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Climate change and climate prediction. Read science articles on regional climates and global climate shifts. Updated daily.
Updated: 1 hour 3 min ago

Change in global precipitation patterns as a result of climate change

Thu, 12/17/2020 - 20:53
Earth's climate system is largely determined by the differences in temperature between the tropics and the poles. Global warming is likely to cause global atmospheric circulation to change and progressively revert to a situation similar to that of 5,000 to 10,000 years ago.

Weddell sea: Whale song reveals behavioral patterns

Thu, 12/17/2020 - 20:53
Scientists have now used permanently installed underwater microphones, which have been recording for the past nine years, to successfully gather and analyze whale observation data from the Weddell Sea. The AWI's underwater recordings confirm: Minke whales prefer the shelter of sea ice, while humpback whales avoid it.

Greenland 'knickpoints' could stall spread of glacial thinning

Thu, 12/17/2020 - 18:28
The jagged terrain of Greenland's mountains is protecting some of the island's outlet glaciers from warm coastal waters, according to a team of researchers. However, in regions where the flat bedrock offers no such protection, runaway thinning can reach far into the ice sheet and eat away at previously unaffected ice and contribute to sea level rise.

Colorado river mystery solved: Ancient shallow sea with strong tides

Thu, 12/17/2020 - 16:23
Researchers have provided new evidence that today's desert landscape of the Colorado River's lower valley was submerged roughly 5 million to 6 million years ago under shallow seas with strong, fluctuating tidal currents.

Carbon capture's next top model

Wed, 12/16/2020 - 22:51
Creating accurate, detailed models is key to scaling up carbon capture technology. A recent article examines and compares the various modeling approaches for hollow fiber membrane contactors (HFMCs), a type of carbon capture technology. The group analyzed over 150 cited studies of multiple modeling approaches to help researchers choose the technique best suited to their research.

Monitor groundwater along river corridors

Wed, 12/16/2020 - 20:46
Spend time in any of the world's great forests and you'll start seeing the trees as immense pillars holding the heavens aloft while firmly anchored in the earth. It's as much fact as sentiment. Trees really do link the ground to the sky by exchanging energy and matter between the soil and the atmosphere.

Infrastructure key to balancing climate and economic goals in developing countries

Wed, 12/16/2020 - 17:46
Developing nations have an opportunity to avoid long-term dependence on fossil fuel-burning infrastructure as they move toward economic stability, even if they are slow to cut carbon emissions, say the authors of a new article. Countries with low per capita incomes can keep their contributions to global warming to 0.3 degrees Celsius with careful foresight and planning, urge scientists.

Babbler bird falls into climate change trap

Wed, 12/16/2020 - 15:50
Animals can fall into an 'ecological trap' by altering their behavior in the 'wrong direction' in response to climate change, researchers say.

Urban land and aerosols amplify hazardous weather, steer storms toward cities

Tue, 12/15/2020 - 23:49
Urban landscapes and human-made aerosols have the potential to not only make gusts stronger and hail larger; they can also start storms sooner and even pull them toward cities, according to new research exploring the impact of urban development on hazardous weather.

Attitudes about climate change are shifting, even in Texas

Tue, 12/15/2020 - 21:22
Longstanding skepticism among Texans toward the climate movement has shifted, and attitudes in the nation's leading energy-producing state now mirror those in the rest of the United States, according to new research.

AI model shows promise to generate faster, more accurate weather forecasts

Tue, 12/15/2020 - 21:22
A model based solely on the past 40 years of weather events uses 7,000 times less computer power than today's weather forecasting tools. An A.I.-powered model could someday provide more accurate forecasts for rain, snow and other weather events.

Error correction means California's future wetter winters may never come

Tue, 12/15/2020 - 21:22
After probing a persistent error in widely used models, researchers estimate that California will likely experience drier winters in the future than projected by some climate models, meaning residents may see less spring runoff, higher spring temperatures, and an increased risk of wildfire in coming years.

Oceanographers have an explanation for the Arctic's puzzling ocean turbulence

Tue, 12/15/2020 - 21:08
Oceanographers have an explanation for the Arctic's puzzling ocean turbulence: Their study suggests waters will become more turbulent as Arctic loses summertime ice.

The melting of the Greenland ice sheet could lead to a sea level rise of 18 cm in 2100

Tue, 12/15/2020 - 18:20
A new study, applying the latest climate models, of which the MAR predicts a 60% greater melting of the Greenland ice sheet than previously predicted. Data that will be included in the next IPCC report.

Climate change -- not Genghis Khan -- caused the demise of Central Asia's river civilizations, research shows

Tue, 12/15/2020 - 18:20
While Genghis Khan and Mongol invasion is often blamed for the fall of Central Asia's medieval river civilizations, new research shows it may have been down to climate change. Researchers conducted analysis on the region and found that falling water levels may have led to the fall of civilizations around the Aral Sea Basin, as they depended on the water for irrigation-based farming.

Fractured bedrock in forests is overlooked source of natural CO2

Tue, 12/15/2020 - 17:43
According to a new study, CO2 is being produced deep underground in bedrock fractures. This source could account for up to 29% of the daily average CO2 emitted by the land.

Delayed Arctic ice advance tracked back to atmospheric conditions near Alaska months prior

Tue, 12/15/2020 - 16:59
Experts recently discovered that atmospheric conditions near Alaska can affect sea ice conditions in the Arctic Ocean months later. The team used various data, including ship-based data from 2018, to uncover how a single atmospheric event over the northern Pacific Ocean caused significantly delayed sea ice formation in the Pacific Arctic region.

Scientists warn of likely massive oil spill endangering the Red Sea, region's health

Tue, 12/15/2020 - 15:21
A new study is calling for action to remove the oil from a decaying and inactive tanker in the Red Sea that holds approximately one million barrels of oil - four times the amount of oil contained in the Exxon Valdez, the tanker that had a disastrous environmental oil spill in 1989 - before its current seepage turns into a massive oil spill into the sea.

Trees are out of equilibrium with climate

Tue, 12/15/2020 - 02:24
A research team studied the current ranges of hundreds of North American trees and shrubs to assess the degree to which species are growing in all of the places that are climatically suitable. Researchers found evidence of widespread 'underfilling' of these potential climatic habitats -- only 50% on average -- which could mean that trees already have disadvantage as the world continues to warm.

Planning ahead protects fish and fisheries

Tue, 12/15/2020 - 02:23
Conservation of fish and other marine life migrating from warming ocean waters will be more effective and also protect commercial fisheries if plans are made now to cope with climate change, according to a new study.