Sentences with phrase «for ancient climate changes»

But experts say the pattern of Eocene rainfall and rivers, while perhaps important for ancient climate changes, may not help understand future climate changes.

Not exact matches

Ancient Grape «Solution'to Climate Change: Wine cooperative Plaimont may have found a solution to a demand for less alcoholic reds from hot wine regions — an ancient grape currently known as PedebernaAncient Grape «Solution'to Climate Change: Wine cooperative Plaimont may have found a solution to a demand for less alcoholic reds from hot wine regions — an ancient grape currently known as Pedebernaancient grape currently known as Pedebernade 5...

Bowern hopes to also mine the cognate database for insights into pronouns, color terms, and changes of meaning that may give clues to ancient ways of life when climate conditions changed or trading intensified.

Yearly flooding along the lower Nile (green swath, above) was critically important for agriculture in ancient Egypt, but a new study suggests climate - changing volcanic eruptions occasionally stifled floods.

Lead author William Taylor, a postdoctoral research fellow at the Max Planck Institute for the Science of Human History, says that this model «enables us for the first time to link horse use with other important cultural developments in ancient Mongolia and eastern Eurasia, and evaluate the role of climate and environmental change in the local origins of horse riding.»

The Paleocene - Eocene Thermal Maximum (PETM)- an ancient warming event that occurred about 56 million years ago - is often thought of as a potential framework for future climate change.

Then, consider that this creature you may have heard of for the first time 30 seconds ago comes from a group of animals not only nearing extinction, but unthinkably ancient and the survivor of several extreme climate change events.

Ongoing projects examine the paleoenvironmental context for human evolution and cultural development, reconstructing ancient rivers and lakes, dating geological formations, and attempting to understand the role that climate change had in producing new species and stone - tool cultures.

For example, regarding Abbott's claim that ancient climate change before humans could mean that more recent changes are natural, Pitman said: [110]

From the University of California — Berkeley Deep sediments are unparalleled record of biotic changes over past 200,000 + years University of California, Berkeley, scientists are drilling into ancient sediments at the bottom of Northern California's Clear Lake for clues that could help them better predict how today's plants and animals will adapt to climate change...

Whether the current conditions are because of «climate change» I can't say, although researching the Arctic for my next article I was startled to see how many substantial ancient villages there were that were subsequently abandoned as climate change forced them to relocate.

For some contrasts between the Younger Dryas and the most serious droughts since then at 8200, 5200, and 4200 years ago, see Fagan (1999) and Harvey Weiss, «Beyond the Younger Dryas: Collapse as adaptation to abrupt climate change in ancient West Asia and the Eastern Mediterranean,» pp. 75 - 98 in Confronting Natural Disaster: Engaging the Past to Understand the Future, G. Bawden and R. Reycraft, editors (University of New Mexico Press 2000), at http://www.yale.edu/nelc/weiss/byd.html.

There are now several alternative proxy measures of ancient climate change, but the δ18O data (figure 1a) of Zachos et al. [4], a conglomerate of the global ocean sediment cores, is well suited for our purpose as it covers the Cenozoic era with good temporal resolution.

«We looked at the PETM because it is thought to be the best ancient analogue for future climate change caused by fossil fuel burning,» said Lee R. Kump, professor of geosciences at Penn State University.

Ancient 5,000 - Year - Old Forest Unearthed by UK Storms Scientists: IPCC Underestimating Sea Level Rise Abrupt Climate Change: Implications for People and Businesses U.S. Methane Emissions are 50 % Higher than Official Estimates

1950s: Research on military applications of radar and infrared radiation promotes advances in radiative transfer theory and measurements = > Radiation math — Studies conducted largely for military applications give accurate values of infrared absorption by gases = > CO2 greenhouse — Nuclear physicists and chemists develop Carbon - 14 analysis, useful for dating ancient climate changes = > Carbon dates, for detecting carbon from fossil fuels in the atmosphere, and for measuring the rate of ocean turnover = > CO2 greenhouse — Development of digital computers affects many fields including the calculation of radiation transfer in the atmosphere = > Radiation math, and makes it possible to model weather processes = > Models (GCMs)-- Geological studies of polar wandering help provoke Ewing - Donn model of ice ages = > Simple models — Improvements in infrared instrumentation (mainly for industrial processes) allow very precise measurements of atmospheric CO2 = > CO2 greenhouse.