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  • 1
    Electronic Resource
    Electronic Resource
    Low-energy electron accelerators for industrial radiation processing
    Amsterdam : Elsevier
    Radiation Physics and Chemistry 42 (1993), S. 525-529 
    Details
    ISSN: 0969-806X
    Keywords: Electron accelerators ; air pollution ; curing ; radiation processing ; trichloroethylene
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0969-806X(93)90302-B
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  • 2
    Electronic Resource
    Electronic Resource
    Iron content and its relations to the sulphur and titanium contents of epiphytic and terricolous lichens and pine bark in Finland
    Amsterdam : Elsevier
    Environmental Pollution 84 (1994), S. 131-138 
    Details
    ISSN: 0269-7491
    Keywords: air pollution ; bioindicators ; element ratios ; geochemical relations ; heavy metals
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0269-7491(94)90095-7
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  • 3
    Electronic Resource
    Electronic Resource
    Chronic ozone exposure increases the susceptibility of hybrid Populus to disease caused by Septoria Musiva
    Amsterdam : Elsevier
    Environmental Pollution 86 (1994), S. 109-114 
    Details
    ISSN: 0269-7491
    Keywords: air pollution ; canker ; disease ; ozone ; plant
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0269-7491(94)90012-4
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  • 4
    Electronic Resource
    Electronic Resource
    The response of spruce shoot aphid Cinara pilicornis hartig to ambient and filtered air at two elevations and pollution climates
    Amsterdam : Elsevier
    Environmental Pollution 86 (1994), S. 233-238 
    Details
    ISSN: 0269-7491
    Keywords: Alps ; Norway spruce ; air pollution ; ozone
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0269-7491(94)90195-3
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  • 5
    Electronic Resource
    Electronic Resource
    The reconstruction of environmental rights in urban South Africa (1995)
    Springer
    Human ecology 23 (1995), S. 259-284 
    Details
    ISSN: 1572-9915
    Keywords: South Africa ; urbanization ; hazards ; flood ; air pollution ; health ; human rights
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Ethnic Sciences
    Notes: Abstract Rapid and spatially concentrated urbanization in South Africa has brought with it significant health and safety hazards. These hazards are described and analyzed through two optics: environmental rights and community participation. The rights perspective suggests that the system of apartheid led to a collapse of rural livelihoods, driving people to the cities, while apartheid's tight control over African residential location and employment ensured that high density settlement and unemployment would follow. The resulting urban environmental degradation and health and safety hazards are a violation of the human rights of the African residents of townships and informal settlements. The community participation perspective suggests that reconstruction can be linked to development and that community-based hazard identification and mitigation can be a vehicle for kick-starting urban revitalization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01191652
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  • 6
    Electronic Resource
    Electronic Resource
    Biotechniques for air pollution control (1993)
    Springer
    Biodegradation 4 (1993), S. 283-301 
    Details
    ISSN: 1572-9729
    Keywords: air pollution ; biofiltration ; bioremediation ; bioscrubbing ; off-gas treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract This paper gives an overview of present biological techniques for the treatment of off-gases and the techniques that are being developed at the moment. The characteristics, advantages, disadvantages, costs and application area are discussed and compared. Biological off-gas treatment is based on the absorption of volatile contaminants in an aqueous phase or biofilm followed by oxidation by the action of microorganisms. Biofilters, bioscrubbers and biotrickling filters are used for elimination of odour and bioconvertable volatile organic and inorganic compounds and are enjoying increasing popularity. This popularity is a result of the low investment and operational costs involved compared to physico-chemical techniques and the elimination efficiencies that can be obtained. The operational envelop is still extending to higher concentrations and gas flow rates (exceeding 200,000 m3 h−1) and a broader spectrum of degradable compounds. Research and development on the use of membranes and the addition of activated carbon or a second liquid phase to the biological systems may lead to a more efficient elimination of hydrophobic compounds and buffering of fluctuating loads. Shorter adaptation periods can be obtained by inoculation with specialized microorganisms. Improved design and operation are made possible by the growing insights in the kinetics and microbiology and supported by the development of models describing biological off-gas treatment. In conclusion, biotechniques are efficient and cost effective in treating off-gases with concentrations of biodegradable contaminants up to 1–5 g/m3. They could play a justified and important role in air pollution control in the coming years.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00695975
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  • 7
    Electronic Resource
    Electronic Resource
    Visual Assessment of Foliar Injury Induced by Ozone on Indicator Tobacco Plants: A Data Quality Evaluation (2000)
    Springer
    Environmental monitoring and assessment 62 (2000), S. 175-191 
    Details
    ISSN: 1573-2959
    Keywords: air pollution ; biomonitoring ; O3
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract A group of 50 inexperienced scorers were asked to estimate –using standard reference photos – foliar injury induced by the gas pollutant ozone on the supersensitive indicator planttobacco (Nicotiana tabacum L.) cv. Bel-W3. Theaverage accuracy level was 56.1% (95.9% when theclasses nearest to the reality were also consideredcorrect) and the average repeatability was 65.4%. Theextreme classes were easily scored. Central classesproved to be more difficult to be evaluated: this maydepend on the fact that two leaves may have similaractual total injured area, but substantially differentnumbers and spatial distribution of the lesions. Insome cases we observed a prevalence of overestimationerrors in the high classes and underestimation in thelow classes: this is in contradiction with theWeber-Fechner law. It is noteworthy the very shorttime required by operators to score, regardless of the results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006262603497
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  • 8
    Electronic Resource
    Electronic Resource
    Monitoring Air Quality in Mountains: Designing an Effective Network (2000)
    Springer
    Environmental monitoring and assessment 64 (2000), S. 81-91 
    Details
    ISSN: 1573-2959
    Keywords: air pollution ; air quality ; monitoring network ; mountainous regions ; multi-scale assessment ; spatial and temporal scales ; tropospheric ozone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract A quantitatively robust yet parsimonious air-quality monitoring network in mountainous regions requires special attention to relevant spatial and temporal scales of measurement and inference. The design of monitoring networks should focus on the objectives required by public agencies, namely: 1) determine if some threshold has been exceeded (e.g., for regulatory purposes), and 2) identify spatial patterns and temporal trends (e.g., to protect natural resources). A short-term, multi-scale assessment to quantify spatial variability in air quality is a valuable asset in designing a network, in conjunction with an evaluation of existing data and simulation-model output. A recent assessment in Washington state (USA) quantified spatial variability in tropospheric ozone distribution ranging from a single watershed to the western third of the state. Spatial and temporal coherence in ozone exposure modified by predictable elevational relationships (∼ 1.3 ppbv ozone per 100 m elevation gain) extends from urban areas to the crest of the Cascade Range. This suggests that a sparse network of permanent analyzers is sufficient at all spatial scales, with the option of periodic intensive measurements to validate network design. It is imperative that agencies cooperate in the design of monitoring networks in mountainous regions to optimize data collection and financial efficiencies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006498704222
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  • 9
    Electronic Resource
    Electronic Resource
    Application of CFD Methods for Modelling in Air Pollution Problems: Possibilities and Gaps (2000)
    Springer
    Environmental monitoring and assessment 65 (2000), S. 181-189 
    Details
    ISSN: 1573-2959
    Keywords: air pollution ; Computer Fluid Dynamics (CFD) methods ; environment modelling ; atmospheric boundary layer (ABL) ; turbulence ; stable-stratified atmosphere ; complex terrain
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Different urban air pollution problems deal with complex structure of air flows and turbulence. For such problems the Computer Fluid Dynamics (CFD) methods become widely used. However, this approach despite a number of advantages has some problems. Experience of use of CFD tools for development of models and suggestions of their applications for a local scale air pollution over a complex terrain and stable stratification are discussed in this paper, including: • Topography and complex geometry: choose of the co-ordinate system and computer grid; • Turbulence closure for air pollution modelling: modified k-ε model for stable stratified ABL; • Boundary conditions for vertical profiles of velocity for stable-stratified atmosphere; • Effects of the radiation and thermal budget of inclined surfaces to dispersion of pollutants; • Artificial sources of air dynamics and circulation. Some examples of CFD applications for air pollution modelling for a flat terrain, mountainous area, mining open cast and indoor ventilation are discussed. Modified k-ε model for stably-stratified ABL is suggested. Due to the isotropic character of the k-ε model a combination of it in vertical with the sub-grid turbulence closure in horizontal can be more suitable for ABL. An effective scheme of boundary conditions for velocity profiles, based on the developed similarity theory for stable-stratified ABL, is suggested. Alongside with the common studies of atmospheric dispersion, the CFD methods have also demonstrated a good potential for studying anthropogenic and artificial-ventilation sources of air dynamic and circulation in local-scale processes of air pollution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006442514766
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  • 10
    Electronic Resource
    Electronic Resource
    Vegetation monitoring in South-Varanger, Norway – species composition of ground vegetation and its relation to environmental variables and pollution impact (1999)
    Springer
    Environmental monitoring and assessment 58 (1999), S. 1-21 
    Details
    ISSN: 1573-2959
    Keywords: air pollution ; indirect and direct gradient analysis ; vegetation monitoring
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The area along the Norwegian-Russian border is threatened by air pollution from emission sources on the Kola Peninsula. A permanent network of 78 systematically chosen monitoring sites has been established in eastern Finnmark, Norway. Species abundance data from the ground vegetation have been recorded from 1320 systematically chosen permanent plots inside 66 of these sites, using frequency in subplots and visual estimates of percentage cover. Environmental variables were obtained for the whole site. Multivariate data analysis has been used to describe the variation in the species composition and to study its relation to environmental variables and pollution impact. The analyses show that much of the variation in the species composition, based on average species abundance at the sites, is well explained by different soil and climatic conditions. However, estimated SO2 deposition, Ni, and Cu in the soil, and Ni in Cladina tissue have also been found to be statistically significantly correlated with the variation in the species data, but they explain only a minor part of the variation. The pollution impact over several years may have lead to a reduced lichen cover in the bottom-layer vegetation. Further development in an either negative or positive direction can be detected by re-investigations of the monitoring sites.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006026926667
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