VOCsBiogenic volatile organicParticulate matterEmissionsPollutantsBVOCDamage to ecosystemsFluxesAtmosphereSecondary Organic AerosolBiodiversityTerrestrial ecosystemsAcidic compoundsCarbon dioxideForestsAtmospheric aerosolsParticlesMethaneEvapotranspirationVegetationSubstancesNitrogen oxidesBiosphereHazardousPhysical GeographyHarmfulGreenhouse gasesDegradationICOSAmmoniaSynthesisInorganicCharacterizationDecompositionPollutionHuman healthEcologyMoleculesReductionAcid rainWater
VOCs9
- Terrestrial ecosystems are simultaneously the largest source and a major sink of volatile organic compounds (VOCs) to the global atmosphere, and these two-way fluxes are an important source of uncertainty in current models. (nasa.gov)
- Here we focused on the production of volatile organic compounds (VOCs) following herbivory. (usda.gov)
- And oil-based paints and stains are flammable and may contain VOCs (volatile organic compounds), which are quite hazardous. (quinterecycling.org)
- Motor oil and other automotive fluid can be flammable and contain VOCs (volatile organic compounds). (quinterecycling.org)
- To achieve these objectives, SO2 emissions will need to decrease by 82%, NOx emissions by 60%, volatile organic compounds * (VOCs) by 51%, ammonia by 27%, and primary PM2.5 (particles emitted directly into the air) by 59% compared with the year 2000. (europa.eu)
- Many plants use VOCs to communicate with other plants in their ecosystems and even use them to send SOS messages when a threat is present. (vermontnaturalcoatings.com)
- Marine phytoplankton can produce volatile organic compounds (VOCs) and marine atmospheric aerosols, which strongly influence on atmospheric chemistry. (jpgu.org)
- Examples of substances that can cause indoor air pollution are asbestos, carbon monoxide, radon, particulate matter, and volatile organic compounds (VOCs) like trichloroethylene and xylene. (felsics.com)
- The World Health Organization (WHO) identifies a list of classic air pollutants prevalent in industrialized countries, including nitrogen oxides (NOx), sulfur dioxide (SO2), carbon monoxide (CO), particulate matter (PM), volatile organic compounds (VOCs) and greenhouse gases (GHGs). (eponline.com)
Biogenic volatile organic2
- We report on pioneering tests of indicators of soil microbiome diversity, phytoncide/biogenic volatile organic compound (BVOC) diversity, and youth responses to restoration work that can be monitored concurrently over time. (garynabhan.com)
- Severe droughts endangers ecosystem functioning worldwide and can impact ecosystem-atmosphere exchange of water and carbon fluxes as well as biogenic volatile organic compound (BVOC) emissions. (copernicus.org)
Particulate matter1
- The US Environmental Protection Agency's (EPA) Emission Trading Program started in 1974, and allows a limited exchange of emission reduction credits for five air pollutants: volatile organic compounds, carbon monoxide, sulfur dioxide, particulate matter, and nitrogen oxides. (ecosystemmarketplace.com)
Emissions3
- Isoprene, monoterpene, and other volatile organic compound (VOC) emissions from grasslands, shrublands, forests, and peatlands in China were characterized to estimate their regional magnitudes and to compare these emissions with those from landscapes of North America, Europe, and Africa. (escholarship.org)
- Despite reduced ecosystem carbon uptake and total VOC emissions, plants continued to allocate a similar proportion of fresh carbon to de novo VOC synthesis, as incorporation of 13C into both isoprene and monoterpenes remained high. (copernicus.org)
- Outputs include vegetation composition and cover in terms of major species or plant functional types (PFTs), biomass and soil organic matter carbon pools, leaf area index (LAI), net primary production (NPP), net ecosystem carbon balance, carbon emissions from wildfires, biogenic volatile organic compounds (BVOCs), evapotranspiration, runoff, and nitrogen pools and fluxes. (lu.se)
Pollutants5
- Research reported here also considers both the positive and the negative impacts of trees on air quality, through the role of trees in removing air pollutants such as ozone as well as in releasing potentially harmful volatile organic compounds and allergenic particulates. (nih.gov)
- These pollutants also have adverse effects on human health and ecosystems worldwide. (widener.edu)
- From analyzing water and soil samples to investigating the effects of pollutants on ecosystems, this field provides valuable insights into our environment's health. (freescience.info)
- Through the identification and assessment of environmental pollutants, it helps us comprehend the impact of human activities on ecosystems and develop strategies for their mitigation. (freescience.info)
- By leveraging their high surface area-to-volume ratio, these nanoparticles efficiently adsorb pollutants such as heavy metals, organic compounds, and even microplastics. (freescience.info)
BVOC3
- Biogenic volatile organic compounds (BVOC) are a wide-ranging group of trace gas components in the atmosphere which are emitted naturally from Earth's surface. (nerc.ac.uk)
- Fluxes of BVOC from a Scottish peatland are the first reported measurements for this ecosystem in a temperate climate. (nerc.ac.uk)
- Interactions between plants and soil led to distinct patterns in the relative abundance of atmospheric BVOC concentrations as the drought progressed, serving as a diagnostic indicator of ecosystem drought stress, with isoprene indicating the onset of ET and GPP reduction and hexanal indicating their final decline under severe drought. (copernicus.org)
Damage to ecosystems3
- This can cause damage to ecosystems. (quinterecycling.org)
- Air pollution seriously damages human health and the environment: respiratory problems, premature deaths, eutrophication * and damage to ecosystems as a result of the deposition of nitrogen and acidic substances are some of the consequences of this problem which is both local and transfrontier in nature. (europa.eu)
- The emission of sulfur dioxide and nitrogen oxides can result in the creation of acid rain, which causes damage to ecosystems, soil, and bodies of water. (eponline.com)
Fluxes5
- 2018, 2, 764−777 Bidirectional Ecosystem−Atmosphere Fluxes of Volatile Organic Compounds Across the Mass Spectrum: How Many Matter? (nasa.gov)
- PTRQiTOF) to measure ecosystem−atmosphere VOC fluxes across the entire detected mass range (m/z 0−335) over a mixed temperate forest and use the results to test how well a state-of-science chemical transport model (GEOS-Chem CTM) is able to represent the observed reactive carbon exchange. (nasa.gov)
- After doing so, 377 of the 636 detected ions exhibited detectable gross fluxes during the study, implying a large number of species with active ecosystem−atmosphere exchange. (nasa.gov)
- Very few field-based studies of fluxes from plant canopies have been undertaken, particularly for non-terpenoid compounds. (nerc.ac.uk)
- We analysed total ecosystem exchange, soil and leaf fluxes of H 2 O, CO 2 and BVOCs, and their stable isotopes over five months. (copernicus.org)
Atmosphere6
- Volatile organic nitrogen compounds are released to the atmosphere during plant decay. (mbl.edu)
- However, mechanisms driving alterations in ecosystem-atmosphere exchange of BVOCs during drought and recovery remain poorly understood. (copernicus.org)
- We traced ecosystem scale interactions through a whole-ecosystem labelling approach in the Biosphere 2 Tropical Rainforest, the B2 Water, Atmosphere, and Life Dynamics (B2WALD) experiment. (copernicus.org)
- To trace changes in soil-plant-atmosphere interactions we labelled the ecosystem with a 13 CO 2 -isotope. (copernicus.org)
- The course is an elective course for a Master' degree (120 credits) in physical geography and ecosystem science or a Master' degree (120 credits) in atmosphere science and biogeochemical cycles. (lu.se)
- The stations in the National Networks operate in three distinct domains: Atmosphere, Ecosystem and Ocean. (lu.se)
Secondary Organic Aerosol2
- Chamber studies showed that the rate of loss of α-pinene from the gas-phase during oxidation - and hence potential formation of secondary organic aerosol (SOA) - decreased with increasing isoprene mixing ratio. (nerc.ac.uk)
- the subsequent atmospheric oxidation of BVOCs and their secondary organic aerosol (SOA) formation potential, with consequences for clouds, global radiation and precipitation. (lu.se)
Biodiversity4
- A well-functioning wetland plays a key role in filtering water and thereby "delivering" the ecosystem service of reliable water quality, as well as providing habitat for many plants, insects and animals that are part of the biodiversity of an area. (ecosystemmarketplace.com)
- Air pollution is an unsustainable condition involving the presence of harmful concentrations of foreign materials in air, that could lead to human health problems, economic losses, climate change , biodiversity loss, and other negative changes in the ecosystem [ 5 ]. (felsics.com)
- By regularly analyzing samples from different parts of an ecosystem over time, scientists can track changes in pollutant levels and assess their impact on biodiversity. (freescience.info)
- With an updated map of Swedish primary forests, I will investigate for any patterns in their location, how their carbon uptake has varied over the last decades, and report any differences in biodiversity between those ecosystems and managed forests. (lu.se)
Terrestrial ecosystems2
- Insect and gastropod herbivores are major plant consumers in terrestrial ecosystems and their importance as selective forces in the evolution of plant defensive traits is well accepted. (usda.gov)
- In my project I aim to better understand the role of microbes, such as bacteria and fungi, in nutrients cycling in terrestrial ecosystems. (lu.se)
Acidic compounds2
- For instance, sulfur in fossil fuels, when burned, is emitted as sulfur dioxide (SO 2 ), which causes adverse respiratory effects and can be converted into acidic compounds that fall to the earth as acid precipitation. (widener.edu)
- When it finally does rain, these acidic compounds can be picked up and washed away to harm plant life and animals. (foobot.io)
Carbon dioxide2
- The course covers processes such as assimilation of carbon in ecosystems via the photosynthesis, discharges of carbon from the ecosystem via respiration and decomposition and production of greenhouse gases (e.g., carbon dioxide, methane, nitrous oxide and other volatile organic carbon compounds). (lu.se)
- Given data on regional climate conditions and atmospheric carbon dioxide concentrations, it can predict structural, compositional and functional properties of the native ecosystems of major climate zones of the Earth. (lu.se)
Forests1
Atmospheric aerosols1
- She researches the impact of atmospheric aerosols on the climate, ecosystem, degradation of structures, and human health. (wikipedia.org)
Particles3
- Atmospheric nitrogen is delivered to sea and land in rainfall as dissolved compounds ("wet" deposition) and as adsorbed compounds on dust particles and leaves ("dry" deposition). (mbl.edu)
- The complexity is further compounded by the fact that the biosphere, clouds and particles are related through important feedback processes. (lu.se)
- These particles, in the wrong circumstances, can form larger compounds that can be harmful to people's health. (foobot.io)
Methane2
- MSA 70% (Methane Sulfonic Acid) is an organic acid with the chemical formula CH 3 SO 3 H. It is a colorless, viscous liquid that is soluble in water and polar organic solvents. (arkema.com)
- Methane sulfonic acid (MSA) is a versatile and valuable chemical compound that offers a range of benefits across various industries. (arkema.com)
Evapotranspiration1
- Gross primary production (GPP), ecosystem respiration (Reco), and evapotranspiration (ET) declined rapidly during early drought and moderately under severe drought. (copernicus.org)
Vegetation2
- These data highlight the importance of quantifying drought impacts on forest functioning beyond the intensity of (meteorological) drought, but also taking dynamics response of hydraulic regulation of different vegetation compounds and soil microbial activity of the forest into account. (copernicus.org)
- LPJ-GUESS is a process-based dynamic vegetation-terrestrial ecosystem model designed for regional or global studies. (lu.se)
Substances4
- However, a significant reduction in these substances will have beneficial effects in terms of public health, and will also generate benefits for ecosystems. (europa.eu)
- It can dissolve various organic and inorganic substances, facilitating processes such as extraction, purification, and synthesis in industries such as pharmaceuticals, electroplating, and organic chemistry. (arkema.com)
- In these various contexts, the use of a carbon analyzer is particularly judicious when organic substances appear at low concentration levels. (uclouvain.be)
- Volatile organic compounds are substances that evaporate at room temperature and are usually found in household products, cleaning products, and building materials, for example. (foobot.io)
Nitrogen oxides2
- At ground level, however, ozone is a key component of smog, produced when nitrogen oxides photochemically react with sunlight in the presence of volatile organic compounds. (earth.com)
- High temperature combustion results in the creation of nitrogen oxides (NO x ), which can be noxious in their own right, and when combined with volatile organic compounds, humidity, and sunlight can result in ground level (tropospheric) ozone (O 3 ), the major component of smog, with its adverse health effects. (widener.edu)
Biosphere1
- To disentangle complex ecosystem dynamics we imposed a 9.5-week drought on the Biosphere 2 tropical rainforest, a thirty-year old enclosed forest. (copernicus.org)
Hazardous1
- Paint , for example, is particularly hazardous and can contain a number of organic chemicals in high concentration for indoor spaces. (foobot.io)
Physical Geography2
- It was coordinated by Anders Lindroth (Dept. of Physical Geography and Ecosystem Science), followed by Vivi Vajda (Dept. of Geology) and the last years by Lena Ström (Dept. of Physical Geography and Ecosystem Science). (lu.se)
- Five Lund university departments are represented: Physical Geography and Ecosystem Science, Geology, Biology, Physics and Chemistry. (lu.se)
Harmful2
- Unlike volatile acids, MSA is non-volatile, ensuring safer handling and reduced risks of harmful vapors. (arkema.com)
- To know what harmful chemicals to avoid, people can refer to the US EPA list of volatile organic compounds , which has been compiled for our environmental protection. (foobot.io)
Greenhouse gases1
Degradation1
- These policies help ensure that industries operate within acceptable limits, preventing further degradation of our ecosystems. (freescience.info)
ICOS2
- Hyltemossa is located in a managed spruce forest and is an ICOS combined ecosystem and atmospheric station with a 150 m high tower and excellent laboratory and housing facilities. (lu.se)
- The ICOS Svartberget station is one of the few combined atmospheric-ecosystem stations within the ICOS network. (lu.se)
Ammonia1
- Industrial biofilter (I-series) The I-series modular biofilters feature a small humidification chamber and/or treatment chamber for ammonia or other compounds, followed by a single or dual zone media chamber. (envirogen.com)
Synthesis3
- Synthesis of rock-core sampling and chlorinated volatile organic compound (CVOC) analysis at five coreholes, with hydraulic and water-quality monitoring and a detailed hydrogeologic framework, was used to characterize the fine-scale distribution of CVOCs in dipping, fractured mudstones of the Lockatong Formation of Triassic age, of the Newark Basin in West Trenton, New Jersey. (usgs.gov)
- It is commonly used in organic synthesis and as a catalyst in various chemical reactions. (arkema.com)
- Maintaining carbon allocation into VOC synthesis demonstrates the fundamental role of these compounds in protecting plants from heat stress and photooxidative damage. (copernicus.org)
Inorganic3
- Thanks to its versatility, MSA 70% is a viable substitute for organic and inorganic strong acids in a variety of applications. (arkema.com)
- Primary and secondary organic and inorganic components produced via marine phytoplankton activity can contribute to the Earth's radiative forcing, and in turn marine ecosystems including biogeochemical processes directly or indirectly. (jpgu.org)
- Cylindrical biofilter (H-series) Envirogen H-series are single media chamber systems that can be filled with inorganic media only or inorganic carbon impregnated and organic media, forming a dual zone treatment system. (envirogen.com)
Characterization2
- Her dissertation was titled Chemical and physical characterization of submicron organic aerosols in the tropical trade winds in the Caribbean. (wikipedia.org)
- Chemical and physical characterization of submicron organic aerosols in the tropical trade winds in the Caribbean (Thesis). (wikipedia.org)
Decomposition1
- The determination of dissolved carbon is an essential analytical prerequisite in many agronomic and environmental problems in aqueous media: detection of organic contaminants in soils, control of the decomposition of organic matter from the soil surface, etc. (uclouvain.be)
Pollution2
- LSCE: offre de these "Caractérisation à haute résolution de la pollution (ultra)fine secondaire en Ile-de-France"/PhD position at LSCE Title : High resolution caracterization of (ultra)fine secondary pollution in the Paris region. (ipsl.fr)
- Air pollution is a global threat that poses risks to ecosystems and human health. (axens.net)
Human health1
- An example of an organization with regional and international impact is the EcoHealth Network, which operates as facilitator and convener to a growing network of linked restoration sites concerned with the science, practice, and policy of restoring ecosystem "health" and human health while helping to trailblaze a "restorative culture" for global society (Cross, Nevill, Dixon, & Aronson, 2019 ). (garynabhan.com)
Ecology1
Molecules1
Reduction2
- 43% reduction in areas or ecosystems exposed to eutrophication. (europa.eu)
- Complementary to near-term NH3 mitigation potential via technological measures, our study emphasizes incentivizing FLW reduction efforts from air quality and ecosystem health perspectives. (noaa.gov)
Acid rain1
Water7
- Her master's thesis was titled Evaluation of a Continuous Composite Sampler for Volatile Organic Compounds in Water. (wikipedia.org)
- Evaluation of a continuos [sic] composite sampler for volatile organic compounds in water (Thesis). (wikipedia.org)
- It can pollute drinking water and wells, damage wildlife and ecosystems. (quinterecycling.org)
- Highly soluble in water forming a homogeneous solution and is miscible with most polar organic solvents. (arkema.com)
- Such schemes, as frequent visitors to this site know, are based on the premise that ecosystems deliver valuable services that most of us take for granted - like filtering water in the above example - but whose value our economy doesn't normally take into account. (ecosystemmarketplace.com)
- Since then, NAWQA has produced scientific data and knowledge that is used by national, regional, state, and local agencies to develop science-based policies and management strategies to improve and protect water resources used for drinking water, recreation, irrigation, energy development, and ecosystem needs. (usgs.gov)
- Users can access an online mapping tool to compare water quality at small streams across a region, see scorecards that summarize stream health at each stream site, and download data for hundreds of chemical compounds. (usgs.gov)