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  • Articles  (40)
  • air pollution  (22)
  • lead
  • mercury
  • radiation processing
  • 2000-2004  (40)
  • Energy, Environment Protection, Nuclear Power Engineering  (40)
  • Mathematics
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  • Articles  (40)
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  • 1
    Electronic Resource
    Electronic Resource
    Air Pollution and Sick-leaves (2000)
    Springer
    Environmental and resource economics 16 (2000), S. 31-50 
    Details
    ISSN: 1573-1502
    Keywords: air pollution ; logit specification ; PM10 ; work loss days
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Economics
    Notes: Abstract During the last decade an increasing amount of studies have investigatedthe relationship between air pollution and human health effects. In thisstudy we investigate how these effects in turn induce reduced labourproductivity in terms of sick-leaves, which is an important factor inassessment of air pollution costs in urban areas. For this purpose weemploy a logit model along with data on sick-leaves from a large office inOslo and different air pollutants. Our results indicate that sick-leaves aresignificantly associated with particulate matter (PM10), while theassociations with SO2 and NO2, are more ambiguous. We also tryto estimate the induced social costs in terms of lost labour productivity andincreased governmental expenditures, although these estimates are moreuncertain.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008318004154
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  • 2
    Electronic Resource
    Electronic Resource
    Relation of Waterfowl Poisoning to Sediment Lead Concentrations in the Coeur d'Alene River Basin (2000)
    Springer
    Ecotoxicology 9 (2000), S. 207-218 
    Details
    ISSN: 1573-3017
    Keywords: lead ; waterfawl ; sediment ; toxicity ; mining ; risk assessment ; swans ; ALAD ; protoporphyrin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract For many years, waterfowl have been poisoned by lead after ingesting contaminated sediment in the Coeur d'Alene River Basin, in Idaho. Results of studies on waterfowl experimentally fed this sediment were combined with results from field studies conducted in the Basin to relate sediment lead concentration to injury to waterfowl. The first step in the model estimated exposure as the relation of sediment lead concentration to blood lead concentration in mute swans (Cygnus olor), ingesting 22% sediment in a rice diet. That rate corresponded to the 90th percentile of sediment ingestion estimated from analyses of feces of tundra swans (Olor columbianus) in the Basin. Then, with additional laboratory studies on Canada geese (Branta canadensis) and mallards (Anas platyrhynchos) fed the sediment, we developed the general relation of blood lead to injury in waterfowl. Injury was quantified by blood lead concentrations, ALAD (δ-aminolevulinic acid dehydratase) activity, protoporphyrin concentrations, hemoglobin concentrations, hepatic lead concentrations, and the prevalence of renal nuclear inclusion bodies. Putting the exposure and injury relations together provided a powerful tool for assessing hazards to wildlife in the Basin. The no effect concentration of sediment lead was estimated as 24 mg/kg and the lowest effect level as 530 mg/kg. By combining our exposure equation with data on blood lead concentrations measured in moribund tundra swans in the Basin, we estimated that some mortality would occur at a sediment lead concentration as low as 1800 mg/kg.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008998821913
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  • 3
    Electronic Resource
    Electronic Resource
    Air Pollution and ‘Dirty’ Industries: How and Why Does the Composition of Manufacturing Output Change with Economic Development? (2000)
    Springer
    Environmental and resource economics 17 (2000), S. 109-123 
    Details
    ISSN: 1573-1502
    Keywords: economic development ; industrial composition ; pollution havens ; air pollution
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Economics
    Notes: Abstract This paper examines the impact on air pollution ofchanges in the composition of manufacturing output indeveloped and developing countries. Pollutionemissions from manufacturing output are estimated ina manner which holds constant the effect of technologyand regulations allowing the impact of compositional changes alone on pollution to beestimated. The paper has three main findings; (1) theinverted-U estimated between per capita income and thepollution intensity of GDP arises due to both thecomposition of manufacturing becoming cleaner and theshare of manufacturing output in GDP falling.Compositional changes alone are not responsible forthe inverted-U between per capita income and percapita emissions; (2) changes to the composition ofmanufacturing output are consistent with the pollutionhaven hypothesis, however there is clear evidence thatrising per capita incomes are associated with afalling income elasticity of demand for `dirty'products. This fact may explain the compositionalchanges that occur with development; (3) in additionto the income elasticity effect, the analysis suggeststhat land prices and to a lesser extent the prices oflabour and capital, determine the proportion of dirtyindustry within a country's manufacturing sector.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008388221831
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  • 4
    Electronic Resource
    Electronic Resource
    Climate change, urban air problems and transport policy in the European Union (2000)
    Springer
    Integrated assessment 1 (2000), S. 145-156 
    Details
    ISSN: 1573-1545
    Keywords: transport ; air pollution ; greenhouse gasses ; externalities ; fuel efficiency of cars ; cost-effectiveness
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract This paper surveys some recent studies on conventional air pollution and climate change in the transport sector in Europe. Fuel efficiency standards, car emission standards and transport pricing instruments are analysed from an economic perspective taking into account environmental and economic efficiency objectives.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1019127731254
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  • 5
    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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  • 6
    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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  • 7
    Electronic Resource
    Electronic Resource
    An Overview of Contaminant-Related Issues Identified by Monitoring in San Francisco Bay (2000)
    Springer
    Environmental monitoring and assessment 64 (2000), S. 409-419 
    Details
    ISSN: 1573-2959
    Keywords: monitoring ; assessment ; water ; sediment ; bioaccumulation ; toxicity ; pesticides ; mercury ; PCB
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The San Francisco Estuary Regional Monitoring Program for Trace Substances (RMP) began in 1993 and is sponsored by 74 local, state, and federal agencies and companies through their discharge or Bay use permits. The RMP monitors water, sediment, toxicity, and bivalve bioaccumulation at 25 sites in the Bay that are considered to represent "background" conditions. Several major environmental issues have been identified by the RMP. Polychlorinated biphenyls and mercury were often above water quality guidelines, and often occurred in fish tissues above U.S. Environmental Protection Agency (U.S. EPA) screening values. Concentrations do not appear to be decreasing, suggesting continuing inputs. Episodes of aquatic toxicity often occurred following runoff events that transport contaminants into the Bay from urbanized and agricultural portions of the watershed. Sediment toxicity occurred throughout the Bay, and has been correlated with concentrations of specific contaminants (chlordanes, polynuclear aromatic hydrocarbons) at some locations; mixtures of contaminants were probably also important. Since the RMP does not monitor all ecosystem components, assessments of the overall condition of the Bay cannot be made. However, in terms of contamination, the RMP samples suggest that the South Bay, and North Bay sites are moderately contaminated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006459605924
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  • 8
    Electronic Resource
    Electronic Resource
    Air Quality in Norwich, UK Multi-Scale Modelling to Assess the Significance of City, County and Regional Pollution Sources (2000)
    Springer
    Environmental monitoring and assessment 65 (2000), S. 425-433 
    Details
    ISSN: 1573-2959
    Keywords: PM10 ; urban air quality ; background ; NAME ; ADMS ; long range transport ; air pollution ; particulates ; nitrogen dioxide ; sulphur dioxide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Norwich is the eastern most city in the United Kingdom. Despite a population of only 100,000 and very little local industry, studies have shown that the city experiences levels of nitrogen dioxide, ozone, particulates and sulphur dioxide exceeding the UK Air Quality Standards. Because of Norwich's situation within a large, predominantly rural area a large non-resident workforce is one factor that contributes to large, often very congested traffic flows. The city's location close to the European mainland also exposes it to polluted airmasses transported from the continent, especially in the case of particulates and ozone. In order to assess the relative contributions of local and regional sources, data from rural and urban monitoring sites are to be used in conjunction with ADMS-Urban and the UK Meteorological Office's NAME model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006477112407
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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
    The Draft of the New German Guideline VDI 3782/8 to Model Automobile Exhaust Dispersion (2000)
    Springer
    Environmental monitoring and assessment 65 (2000), S. 381-387 
    Details
    ISSN: 1573-2959
    Keywords: air pollution ; model ; guideline ; automobile ; concentrations ; MLuS ; STREET ; PROKAS ; MISKAM ; AIR-EIA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The draft of the German guideline to calculate automobile exhaust dispersion is explained. It contains a two-stage-system: For first quick estimates the guideline contains the simple models MLuS and STREET. In case these models are not applicable or their results shows concentration levels close to the air quality standards, the more complex models PROKAS_V and MISKAM are recommended. PROKAS_V is a Gaussian plume model, MISKAM is a 3-dimensional microscale non hydrostatic flow model for built-up areas with an Eulerian dispersion model. The guideline comprises cases in rural areas without or with few adjacent buildings as well as urban areas with buildings near the roads. The contribution gives information about the models, typical results and some of the problems showing up presently.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006464825611
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