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Early Climate 亚博棋牌平台
October 22, 2020
Top Headlines
 

Turbulent Era Sparked Leap in Human Behavior, Adaptability 320,000 Years Ago

Oct. 21, 2020 — The first analysis of a sedimentary drill core representing 1 million years of environmental history in the East African Rift Valley shows that at ...

Depths of the Weddell Sea Are Warming Five Times Faster Than Elsewhere

Oct. 20, 2020 — Over the past three decades, the depths of the Antarctic Weddell Sea have warmed five times faster than the rest of the ocean at depths exceeding 2,000 ...

Arctic Ocean Sediments Reveal Permafrost Thawing During Past Climate Warming

Oct. 16, 2020 — Sea floor sediments of the Arctic Ocean can reveal how permafrost responds to climate warming. Researchers have found evidence of past permafrost ...

Unprecedented Energy Use Since 1950 Has Transformed Humanity's Geologic Footprint

Oct. 16, 2020 — A new study makes clear the extraordinary speed and scale of increases in energy use, economic productivity and global population that have pushed ...
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Ice Discharge in the North Pacific Set Off Series of Climate Events During Last Ice Age

Oct. 1, 2020 — Repeated catastrophic ice discharges from western North America into the North Pacific contributed to, and perhaps triggered, hemispheric-scale changes in the Earth's climate during the last ice ...

Ice Age Manatees May Have Called Texas Home

Oct. 1, 2020 — Manatees don't live year-round in Texas, but these gentle sea cows are known to occasionally visit, swimming in for a 'summer vacation' and returning to warmer waters for the winter. ...

Rivers May Begin Jumping Course Much Farther in the Coming Years

Sep. 30, 2020 — A river's only consistent attribute is change. As the Greek philosopher Heraclitus remarked, 'No man ever steps in the same river twice.' Although this dynamic nature is often out of ...

Greenland Is on Track to Lose Ice Faster Than in Any Century Over 12,000 Years

Sep. 30, 2020 — If human societies don't sharply curb emissions of greenhouse gases, Greenland's rate of ice loss this century is likely to greatly outpace that of any century over the past 12,000 years, a ...

Volcanic Ash Could Help Reduce CO2 Associated With Climate Change

Sep. 29, 2020 — Scientists investigating ways of removing carbon dioxide (CO2) and other greenhouse gases from our atmosphere believe volcanic ash could play an important ...

Lessons from a Cooling Climate

Sep. 29, 2020 — Usually, talk of carbon sequestration focuses on plants: forests storing carbon in the trunks of massive trees, algae blooming and sinking to the seabed, or perhaps peatlands locking carbon away for ...

The Testimony of Trees: How Volcanic Eruptions Shaped 2000 Years of World History

Sep. 28, 2020 — Researchers have shown that over the past two thousand years, volcanoes have played a larger role in natural temperature variability than previously thought, and their climatic effects may have ...

Island-Building in Southeast Asia Created Earth's Northern Ice Sheets

Sep. 24, 2020 — Tectonic processes are thought to have triggered past ice ages, but how? A new analysis of mountain building in the maritime tropics of Southeast Asia attributes the last ice age, which reached a ...

Stability Check on Antarctica Reveals High Risk for Long-Term Sea-Level Rise

Sep. 23, 2020 — The warmer it gets, the faster Antarctica loses ice - and much of it will then be gone forever. That's what a team of researchers has found out in their new study on how much warming the ...

Undersea Earthquakes Shake Up Climate Science

Sep. 18, 2020 — Sound generated by seismic events on the seabed can be used to determine the temperature of Earth's warming ...

Sea Ice Triggered the Little Ice Age

Sep. 17, 2020 — A new study finds a trigger for the Little Ice Age that cooled Europe from the 1300s through mid-1800s, and supports surprising model results suggesting that under the right conditions sudden climate ...

Volcanic Ash May Have a Bigger Impact on the Climate Than We Thought

Sep. 11, 2020 — Volcanic ash shuts down air traffic and can sicken people. But a new study suggests that it may also be more important for Earth's climate than scientists once ...

Understanding Earth's 'Deep-Carbon Cycle'

Sep. 10, 2020 — New geologic findings about the makeup of the Earth's mantle are helping scientists better understand long-term climate stability and even how seismic waves move through the planet's ...

Historical Climate Fluctuations in Central Europe Overestimated Due to Tree Ring Analysis

Sep. 10, 2020 — Tree rings exaggerate, a team of researchers finds. Scientists deduce historical climatic conditions for the past hundreds of years from the width of the annual growth rings of trees. Previous ...

Humans, Not Climate, Have Driven Rapidly Rising Mammal Extinction Rate

Sep. 9, 2020 — Human impact can explain ninety-six percent of all mammal species extinctions of the last hundred thousand years, according to a new ...

Fossil Growth Reveals Insights Into the Climate

Sep. 8, 2020 — Panthasaurus maleriensis is an ancestor of today's amphibians and has been considered the most puzzling representative of the Metoposauridae. Paleontologists examined the fossil's bone ...

New Mathematical Method Shows How Climate Change Led to Fall of Ancient Civilization

Sep. 3, 2020 — A researcher developed a mathematical method that shows climate change likely caused the rise and fall of an ancient civilization. A new article outlines the technique he developed and shows how ...

Bering Sea Ice Extent Is at Most Reduced state in Last 5,500 Years

Sep. 2, 2020 — Through the analysis of vegetation from a Bering Sea island, researchers have determined that the extent of sea ice in the region is lower than it's been for thousands of ...

Biodiversity: In a Mite-Y Bit of Trouble

Sep. 2, 2020 — Mite extinctions are occurring at least 1,000 times the 'natural' rate - a finding a researcher says is another warning that global biodiversity is in deep trouble. The 1.25 million mite ...

Graduate Student Names New Trace Fossil Discovered During Coursework

Sep. 2, 2020 — An intriguing fossil find has revealed fossilized tracks of a newly discovered wood-boring organism in a new ...
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