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Climate change and climate prediction. Read science articles on regional climates and global climate shifts. Updated daily.
Updated: 2 hours 40 min ago

Climate extremes will cause forest changes

Thu, 06/25/2020 - 18:59
No year has been as hot and dry as 2018 since climate records began. Central European forests showed severe signs of drought stress. Mortality of trees triggered in 2018 will continue for several years.

Spider baby boom in a warmer Arctic

Thu, 06/25/2020 - 17:25
Climate change leads to longer growing seasons in the Arctic. A new study shows that predators like wolf spiders respond to the changing conditions and have been able to produce two clutches of offspring during the short Arctic summer. The greater number of spiders may influence the food chains in Greenland.

Changes in water of Canadian Arctic

Thu, 06/25/2020 - 00:20
Melting of Arctic ice due to climate change has exposed more sea surface to an atmosphere with higher concentrations of carbon dioxide. Scientists have long suspected this trend would raise CO2 in Arctic Ocean water. Now researchers have determined that, indeed, CO2 levels are rising in water across wide swaths of the Arctic Ocean's Canada Basin.

Increased warming in latest generation of climate models likely caused by clouds

Wed, 06/24/2020 - 22:16
As scientists work to determine why some of the latest climate models suggest the future could be warmer than previously thought, a new study indicates the reason is likely related to challenges simulating the formation and evolution of clouds.

Adirondack boreal peatlands near southern range limit likely threatened by warmer climate

Wed, 06/24/2020 - 22:15
A study documents an invasion happening in the Adirondacks: the black spruce, tamarack, and other boreal species are being overcome by trees normally found in warmer, more temperate forests. Ultimately, researchers predict that these invaders could overtake a variety of northern species, eliminating trees that have long been characteristic of wetlands like Shingle Shanty Preserve in the Adirondacks.

Agricultural conservation schemes not enough to protect Britain's rarest butterflies

Wed, 06/24/2020 - 05:54
Conservation management around the margins of agriculture fail to protect butterfly species at greatest risk from the intensification of farming, a new study says.

Airborne mapping sheds light on climate sensitivity of California redwoods

Tue, 06/23/2020 - 21:53
To better understand redwood habitat suitability, a team of researchers combined high-resolution redwood distribution maps with data on moisture availability to identify the environmental factors that shape redwood distribution.

New opportunities for ocean and climate modelling

Tue, 06/23/2020 - 17:42
The continuous development and improvement of numerical models for the investigation of the climate system is very expensive and complex. At GEOMAR a new modular system has now been presented, which allows investigations to be carried in a flexible way, with varying levels of complexity. The system, called FOCI (Flexible Ocean and Climate Infrastructure), consists of different components that can be adapted and used, depending on the research question and available computing power.

Wet wipes and sanitary products found to be microplastic pollutants in Irish waters

Tue, 06/23/2020 - 17:42
Researchers have carried out a study on the contribution of widely flushed personal care textile products (wet wipes and sanitary towels) to the ocean plastic crisis.

Eruption of Alaska's Okmok volcano linked to period of extreme cold in ancient Rome

Mon, 06/22/2020 - 22:25
Scientists and historians have found evidence connecting an unexplained period of extreme cold in ancient Rome with an unlikely source: a massive eruption of Alaska's Okmok volcano, located on the opposite side of the Earth. A new study uses an analysis of tephra (volcanic ash) found in Arctic ice cores to link this period of extreme climate in the Mediterranean with the caldera-forming eruption of Alaska's Okmok volcano in 43 BCE.

When planting trees threatens the forest

Mon, 06/22/2020 - 20:30
The first-of-its-kind study reveals that subsidies for the planting of commercially valuable tree plantations in Chile resulted in the loss of biologically valuable natural forests and little, if any, additional carbon sequestration.

Research sheds new light on the role of sea ice in controlling atmospheric carbon levels

Mon, 06/22/2020 - 20:30
A new study has highlighted the crucial role that sea ice across the Southern Ocean played in controlling atmospheric carbon dioxide levels during times of past climate change, and could provide a critical resource for developing future climate change models.

Ice core research in Antarctica sheds new light on role of sea ice in carbon balance

Mon, 06/22/2020 - 20:29
New research findings underline the crucial role that sea ice throughout the Southern Ocean played for atmospheric CO2 in times of rapid climate change in the past. An international team has shown that the seasonal growth and destruction of sea ice in a warming world increases the biological productivity of the seas around Antarctica by extracting carbon from the atmosphere and storing it in the deep ocean.

Human activity on rivers outpaces, compounds effects of climate change

Fri, 06/19/2020 - 18:57
The livelihoods of millions of people living along the world's biggest river systems are under threat by a range of stressors caused by the daily economic, societal and political activity of humans -- in addition to the long-term effects of climate change, researchers report.

The exhaust gas from a power plant can be recovered and used as a raw reaction material

Fri, 06/19/2020 - 16:42
A research group developed a new technology that can drastically conserve the energy used to capture CO2 from gases exhausted from a concentrated source such as thermal power plants. With this technology, namely H2 stripping regeneration technology, combustion exhaust gas can be replaced by CO2/H2 gas at lower temperatures than those used in conventional technology.

Forest loss escalates biodiversity change

Thu, 06/18/2020 - 22:02
New international research reveals the far-reaching impacts of forest cover loss on global biodiversity.

Use of forests to offset carbon emissions requires an understanding of the risks

Thu, 06/18/2020 - 22:02
Given the tremendous ability of forests to absorb carbon dioxide from the atmosphere, some governments are counting on planted forests as offsets for greenhouse gas emissions -- a sort of climate investment. But as with any investment, it's important to understand the risks. If a forest goes bust, researchers say, much of that stored carbon could go up in smoke.

Fish fossils become buried treasure

Thu, 06/18/2020 - 17:24
Rare metals crucial to green industries turn out to have a surprising origin. Ancient global climate change and certain kinds of undersea geology drove fish populations to specific locations. As remains of the fish fossilized, they accumulated valuable elements and these fossil beds became concentrated deposits of such metals. This discovery could aid future prospects for deposits of so-called rare-earth elements in other undersea locations.

Knock-knock? Who's there? How coral let symbiotic algae in

Wed, 06/17/2020 - 22:00
Biologists have solved a longstanding marine science mystery that could aid coral conservation. The researchers identified the type of cell that enables a soft coral to recognize and take up the photosynthetic algae with which it maintains a symbiotic relationship, as well as the genes responsible for this transaction.

Arctic Ocean acidification worse than previously expected

Wed, 06/17/2020 - 21:59
The Arctic Ocean will take up more carbon dioxide over the 21st century than predicted by most climate models, according to researchers. This additional carbon dioxide causes a distinctly stronger ocean acidification.

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