Sentences with phrase «over the past millennium»

In contrast to these recent changes, there is one tradition that has not changed over the past millennium: the mixed use of green and blue.
Overall, the world has seen a trend of increasing swings to extremes over the past millennium, researchers said.
They then compared accumulation of ice in these cylinders to the expansion and retreat of the glacier over the past millennium.
Links between atmospheric carbon dioxide, the land carbon reservoir and climate over the past millennium.
However if you would google «climategate» you would find that this is a result of shady scientific analysis - the tree ring data showing that there was little temperature variation over the past millennium showed a decline after 1960, so, they cut it off and stitched thermometer data.
Greenland temperature variations Veizer's paper argues that the local preindustrial climate fluctuations over the past millennium in Greenland were not driven by CO2.
The record shows increasing water levels over the past millennia and a prominent spike towards the end.
Greenland temperature variations Veizer's paper argues that the local preindustrial climate fluctuations over the past millennium in Greenland were not driven by CO2.
Changes in the Earth's orbit have had little impact on annual mean insolation over the past millennium.
The ice core CO2 record over the past millennium provides an additional constraint on natural climate variability.
In 2005, Rep. Joe Barton, R - Texas, called Mann before Congress to testify about his now ubiquitous «hockey - stick» graph, showing temperatures in the Northern Hemisphere over the past millennia, with an abrupt spike upward at the end showing human influence on the climate.
One interesting theme that emerged from the various «last millennium» paleo sessions this year: precisely what was going on w / the tropical Pacific / ENSO over the past millennium remains quite enigmatic.
Stored solar energy built up in the oceans over past millennia dictates the temperature of the oceans which then dictate the temperature of the atmosphere.
Together with US colleagues we work towards reconstructing sea level changes over the past millennia from proxy data.
These changes in tropical Pacific Ocean SSTs over the past millennium have often been associated with internal variability of the ocean - atmosphere system [19,27,53,54] that may not be accurately represented in current climate models.
are you really going to pretend that the opulent lifestyle of the religious oligarchy over the past millennia was not supported by the «donations» of the faithful?
Advances in optics and microscopy over the past millennium have, of course, let us peer far beyond the limits of the naked eye, to view exquisite images such as a micrograph of a virus or a stroboscopic photograph of a bullet at the millisecond it punched through a lightbulb.
The intensification of winter storm activity in Alaska and Northwestern Canada started close to 300 years ago and is unprecedented in magnitude and duration over the past millennium, according to a new study from Dartmouth College.
The results — along with a recent Dartmouth - led study that found air temperature also likely influenced the fluctuating size of South America's Quelccaya Ice Cap over the past millennium — support many scientists» suspicions that today's tropical glaciers are rapidly shrinking primarily because of a warming climate rather than declining snowfall or other factors.
Now, new research presented today at the AAAS (which publishes Science) meeting here, and published in this week's issue of Science Advances, suggests that the decades - long megadroughts that hit the southwestern and midwestern United States over the past millennium may have been a mere preview of droughts to come as a result of climate change.
In comparing their computational predictions against the actual historical record provided by the Metaphor Map of English, researchers found that their models correctly forecast about 75 percent of recorded metaphorical language mappings over the past millennium.
To test their hypothesis, the scientists investigated ancient coastlines that were preserved over time, so - called paleoshorelines, to determine the rate of uplift over past millennia.
The study revealed important natural fluctuations in climate have occurred over past millennia, which would have naturally led to climatic cooling today in the absence of human activity.
After developing the computational algorithms that predicted the historical order in which the senses of a word have emerged, the team tested these predictions against records of English over the past millennium using the Historical Thesaurus of English, a large database in which each of a word's many senses is marked for its date of emergence into the language.
The group's findings were published in Cognitive Psychology in an article titled «Evolution of word meanings through metaphorical mapping: Systematicity over the past millennium
A combination of good genes and a stable environment has allowed this particularly ginormous fungus to continue its creeping existence over the past millennia.
Modeling the epidemiological history of plague in Central Asia: Palaeoclimatic forcing on a disease system over the past millennium.
Data and model perspectives on the Indian Ocean Zonal Mode over the past millennium Bronwen Konecky, James Russell, Mathias Vuille, Yongsong Huang
Julia began working on the topic with an unbelievable challenge: simulating the impacts of LCLUC over the past millennium.
In fact, there is reasonably compelling evidence that changes in drought in the western U.S. over the past millennium may, in large part, reflect the forced response of ENSO to past volcanic and solar radiative forcing.
In the study, Brian Wansink, the director of the Food and Brand Lab at Cornell University, and his brother Craig Wansink, a professor of religious studies at Virginia Wesleyan College, charted the growth in portion size in depictions of the Last Supper over the past millennium.
Member of the team Alena Kimbrough says, «We've shown ENSO is an important part of the climate system that has influenced global temperatures and rainfall over the past millennium... Our findings, together with climate model simulations, highlight the likelihood that century - scale variations in tropical Pacific climate modes can significantly modulate radiatively forced shifts in global temperature.»
Here we show that interannual hydroclimatic variability in this region has displayed a significant level of non-stationarity over the past millennium.
We used PDSI values from the North American Drought Atlas (NADA, version 2a) to detect changes in aridity variability and periodicity for the Southwest over the past millennium.
A wavelet analysis shows the evolution of the power spectrum of tree - ring derived PDSI over the past millennia (d).
200 years after the eruption of Mount Tambora, the eruption volume remains poorly known, as is true for other volcanic eruptions over past millennia.
The MD99 - 2275 core offshore Iceland is a very high - resolution ocean sediment core, results of which over the past millennium have been discussed here from time to time.
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