since the last big ice age: it was a little warmer for a few centuries in the medieval warm period around 1100 (when Greenland was settled for grazing) and also during the Roman - Climate Optimum at the time of the Roman Empire (when grapes grew in Scotland), and at least 1 °C warmer for much of the Holocene Climate Optimum (four to eight thousand years ago).

... has been called the early Medieval Warm Period or the «Little Climatic Optimum,» continued for two more centuries, although there was a brief drop in mean solar activity in the period about 1030 — 70.

Furthermore, much evidence indicates that today's warm temperatures remain below peak temperatures experienced during the Medieval Warm Period of 1,000 years ago, the Roman Warm Period of 2,000 years ago and the Holocene Climatic Optimum of 5,000 years warm temperatures remain below peak temperatures experienced during the Medieval Warm Period of 1,000 years ago, the Roman Warm Period of 2,000 years ago and the Holocene Climatic Optimum of 5,000 years Warm Period of 1,000 years ago, the Roman Warm Period of 2,000 years ago and the Holocene Climatic Optimum of 5,000 years Warm Period of 2,000 years ago and the Holocene Climatic Optimum of 5,000 years ago.

Medieval warm period (MWP), also called medieval warm epoch or little climatic optimum, brief climatic interval that is hypothesized to have occurred from approximately 900 ce to 1300 (roughly coinciding with the Middle Ages in Europe), in which relatively warm conditions are said to have prevailed in various parts of the world, though predominantly in the Northern Hemisphere from Greenland eastward through Europe and parts Medieval warm period (MWP), also called medieval warm epoch or little climatic optimum, brief climatic interval that is hypothesized to have occurred from approximately 900 ce to 1300 (roughly coinciding with the Middle Ages in Europe), in which relatively warm conditions are said to have prevailed in various parts of the world, though predominantly in the Northern Hemisphere from Greenland eastward through Europe and parts medieval warm epoch or little climatic optimum, brief climatic interval that is hypothesized to have occurred from approximately 900 ce to 1300 (roughly coinciding with the Middle Ages in Europe), in which relatively warm conditions are said to have prevailed in various parts of the world, though predominantly in the Northern Hemisphere from Greenland eastward through Europe and parts of Asia.

«'' A second, rarely touched upon question is associated with the apparently limited amount of organic carbon that had been released from permafrost terrain in previous periods of climatic warming such as e.g. the Medieval Warm Period or during the Holocene Climatic Optimum.

A first order comparison of the Minoan, Roman and Medieval Warm periods for instance shows that during all three of these climatic optima human civilization has flourished.

That assumption conflicts with studies finding that the Northern Hemisphere was warmer than present for several decades during the Medieval Warm Period and Roman Warm Period and for thousands of years during Holocene Optimum.

-- Romanian Warm Period about 2000 years ago — Medieval Warm Period with a climate optimums about 1000 years ago — Little Ice Age from 15th to mid-19th century.

The 300 years of Viking settlements in Greenland during the Medieval Warm Period and viniculture in Britain suggested a warmer world in earlier times than at present while the colder Dark Ages separate the MWP from the Roman Climate optimum.

It would be remiss not to connect the Roman warm optimum and the series of savage winters recorded above that afflicted Constantinople, with the great medieval warming of Greenland and the age of the Vikings several hundred years later.

The Last Glacial Maximum, the Climatic Optimum, the Medieval Warmth, the Little Ice Age, and a warm period at 1930 A.D. are resolved from the GRIP reconstruction with the amplitudes — 23 kelvin, +2.5 kelvin, +1 kelvin, — 1 kelvin, and +0.5 kelvin, respectively.

Things were good during the warmth of the Holocene Optimum when Mesopotamia flourished, they were good during the Medieval Warm Period when Vikings inhabited Greenland, and things have never been better than they are today, even though today is warmer than the norm.

Paleo temperatures from oxygen isotope ratios from the greenland ice cores show that a temperature increase of 0.7 °C will not bring the current temperature up to the level of the Medieval Warm Period let alone the Roman optimum and the MInoan Warm period which were both warmer than the medieval warmMedieval Warm Period let alone the Roman optimum and the MInoan Warm period which were both warmer than the medieval warm perWarm Period let alone the Roman optimum and the MInoan Warm period which were both warmer than the medieval warm perWarm period which were both warmer than the medieval warmmedieval warm perwarm period.

Durkin never states that the mythical charts, which apparently show a medieval warm period and Holocene climatic optimum that were warmer than the present day, come from doctored diagrams produced by a German school teacher, EG Beck.

Lamb (1965) seems to have been the first to coin the phrase «Medieval Warm Epoch» or «Little Optimum» to describe the totality of multiple strands of evidence principally drawn from western Europe, for a period of widespread and generally warmer temperatures which he put at between AD 1000 and 1200 (Lamb, 1982).

Spangler Drongo — it may well have been warmer before without CO2 — well if the «Medieval Optimum Period» is anything to go by — major ongoing droughts in the Americas, Asia, Africa according to Brian Fagan — in his recently published book — «The Great Warming» http://www.amazon.com/Great-Warming-Climate-Change-Civilizations/dp/1596913924

«The Little Ice Age (LIA) was a period of cooling that occurred after the Medieval Warm Period (Medieval Climate Optimum).

We learn about the Little Ice Age and Medieval Optimum (often called the «Medieval Warm Period») of the relatively recent past, go deeper into the more distant past of the Ice Ages, and then, in Chapter 6, learn about geologic climate cycles.