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Geography News
October 6, 2020

Top Headlines
 

Dust Dampens Albedo Effect, Spurs Snowmelt in the Heights of the Himalayas

Dust blowing onto high mountains in the western Himalayas is a bigger factor than previously thought in hastening the melting of snow there, researchers show. That's because dust - lots of it in the ...

Rivers May Begin Jumping Course Much Farther in the Coming Years

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 sight and mind, ...

40 Percent of Amazon Could Now Exist as Rainforest or Savanna-Like Ecosystems

Researchers focused on the stability of tropical rainforests in the Americas, Africa, Asia and Oceania. With their approach they were able to explore ...

Ice Discharge in the North Pacific Set Off Series of Climate Events During Last Ice Age

Repeated catastrophic ice discharges from western North America into the North Pacific contributed to, and perhaps triggered, hemispheric-scale ...
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Are China's Pollution Remediation Efforts Making the Planet Warmer?

A 10-year effort by China to improve air quality and reduce pollution-related health risks has caused warming in areas across the northern hemisphere, according to new ...

Marine Biodiversity Reshuffles Under Warmer and Sea Ice-Free Pacific Arctic

Climate warming will alter marine community compositions as species are expected to shift poleward, significantly impacting the Arctic marine ...

Lessons from a Cooling Climate

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 ...

Ancient Adélie Penguin Colony Revealed by Snowmelt at Cape Irizar, Ross Sea, Antarctica

Researchers encountered a puzzle at Cape Irizar, a rocky cape located just south of the Drygalski Ice Tongue on the Scott Coast, Ross Sea. He found both ancient and what appeared to be fresh remains ...

The Arctic Is Burning in a Whole New Way

'Zombie fires' and burning of fire-resistant vegetation are new features driving Arctic fires -- with strong consequences for the global climate -- warn international fire ...

Spreading Ghost Forests on NC Coast May Contribute to Climate Change

A new study found the spread of ghost forests across a coastal region of North Carolina may have implications for global ...

Increasing Stability Decreases Ocean Productivity, Reduces Carbon Burial

As the globe warms, the atmosphere is becoming more unstable, but the oceans are becoming more stable, according to an international team of climate scientists, who say that the increase in stability ...

Landslides: Long-Term Effects on Tundra Vegetation

Landslides have long-term effects on tundra vegetation, a new study shows. Conducting the study in North West Siberia, the researchers found that tundra vegetation regenerated rapidly after a major ...

Sentinels of Ocean Acidification Impacts Survived Earth's Last Mass Extinction

Two groups of tiny, delicate marine organisms, sea butterflies and sea angels, were found to be surprisingly resilient -- having survived dramatic global climate change and Earth's most recent ...

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

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 ...

Coldest Northern Hemisphere Temps of Minus 69.6 Degress Celsius: Greenland, 1991

Nearly 30 years after recording a temperature of minus 93.2 degrees Fahrenheit (minus 69.6 Celsius) in Greenland, the measurement has been verified by the World Meteorological Organization as the ...

Tree Rings Show Scale of Arctic Pollution Is Worse Than Previously Thought

The largest-ever study of tree rings from Norilsk in the Russian Arctic has shown that the direct and indirect effects of industrial pollution in the region and beyond are far worse than previously ...

Marine Heatwaves Are Human-Made

Heatwaves in the world's oceans have become over 20 times more frequent due to human influence. This is what researchers are now able to demonstrate. Marine heatwaves destroy ecosystems and ...

Switching Up: Marine Bacteria Shift Between Lifestyles to Get the Best Resources

Researchers have found that marine bacteria exploit resource patches efficiently by switching between attached and planktonic lifestyles, and fine-tuning the time spent on patches depending on their ...

Major Wind-Driven Ocean Currents Are Shifting Toward the Poles

The severe droughts in the USA and Australia are the first sign that the tropics, and their warm temperatures, are apparently expanding in the wake of climate ...

Unusual Climate Conditions Influenced WWI Mortality and Subsequent Influenza Pandemic

Scientists have spotted a once-in-a-century climate anomaly during World War I that likely increased mortality during the war and the influenza pandemic in the years that ...

Newly Identified 'Landfalling Droughts' Originate Over Ocean

Researchers have identified a new type of 'landfalling drought' that originates over the ocean before traveling onto land, and which can cause larger, drier conditions than other ...

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

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 ...

Urgent Conservation Needed for World's Carnivorous Plants

New research has found approximately a quarter of carnivorous plant species across the world may be at risk of extinction due to global climate change, illegal poaching, and the clearing of land for ...

New Model -- Antarctic Ice Loss Expected to Affect Future Climate Change

In a new climate modeling study that looked at the impacts of accelerated ice melt from the Antarctic Ice Sheet (AIS) on future climate, a team of climate scientists reports that future ice-sheet ...

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