Articles tagged with Soil Erosion
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Agricultural soil erosion removes more carbon from the atmosphere than it emits, creating carbon sinks equivalent to 1.5% of annual fossil fuel emissions. The study challenges previous assessments that erosion contributes significantly to global warming.
Researchers found that erosion acts as a sink for atmospheric carbon, capturing about 1.5% of annual fossil-fuel emissions worldwide. This challenges previous estimates suggesting soil erosion could be a significant source or sink of carbon.
A 300-year record of soil erosion in Kenya has been created using coral samples from the Indian Ocean, revealing a dramatic increase in erosion since British colonialism began. The study highlights the importance of sustainable land use practices to mitigate soil erosion and its consequences for food production.
Research finds that heavy rainfall and flooding can lead to more dust being released into the atmosphere, especially in regions like the Tigris-Euphrates Basin and North Africa. In contrast, areas with more vegetation and lower wind speeds tend to experience a decrease in dust emissions.
Researchers resolve global atmospheric circulation and cumulus convection issues using new modeling approaches. Volcanologists examine relationships between magma movement and fault orientation to better understand earthquake locations. Coral analysis reveals correlation between Indian Ocean sea surface temperature changes and El Nino ...
Agriculture can provide food and energy security while sustaining soil and water resources, says Kansas State University professor Charles W. Rice. Properly managed agricultural systems can conserve soil and water, but excessive tillage, low productivity, and residue removal result in loss of biodiversity and environmental degradation.
Researchers found that human activities, mainly agriculture and construction, cause more soil erosion than all natural processes combined. This situation is particularly critical due to the rapid growth of the Earth's population and widespread land use.
Researchers found that increasing soil depth and volume leads to increased species occupation and complementary biodiversity effects. The study suggests that intercropping may benefit from deeper soils, but soil erosion could reduce these benefits.
A study found that ponderosa pine and Douglas fir needles can reduce water flow erosion by up to 60% and rain-induced erosion by up to 80%. Researchers used artificial rain laboratory experiments to test the effectiveness of needle cover in preventing post-fire soil erosion.
New study by Benjamin Burke and Arjun Heimsath predicts future soil production and erosion in similar landscapes, supporting previous research on chemical weathering's role. The researchers studied three sites in Australia and California, finding variability in chemical and physical weathering processes across small areas.
Structural engineers at UCSD are researching ways to stabilize fragile cliffs along the US coastline, particularly in San Diego County. Their comprehensive guidebook aims to provide proactive solutions to prevent erosion and destruction, while maintaining environmental integrity.
Researchers found that soil erosion has been steadily decreasing since the 1930s, with erosion now at a mere 6% of its peak during the Dust Bowl era. The study's findings suggest that conservation efforts are working and watersheds are more intricate than previously thought.