Sentences with phrase «little ice age conditions»

Are the glaciers responding primarily to climate changes of the last 30 years, or to the post Little Ice Age conditions?

is a fascinating study of Little Ice Age conditions faced by settlers of the new world, particularly in the early 17th century.

The paleoclimatic record suggests we may possibly lose about a watt per square meter if we return to Little Ice Age conditions, which is considerably smaller than the greenhouse forcing expected in the coming century.

Not exact matches

Soon and Baliunas are «mindful» that the Medieval Warming Period and the Little Ice Age should be defined by temperature, but «we emphasize that great bias would result if those thermal anomalies were to be dissociated» from other climatic conditions.

We had expected milder weather than Barents experienced — in the «Little Ice Age», which lasted from 1450 to 1850, mean temperatures were between 1 and 2 °C colder than nowadays — but the difference in conditions was far greater than we had anticipated.

Weather records from the time match these sandstorms with unusually windy conditions caused by the little ice age.

Freezing conditions could become more likely: winter temperatures may even plummet to depths last seen at the end of the 17th century, a time known as the Little Ice Age.

Large - scale surface temperature reconstructions yield a generally consistent picture of temperature trends during the preceding millennium, including relatively warm conditions centered around A.D. 1000 (identified by some as the «Medieval Warm Period») and a relatively cold period (or «Little Ice Age») centered around 1700.

[14] Although there is an extreme scarcity of data from Australia (for both the Medieval Warm Period and Little Ice Age) evidence from wave built shingle terraces for a permanently full Lake Eyre during the ninth and tenth centuries is consistent with this La Niña - like configuration, though of itself inadequate to show how lake levels varied from year to year or what climatic conditions elsewhere in Australia were like.

Some scientists have even warned that weakening solar activity could spark another «Little Ice Age,» arguing conditions mirror the centuries of global cooling the Earth went through from the late Middle Ages to the mid-19th Century.

The likely cause of this remarkable CO2 growth was from the Earth's own warming, causing oceans to release ever greater amounts of CO2 - not a surprise after the lengthy freezing conditions of the Little Ice Age (LIA).

â $ œIntervals of ameliorated limnological conditions occurred between 1300 and 900 and between 500 and 280 cal yr B.P., briefly interrupting the decreasing trend in productivity that culminated in the Little Ice Age.

Between AD 500 and 700 and the Little Ice Age phase 2 (LIA 2 — AD 1630 — 1850), the frequent typhoons were inferred by coarse sediments and planktonic diatoms, which represented more dynamical climate conditions than in the LIA 1.

During the Little Ice Age phase 1 (LIA 1 — AD 1400 — 1620), the abundant occurrences of wetland plant (Cyperaceae) and diatom frustules imply less flood events under stable climate conditions in this period.

In less than forty years the conditions went from the depths of the Little Ice Age to something comparable to the warmest decades of the twentieth century.

A shift of the SPCZ in this direction suggests there were more La Niña - like or cold - phase conditions in the Pacific, during this period, often called the Little Ice Age.

Some fascinating examples of conditions during the Little Ice Age (LIA) are reported in a wonderful book titled In Order to Live Untroubled that evolved from Renee Fossett's doctoral thesis.

It is often suggested that lower total solar irradiance (TSI) due to a decline in solar activity (less sunspots) was responsible for the Little Ice Age, a period of colder weather conditions from the end of the Middle Ages to... Continue reading →

When people are told to stop watering their lawns because of a water shortage, they escalate (in the manner of sports hyperbole) to use the same word, drought, as is used for far more serious conditions, on a far vaster scale and lasting many years — such as the 1930s Dust Bowl or those three Little Ice Age droughts amidst good times in East Africa, lasting 30, 65, and 80 years.

They had survived in good condition from the 13th century throughout the fairly cool 500 - year period called the Little Ice Age.

Large - scale surface temperature reconstructions yield a generally consistent picture of temperature trends during the preceding millennium, including relatively warm conditions centered around A.D. 1000 (identified by some as the «Medieval Warm Period») and a relatively cold period (or «Little Ice Age») centered around 1700.

There were no globally synchronous multi-decadal warm or cold intervals that define a worldwide Medieval Warm Period or Little Ice Age, but all reconstructions show generally cold conditions between AD 1580 and 1880, punctuated in some regions by warm decades during the eighteenth century.

Politicians and business leaders must make full economic calculations of the impact of the new Little Ice Age on everything — industry, agriculture, living conditions, development.

Our reconstruction thus supports the notion of relatively warm hemispheric conditions earlier in themillennium, while cooling following the 14th century could be viewed as the initial onset of the Little Ice Age sensu lato.

By around the year 1580, all regions except Antarctica had entered into a «Little Ice Age», and remained in cold conditions until the late 1800s.

The pattern of temperatures shows a rise as the world emerged from the last deglaciation, warm conditions until the middle of the Holocene, and a cooling trend over the next 5000 years that culminated around 200 years ago in the Little Ice Age.

The Kau Bay results suggest that there was diminished ENSO amplitude or frequency, or a departure from El Niño — like conditions during the Medieval Warm Period, and distinctive, but steadily decreasing, El Niño activity during and after the Little Ice Age.»

Our reconstruction thus supports the notion of relatively warm hemispheric conditions earlier in the millennium, while cooling following the 14th century could be viewed as the initial onset of the Little Ice Age sensu lato.

report that ocean sediment cores containing an «undisturbed history of the past» have been analyzed for variations in PP over timescales that include the Little Ice Age... they determined that during the LIA the ocean off Peru had «low PP, diatoms and fish,» but that «at the end of the LIA, this condition changed abruptly to the low subsurface oxygen, eutrophic upwelling ecosystem that today produces more fish than any region of the world's oceans... write that «in coastal environments, PP, diatoms and fish and their associated predators are predicted to decrease and the microbial food web to increase under global warming scenarios,» citing Ito et al..

That would put it in latter part of the Little Ice Age when I imagine sea ice and glaciers must have been significantly advanced (Schneider quotes Pope Alexander IV on what must have been similar ice conditions around Greenland in 149Ice Age when I imagine sea ice and glaciers must have been significantly advanced (Schneider quotes Pope Alexander IV on what must have been similar ice conditions around Greenland in 149ice and glaciers must have been significantly advanced (Schneider quotes Pope Alexander IV on what must have been similar ice conditions around Greenland in 149ice conditions around Greenland in 1492).

As the earth continues to recover from the abnormally cold conditions of the centuries - long Little Ice Age, warmer temperatures, improving soil moisture, and more abundant atmospheric carbon dioxide have helped bring about a golden age for global agricultural productiAge, warmer temperatures, improving soil moisture, and more abundant atmospheric carbon dioxide have helped bring about a golden age for global agricultural productiage for global agricultural production.

There is agreement that there were mostly warmer conditions from about 950 to 1250 AD (Medieval Climate Anomaly) and cooler conditions from about 1400 to 1850 AD (Little Ice Age).

Suppose that you mark the initial conditions that lead to different climates by red for Europe, green for Jurrasic Park, and blue for Ice Age and now draw a little circle around some starting points.

It is true that we can presently do little about volcanos and other natural disasters, but if our behaviour is likely to hasten global warming, or ice - age conditions — whatever it might be, then we should tread carefully.

Soon and Baliunas are «mindful» that the Medieval Warming Period and the Little Ice Age should be defined by temperature, but «we emphasize that great bias would result if those thermal anomalies were to be dissociated» from other climatic conditions.

a BP, when Salix arctica, which is considered a warmth - loving plant, had a maximum,» that (3) «comparisons with Holocene records from East and North Greenland show similar immigration histories and similar trends, with the Little Ice Age as the coldest period during the Holocene, culminating about 150 years ago,» and that (4) «subsequent warming does not indicate environmental conditions comparable to the HTM yet at this stage.»

Or I expect conditions in near future to become more like the Medieval Warm Period rather than more like the Little Ice Age.

We base our CO2 «safe levels» on conditions that was the Little Ice Age until today's somewhat warming (compared to the Minoan super warm agAge until today's somewhat warming (compared to the Minoan super warm ageage).