Sentences with phrase «ancient climate by»

Venus may have had a shallow liquid - water ocean and habitable surface temperatures for up to 2 billion years of its early history, according to computer modeling of the planet's ancient climate by scientists at NASA's Goddard Institute for Space Studies (GISS) in New York.

Not exact matches

I was becoming increasingly captivated by climate change — modern and ancient — and the mechanisms used to study it.

The dramatic site of Brak had been briefly excavated by Mallowan in the 1930s, but Christie found it not to her liking, since rainfall was too sparse for the flowers she loved to grow; they split their time with another ancient mound farther north with a slightly wetter climate.

By learning more about Earth's ancient climate, scientists hope to get a glimpse of what's likely to occur in the future.

Their work, which links ancient climate and archaeological data, could help modern communities identify new crops and other adaptive strategies when threatened by drought, extreme weather and other environmental challenges.

A new study linking paleoclimatology — the reconstruction of past global climates — with historical analysis by researchers at Yale and other institutions shows a link between environmental stress and its impact on the economy, political stability, and war - fighting capacity of ancient Egypt.

Although scientists can learn about past climate by examining ancient lake sediments, in the Sahara the lakes dried up long ago and their sediments have blown away.

Research led by the Australian Centre for Ancient DNA (ACAD) at the University of Adelaide, published in Science Advances, has revealed that it was only when the climate warmed, long after humans first arrived in Patagonia, did the megafauna suddenly die off around 12,300 years ago.

Evidence based on ancient DNA samples and historical climate patterns has suggested that the recurrent outbreaks of the second pandemic were caused by multiple reintroductions of Yersinia pestis into Europe, most likely from Asia.

By analyzing the chemical clues locked inside an ancient Martian meteorite known as Black Beauty, Florida State University Professor Munir Humayun and an international research team are revealing the story of Mars» ancient, and sometimes startling, climate history.

A new study published in Scientific Reports finds that bandicoots are not only more ancient than anyone thought, they're probably no strangers to the pressures and shifts brought on by climate change.

Boulders deposited by an ancient glacier that once covered the summit of Mauna Kea on the island of Hawaii are providing clues to past climate changes on Earth.

The research from NASA's Goddard Institute for Space Studies (GISS), published this week in the journal Geophysical Research Letters, used topographical and atmospheric data collected by the Pioneer and Magellan space probes to create 3 - D climate simulations, filling in lowlands with water and accounting for an ancient sun 30 percent dimmer than it is today.

The absurd disdain for calculating the real effects of UHI by the Ipcc, Real Climate et al - a very measurable effect known about since Ancient Rome - do nothing to help the case of the warmists.

Peru is a country of varied climate because the influence of the following phenomena: The territory now covered by Peru included ancient cultures such as the Chavin Culture and the Moche Civilization among other significant civilizations.

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.

The $ 200,000 Tyler Prize for 2009, one of the top awards for environmental achievement, will be shared by Richard Alley, who has spent decades probing the planet's ancient ice for climate clues, and Veerabhadran «Ram» Ramanathan, an atmospheric scientist whose focus has been the substantial influence of sooty pollution on climate and health in South Asia.

Ancient Climate Studies Suggest Earth On Fast Track To Global Warming by Staff Writers Santa Cruz CA (SPX) Feb 16, 2006

Meanwhile important news came from studies of ancient climates recorded in Antarctic ice cores, retrieved by a French and Russian team from one of the most inhospitable places on Earth.

Ancient Middle East peoples disrupted the climate by over grazing and other agrarian and deforestation practices.

Current climate change predictions have been confirmed by an ancient warming event that surpasses today's warming world, according to a new study.

Study of ancient climates reveals climate sensitivity in same range as predicted independently by computer models.

In addition, the scientists determined that the climate models, favored by the IPCC and other non-empirical based scientists, are unable to faithfully mimic the ancient past AMO variability due to geographic differences (location differences)- a major climate modeling failure.

By looking at the fossils, paleontologists can tell what the ancient climate at Cerrejón was like (hotter and wetter than it is today) and what the foliage was like (very lush and similar to today's Amazon jungle).

These days when one goes to hear a talk on ancient climates of North America, one is likely to learn that the speaker was forced into early retirement from the U.S. Geological Survey by budget cuts.

In a similar vein, the ancient Norse — drawing, perhaps, on some racial memory of climate change in the prehistoric past — insisted in their eschatology that the end of the world (Ragnarok, marked by warring among gods and men and great natural disasters) would be preceded by three great winters or «fimbulwinters.»

The study, led by Michael E. Mann, a climatologist now at Pennsylvania State University, was the first to estimate widespread climate trends by stitching together a grab bag of evidence, including variations in ancient tree rings and temperatures measured in deep holes in the earth.

By Barry Brown Canadian researchers studying the ArcticÂ's ancient permafrost have discovered 700,000 - year - old ice wedges buried in the soil that have survived earlier periods of global warming, adding complexity to predictions about the impact of contemporary climate change.

The announcement comes as research published by the National Academies shows that extreme heat waves can be attributed with near - certainty to climate change; a NOAA study links global warming to toxic algae blooms; and paleoclimatic research shows that Antarctic glaciers fluctuated with ancient CO2 levels, raising sea level tens of meters when CO2 levels were just 500 ppm.

Like Tvauri explains, these heat storage hypocausts rather common in 14th - 15th century Livonia — where the climate was much colder compared to the Central and Western Europe — were born combining the ancient method of heat storage (stones) used by the indigenous inhabitants of present day Finland, Estonia, and Latvia in their saunas for hundreds of years with the hypocaust technology originating from Rome used by monks and religious orders.

«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.

«God's Bathtub:» Ancient Lake In Australia Found To Be Unaffected By Climate Change (PHOTO) Where the world's greenhouse gases come from.

Thomas Hearing said: «We hope that this approach can be used by other researchers to build up a clearer picture of ancient climates where conventional climate proxy data are not available.»

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

1966 Emiliani's analysis of deep - sea cores and Broecker's analysis of ancient corals show that the timing of ice ages was set by small orbital shifts, suggesting that the climate system is sensitive to small changes.

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.

Study of ancient climates reveals climate sensitivity to CO2 in same range as predicted independently by computer models.

And prehistory has its own lesson: there is evidence that at least one ancient civilisation may have been toppled by climate change.