Articles tagged with Organic Carbon
Research in three Swedish fjords shows that organic carbon is effectively trapped, regardless of oxygen levels. The study highlights the importance of sediments in storing carbon, with up to 18 megatonnes buried annually, representing 11% of global ocean carbon capture.
Researchers found that microbial communities can stimulate decomposition of both fresh and old organic matter, with significant implications for the marine carbon cycle. The study suggests that increased input of fresh organic matter due to climate change could lead to a disproportionate effect on degradation of refractory organic matter.
Research found that during severe droughts, agricultural reservoirs in Korea's southern region experienced increased total organic carbon concentrations. The study suggests that these reservoirs may shift from carbon storage to carbon sources, emitting carbon into the atmosphere. This finding highlights the need for integrated environm...
Soil carbon dioxide emissions are more sensitive to climate warming in permafrost-collapsed areas, releasing about 5.5 times more CO2 than non-collapsed areas. The study found that thermokarst formation increases the temperature sensitivity of CO2 release.
Researchers at Linköping University discovered a specific reaction called oxidative dearomatisation that transforms biomolecules into millions of diverse molecules, making organic matter resistant to degradation. This process explains the substantial organic carbon sinks on our planet, reducing atmospheric carbon dioxide levels.
A recent study published in Science reveals a vast store of global soil inorganic carbon (SIC) amounting to 2,305 billion tons, surpassing vegetation's combined carbon content. This 'hidden pool' is vulnerable to environmental changes, posing significant risks to ecosystem functions and climate change mitigation strategies.
Scientists used lithium isotope data to show that continental clay export promoted organic carbon burial and thus atmospheric oxygenation during the Cambrian period. This finding challenges traditional views on marine oxygen levels during this time, suggesting a complex interplay between oceanic and atmospheric processes.
Scientists have developed a new method to estimate soil organic carbon in the US, providing a more accurate benchmark for policymakers. The study reveals how environmental variables affect soil organic carbon and offers insights into mitigating climate change through sustainable land management practices.
A research team has synthesized a cutting-edge manganese-fluorine catalyst with exceptional oxidizing power, capable of extracting electrons from compounds. The catalyst facilitates efficient electron loss from toxic toluene derivatives, marking a significant breakthrough in catalytic research.
Scientists at Nagoya University have created a new material based on fullerene indanones (FIDO) to enhance the durability of next-generation solar cells. The new material is more efficient, stable, and lightweight than conventional silicon solar cells, making it suitable for vertical installations.
Researchers at UNIST have achieved a significant breakthrough in organic semiconductor synthesis by synthesizing a novel molecule called BNBN anthracene. This derivative exhibits unique properties, including precise modulation of electronic properties without structural changes.
A clay mineral called smectite, formed through plate tectonics, efficiently traps organic carbon and could help buffer global warming. Smectite's accordion-textured folds effectively trap dead organisms, preventing them from being consumed by microbes.
Researchers use rhenium as a proxy for carbon to quantify the rate of fossil carbon dioxide release into the atmosphere. The study found that high rates of carbon breakdown persist from mountaintop to floodplain, offering valuable insights into the planet's history and response to climate challenges.
A study by the University of Córdoba found that ground cover reduces erosion, runoff, and organic carbon loss in Mediterranean olive groves. The research showed a significant decrease in carbon loss of up to 76.4% compared to conventional tillage.
Researchers will track how key minerals form in a watershed to build a fuller picture of the processes that allow soil to store carbon as organic matter. Understanding these mechanisms can help develop practices and incentives for a carbon market economy, potentially harnessing Earth's natural mechanisms to combat climate change.
Researchers at Hokkaido University have discovered a mechanism for carbon atoms to come together on the surface of interstellar ice grains, producing complex organic molecules. This process occurs at temperatures above 30 Kelvin and may have played a role in the origin of life on Earth.
Researchers have discovered clues about Antarctica's ice sheet formation in Mississippi mud, suggesting a 300,000-year brake on climate cooling. The study provides new insights into the Eocene-Oligocene transition, a significant climate event that had a major impact on Earth's history.
A new UCF project aims to examine a method to keep carbon from escaping soils and trapping heat in Earth's atmosphere. Researchers will focus on histosols in the Everglades Agricultural Area, adding fine minerals to prevent carbon release.
Researchers at Washington University in St. Louis discovered that wildfires emit dark brown carbon, a potent climate-warming particle that absorbs solar radiation. This finding has broad implications for climate models and highlights the need to revise existing approaches to account for the unexpected effects of brown carbon.
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.
A new study reveals evidence of diverse organic material on Mars, with signals consistent with molecules linked to aqueous processes. The findings suggest the existence of several distinct reservoirs of potential organic compounds, which may have persisted on Mars for a far more extended period than previously thought.
A decade-long study reveals that warmer temperatures lead to significant loss of organic compounds in deep forest soils, affecting carbon sequestration. This finding has implications for natural carbon sinks and soil management practices.
A new study maps Australia's terrestrial and blue carbon soils, revealing the continent holds 27.9 gigatonnes of carbon, equivalent to 700 times annual electricity emissions. The research emphasizes the need to protect key ecosystems threatened by human activities and climate change.
New research from Bigelow Laboratory for Ocean Sciences reveals that coccolithophores can survive in low-light conditions by taking up dissolved organic forms of carbon. This finding challenges current understanding of the biological and alkalinity pumps driving carbon transport in the ocean.
A new review of research suggests that applying biochar to agricultural fields can reduce greenhouse gas emissions, particularly nitrous oxide and methane. The study found that biochar can store carbon in stable forms for thousands of years, making it a promising technology for achieving negative emissions.
A Bangor University paper quantifies the carbon benefits of ending bottom trawling, finding only a small fraction of seabed carbon reacts to disturbance. The study challenges the validity of previous claims and suggests using 'carbon credits' for banning trawling may actually increase overall CO2 emissions.
Researchers used an advanced ecosystem model to assess the impacts of winter cover cropping on soil organic carbon accumulation. They found that growing cover crops can increase SOC by 0.33 megagrams per hectare per year and that SOC benefits can be improved through increasing cover crop biomass.
Horodyskia, a fossil with uniform size and spacing, is among the oldest multicellular macroorganisms. Its fossils suggest coenocytism and simple clonal coloniality, challenging previous interpretations.
A study by University of Cologne researchers found that 25-35% of permafrost's organic carbon is bound to mineral particles, making it harder for microorganisms to utilize. This complex binding process affects the release of greenhouse gases from thawing permafrost.
Scientists have detected uracil and nicotinic acid in asteroid Ryugu samples collected by the Hayabusa2 spacecraft. The discovery suggests that important building blocks for life were created in space and delivered to Earth via meteorites, supporting current theories on the source of nucleobases.
A new study published in Biogeosciences suggests that agricultural soil erosion may actually create an organic carbon sink, rather than a source. The researchers argue that the 'geomorphic OC pump' transfers organic carbon from the atmosphere to upland soils, which can be stored in sedimentary environments.
Scientists at Tokyo Institute of Technology developed a new synthesis method that allows the introduction of multiple B- and Si-containing groups into aromatic nitrogen heterocycles. This breakthrough unlocks the creation of versatile platforms for organic compounds relevant to medicinal chemistry. The approach enables the production o...
Plant biochemists have discovered a new level of regulation in the biochemical machinery that plants use to convert organic carbon into aromatic compounds. The research reveals new strategies for controlling plant biochemistry, including genetic tools to precisely control which compounds get produced in different parts of a plant.
Two new studies examine the nature of China and Tibet's dynamics and a possible global organic carbon record. A model for natural avalanches also presents findings on long-lived postcollisional exhumation and cooling, while a novel technique is used to reconstruct paleohydrology from fluvial-deltaic deposits.
A new study reveals that climate warming can reduce the burial of organic carbon beneath the ocean, leading to increased atmospheric carbon release. Researchers analyzed over 50 years of seafloor sediment cores, finding a significant decrease in organic carbon burial during certain periods, particularly during the mid-Miocene era.
Researchers developed a new approach to determine the rate of organic carbon burial in marine sediments, using data from deep-sea drilling sites. This method provides more accurate results than traditional isotope calculations, revealing higher rates of carbon sequestration during warm periods and lower rates during cooling intervals.
Researchers at West Virginia University are exploring a new approach to produce clean hydrogen fuel using low-tech organic materials. They aim to create efficient and economically viable gasification systems that can transform biomass into ultrapure hydrogen, reducing greenhouse gas emissions.
New research reveals a relationship between virus concentration and organic carbon in wastewater treatment plant effluents. The study found that viruses can affect the concentration of organic carbon, leading to potential negative impacts on aquatic ecosystems nearby.
Researchers found that the Southern cattail plant can scavenge up to 34 times more manganese from contaminated soil than other plants. The study suggests its potential for sustainable rehabilitation of areas affected by iron mine tailings, demonstrating its high efficiency in phytoremediation.
A study comparing Ohio nature reserves and high-input agricultural lands found that nature reserves can store significantly more carbon. The researchers analyzed soil organic carbon storage, quality, and lability in these two types of land uses.
A team of researchers has discovered a wide range of nitriles, key molecular precursors for life, in the interstellar molecular cloud G+0.693-0.027 near the Milky Way center. The study provides important insights into the chemical ingredients available in the nebula that give rise to our planetary system.
Researchers from the University of Arizona suggest that dying stars can forge carbon nanotubes in the envelopes of dust and gas surrounding them. This process involves the spontaneous formation of carbon nanotubes, which are highly structured rod-like molecules consisting of multiple layers of carbon sheets.
Researchers discovered that copper availability affects the release of nitrous oxide, a potent greenhouse gas. When copper is not available, microbes release more harmful gases instead of nitrogen, which makes up 78% of Earth's atmosphere. By adding metal to natural systems, it may mitigate nitrous oxide release.
A new study provides a globally consistent dataset identifying opportunities for increased carbon storage on land to address the climate crisis. The research offers an actionable framework for facilitating climate-smart restoration land management strategies, with forests and soils showing significant potential for expanding land-based...
The UN Convention to Combat Desertification's Global Land Outlook 2 report warns that up to 40% of the planet's land is degraded, threatening half of humanity and roughly 1/2 of world GDP. The report offers hundreds of practical ways to restore land and ecosystem health.
Colorado State University researchers have developed a system that creates renewable energy while diverting waste from landfills, producing valuable products like sustainable aviation fuel and cleaning solvents. The ReSOURCE system can offset the carbon dioxide equivalent of 6.2 million cars a year.
Researchers at University of Illinois develop new method to accurately estimate soil organic carbon using airborne and satellite hyperspectral sensing. The study leverages machine learning algorithms with a comprehensive soil spectral library, enabling large-scale monitoring of surface soil organic carbon.
Researchers developed a novel coating material based on methylene blue dye to mitigate the polysulfide shuttling effect in lithium-sulfur batteries, improving their durability and electrochemical performance. This breakthrough could lead to the widespread adoption of sustainable energy storage systems.
QUT researchers explore using organic transistors as wearable health sensors, promising comfortable wearability and efficient monitoring. The technology has the potential to revolutionize healthcare with applications in electrophysiology, neuron stimulation, and more.
A study found that thawing permafrost in the Arctic releases large amounts of previously unaccounted-for carbon dioxide, amplifying global warming. The research team determined that up to 80% of this CO2 comes from ancient organic matter and 18% from inorganic sources.
A recent study used an eddy-resolving ocean model to analyze the seasonal changes in phytoplankton photosynthesis and storage of fixed carbon in the South China Sea. The research found that the biological carbon pump and microbial carbon pump play significant roles in sequestrating organic carbon.
A recent study by Dr. Henrik Svensmark and colleagues reveals a close connection between supernovae occurrence and the burial of organic matter in sediments on Earth. The correlation indicates that supernovae are essential for life's existence, with high nutrient concentrations leading to increased bioproductivity and oxygen production.
Researchers at West Virginia University aim to develop more precise predictions about the role of individual soil microorganisms in the carbon cycle. They will use stable isotope probing to track carbon uptake and characterize the function of microbes in their natural communities.
A new study finds that controlled burning can stabilize or increase soil carbon, offering a method to maximize carbon storage. By manipulating fires, ecosystems can store huge amounts of carbon when the frequency and intensity are just right. This approach may help maintain natural ecosystem processes.
Scientists have created a versatile carbon-loaded shellac ink suitable for disposable printed electronics. The ink achieves high electrical conductivity while maintaining stability and biodegradability. Its practical applications include conductive tracks and sensor elements in sustainable devices.
Researchers at the University of Malaga have developed a new version of organic electronics that can manage energy consumption more efficiently. The technology, known as spintronics, uses carbon-based molecules to expand electronic material versatility and functionality.
Researchers from Ruhr-University Bochum found that adding organic carbon substances like ethanol and glucose can improve nitrate degradation in groundwater. Temperature played a significant role in selecting the most effective substance.
Researchers at Cornell University developed a novel method to track microbes and understand their role in processing soil carbon. The study found that different types of bacteria have varying strategies for assimilating carbon, categorized into guilds based on their access to food.
Researchers found that warmer soil releases less carbon, but coarse-textured soils are more vulnerable to climate change. The study's findings highlight the importance of understanding soil types and their impact on carbon storage.
A team of scientists at MBARI has developed an autonomous robotic rover, Benthic Rover II, to study the deep sea's role in cycling carbon. The rover provides long-term monitoring of the coupling between the water column and seafloor, critical for predicting climate change impacts.