Articles tagged with Oil Spills
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Hu's work spans harmful algal blooms, oil spills, coastal water quality, and floating macroalgae with impacts at local, regional, national, and global scales. His discovery of the Great Atlantic Sargassum Belt has profound ecological, economic, and public health implications.
Researchers linked oily material to a 2019 oil slick in Brazil, using ocean current models and chemical analysis. The study reveals an additive contaminant effect where plastic pollution can transport oil pollution far beyond its origin.
Researchers have developed a smart hydrogel surface that can instantly recognize whether it's in contact with oil or water and switch its behavior to separate the two. The surface achieves a record-breaking separation speed of 17,750 liters per square meter per hour, three to five times faster than most current membranes.
Scientists developed a diagnostic tool using functional gene ratios to assess crude oil contamination status and apparent age in soils. The novel molecular diagnostic tool offers rapid field-deployable assessment of site condition and pollution age, providing evidence-based approach for prioritizing clean-up efforts.
A new study revisits forecasts made in 2002 about the world's rocky shorelines, finding some threats have materialized while others have not. The researchers highlight the importance of addressing issues like ocean acidification and plastic pollution to protect coastlines.
A new study found that oil cleanup agents such as surface washing agents and chemical herders do not impede naturally occurring oil biodegradation. The researchers observed an initial delay but noted that the diverse microbial community actively degraded the treating agents simultaneously with the crude oil.
A research team used earth observation radar data to map the impact of oil pipeline networks on mangroves in the Niger Delta, finding a mortality rate of 5,644 hectares per year. The study highlights specific locations needing immediate intervention and restoration, and identifies new pipeline sites with unreported oil spill damage.
Nanomaterials are being studied for their potential in combating marine oil spills, with promising results showing improved removal efficiency and reduced toxicity. The researchers emphasize the need for eco-friendly and sustainable approaches to minimize environmental risks.
A team of researchers from Universidad Carlos III de Madrid created an innovative technique to produce regular oil lenses of uniform size on water surfaces. This discovery can help study the behavior of oily substances on water surfaces, with applications in oil spill mitigation and food industries.
Researchers confirm oil presence in Mauritius mangrove forest close to Ramsar conservation sites, three years after MV Wakashio spill. The oil has undergone weathering and biodegradation, but its ongoing presence poses an unknown risk to the sensitive ecosystem.
Researchers identified two microbe strains capable of degrading petroleum hydrocarbons, holding promise for treating contaminated marine oil spills. These microorganisms also exhibit potential to reduce the toxicity of oily wastewater, offering a sustainable solution for environmental remediation.
Research from the University of Illinois Chicago found that oil drops can break into smaller droplets at the surface, spreading pollution throughout the ocean. Increasing water viscosity may help prevent this process, making cleanup easier.
The Deepwater Horizon oil spill released nearly 5 million barrels of crude oil and hydrocarbon gases, affecting an area of 1,100 square miles, nearly nine times larger than earlier studies. Biodiversity loss among harpacticoid copepods declined dramatically due to the spill.
A new study by Chalmers University of Technology finds that ship scrubber water discharges caused EUR 680 million in pollution costs between 2014 and 2022. The researchers also found that most shipping companies have already recouped their investments in scrubbers, making cheap heavy fuel oil a more lucrative option.
Research found that oil spills in freshwater produce more chemical changes, creating compounds that can persist longer in the environment. The study simulated a freshwater oil spill and analyzed water samples using mass spectrometry, revealing higher concentrations of oxygen-loaded chemicals.
Researchers used laser treatments to transform ordinary cork into a powerful tool for treating oil spills. The laser-treated cork collected oil out of water within 2 minutes and kept water out, making it easier to extract the oil.
A new study found that 29 out of 78 endemic fish species haven't been reported in museum collections since 2010, with six considered of greatest concern. The researchers highlight the need for continued monitoring and conservation efforts to protect vulnerable species impacted by human activities.
Researchers found chemical dispersants from the Deepwater Horizon spill increase stress in bacteria, and sunlight intensifies this effect. This discovery could lead to improved ocean cleanup strategies globally.
A study found polycyclic aromatic hydrocarbons (PAHs) in Southern Resident killer whales and Bigg's killer whales off the coast of B.C., with contaminants from oil spills and wildfire smoke. The presence of PAHs suggests recent exposures to toxic chemicals, emphasizing the need for improved pollution management.
A new study suggests that emphasizing the need for energy independence and environmental stewardship could change people's minds about climate change. The research found that those who deny climate change often focus on personal experiences and local issues, but may not be aware of the scale of the problem.
Researchers discovered that Alcanivorax borkumensis biofilms consume oil by stretching droplets into tubes, allowing for efficient oil degradation. Large concentrations of dispersants can harm these biofilms, highlighting the need for further research.
A team of researchers at Texas A&M University has developed a new model to accurately measure ancient ocean temperatures using clumped isotopes. By understanding the reordering process, they were able to identify the role of water as an accelerator in resetting clumped isotope temperatures.
Researchers developed a compact and efficient single-photon Raman lidar system that can detect oil spills in the ocean. The system uses just 1μJ of pulse energy and can be operated up to 1km underwater, making it suitable for monitoring leaks in underwater oil pipelines.
Researchers at Northwestern University developed a metal-filtering sponge that can capture and recover critical metals and heavy-metal pollutants from contaminated water. The new sponge successfully removed lead to below detectable levels with one use and recovered over 90% of the ions during subsequent cycles.
Researchers developed functional flax fibers with UV-induced switchable wettability for multipurpose oil-water separation. The fibers exhibited hydrophobicity, which could be switched to hydrophilicity through UV irradiation and recovered upon storage in dark environments.
A new study identifies a high-risk area in Qatar's Gulf as the most vulnerable to oil spills, which could disrupt global gas supply and cause unprecedented water shortages, compromising containment efforts.
Researchers confirm that turtles rehabilitated in the aftermath of the Kalamazoo River oil spill had high long-term survival rates, with up to 11 years post-spill showing nearly imperceptible differences in monthly survival probability. The study's findings suggest that rehabilitation efforts increased the monthly survival probability ...
Researchers found that sublethal levels of crude oil exposure in popular sport fish like mahi-mahi leads to altered behavior, decreased survival and reduced spawning. The study also showed impacts on vision, olfaction and swimming performance in oil-exposed fish.
The study analyzed blood samples from bottlenose dolphins in the northern Gulf of Mexico, finding changes in gene expression related to immune response and oxidative stress. The results provide new insights into the health impacts of oil spills on marine life.
Researchers found that oil spill cleanup workers were 60% more likely to be diagnosed with asthma or experience asthma symptoms one to three years after the spill. The study linked specific chemicals, including BTEX-H, to increased asthma risk.
Researchers developed a lifecycle assessment-based framework to manage offshore oil spill cleanup waste. The study suggests combining centrifugation and landfilling as the most suitable remediation approach for low-impact spills.
Small amounts of highly weathered oil residues from the 2010 Deepwater Horizon disaster were still present in the surroundings ten years later. The study suggests that many environmental impacts are caused by chemically altered oil components, which can have different toxicities and physical properties.
A recent study published in Science found that more than 90% of chronic oil slicks on the Earth's oceans are caused by human activities. The research team used satellite radar images and artificial intelligence to analyze over 560,000 images collected between 2014 and 2019.
A team of Chinese and U.S. scientists created the first global map of chronic oil slicks in oceans and found that more than 90 percent come from human sources. Most slicks occur near coastlines, with significant reductions in pollution around regulated offshore areas.
A new analysis suggests that BP's reputation declined after the 2010 Deepwater Horizon accident, but its long-term stock market returns were not significantly affected. The study found no decline in the reputations or stock prices of other oil firms.
A new study by Bigelow Laboratory confirms the effectiveness of chemical dispersants in breaking down oil in seawater under real-world conditions. The researchers found that dispersants were effective if applied within two to four days, a typical time frame for oil spill response.
A WVU researcher has developed new statistical methods for assessing airborne exposure to oil spill workers, allowing for more accurate estimates and consideration of undetectable levels. This research has significant implications for understanding the health effects of oil spills on workers.
Researchers are exploring how bacteria form biofilms, which can be detrimental to health but also have potential uses in medicine and environmental cleanup. The study aims to understand the mechanisms behind microbial growth in biofilms and develop new materials and treatments.
A team of Woods Hole Oceanographic Institution researchers discovered that nearly 10% of the oil floating on the Gulf of Mexico after the Deepwater Horizon spill was dissolved into seawater by sunlight. The process, called photo-dissolution, has significant implications for understanding the fate and potential toxicity of these compounds.
A new floating robotic film can hoover oil spills at sea or remove contaminants from drinking water, using a pulsing motion inspired by water striders. The film is powered by light and fueled by water, making it sustainable and reusable.
Researchers developed new materials with enhanced adsorption capabilities, promising advancements in hydrogen storage, oil spill cleanup, and sensor development. The polymerization mechanism and kinetics were analyzed, revealing a significant impact of solvation on reactivity.
A study by the California Academy of Sciences and colleagues found significant tissue abnormalities in oysters from the Gulf Coast, even years after the devastating oil spill. The researchers discovered higher rates of metaplasia in Eastern oysters, which can cause debilitating health issues.
Researchers conducted a large-scale experiment near Australia's Pilbara Coast and found no significant effects of seismic surveys on demersal fish abundance or behavior. The study suggests that seismic surveys may not harm tropical fishes, contrary to previous concerns.
A new study warns of devastating impacts from an oil spill in the Canadian Arctic, affecting vulnerable indigenous communities. The risk assessment model predicts socio-economic impacts of up to $7.5 billion over five years.
A new study published in Frontiers in Marine Science demonstrates that oil in the ocean can undergo photooxidation, a process that breaks down crude oil into persistent compounds. This process occurs within hours to days and reduces the effectiveness of chemical dispersants used to clean up spills.
A study by University of South Florida researchers found nearly 100% of red snappers sampled showed evidence of liver damage, indicating early warning signs of a compromised ecosystem. Chronic oil exposure has been linked to cancer and death in fish.
Researchers have developed a superamphiphilic vitrimer epoxy resin membrane that can separate water and oil, making it an effective solution for cleaning up oil spills. The membrane is fully recyclable and can be depolymerized and reused after being clogged by pollutants.
Researchers find immense biohydrocarbon cycle in ocean, with marine cyanobacteria producing pentadecane at rates of 300-600 million metric tons per year. The cycle plays a crucial role in the ocean's response to oil spills and could potentially prime the ocean for cleanup.
A team of international scientists led by Karine Kleinhaus warns of a potential massive oil spill from an abandoned tanker in the Red Sea, which could devastate the region's unique coral reefs and marine ecosystems. The Safer, a floating storage unit with over 1 million barrels of oil, is at risk of leaking into the sea.
Scientists studied the Deepwater Horizon spill's environmental and public health impacts, learning about dispersant effectiveness, oil degradation and marine life harm. Dispersants' benefits include reducing coastal ecosystem damage, but their chemical effects on marine life remain a concern.
A study found that Gulf Coast children who were exposed to the oil spill had a significantly higher likelihood of experiencing physical and mental health problems. The impacts persisted years after the disaster, with physical health issues being 4.5 times more common in directly exposed children.
Researchers found that natural-origin sorbent materials, including peat moss, dog fur, and human hair products, can be effective in cleaning up oil spills on land. Sustainable options like dog fur and human hair show promise as cheaper and biodegradable alternatives to synthetic fabrics.
A Penn State sociologist finds that opinions on non-political issues are increasingly aligned with ideology, forming a 'political oil spill' phenomenon. This division is growing broader and more complex, threatening compromise and agreement.
A Northwestern University-led team has developed a smart sponge that selectively soaks up oil in water, leaving clean water and unaffected marine life behind. The sponge can absorb more than 30 times its weight in oil and can be reused many dozens of times without losing effectiveness.
Researchers from FSU and partner universities mapped carbon, nitrogen, and carbon-14 distribution in the southern Gulf to create a baseline for future studies. They found no signs of remaining oil disturbance in sediment, highlighting the importance of understanding pre-existing conditions for assessing ecosystem changes.
Researchers found that coral reefs in Panama's Caribbean coast suffered significant declines in species diversity and abundance after a 1986 refinery accident. Thirty years later, the impacts of coastal development and human-related stressors on reefs were comparable to those of oil spills.
Researchers found that much good work had been done on oil weathering and degradation by microbes, with significant implications for future research. The study also highlighted the impact of sunlight and oxygen on oil composition, reducing the effectiveness of dispersants.
A comprehensive study has found evidence of oil exposure in all 2,500 sampled fish, including popular seafood types. Chronic PAH exposure can harm fish health, despite low levels in flesh, highlighting the need for long-term monitoring.
A recent study used the MEDSLIK-II model to forecast the spread of an oil spill, predicting its arrival at French beaches 7 days in advance. The collaboration between CMCC Foundation and REMPEC ensured timely exchange of information, producing accurate forecasts that aided coastal preparedness.
A new study by the University of Miami Rosenstiel School found that the Deepwater Horizon oil spill spread beyond the known satellite footprint, impacting a wider range of marine wildlife. The research team developed a new framework to better manage future oil spills, taking into account invisible and toxic oil.