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Environmental Toxicology and Chemistry (Department of Applied Environmental Science)
Head of unit:
Dr Magnus Breitholtz
Geohuset, Svante Arrhenius väg 8 C
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A powerful molecular-isotopic approach to source apportion anthropogenic black carbon aerosols: microscale radiocarbon (14C) measurements to distinguish fossil fuel combustion from biomass burning
Atmospheric black carbon (BC), a.k.a. soot; the carbonaceous particles formed during incomplete combustion, is the Dark Horse in the current climate debate. The IPCC ranks the level of scientific understanding as Very Low for the important climate forcing effect of BC. Perhaps the most urgent ...
A sound science-based assessment of organic contaminants in the marine environment
The project's aims are: 1) to solidify ITM?s position as a world leader in identifying and evaluating organic contaminants in the marine environment; 2) to provide the Swedish government with the scientific knowledge to take a leading role in international debate, negotiations and policy-making ...
Accounting of black carbon (BC) in the Swedish Marine sediments: How significant is BC burial as a net sink in the national carbon budget? Is BC governing the geospatial distribution of Carcinogenic PAHs?
Acquisition and modification of a Carbon Aerosol Analyzer to facilitate source apportionment studies of soot particles
Apportionment of natural versus anthropogenic sources of halocarbons depleting Arctic ozone: Novel applications of powerful halocarbon-specific analysis of d37Cl, d81Br and D14C isotopes
Halogenated volatile organic compounds (HVOC) such as CH3Br, CH3Cl and CHBr3 have a mix of natural and anthropogenic sources and stand for a poorly constrained contribution (25-50%?) of halogen-induced ozone depletion in the Arctic atmosphere. Source-diagnostic dual-isotopic fingerprint of these ...
Assessing anthropogenic stress-a battery of biomarkers and bioindicators for Baltic Sea environmental testing
The "bioeffect approach", as suggested by International Council for Exploration of the Sea (ICES), is currently being implemented in National monitoring programmes of some of the Baltic Sea countries. However, little effort has been made to place contaminants in context with other environmental ...
Assessing black carbon emission sources at climate impact hot spots regions
Incomplete combustion of different materials, such as petroleum, coal and wood, produces black carbon (BC) that is emitted into the atmosphere. Atmospheric black carbon contributes to a climate warming in the range of 20-70% of carbon dioxide. Major uncertainties with respect to the climate effects ...
Assessing large-scale environmental risks with tested methods
Based on a better understanding of terrestrial and freshwater biodiversity and ecosystem functioning ALARM will develop and test methods and protocols for the assessment of large-scale environmental risks in order to minimise negative direct and indirect human impacts. Research will focus on ...
BalticPOPs focuses on the dioxin problem in the Baltic region. The scientists will investigate the reasons for the high dioxin concentrations in Baltic fish (WP1) and the sources for dioxins in air (WP2). Previous and new knowledge will be combined and evaluated in a system synthesis, for which the ...
Biological Effects of Anthropogenic Chemical Stress: Tools for the Assessment of Ecosystem Health
The pan-Baltic BEAST project is targeted at developing integrated measures of chemical pollution and tools needed to detect and understand human-induced pressure on the Baltic Sea ecosystem. We will test and validate integrated monitoring and assessment approaches for their applicability in the ...
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Aeppli, Christoph, Dr
Andersson, August, Dr
Armitage, James, Dr
Balk, Lennart, Dr
Breitholtz, Magnus, Dr
Broman, Dag, Prof
Carrizo, Daniel, Dr
Cornelisson, Gerard, Dr
Cousins, Ian, Prof
Eriksson Wiklund, Ann-Kristin, Dr
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