Sentences with phrase «best ancient climate»
For this reason, the PETM, which has been identified in hundreds of sediment core samples worldwide, is probably the best ancient climate analogue for present - day Earth.
http://www.realclimate.org/ Not exact matches
Using an interdisciplinary approach that combined evidence from climate modelling of large 20th - century eruptions, annual measurements of Nile summer flood heights from the Islamic Nilometer — the longest - known human record of environmental variability — between 622 and 1902, as well as descriptions of Nile flood quality in ancient papyri and inscriptions from the Ptolemaic era, the authors show how large volcanic eruptions impacted on Nile river flow, reducing the height of the agriculturally - critical summer flood.
Given that our own changing climate is hotly debated, the fate of the ancient megafauna could help clarify the future as well as the past.
MEACHEM: We would really love to discover some more mammal fossils down there and what we're really hoping to get out of these mammal fossils is some good ancient DNA, that will tell us about the conditions that these animals lived in and how DNA or genes changed with climate.
The study noted that the same climate models the UN IPCC uses can only «explain only about half of the heating that occurred during a well - documented period of rapid global warming in Earth's ancient past.»
«The study found that climate models explain only about half of the heating that occurred during a well - documented period of rapid global warming in Earth's ancient past.
The interesting sidelight on that discovery is the ancient climate was quite different as well.
Its ancient ancestor, Avena sterilis, was native to the Fertile Crescent in the Near East, but domesticated oats do best in cool, moist climates like regions of Europe and the United States.
They are ancient hunting dogs well suited for most climates.
By foot — INCA TRAIL: The Inca Trail to Machu Picchu is rated among the ten best trekking trails in the world because of its striking beauty, ancient Inca ruins and diverse contrast in climate / ecological zones.
It features some of the most dramatic and rapid climate shifts in Earth's history, as well as tenacious scientists braving the hostile ice and snows of Greenland and Antarctica for years on end to bring home that most precious material: kilometre - long cores of ancient ice, dating back over a hundred thousand years.
The study, which appears in Nature Geoscience, found that climate models explain only about half of the heating that occurred during a well - documented period of rapid global warming in Earth's ancient past.
Reconstructing ancient carbon cycles is really hard to do and once again climate models using the best available proxy data are our best bet.
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...
Like «champagne bottles being opened»: Scientists document an ancient Arctic methane explosion What could possibly go wrong, ignoring climate change, the warnings or clues from what science tells us, even if we were just creating a better world with clean energy, and millions of new jobs?
She had the space to do so, but instead hypothesized that science (and presumably climate science) bases its approach to statistical testing in the long shadow of its ancient historical ties to religion, which is something she may well be able to offer an opinion about, as an historian, but which has minimal relevance to policy makers or the interested public in interpreting scientific claims as found, say, in the IPCC reports.
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.
We can determine the past climate of the Earth by mapping the distribution of ancient coals, desert deposits, tropical soils, salt deposits, glacial material, as well as the distribution of plants and animals that are sensitive to climate, such as alligators, palm trees & mangrove swamps.
Raypierre's climate book in Chapter 5 gives a good overview of scattering, particularly Rayleigh and Mie scattering which help explain things why aerosols scatter light, why the sky appears blue, why CO2 clouds (say on ancient Mars) can scatter infrared radiation good but water clouds on Earth don't have that effect, etc..