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Categories: Environmental: Wildfires, Geoscience: Earthquakes

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Environmental: Wildfires Geoscience: Landslides
Published

New model developed to predict landslides along wildfire burn scars      (via sciencedaily.com) 

Researchers have augmented a physics-based numerical model to investigate and predict areas susceptible to debris flows. This augmented model eventually could be used in an early warning system for people living in high-risk areas, enabling them to evacuate before it's too late. Information from model simulations also could be used to design new infrastructure -- such as diversion bars that deflect fast-moving water away from homes and roads -- for high hazard zones.

Environmental: Wildfires
Published

New methodology helps predict soil recovery after wildfires      (via sciencedaily.com) 

A team of investigators devised a new methodology to enable predictions of how plant growth and water quality would change in the wake of wildfires.

Environmental: Wildfires
Published

Wildfire-smoke observations fill gap in estimating soot's role in climate change      (via sciencedaily.com) 

New research refining the amount of sunlight absorbed by black carbon in smoke from wildfires will help clear up a long-time weak spot in earth system models, enabling more accurate forecasting of global climate change.

Geoscience: Earthquakes
Published

Global supply chains remain resilient in the wake of natural disasters      (via sciencedaily.com) 

While many U.S. policy makers are calling for reshoring and nearshoring to combat trade disruptions caused by COVID-19, new research suggests retrenchment of global supply chains is unlikely to happen in the post-pandemic context.

Environmental: Wildfires
Published

Cats injured in wildfires at risk of deadly blood clots      (via sciencedaily.com) 

Cats injured in California wildfires are at risk of forming deadly blood clots, according to new research.

Environmental: Wildfires
Published

California's trees are dying, and might not be coming back      (via sciencedaily.com) 

The State of California is banking on its forests to help reduce planet-warming carbon dioxide in the atmosphere. But that element of the state's climate-change solution arsenal may be in jeopardy, as new research reports that trees in California's mountain ranges and open spaces are dying from wildfires and other pressures -- and fewer new trees are filling the void.

Geoscience: Earthquakes
Published

Novel model of fluid distribution in the Cascadia Subduction Zone aids understanding of seismic activity      (via sciencedaily.com) 

A novel three-dimensional model of the fluid stored deep in Earth's crust along the Cascadia Subduction Zone provides new insight into how the accumulation and release of those fluids may influence seismic activity in the region.

Geoscience: Earthquakes Geoscience: Volcanoes
Published

Shockwave caused by Tonga underwater eruption may help scientists predict future tsunami      (via sciencedaily.com) 

Using data from the eruption of the underwater volcano near Tonga in 2022, researchers used disturbances in Earth's upper atmosphere to track the airwaves that cause tsunami. Their findings may lead to speedier predictions of these giant waves.

Geoscience: Earthquakes
Published

Haiti's 1860 Jour de Pâques earthquakes may have released strain in key fault zone      (via sciencedaily.com) 

Using details from historical newspaper accounts and letters, seismologists have learned more about Haiti's 1860 Jour de Pâques (Easter Sunday) earthquake sequence, and how it might have impacted the country's most recent devastating earthquakes.

Environmental: Wildfires
Published

California's Dixie Fire shows impact of legacy effects, prescribed burns      (via sciencedaily.com) 

The 2021 Dixie Fire burned over nearly 1 million acres in California and cost $637 million to suppress, making it the largest and most expensive wildfire to contain in state history. Fire history largely determined how severely the wildfire burned, and low-severity fire treatments had the largest impact on reducing the worst effects of the fire, according to a research team.

Environmental: Wildfires
Published

Study reveals an unprecedented change in Europe's fire regime      (via sciencedaily.com) 

A study reveals an unprecedented change in the fire regime in Europe which is related to climate change. The affected areas are in Southern, Central and Northern Europe but this historical change in Europe's fire regime is more intense in the Mediterranean area.

Environmental: Wildfires
Published

Climate change will increase chances of wildfire globally -- but humans can still help reduce the risk      (via sciencedaily.com) 

New research highlights how the risk of wildfire is rising globally due to climate change -- but also, how human actions and policies can play a critical role in regulating regional impacts. The study shows that anthropogenic climate change is a 'push' factor that enhances the risk of wildfires globally.

Environmental: Wildfires
Published

Wildfires may have sparked ecosystem collapse during Earth's worst mass extinction      (via sciencedaily.com) 

New research reveals that wildfires may have been a key contributor to the total collapse of land ecosystems during Earth's worst mass extinction event over 250 million years ago.

Geoscience: Earthquakes
Published

'Quake brain' effects suffered by resilient Cantabrians fade over time      (via sciencedaily.com) 

New research suggests the brain function of otherwise-healthy individuals exposed to event trauma has the ability to 'bounce back' over time once the threat resolves. Researchers conducted a follow-up study on a group of Cantabrians, who had been exposed to trauma during the region's earthquakes over a decade ago.

Environmental: Wildfires
Published

Simultaneous extreme weather created dangerous cascades in U.S.      (via sciencedaily.com) 

Intense heat in the southwestern United States broke records last summer partly because it hit in tandem with an unusually severe drought, finds a new study measuring for the first time how the two extreme weather events dangerously interacted in real time.

Geoscience: Earthquakes
Published

'Hindcasting' helps identify causes of induced earthquakes in Delaware Basin, West Texas      (via sciencedaily.com) 

Using a method that works backward from a set of observed earthquakes to test seismic models that fit those observations, researchers working in the Delaware Basin were able to determine whether earthquakes in the region since 2017 were caused by oil and gas operations.

Environmental: Wildfires
Published

Insight into past--and future--of Western US wildfires      (via sciencedaily.com) 

A new study examines the context surrounding the fires and offers insight into the historical role of large, high-severity fires -- and the future of wildfires -- west of the Cascades.

Environmental: Wildfires
Published

Wildfire smoke exposure negatively impacts dairy cow health      (via sciencedaily.com) 

Increasing frequency and size of wildfires in the United States over the past several decades affect everything from human life and health to air quality, biodiversity, and land use. The US dairy industry is not exempt from these effects. The Western states, where wildfires are especially prevalent, are home to more than two million dairy cows that produce more than 25% of the nation's milk. A new report examines how dairy cattle in the Western United States may be affected by unique air pollutants from wildfire smoke.

Environmental: Wildfires
Published

Earliest record of wildfires provide insights to Earth's past vegetation and oxygen levels      (via sciencedaily.com)     Original source 

While wildfires over recent years have raged across much of the western United States and pose significant hazards to wildlife and local populations, wildfires have been a long-standing part of Earth's systems without the influence of humans for hundreds of millions of years.

Environmental: Wildfires
Published

New fire shelter prototypes could buy time for wildfire firefighters      (via sciencedaily.com)     Original source 

Temperatures inside new wildfire shelter prototypes remained within survival limits for longer, and the shelters took longer to break open, compared with an industry standard.