Researchers develop a new material with nanohydroxyapatite and green tea polyphenol EGCG to combat tooth sensitivity. The material plugged dentin tubules, released EGCG for 96 hours, and prevented biofilm formation, showing low toxicity.
Climate change projections indicate that Japan's coastal zones will experience significant beach erosion due to rising sea levels and increased wave heights. The study suggests that beach-loss rates may reach as high as 83% by 2100, posing a significant threat to coastal management.
Researchers found that untreated graywater causes soil hydrophobicity, leading to water runoff and erosion. Treating the graywater through biofiltration mitigates this issue, making it suitable for irrigation in arid regions.
A University of Illinois study concludes that the Missouri River requires a multi-state cooperation plan to manage its dynamics and mitigate damages from flooding and erosion. Human activities such as dam construction have altered the river's course, causing sedimentation and increasing flood risks.
A new global erosivity map shows significant variations in rainfall erosivity across different climatic regions, highlighting the need for soil degradation mitigation and restoration strategies. The map provides critical data for assessing soil erosion by water, flood risk, and natural hazard prevention.
Researchers at Tel Aviv University discovered basin-wide erosion rates incompatible with known tectonic and climatic regimes of the period. The findings indicate that human impact on the environment began significantly affecting the Earth's geology around 11,500 years ago.
Researchers discovered that microorganisms initiate beachrock formation, providing a natural coastline stabilisation strategy for vulnerable sandy beaches on coral reef cays. This finding could help protect unique habitats and prevent erosion of these critical ecosystems.
Soil column thickness significantly influences the transition from hillslopes to channels. Climate plays a crucial role in triggering arroyos exclusively found in south-flowing catchments. These findings highlight the importance of soil development in shaping erosion instabilities.
Researchers have discovered that sedimentary cycles are linked to sea level changes, rather than mountain erosion. The study uses carbon isotopes to predict sedimentary rock distribution and better understand the Earth's sedimentary history.
A Drexel University team developed a new concrete mix using fly ash, slag, and silica fume to resist chemical erosion from road salt. The research found that these supplementary cement materials can be substituted into the mix with better results when exposed to calcium chloride deicing salt.
A recent study challenges GIS credibility in assessing shoreline erosion to archaeological sites, highlighting the need for more current imagery sources and semi-regular updates. The research suggests that while GIS can be useful in identifying areas at risk, its limitations due to volatile weather conditions must be acknowledged.
Researchers found that rotational grazing with a fenced riparian buffer or converting pastures to hayfields reduced soil erosion and runoff. These practices lowered sediment concentrations, volumes, and loads in watersheds compared to continuous grazing.
Researchers found that minimizing soil disturbance, ensuring permanent organic cover crops, and diversifying crops through crop rotation improved soil properties. These techniques created a beneficial environment for microorganisms, fungi, and earthworms, ultimately leading to increased crop productivity and reduced erosion.
Researchers found sea floor erosion has increased water depths by more than predicted, threatening coastal communities with storms and erosion. Coral reefs worldwide are declining due to various forces, including climate change, overfishing, and pollution.
Researchers at Oregon State University have developed a new, automated technology to analyze the potential for rockfalls from cliffs onto roads and areas below. The system, called a 'rockfall activity index,' uses LIDAR technology to map large areas quickly and accurately assess risks.
A new study led by University of Wyoming researchers reveals that dust is a crucial factor in mountainous forest ecosystems, dominating nutrient budgets despite continuous erosion. The study found that dust contains plant-essential nutrients like phosphorus, which is more abundant than nutrients from bedrock.
A study by Colorado State University researchers found that an extreme flooding event in 2013 eroded over 500,000 cubic meters of sediment, equivalent to 115 years of weathering products. The flood also discharged large amounts of organic carbon and wood into reservoirs, affecting water storage capacity.
Changes on Comet 67P's surface were likely driven by seasonal events, according to a new study. The comet's surface has been shaped over time through cometary-specific weathering, erosion, and transient events.
Researchers observed growing fractures, collapsing cliffs, and rolling boulders on the comet's surface during its two-year investigation. Changes were linked to geological processes like weathering, erosion, sublimation of water ice, and mechanical stresses.
Researchers aim to quantify soil mass balance, production rates and lifespan in agricultural landscapes with unknown data. Soil erosion threatens food security, costing the US tens of billions annually.
Researchers found that rivers in regions with high erosion rates transport more sediment, which adjusts the channel geometry to moderate flows. This challenges the threshold channel model, which predicts a specific grain size range for gravel-bedded rivers.
Researchers found that letting cover crops grow longer produces the best results in suppressing weeds while also retaining soil moisture. The optimal timing is crucial, as over-flattening can lead to unwanted seed production, while under-flattening may regrow the cover crop.
Researchers found that invasive Phragmites australis has no significant impact on plant diversity, shoreline stabilization, and carbon storage in protected wetlands. The study suggests maintaining protected reserves can help defend against negative impacts of invasive species.
A new study found that severe El Niño events can cause unprecedented coastal erosion in California, with the 2015-2016 event resulting in 76% above normal winter beach erosion. The study highlights the need to understand and manage coastlines to conserve beach ecosystems and mitigate the effects of rising sea levels.
A new USDA grant aims to determine if stream-bank legacy sediments are significant sources of nutrients to surface waters. The study will focus on understanding the fate of legacy sediments, their microbial community composition and nutrient transformation processes in aquatic ecosystems.
Researchers assess seasonal beach behavior for 29 beaches along the Pacific coast, finding 76% above normal erosion during the 2015-16 El Niño winter. The study highlights the increasing vulnerability of California's coastline to coastal hazards as climate events intensify.
Deepwater Horizon oil spill impacts have been studied in two parts, with research on marsh erosion, stability, microbes, and vegetation presented first. The study found that specific ecological communities and animals have responded differently to the spill, affecting food web studies and coastal ecosystem management.
A new Penn-led study found that invasive sedge is more effective at preventing erosion of dunes during big storms compared to native grass. The research suggests that land managers may want to consider the virtues of non-native species when protecting coastal communities.
A new technique uses remote sensing to assess coastal salt marshes' potential to survive environmental challenges. The UVVR ratio is a good surrogate for labor-intensive field studies, tracking the main destructive processes in marshes.
A new study found that increased levels of soluble phosphorus in rivers entering Lake Erie may be linked to conservation measures, despite their success in reducing soil erosion and nutrient losses. The research highlights the need for adaptive management approaches to tackle both soluble and particulate phosphorus losses from farmland.
The Arctic coast's thawing permafrost leads to increased erosion, releasing greenhouse gases and nutrients into the sea. This alters ecosystems, affects traditional fishing grounds, and impacts the Arctic population's way of life.
Researchers from GFZ GeoForschungsZentrum Potsdam developed a new method called 'erosion painting' to visualize erosion rates. By applying paint patterns on rock surfaces and monitoring their removal over time, scientists can analyze the spatial distribution and intensity of erosive processes.
Researchers sequenced the Iberian lynx genome, finding extreme erosion of its DNA and low genetic diversity. This limits its ability to adapt to environmental changes, with multiple potentially harmful genetic variants identified.
Researchers presented insights from the Curiosity rover's study of Mount Sharp on Mars, which helps reconstruct the geological history of the area. Additionally, they developed a method to distinguish between natural and manmade earthquakes using seismic wave characteristics. Furthermore, scientists observed gamma-ray bursts triggered ...
A study analyzing marine sediment cores reveals East Greenland's ice sheet underwent deep glacial erosion over the past 7.5 million years, responding to global climate change. This finding challenges previous theories on complete and extended deglaciation, suggesting a more complex history of ice sheet dynamics.
The study will examine the degree of damage caused by agricultural land management practices to the local environment and explore ways to lessen such damage. It aims to identify means to mitigate the effects of soil erosion on economic, health, and societal perspectives.
Experts predict that soils will lose a significant amount of their carbon content, leading to increased soil erosion and flood damage. Land use changes and management practices are crucial to mitigate this trend and protect soil functions.
Agroforestry practices such as alley cropping, silvopasture, and forest farming offer benefits for conventional and organic agroecosystems. By integrating trees into agricultural landscapes, farmers can sequester carbon, prevent soil erosion, and increase crop yields.
A new study by Duke University identified a threshold for permanent spill-induced erosion in salt marshes, with erosion rates accelerating at sites covered in over 90% oil. In contrast, marshes with less oil impact showed no accelerated erosion and potentially recover over time.
A pilot study suggests that some heart attack patients with plaque erosion may benefit from anti-thrombotic medications only, potentially replacing stent placement. The conservative approach shows promise in reducing stent-related complications, offering a new treatment paradigm for over a quarter of patients.
Researchers built a stream table experiment to test a theory about the erosion of the Tarim Basin's flat surfaces. They found that channel switching played a crucial role in beveling these areas due to rapid changes in sediment flux and water flow. The study provides insights into the geological history of the region.
A new study by Dr. Georgina King and her team has disproved the idea that surface processes control tectonic deformation in the eastern Himalayas. The research reveals that changing tectonics, rather than climate, drives erosion rates in this region.
Researchers found that logging roads and landing areas lead to dense soil with slower water infiltration, causing erosion and affecting forest regeneration. This study highlights the need for treatment of impacted areas to prevent long-term effects on forest health.
Researchers found that Miconia affinis maintains high genetic diversity and facilitates gene flow between forest fragments. The study suggests that this species' colonization capacity promotes ecosystem recovery despite human-altered landscapes.
Researchers found a two-million-year delay between tectonic uplift and maximum erosion rates in the Argentine Precordillera mountains. This time-lag is attributed to the slow propagation of erosion waves through the fluvial network under semi-arid conditions.
A study by researchers at University of California - San Diego suggests that a larger sand grain size improves nourishment performance. Beaches with coarser sand experienced less erosion during El Niñ events, highlighting the importance of this factor in effective beach replenishment efforts.
Researchers found that diverse land use can balance out uncertainties and provide optimal multitasking for ecosystem services. The area mosaic concept resulted in 46% forestry utilization with indigenous alders and exotic pines, balancing out 10% extensive pasture and 20% intensive pasture utilization.
Researchers at Indiana University argue that annual registration fees for plug-in vehicles are misguided due to their minimal impact on road infrastructure funding. The decline in federal tax revenue is primarily attributed to increased fuel efficiency and non-adjusted fuel taxes, not plug-in vehicles.
Researchers found that moderate floods have a significant impact on river shaping, increasing erosion rates. However, extreme floods have limited additional effect on channel geometry, suggesting that landscapes can stabilize over long-term climate shifts.
Researchers found that large storms move about 50% more sediment than typical rainfall, but the overall contribution to erosion is smaller. River channels adjust their size to accommodate flow, setting a speed limit on erosion.
A new study from Queen Mary University of London found that historic UK landfills in England and Wales contain high levels of contaminants that could harm marine life if eroded or flooded. The analysis of two landfill sites in Essex revealed pollutants at concentrations exceeding marine sediment quality guidelines, posing a significant...
Researchers at Arizona State University found that a particular type of cyanobacteria can bore into and live within solid carbonates, hastening coral reef erosion. The microbe orchestrate cell-to-cell calcium transport, developing specialized cells to store and regulate calcium levels.
Research by University of Arizona geoscientists finds post-wildfire erosion dominates landscape transformation in the US Intermountain West. Erosion rates increased 1,000 to 10,000 times in burned watersheds compared to unburned areas after severe wildfires.
New research finds that chemical weathering can weaken rock structures in river beds, making them more susceptible to erosion. The study reveals a positive feedback loop where high precipitation rates maintain high erosion rates despite continuously exposing 'fresh rock'.
Researchers in China have developed a portable laboratory and topography meter to measure the frequency of random landslides on the steep slopes of the Loess Plateau. The system allows for site-specific tests, such as simulated rainfall, and can digitally reconstruct the slope's behavior under erosion conditions.
Researchers found that meltwater streams on Greenland's ice sheet erode channels at a rate of up to 10 centimeters daily, similar to river erosion patterns. This discovery provides a new tool for studying melt rates and glacial response to climate change.
Researchers study coastal uplift and erosion in Northern California, discovering rivers cut down hillslopes, triggering landslides that balance uplift. Landslides also deliver resistant rocks to rivers, delaying erosion, with implications for landscape evolution and hazards like landslides.
A new study uses multistripe laser triangulation (MLT) scanner to predict water movement through soil, identifying preferential flow patterns. The technique helps scientists manage water resources better by predicting recharge rates, water runoff, and soil erosion.
Drumlin hills, shaped like upturned boats, are formed when sediment is streamlined 'islands' that are often bisected to form megaridges. The research suggests that drumlins and megaridges are part of a single family of landforms formed by erosion, with the data indicating they occur on hard rock.
Scientists have found that repeated storms in 2013/14 were the most energetic to hit western Europe in almost seven decades, leading to extensive beach and dune erosion. The research also shows a growing trend of stormy conditions with potential changes to beaches along the continent.