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New, rapid mechanism for atmospheric particle formation

Science Daily: Climate News - Wed, 05/13/2020 - 18:14
Researchers have discovered a previously unknown mechanism that allows atmospheric particles to very rapidly form under certain conditions. The research could aid efforts to model climate change and reduce particle pollution in cities.

New study could help better predict rainfall during El Niño

Science Daily: Climate News - Wed, 05/13/2020 - 18:14
Researchers have uncovered a new connection between tropical weather events and US rainfall during El Niño years. The results can help explain why California received significantly less rainfall than predicted during the 2015 El Niño event while massive flooding occurred in the Mississippi River basin.

Cold War nuke tests changed rainfall

Science Daily: Climate News - Wed, 05/13/2020 - 18:14
Historic records from weather stations show that rainfall patterns in Scotland were affected by charge in the atmosphere released by radiation from nuclear bomb tests carried out in the 1950s and '60s.

Chemical composition of bedrock limits vegetation growth in karst regions

Science Daily: Climate News - Wed, 05/13/2020 - 15:18
Scientists have revealed the critical role that the chemical composition of bedrock plays in limiting vegetation growth in some of the world's most barren and rocky terrains.

The butterfly effect: Climate change could cause decline of some alpine butterfly species

Science Daily: Climate News - Tue, 05/12/2020 - 20:45
The long-term effects of climate change suggests that the butterfly effect is at work on butterflies in the alpine regions of North America, according to a new study -- and the predictions don't bode well.

Growing mountains or shifting ground: What is going on in Earth's inner core?

Science Daily: Climate News - Tue, 05/12/2020 - 20:45
Exhaustive seismic data from repeating earthquakes and new data-processing methods have yielded the best evidence yet that the Earth's inner core is rotating - revealing a better understanding of the hotly debated processes that control the planet's magnetic field.

Ancient rocks show high oxygen levels on Earth 2 billion years ago

Science Daily: Climate News - Tue, 05/12/2020 - 20:45
Earth may have been far more oxygen-rich early in its history than previously thought, setting the stage for the evolution of complex life, according to new research.

DNA metabarcoding reveals metacommunity dynamics in a threatened boreal wetland

Science Daily: Climate News - Tue, 05/12/2020 - 20:44
Researchers found that DNA metabarcoding is an effective tool for detection of a broad range of biodiversity in water samples compared to traditional morphological identification methods.

Remnants of human migration paths exist underwater at 'choke points'

Science Daily: Climate News - Tue, 05/12/2020 - 20:35
A study shows evidence vital to understanding human prehistory beneath the seas in places that were dry during the Last Glacial Maximum. This paper informs one of the 'hottest mysteries' in science: the debate over when the first Asians peopled North America.

El Niño-linked decreases in soil moisture could trigger massive tropical-plant die offs

Science Daily: Climate News - Mon, 05/11/2020 - 21:21
New research has found that El Niño events are often associated with droughts in some of the world's more vulnerable tropical regions. Associated with warmer than average ocean temperatures in the eastern Pacific, El Niños can in turn influence global weather patterns and tropical precipitation, and these changes can lead to massive plant die-offs if other extreme factors are also at play.

Water loss in northern peatlands threatens to intensify fires, global warming

Science Daily: Climate News - Mon, 05/11/2020 - 18:25
Scientists have uncovered new information about the distinct effects of climate change on boreal forests and peatlands, which threaten to worsen wildfires and accelerate global warming.

New technique uses radar to gauge methane release from Arctic lakes

Science Daily: Climate News - Mon, 05/11/2020 - 18:25
A research team has developed a way to use satellite images to determine the amount of methane being released from northern lakes, a technique that could help climate change modelers better account for this potent greenhouse gas. By using synthetic aperture radar, or SAR, researchers were able to find a correlation between 'brighter' satellite images of frozen lakes and the amount of methane they produce.

Exploring the impacts of climate change on hydropower production

Science Daily: Climate News - Mon, 05/11/2020 - 18:25
A new study investigated the impacts of different levels of global warming on hydropower potential and found that this type of electricity generation benefits more from a 1.5°C than a 2°C climate scenario.

The role of European policy for improving power plant fuel efficiency

Science Daily: Climate News - Sat, 05/09/2020 - 01:46
A new study investigates the impact of the European Union Emissions Trading Scheme (EU ETS), the largest international cap-and-trade system for greenhouse gas emissions in the world, on power plant fuel efficiency.

Potentially fatal combinations of humidity and heat are emerging across the globe

Science Daily: Climate News - Fri, 05/08/2020 - 21:53
A new study has identified thousands of incidents of previously rare or unprecedented extreme heat/humidity combinations in parts of Asia, Africa, Australia, South America and North America, including in the U.S. Gulf Coast region.

Data science drives new maps to predict the growth of cities over next century

Science Daily: Climate News - Fri, 05/08/2020 - 20:38
A new global simulation model offers the first long-term look at how urbanization -- the growth of cities and towns -- will unfold in the coming decades. The research team projects the total amount of urban areas on Earth can grow anywhere from 1.8 to 5.9-fold by 2100, building approximately 618,000 square miles.

Sea level could rise by more than 1 meter by 2100 if emission targets are not met

Science Daily: Climate News - Fri, 05/08/2020 - 15:35
Scientists found that the global mean sea-level rise could exceed 1 meter by 2100 and 5 meters by 2300 if global targets on emissions are not achieved.

Prediction tool shows how forest thinning may increase Sierra Nevada snowpack

Science Daily: Climate News - Thu, 05/07/2020 - 23:40
Thinning the Sierra Nevada forest by removing trees by hand or using heavy machinery is one of the few tools available to manage forests. However, finding the best way to thin forests by removing select trees to maximize the forest's benefits for water quantity, water quality, wildfire risk and wildlife habitat remains a challenge for resource managers.

Planting trees is no panacea for climate change

Science Daily: Climate News - Thu, 05/07/2020 - 21:30
A restoration ecologist has a simple message for anyone who thinks planting 1 trillion trees will reverse the damage of climate change: 'We can't plant our way out of climate change.'

Benthos in the Antarctic Weddell Sea in decline

Science Daily: Climate News - Thu, 05/07/2020 - 20:07
Over the past quarter-century, changes in Antarctic sea-ice cover have had profound impacts on life on the ocean floor.

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