REFERENCE_ID int64 273 7.3M | TITLE stringlengths 4 390 | AUTHORS stringlengths 5 1.43k ⌀ | YEAR int64 1.85k 2.02k ⌀ | ABSTRACT stringlengths 1 18.4k ⌀ | CITED int64 0 1 |
|---|---|---|---|---|---|
644,284 | Protective effect of the anti-ozonant, ethylenediurea (EDU), on development and photosynthesis of Glycine max under ambient and elevated ozone levels in an OTC system | Scheepers, CCW; Berner, JM; Kruger, GHJ | 2,010 | null | 0 |
787,136 | [Biomonitoring as one part of an ecological assessment of an automotive manufacturing site - Part 1: Conceptual design - Biomonitoring of effects of airborne organic solvents using higher plants] | Kostka-Rick, R; Nobel, W; Muller, K; Winkelbauer, W | 2,010 | The Mercedes-Benz plant in Rastatt is the youngest manufacturing site of the Daimler AG in Germany. In 2000-2001, ten years after the plant had been built, a study was carried out to deal with the question whether there are measurable effects on the ecosystem in the immediate surroundings of the plant. The study includ... | 0 |
1,722,306 | Impact of dry deposition of semi-volatile organic compounds on secondary organic aerosols | Bessagnet, B; Seigneur, C; Menut, L | 2,010 | Dry deposition of semi-volatile organic compounds (SVOC) is not currently treated in most chemical transport models of air quality and this omission has been identified as a possible major source of uncertainty. The effect of dry deposition of SVOC on the concentration of secondary organic aerosols (SOA) is investigate... | 0 |
733,100 | Carbon isotope composition, macronutrient concentrations, and carboxylating enzymes in relation to the growth of Pinus halepensis Mill. When subject to ozone stress | Inclan, R; Gimeno, BS; Pe?uelas, J; Gerant, D; Quejido, A | 2,010 | We present here the effects of ambient ozone (O3)-induced decline in carbon availability, accelerated foliar senescence, and a decrease in aboveground biomass accumulation in the Aleppo pine (Pinus halepensis Mill.). Aleppo pine seedlings were continuously exposed in open-top chambers for 39 months to three different t... | 0 |
696,859 | Climate changes and potential impacts on postharvest quality of fruit and vegetable crops: A review | Moretti, CL; Mattos, LM; Calbo, AG; Sargent, SA | 2,010 | Temperature increase and the effects of greenhouse gases are among the most important issues associated with climate change. Studies have shown that the production and quality of fresh fruit and vegetable crops can be directly and indirectly affected by high temperatures and exposure to elevated levels of carbon dioxid... | 0 |
733,107 | Cultivar-specific response of soybean (Glycine max L.) to ambient and elevated concentrations of ozone under open top chambers | Singh, S; Agrawal, SB | 2,010 | Two cultivars of soybean (Pusa 9814 and Pusa 9712) were investigated to evaluate the impact of ambient and elevated concentrations of ozone (O3) in a suburban site of India with and without application of 400 ppm ethylenediurea (EDU) in open top chambers having filtered air (FCs), non-filtered air (NFCs), and non-filte... | 0 |
644,268 | Natural emissions for regional modeling of background ozone and particulate matter and impacts on emissions control strategies | Koo, B; Chien, CJ; Tonnesen, G; Morris, R; Johnson, J; Sakulyanontvittaya, T; Piyachaturawat, P; Yarwood, G | 2,010 | Natural emissions adopted in current regional air quality modeling are updated to better describe natural background ozone and PM concentrations for North America. The revised natural emissions include organosulfur from the ocean, NO from lightning, sea salt, biogenic secondary organic aerosol (SOA) precursors, and pre... | 0 |
625,420 | Effect of ozone stress on different growth stages of potato (Solanum tuberosum) | Mina, U; Kumar, P; Varshney, CK | 2,010 | In the present study responses of different growth stages
of potato to ozone exposure were investigated Potato plants of vegetative (30 day old plants
(DOPs)), reproductive (45 DOPs) and post reproductive (60 DOPs) growth stage were exposed to
75ppb and 150ppb ozone concentration for 12 days, 2 hr per day in Control... | 0 |
696,780 | How vegetation impacts affect climate metrics for ozone precursors | Collins, WJ; Sitch, S; Boucher, O | 2,010 | We examine the effect of ozone damage to vegetation as caused by anthropogenic emissions of ozone precursor species and quantify it in terms of its impact on terrestrial carbon stores. A simple climate model is then used to assess the expected changes in global surface temperature from the resulting perturbations to at... | 0 |
2,097,583 | Hygroscopic particles on leaves: nutrients or desiccants? | Burkhardt, J | 2,010 | Aerosols have always been part of the atmosphere, and plant surfaces are a major aerosol sink. Given the nutrient content of aerosols and the natural stability of aerosol concentrations over evolutionary time, plants may have developed adaptations to aerosol input. Although little is known about such adaptations, leaf ... | 0 |
644,361 | Direct and indirect effects of regional air pollution on tree crown defoliation | Augustaitis, A; Sopauskiene, D; Bauziene, I | 2,010 | Changes in tree crown condition, in most cases, may be related to the integrated impact of natural and anthropogenic factors, where S and N deposition, through the combination of direct, above-ground, impacts of SO2, NOx and NH4 on foliage and indirect, soil-mediated, impacts on roots play a predisposing, accompanying ... | 0 |
670,287 | Facts II: The Aspen FACE Experiment | null | 2,010 | The Aspen FACE (Free-Air Carbon Dioxide Enrichment) Experiment is a multidisciplinary study to assess the effects of increasing tropospheric ozone and carbon dioxide levels on the structure and function of northern forest ecosystems. | 0 |
632,897 | Rising concentrations of atmospheric CO2 have increased growth in natural stands of quaking aspen (Populus tremuloides) | Cole, CT; Anderson, JE; Lindroth, RL; Waller, DM | 2,010 | As atmospheric CO2 levels rise, temperate and boreal forests in the Northern Hemisphere are gaining importance as carbon sinks. Quantification of that role, however, has been difficult due to the confounding effects of climate change. Recent large-scale experiments with quaking aspen (Populus tremuloides), a dominant s... | 0 |
385,847 | Identification of ozone stress in Indian rice through foliar injury and differential protein profile | Sarkar, A; Agrawal, SB | 2,010 | The present study showed a possibility to use phenotypic and proteomic responses in rice plants as an in vivo biomarker to detect higher concentrations of ambient ozone (O(3)). The investigation was done on two cultivars of Indian rice using open top chambers ventilated with charcoal filtered air, ambient air, ambient ... | 0 |
651,827 | The science of pterygia | Bradley, JC; Yang, W; Bradley, RH; Reid, TW; Schwab, IR | 2,010 | Pterygium is an ocular surface disease of humans attributed to chronic ultraviolet-B exposure. Clinically, the condition involves invasive centripetal growth with associated inflammation and neovascularisation. Previous clinical studies focused primarily on the clinical characteristics and surgical management of pteryg... | 0 |
380,533 | Rapid quantitative assessment of visible injury to vegetation and visual amenity effects of fluoride air pollution | Doley, D | 2,010 | Quantitative measures of visible injury are proposed for the protection of the aesthetic acceptability and health of ecosystems. Visible indications of air pollutant injury symptoms can be assessed rapidly and economically over large areas of mixed species such as native ecosystems. Reliable indication requires close a... | 0 |
696,145 | Isoprene emissions modelling for West Africa: MEGAN model evaluation and sensitivity analysis | Ferreira, J; Reeves, CE; Murphy, JG; Garcia-Carreras, L; Parker, DJ; Oram, DE | 2,010 | Isoprene emissions are the largest source of reactive carbon to the atmosphere, with the tropics being a major source region. These natural emissions are expected to change with changing climate and human impact on land use. As part of the African Monsoon Multidisciplinary Analyses (AMMA) project the Model of Emissions... | 0 |
644,280 | Remote sensing of the tropical rain forest boundary layer using pulsed Doppler lidar | Pearson, G; Davies, F; Collier, C | 2,010 | Within the framework of the Natural Environment Research Council (NERC) Oxidant and Particle Photochemical Processes (OP3) project, a pulsed Doppler lidar was deployed for a 3 month period in the tropical rain forest of Borneo to remotely monitor vertical and horizontal transport, aerosol distributions and clouds in th... | 0 |
697,104 | Economic damages of ozone air pollution to crops using combined air quality and GIS modelling | Vlachokostas, C; Nastis, SA; Achillas, C; Kalogeropoulos, K; Karmiris, I; Moussiopoulos, N; Chourdakis, E; Banias, G; Limperi, N | 2,010 | This study aims at presenting a combined air quality and GIS modelling methodological approach in order to estimate crop damages from photochemical air pollution, depict their spatial resolution and assess the order of magnitude regarding the corresponding economic damages. The analysis is conducted within the Greater ... | 0 |
102,173 | Climate variations and phenological stages modulate ozone damages in field-grown wheat. A three-year study with eight modern cultivars in Po Valley (Northern Italy) | Picchi, V; Iriti, M; Quaroni, S; Saracchi, M; Viola, P; Faoro, F | 2,010 | A three-year field study of leaf symptoms on eight wheat cultivars was carried out in Po Valley (Northern Italy). The survey aimed at showing a possible relationship between climate conditions (temperature and rainfall) and surface ozone levels with the evolution and severity of symptoms due to air pollution (very like... | 0 |
758,860 | Comparison between personal and individual exposure to urban air pollutants | Cattaneo, A; Taronna, M; Garramone, G; Peruzzo, C; Schlitt, C; Consonni, D; Cavallo, DM | 2,010 | This study tested the reliability of a novel method developed for assessing the individual exposure to size-fractionated particulate matter (PM) and gaseous urban pollutants. Individual exposure was defined as the exposure constantly measured in proximity to the subject, even during transfers.
Individual exposure was ... | 0 |
378,710 | Does one size fit all? The suitability of standard ozone exposure metric conversion ratios and implications for epidemiology | Anderson, GB; Bell, ML | 2,010 | Several exposure metrics have been applied in health research and policy settings to represent ozone exposure, such as the 24 h average and daily 8 h maximum. Frequently, results calculated using one exposure metric are converted using a simple ratio to compare or combine findings with results using a different metric.... | 1 |
689,662 | Impact of tropospheric ozone on wheat (Triticum aestivum L.) in the eastern Gangetic plains of India as assessed by ethylenediurea (EDU) application during different developmental stages | Singh, S; Agrawal, SB | 2,010 | Phytotoxic ambient O(3) concentrations are often recorded at several rural sites supporting agriculture in India. As ethylenediurea (EDU) has been successfully used to prevent foliar O(3) injury and to determine O(3) effects on growth and yield of plants, the present study was conducted to standardize the optimal dose ... | 0 |
815,088 | Effects of N-2 gas on preheated laminar LPG jet diffusion flame | Mishra, DP; Kumar, P | 2,010 | This paper presents an experimental investigation of the inert gas effect on flame length. NOx and soot free length fraction (SFLF) in a laminar LPG diffusion flame. Besides this, flame radiant fraction and temperature are also measured to explain observed NOx emission and SFLF. The inert is added to both air and fuel ... | 0 |
785,548 | Enhanced ozone over western North America from biomass burning in Eurasia during April 2008 as seen in surface and profile observations | Oltmans, SJ; Lefohn, AS; Harris, JM; Tarasick, DW; Thompson, AM; Wernli, H; Johnson, BJ; Novelli, PC; Montzka, SA; Ray, JD | 2,010 | During April 2008, as part of the International Polar Year (IPY), a number of ground-based and aircraft campaigns were carried out in the North American Arctic region (e.g., ARCTAS, ARCPAC). The widespread presence during this period of biomass burning effluent, both gaseous and particulate, has been reported. Unusuall... | 0 |
625,419 | No interaction between methyl jasmonate and ozone in Pima cotton: Growth and allocation respond independently to both | Grantz, DA; Vu, HB; Aguilar, C; Rea, MA | 2,010 | Ozone (O3) is damaging to plants, inducing signalling pathways involving antagonism between jasmonates and ethylene. These pathways mediate O3 responses, particularly to acute exposure, and their manipulation protected several species against acute and chronic O3. We use chronic daily exposure of up to 163 ppb O3, and ... | 1 |
749,709 | Modeling natural emissions in the Community Multiscale Air Quality (CMAQ) model ? Part 1: Building an emissions data base | Smith, SN; Mueller, SF | 2,010 | A natural emissions inventory for the continental United States and surrounding territories is needed in order to use the US Environmental Protection Agency Community Multiscale Air Quality (CMAQ) Model for simulating natural air quality. The CMAQ air modeling system (including the Sparse Matrix Operator Kernel Emissio... | 0 |
625,502 | Childhood incident asthma and traffic-related air pollution at home and school: Online data supplement | McConnell, R; Islam, T; Shankardass, K; Jerrett, M; Lurmann, F; Gilliland, F; Gauderman, J; Avol, E; Kunzli, N; Yao, L; Peters, J; Berhane, K | 2,010 | null | 0 |
687,659 | Ambient Air Monitoring Reference and Equivalent Methods: Designation of One New Equivalent Method (EPA Office of Research and Development) | null | 2,010 | null | 0 |
644,260 | Modelling annual pasture dynamics: Application to stomatal ozone deposition | Gonzalez-Fernandez, I; Bermejo, V; Elvira, S; Sanz, J; Gimeno, BS; Alonso, R | 2,010 | Modelling ozone (O-3) deposition for impact risk assessment is still poorly developed for herbaceous vegetation, particularly for Mediterranean annual pastures. High inter-annual climatic variability in the Mediterranean area makes it difficult to develop models characterizing gas exchange behaviour and air pollutant a... | 0 |
2,992,015 | Coarse woody debris assay in northern Arizona mixed-conifer and ponderosa pine forests | Ganey, JL; Vojta, SC | 2,010 | Coarse woody debris (CWD) provides important ecosystem services in forests and affects fire behavior, yet information on amounts and types of CWD typically is limited. To provide such information, we sampled logs and stumps in mixed-conifer and ponderosa pine (Pinus ponderosa) forests in north-central Arizona. Spatial ... | 0 |
644,252 | Direct Measurement of Emission of Endogenous Ozone from Plants by GC-MS-SIM | Balla, J; Tyihak, E | 2,010 | According to recent observations antibodies can catalyze the formation of previously unknown oxidants, dihydrogen trioxide (H2O3) and ozone (O-3), formed in the interaction between singlet oxygen (O-1(2)) and H2O. The O-3 molecules can be detected indirectly e.g. in TLC/OPLC chromatographic spots in the simple BioArena... | 0 |
778,757 | Impact of stratospheric ozone recovery on tropospheric ozone and its budget | Zeng, G; Morgenstern, O; Braesicke, P; Pyle, JA | 2,010 | We consider the impact of stratospheric ozone recovery between 2000 and 2100 on modeled tropospheric ozone and the tropospheric ozone budget, using a tropospheric chemistry-climate model. Ozone calculated from a stratospheric chemistry-climate model is used to prescribe lower stratospheric ozone in the tropospheric mod... | 0 |
644,283 | Elevated ozone and two modern wheat cultivars: An assessment of dose dependent sensitivity with respect to growth, reproductive and yield parameters | Sarkar, A; Agrawal, SB | 2,010 | Tropospheric ozone (O-3), throughout the globe, has become a potential risk for agriculture. The present investigation was performed with two cultivars of Indian wheat (Sonalika and HUVV 510) against ambient and elevated levels of O-3 by using open top chambers (OTCs). Both the cultivars showed the negative impact of O... | 0 |
696,854 | Using commercial tree nurseries to monitor visible ozone injury?An evaluation | Benham, SE; Broadmeadow, MSJ; Schaub, M; Calatayud, V; Bussotti, F | 2,010 | Ozone damage on trees leaves no residue that can be detected analytically; therefore visible assessment is the only easily detectable method for collecting evidence. Here we present an evaluation of an assessment method using damaged detected on trees grown in commercial tree nurseries. The extent of visible ozone inju... | 0 |
595,126 | Operational retrieval algorithms for JEM/SMILES level 2 data processing system | Takahashi, C; Ochiai, S; Suzuki, M | 2,010 | To measure the thermal emission from stratospheric minor species with high sensitivity, the Superconducting Submillimeter-wave Limb-Emission Sounder (SMILES) aboard the Japanese Experiment Module (JEM) of the International Space Station (ISS) carries 4 K cooled Superconductor?Insulator?Superconductor (SIS) mixers. The ... | 0 |
664,507 | [Email to D Kotchner regarding Lin et al., 2008] | Lin, S | 2,010 | null | 0 |
733,104 | Effects of elevated carbon dioxide and/or ozone on endogenous plant hormones in the leaves of Ginkgo biloba | Li, X; Zhang, L; Li, Y; Ma, L; Chen, Q; Wang, LL; He, X | 2,010 | Four-year-old Gingko (Ginkgo biloba L.) trees were exposed to ambient and elevated concentrations of CO2 and O3, and their combination for 1 year, using open-top chambers in Shenyang, China in 2006. Growth parameters and endogenous plant hormones were measured simultaneously over the experiment period. Elevated CO2 inc... | 0 |
995,866 | Effects of simulated tropospheric ozone on nutrients levels and
photosynthetic pigments concentrations of three mangrove species | Ceron-Breton, JG; Ceron-Breton, RM; Guerra-Santos, JJ; Aguilar-Ucan, C; Montero-Romano, Vargas-Caliz, C; Cordova-Quiroz, V; Jimenez-Corzo, R | 2,010 | null | 0 |
647,061 | Emissions and ambient distributions of Biogenic Volatile Organic Compounds (BVOC) in a ponderosa pine ecosystem: Interpretation of PTR-MS mass spectra | Kim, S; Karl, T; Guenther, A; Tyndall, G; Orlando, J; Harley, P; Rasmussen, R; Apel, E | 2,010 | Two proton-transfer-reaction mass spectrometry systems were deployed at the Bio-hydro-atmosphere interactions of Energy, Aerosols, Carbon, H2O, Organics and Nitrogen-Southern Rocky Mountain 2008 field campaign (BEACHON-SRM08; July to September, 2008) at the Manitou Forest Observatory in a ponderosa pine woodland near W... | 0 |
644,295 | Optimal reduction of the ozone monitoring network over France | Wu, L; Bocquet, M; Chevallier, M | 2,010 | Ozone is a harmful air pollutant at ground level, and its concentrations are measured with routine monitoring networks. Due to the heterogeneous nature of ozone fields, the spatial distribution of the ozone concentration measurements is very important. Therefore, the evaluation of distributed monitoring networks is of ... | 0 |
677,582 | Air trends: Design values | null | 2,010 | A design value is a statistic that describes the air quality status of a given area relative to the level of the National Ambient Air Quality Standards (NAAQS). Design values are especially helpful when the standard is exceedance-based (e.g. 1-hour ozone, 24-hour PM10, etc.) because they are expressed as a concentratio... | 0 |
624,947 | TLR4 is necessary for hyaluronan-mediated airway hyperresponsiveness after ozone inhalation | Garantziotis, S; Li, Z; Potts, EN; Lindsey, JY; Stober, VP; Polosukhin, VV; Blackwell, TS; Schwartz, DA; Foster, WM; Hollingsworth, JW | 2,010 | RATIONALE: Ozone is a common environmental air pollutant that contributes to hospitalizations for respiratory illness. The mechanisms, which regulate ozone-induced airway hyperresponsiveness, remain poorly understood. We have previously reported that toll-like receptor 4 (TLR4)-deficient animals are protected against o... | 1 |
628,538 | Low-level ozone exposure induces airways inflammation and modifies cell surface phenotypes in healthy humans | Alexis, NE; Lay, JC; Hazucha, M; Harris, B; Hernandez, ML; Bromberg, PA; Kehrl, H; Diaz-Sanchez, D; Kim, C; Devlin, RB; Peden, DB | 2,010 | The effects of low-level ozone exposure (0.08 ppm) on pulmonary function in healthy young adults are well known; however, much less is known about the inflammatory and immunomodulatory effects of low-level ozone in the airways. Techniques such as induced sputum and flow cytometry make it possible to examine airways inf... | 1 |
387,073 | Stomatal uptake of O3 in aspen and aspen-birch forests under free-air CO2 and O3 enrichment | Uddling, J; Hogg, AJ; Teclaw, RM; Carroll, MA; Ellsworth, DS | 2,010 | Rising atmospheric carbon dioxide (CO2) may alleviate the toxicological impacts of concurrently rising tropospheric ozone (O3) during the present century if higher CO2 is accompanied by lower stomatal conductance (gs), as assumed by many models. We investigated how elevated concentrations of CO2 and O3, alone and in co... | 1 |
655,506 | Mitochondrial metabolism and DNA integrity - Novel targets for alpha-MSH on human keratinocytes and melanocytes after UVB irradiation | Bohm, M; Kokot, A; Luger, TA; Dermody, J; Hill, HZ | 2,010 | It is widely accepted that melanin synthesis induced by alpha-MSH protects from nuclear genotoxic stress and from reactive oxygen species (ROS) upon UVB irradiation. However, the effects on UVB and alpha-MSH on mitochondrial metabolism and mitochondrial (mt) DNA integrity remain largely unexplored. Here, we show that i... | 0 |
644,281 | Response of pioneer plant communities to elevated ozone exposure | Pfleeger, TG; Plocher, M; Bichel, P | 2,010 | Considerable research has documented the effects of ozone on crop plants, but little experimental work has examined the effects of ozone on natural vegetation. Our objective was to determine how a plant community responds over several generations to elevated ozone exposures. Seed bank soil collected from the Oregon Sta... | 1 |
633,894 | Intercomparison methods for satellite measurements of atmospheric composition: Application to tropospheric ozone from TES and OMI | Zhang, L; Jacob, DJ; Logan, JA; Chance, K; Eldering, A; Bojkov, BR | 2,010 | We analyze three different methods to validate and intercompare satellite measurements of atmospheric composition, and apply them to tropospheric ozone retrievals from the Tropospheric Emission Spectrometer (TES) and the Ozone Monitoring Instrument (OMI). The first method (in situ method) uses in situ vertical profiles... | 1 |
630,289 | Historical (1850-2000) gridded anthropogenic and biomass burning emissions of reactive gases and aerosols: Methodology and application | Lamarque, JF; Bond, TC; Eyring, V; Granier, C; Heil, A; Klimont, Z; Lee, D; Liousse, C; Mieville, A; Owen, B; Schultz, MG; Shindell, D; Smith, SJ; Stehfest, E; Van Aardenne, J; Cooper, OR; Kainuma, M; Mahowald, N; Mcconnell, , JR; Naik, V; Riahi, K; Van Vuuren, DP | 2,010 | We present and discuss a new dataset of gridded emissions covering the historical period (1850?2000) in decadal increments at a horizontal resolution of 0.5? in latitude and longitude. The primary purpose of this inventory is to provide consistent gridded emissions of reactive gases and aerosols for use in chemistry mo... | 1 |
677,543 | The Rapid Update Cycle (RUC) | null | 2,010 | The RUC is a NOAA/ NCEP operational weather prediction system running every hour out to at least 18h comprised primarily of a numerical forecast model (using isentropic-sigma hybrid vertical coordinate) and an analysis/assimilation system to initialize that model. Developed to serve users needing frequently updated sho... | 1 |
670,882 | Prevalence of autism spectrum disorders --- Autism and developmental disabilities monitoring network, United States, 2006 | null | 2,010 | In the MMWR Surveillance Summary "Prevalence of Autism Spectrum Disorders---Autism and Developmental Disabilities Monitoring Network, United States, 2006," three errors occurred. On page 1, the first sentence of the "Results" section should read, "For the 2006 surveillance year, 2,757 (0.9%) of 308,038 children aged 8 ... | 0 |
382,659 | Interfacial reactions of ozone with surfactant protein B in a model lung surfactant system | Kim, HI; Kim, H; Shin, YS; Beegle, LW; Jang, SS; Neidholdt, EL; Goddard, WA; Heath, JR; Kanik, I; Beauchamp, JL | 2,010 | Oxidative stresses from irritants such as hydrogen peroxide and ozone (O(3)) can cause dysfunction of the pulmonary surfactant (PS) layer in the human lung, resulting in chronic diseases of the respiratory tract. For identification of structural changes of pulmonary surfactant protein B (SP-B) due to the heterogeneous ... | 0 |
594,440 | Effect of early life exposure to air pollution on development of childhood asthma | Clark, NA; Demers, PA; Karr, CJ; Koehoorn, M; Lencar, C; Tamburic, L; Brauer, M | 2,010 | Background: There is increasing recognition of the importance of early environmental exposures in the development of childhood asthma. Outdoor air pollution is a recognized asthma trigger, but it is unclear whether exposure influences incident disease. We investigated the effect of exposure to ambient air pollution in ... | 1 |
665,031 | Corrigendum to "A novel downscaling technique for the linkage of global and regional air quality modeling" published in Atmos. Chem. Phys., 9, 9169-9185, 2009 | Lam, Y; Fu, J | 2,010 | Recently, downscaling global atmospheric model outputs (GCTM) for the USEPA Community Multiscale Air Quality (CMAQ) Initial (IC) and Boundary Conditions (BC) have become practical because of the rapid growth of computational technologies that allow global simulations to be completed within a reasonable time. The tradit... | 1 |
596,482 | Do elevated atmospheric CO2 and O-3 affect food quality and performance of folivorous insects on silver birch? | Peltonen, PA; Vapaavuori, E; Heinonen, J; Julkunen-Tiitto, R; Holopainen, JK | 2,010 | The individual and combined effects of elevated CO2 and O-3 on the foliar chemistry of silver birch (Betula pendula Roth) and on the performance of five potential birch-defoliating insect herbivore species (two geometrid moths, one lymantrid moth and two weevils) were examined. Elevated CO2 decreased the water concentr... | 1 |
697,247 | Investigations of selected parameters of tobacco plants response to tropospheric ozone in ambient air conditions | Borowiak, K; Drzewiecka, K; Gasecka, M; Zbierska, J; Grajczynska, O | 2,010 | Ozone-sensitive (Bel W3) and ozone-resistant (Bel B) tobacco cultivars were employed in this study to evaluate the effect of tropospheric ozone on plants in Poznan city and surrounding area. These common ozone bioindicators were exposed at five exposure sites, three in the city and two in a rural area. Four exposure se... | 0 |
594,438 | The effect of ambient air pollution on sperm quality | Hansen, C; Luben, TJ; Sacks, JD; Olshan, A; Jeffay, S; Strader, L; Perreault, SD | 2,010 | Background: Research has suggested an association with ambient air pollution and sperm quality.Objectives: We investigated the effect of exposure to ozone (O3) and particulate matter < 2.5 microm in aerodynamic diameter (PM2.5) on sperm quality.Methods: We reexamined a previous cohort study of water disinfection by-pro... | 1 |
380,093 | Increasing springtime ozone mixing ratios in the free troposphere over western North America | Cooper, OR; Parrish, DD; Stohl, A; Trainer, M; Nedelec, P; Thouret, V; Cammas, JP; Oltmans, SJ; Johnson, BJ; Tarasick, D; Leblanc, T; Mcdermid, IS; Jaffe, D; Gao, R; Stith, J; Ryerson, T; Aikin, K; Campos, T; Weinheimer, A; Avery, MA | 2,010 | In the lowermost layer of the atmosphere-the troposphere-ozone is an important source of the hydroxyl radical, an oxidant that breaks down most pollutants and some greenhouse gases. High concentrations of tropospheric ozone are toxic, however, and have a detrimental effect on human health and ecosystem productivity. Mo... | 1 |
647,278 | Our nation's air: Status and trends through 2008 | null | 2,010 | null | 1 |
102,170 | Impact of elevated levels of atmospheric CO2 and herbivory on flavonoids of soybean (Glycine max Linnaeus) | O'Neill, BF; Zangerl, AR; Dermody, O; Bilgin, DD; Casteel, CL; Zavala, JA; Delucia, EH; Berenbaum, MR | 2,010 | Atmospheric levels of carbon dioxide (CO2) have been increasing steadily over the last century. Plants grown under elevated CO2 conditions experience physiological changes, particularly in phytochemical content, that can influence their suitability as food for insects. Flavonoids are important plant defense compounds a... | 1 |
644,263 | How Much Does the Presence of a Competitor Modify the Within-Canopy Distribution of Ozone-Induced Senescence and Visible Injury? | Hayes, F; Mills, G; Ashmore, M | 2,010 | Many natural vegetation species have been shown to be negatively affected by ozone. This study has investigated how the presence of competing species in a community affects two common responses to ozone: visible injury and senescence. Monocultures and mixtures of Trifolium repens and Lolium perenne were grown in large ... | 1 |
644,155 | Correspondence from Dr. Brooks - Re: Clarifications in 2008 J Occup Environ Med article | Brooks, EG | 2,010 | null | 1 |
378,559 | Acute exposure to ozone exacerbates acetaminophen-induced liver injury in mice | Aibo, DI; Birmingham, NP; Lewandowski, R; Maddox, JF; Roth, RA; Ganey, PE; Wagner, JG; Harkema, JR | 2,010 | Ozone (O(3)), an oxidant air pollutant in photochemical smog, principally targets epithelial cells lining the respiratory tract. However, changes in gene expression have also been reported in livers of O(3)-exposed mice. The principal aim of the present study was to determine if acute exposure to environmentally releva... | 1 |
644,303 | Differential gene expression in senescing leaves of two silver birch genotypes in response to elevated CO2 and tropospheric ozone | Kontunen-Soppela, S; Riikonen, J; Ruhanen, H; Brosche, M; Somervuo, P; Peltonen, P; Kangasjarvi, J; Auvinen, P; Paulin, L; Keinanen, M; Oksanen, E; Vapaavuori, E | 2,010 | Long-term effects of elevated CO2 and O-3 concentrations on gene expression in silver birch (Betula pendula Roth) leaves were studied during the end of the growing season. Two birch genotypes, clones 4 and 80, with different ozone growth responses, were exposed to 2x ambient CO2 and/or O-3 in open-top chambers (OTCs). ... | 0 |
783,241 | Responses of the lichen Ramalina menziesii Tayl. to ozone fumigations | Riddell, J; Padgett, PE; Nash, TH III | 2,010 | Tropospheric ozone (O-3) is a strong oxidant, and is known
to have serious negative effects on forest health. Lichens have been used as biomonitors of the
effects of air pollution on forest health for sulfur and nitrogen pollutants. However, effects of
O-3 on lichens are not well understood, as past fumigation st... | 1 |
1,073,960 | Impact of mineral dust on nitrate, sulfate, and ozone in transpacific Asian pollution plumes | Fairlie, TD; Jacob, DJ; Dibb, JE; Alexander, B; Avery, MA; van Donkelaar, A; Zhang, L | 2,010 | We use a 3-D global chemical transport model (GEOS-Chem) to interpret aircraft observations of nitrate and sulfate partitioning in transpacific dust plumes during the INTEX-B campaign of April-May 2006. The model includes explicit transport of size-resolved mineral dust and its alkalinity, nitrate, and sulfate content.... | 0 |
595,104 | Development and performance evaluation of ozone detection paper using azo dye orange I: Effect of pH | Maruo, YY; Akaoka, K; Nakamura, J | 2,010 | A highly sensitive sensing paper that uses the reaction of ozone with azo dye orange I has been developed
for ambient ozone monitoring. This reaction results in reaction products, without absorption in visible
region, on paper that can be determined by measuring the reflectance spectrum of the paper. The combination
of... | 1 |
644,271 | Individual growth rates do not predict aphid population densities under altered atmospheric conditions | Mondor, EB; Awmack, CS; Lindroth, RL | 2,010 | Altered atmospheric composition, associated with climate change, can modify herbivore population dynamics through CO2 and/or O-3-mediated changes in plant quality. Although pea aphid Acyrthosiphon pisum genotypes exhibit intraspecific variation in population growth in response to atmospheric composition, the proximate ... | 1 |
384,492 | Estimates of the association between ozone and asthma hospitalizations that account for behavioral responses to air quality information | Neidell, M; Kinney, PL | 2,010 | Behavioral responses to information about forecasted air quality may introduce systematic measurement error in pollution exposure, leading to biased estimates of the impact of pollution exposure on health. This paper estimates the statistical association between ambient ozone concentrations and asthma hospitalizations ... | 1 |
628,857 | A study of tropospheric ozone column enhancements over North America using satellite data and a global chemical transport model | Yang, Q; Cunnold, DM; Choi, Y; Wang, Y; Nam, J; Wang, HJ; Froidevaux, L; Thompson, AM; Bhartia, PK | 2,010 | Tropospheric ozone columns (TCOs) have been calculated from the differences between the Aura Ozone Monitoring Instrument (OMI) Total Ozone Mapping System (TOMS) total ozone (level 2 version 3) and the Aura Microwave Limb Sounding (MLS) measurements of stratospheric ozone (version 2.2). These OMI-MLS TCOs were compared... | 1 |
644,257 | Elevated ozone changed soil microbial community in a rice paddy | Chen, Z; Wang, XK; Yao, FF; Zheng, FX; Feng, ZZ | 2,010 | Although the environmental impact of ozone (O-3) has been widely investigated, there have been few studies about the effect of O-3 on underground processes, especially soil microbial communities. This study aimed to investigate O-3 effects on the soil microbial community structure and function in a rice paddy field, Ch... | 1 |
647,297 | United States: Poverty by age | null | 2,010 | While they say little about economic ups and downs in the decade between Censuses, income and poverty data provide us with economic "snapshots" of an area at the time of enumeration that can in turn be compared with economic data gathered from earlier Censuses. Poverty status, as measured in this chart, is determined b... | 1 |
380,249 | Air pollution and hospitalization for venous thromboembolic disease in Chile | Dales, RE; Cakmak, S; Vidal, CB | 2,010 | BACKGROUND: Ambient air pollution is a risk factor for stroke and myocardial infarction, possibly because of alterations in coagulation that influence the arterial circulation. Whether air pollution influences diseases associated with peripheral venous thrombogenesis remains largely unknown.
OBJECTIVES: To determine t... | 0 |
831,161 | Effect of water flow velocity on growth and morphology of cultured Undaria pinnatifida sporophytes (Laminariales, Phaeophyceae) in Okirai Bay on the Sanriku coast, Northeast Japan | Nanba, N; Fujiwara, T; Kuwano, K; Ishikawa, Y; Ogawa, H; Kado, R | 2,010 | Undaria pinnatifida sporophytes, originating from the same
strain, were cultured at the commercial cultivation site exposed to wave action and the
uncultivated site protected from water action of Okirai Bay, Northeast Japan, from January to
April 2007; simultaneously, water flow velocity, water temperature, salin... | 0 |
382,064 | Sensory neural responses to ozone exposure during early postnatal development in rat airways | Hunter, DD; Wu, Z; Dey, RD | 2,010 | Airway infections or irritant exposures during early postnatal periods may contribute to the onset of childhood asthma. The purpose of this study was to examine critical periods of postnatal airway development during which ozone (O3) exposure leads to heightened neural responses. Rats were exposed to O3 (2ppm) or filte... | 0 |
644,185 | Effects of genotype, elevated CO2 and elevated O3 on aspen phytochemistry and aspen leaf beetle Chrysomela crotchi performance | Vigue, LM; Lindroth, RL | 2,010 | Trembling aspen Populus tremuloides Michaux is an important forest species in the Great Lakes region and displays tremendous genetic variation in foliar chemistry. Elevated carbon dioxide (CO2) and ozone (O3) may also influence phytochemistry and thereby alter the performance of insect herbivores such as the aspen leaf... | 1 |
783,976 | Exercise-induced bronchoconstriction and asthma | Dryden, DM; Spooner, CH; Stickland, MK; Vandermeer, B; Tjosvold, L; Bialy, L; Wong, K; Rowe, BH | 2,010 | Objectives: The objectives are: (1) To assess diagnostic test characteristics of six alternative index tests compared with the selected reference standard-a standardized exercise challenge test (ECT) in patients with suspected exercise-induced bronchoconstriction or asthma (EIB/EIA); (2) to determine the efficacy of a ... | 1 |
379,448 | Natural variation in ozone sensitivity among Arabidopsis thaliana accessions and its relation to stomatal conductance | Brosche, M; Merilo, E; Mayer, F; Pechter, P; Puzorjova, I; Brader, G; Kangasjarvi, J; Kollist, H | 2,010 | Summary Natural variation among plant populations represents a treasure trove to unravel the molecular mechanisms of plant responses to abiotic stress. Here we show that in Arabidopsis thaliana ozone sensitivity among a large collection of natural accessions was much higher than among previously identified ozone-sensit... | 0 |
385,444 | Modifiers of short-term effects of ozone on mortality in eastern Massachusetts - A case-crossover analysis at individual level | Ren, C; Melly, S; Schwartz, J | 2,010 | ABSTRACT: BACKGROUND: Substantial epidemiological studies demonstrate associations between exposure to ambient ozone and mortality. A few studies simply examine the modification of this ozone effect by individual characteristics and socioeconomic status, but socioeconomic status was usually coded at the city level. MET... | 0 |
677,581 | GEOS?Chem Overview | null | 2,010 | The GEOS?Chem model is a global 3-D model of atmospheric composition driven by assimilated meteorological observations from the Goddard Earth Observing System (GEOS) of the NASA Global Modeling Assimilation Office (GMAO) . It is being developed and used by research groups worldwide as a versatile tool for application ... | 1 |
644,297 | Photosynthetic, biochemical, and ultra-structural changes in the chloroplasts of two ginkgo (Ginkgo biloba L.) cultivars during leaf development | Yang, XS; Chen, GX; Xie, KB; Wei, XD; Zhang, MP; Gao, ZP; Han, B | 2,010 | Changes in chlorophyll fluorescence, leaf biochemistry, and ultra-structure were studied in 10-year-old female ginkgo trees (Ginkgo biloba L.) cvs. Dafozhi and Qixingguo, from April to October in Jiangdu, Jiangsu Province, P. R. China. The maximum quantum efficiency (F-v/F-m) of PS II and the potential photosynthetic c... | 0 |
384,046 | Aphid and episodic O3 injury in arugula plants (Eruca sativa Mill) grown in open-top field chambers | Menendez, AI; Romero, AM; Folcia, AM; Martinez-Ghersa, MA | 2,010 | Aphid attacks and tropospheric ozone (O sub(3)) cause stress and considerable damage in both wild and cultivated plants. Induced defense responses to aphid attacks and O sub(3) exposure share signaling pathways with common points. We investigated the plant-aphid interaction under O sub(3) exposure using open-top O sub(... | 1 |
758,737 | Application of OMI observations to a space-based indicator of NOx and VOC controls on surface ozone formation | Duncan, BN; Yoshida, Y; Olson, JR; Sillman, S; Martin, RV; Lamsal, L; Hu, Y; Pickering, KE; Retscher, C; Allen, DJ | 2,010 | We investigated variations in the relative sensitivity of surface ozone formation in summer to precursor species concentrations of volatile organic compounds (VOCs) and nitrogen oxides (NOx) as inferred from the ratio of the tropospheric columns of formaldehyde to nitrogen dioxide (the ?Ratio?) from the Aura Ozone Moni... | 1 |
385,006 | BVOCs and global change | Penuelas, J; Staudt, M | 2,010 | Biogenic volatile organic compounds (BVOCs) produced by plants are involved in plant growth, reproduction and defense. They are emitted from vegetation into the atmosphere and have significant effects on other organisms and on atmospheric chemistry and physics. Here, we review current knowledge on the alteration of BVO... | 0 |
102,154 | Relative yield loss calculations in wheat (Triticum durum Desf. cv. Camacho) due to ozone exposure | de la Torre, D | 2,010 | In this work, an estimation of the relative yield losses of wheat due to ozone exposure is made by means of two approaches proposed by the CLRTAP (Convention on Long Range Transboundary Air Pollution): the exposure-response approach, which deals with the exposure of plants to ozone during a certain time, and the accumu... | 0 |
379,870 | Regression-based oxides of nitrogen predictors for three diesel engine technologies | Chen, X; Schmid, NA; Wang, L; Clark, NN | 2,010 | Models of diesel engine emissions such as oxides of nitrogen (NO(x)) are valuable when they can predict instantaneous values because they can be incorporated into whole vehicle models, support inventory predictions, and assist in developing superior engine and aftertreatment control strategies. Recent model-year diesel... | 0 |
387,127 | Increase in markers of airway inflammation after ozone exposure can be observed also in stable treated asthmatics with minimal functional response to ozone | Vagaggini, B; Bartoli, MLE; Cianchetti, S; Costa, F; Bacci, E; Dente, FL; Di Franco, A; Malagrino, L; Paggiaro, P | 2,010 | BACKGROUND: The discrepancy between functional and inflammatory airway response to ozone has been reported in normal subjects, but few data are available for stable asthmatics regularly treated with inhaled corticosteroids. METHODS: Twenty-three well controlled, regularly treated, mild-to-moderate asthmatic patients un... | 1 |
696,149 | Radish plant behaviour under short-term elevated ozone fumigation | Sakalauskait?, J; Brazaityt?, A; Urbonavici?t?, A; Samuolien?, G; Sabajevien?, G; Sakalauskien?, S; Duchovskis, P | 2,010 | Effects of short-term ozone (O(3)) fumigation on radish
(Raphanus sativus L.) plants were examined in growth chambers under controlled environment
conditions. Plants were exposed to 0 mu g/m(3) (reference), 80 mu g/m(3), 160 mu g/m(3) and 240
mu g/m(3) O(3) concentrations for 7 h per day for five days. Day/night ... | 0 |
562,911 | Variability of ozone concentration in a montane environment, northern Italy | Gottardini, E; Cristofori, A; Cristofolini, F; Ferretti, M | 2,010 | To evaluate the spatial variability of ozone concentrations, two studies were undertaken in the montane environment of Trentino region, northern Italy, in 2007. In the first study, a 225 km2 area was considered. Here, a randomized design was used to evaluate the variability of ozone concentration at 1 and 225 km2 scale... | 1 |
670,286 | SoyFACE | null | 2,010 | SoyFACE (Soybean Free Air Concentration Enrichment) is an innovative facility for growing crops under production field conditions in an atmosphere that has higher levels of carbon dioxide and ozone, higher temperature and altered soil water availability. SoyFACE was designed to discover the effects of atmospheric chang... | 1 |
596,490 | Plant volatile organic compounds (VOCs) in ozone (O3) polluted atmospheres: The ecological effects | Pinto, DM; Blande, JD; Souza, SR; Nerg, AM; Holopainen, JK | 2,010 | "Tropospheric ozone (O-3) is an important secondary air pollutant formed as a result of photochemical reactions between primary pollutants, such as nitrogen oxides (NOx), and volatile organic compounds (VOCs). O-3 concentrations in the lower atmosphere (troposphere) are predicted to continue increasing as a result of a... | 1 |
677,553 | Transfer standards for calibration of air monitoring analyzers for ozone | null | 2,010 | This Technical Assistance Document defines, specifies, and formalizes the verification of ozone transfer standards for calibrating ambient ozone analyzers. The procedures and guidance in this document provide monitoring agencies additional flexibility and specific benefits in designing and implementing an effective qua... | 1 |
696,734 | Enhanced ozone exposure of European beech (Fagus sylvatica) stimulates nitrogen mobilization from leaf litter and nitrogen accumulation in the soil | Stoelken, G; Pritsch, K; Simon, J; Mueller, CW; Grams, TEE; Esperschuetz, J; Gayler, S; Buegger, F; Brueggemann, N; Meier, R; Zeller, B; Winkler, JB; Rennenberg, H | 2,010 | In a lysimeter study with young beech trees, the effects of elevated ozone concentration on the decomposition and fate of nitrogen in 15N-labeled leaf litter were analyzed after one growing season. Nitrogen in the litter was dominated by a relatively inert, residual fraction, but easily decomposable nitrogen was presen... | 1 |
383,160 | Relationship between ambient ozone concentrations and daily hospital admissions for childhood asthma/atopic dermatitis in two cities of Korea during 2004-2005 | Lee, JT; Cho, YS; Son, JY | 2,010 | The objective of this study was to estimate the association between ambient ozone levels and hospitalization for asthma/atopic dermatitis among children younger than 15 years old living in Seoul and Ulsan, Korea, in the years 2004-2005. Estimated relative risks of hospital admissions associated with an interquartile ra... | 0 |
679,710 | Baseline levels and trends of ground level ozone in Canada and the United States | Chan, E; Vet, RJ | 2,010 | Abstract. A statistical method was developed to extract baseline levels of ground level ozone in Canada and the US, and to quantify the temporal changes of baseline ozone levels on annual, seasonal, diurnal and decadal scales for the period 1997 to 2006 based on ground-level observations from 97 non-urban monitoring si... | 1 |
665,390 | Evaluation of mobile source emission trends in the United States | Dallmann, TR; Harley, RA | 2,010 | A fuel-based approach is used to estimate exhaust emissions of nitrogen oxides (NOx) and fine particulate matter (PM2.5) from mobile sources in the United States for the years 1996?2006. Source categories considered include on-road and off-road gasoline and diesel engines. Pollutant emissions for each mobile source cat... | 1 |
677,546 | GEOS?Chem Model | null | 2,010 | GEOS?Chem is a global 3-D chemical transport model (CTM) for atmospheric composition. It principally uses meteorological input from the Goddard Earth Observing System (GEOS) of the NASA Global Modeling and Assimilation Office, but can use other meteorological inputs as well. It is applied by research groups around the ... | 1 |
647,312 | U.S. population projections | null | 2,010 | null | 1 |
677,544 | The master chemical mechanism | null | 2,010 | The Master Chemical Mechanism (MCM) is a near-explicit chemical mechanism describing the degredation of 135 volatile organic compounds (VOCs) in the troposphere. Originally developed to investigate the production of ozone in the troposphere, the mechanism also aims to provide a RESEARCH TOOL for investigating areas wh... | 1 |
378,580 | The association between childhood asthma prevalence and monitored air pollutants in metropolitan areas, United States, 2001-2004 | Akinbami, LJ; Lynch, CD; Parker, JD; Woodruff, TJ | 2,010 | BACKGROUND: Air pollution exposure has been linked to adverse respiratory health outcomes among children, primarily in studies of acute exposures that are often in limited geographic areas. We sought to assess the association between chronic outdoor air pollution exposure, as measured by 12-month averages by county, an... | 1 |
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