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 |
|---|---|---|---|---|---|
783,787 | Seasonal variations of isoprene emissions from five oak tree species in East Asia | Lim, YJ; Armendariz, A; Son, YS; Kim, JC | 2,011 | Emissions of biogenic volatile organic compounds (BVOC)
from trees can enhance the photochemical production of tropospheric ozone. Isoprene is one of the
most environmentally important BVOCs, since its emission rate from certain tree species can be
high and its chemical structure gives it high ozone forming poten... | 0 |
783,767 | Effects of ozone exposure on sub-tropical evergreen Cinnamomum camphora seedlings grown in different nitrogen loads | Feng, Z; Niu, J; Zhang, W; Wang, X; Yao, F; Tian, Y | 2,011 | The present study aims in investigating the individual and combined effects of ozone (O(3)) exposure and nitrogen (N) load on the growth and photosynthetic characters of Cinnamomum camphora seedlings, a dominant evergreen broadleaf tree species in sub-tropical regions. The seedlings were sulied with N as NH(4)NO(3) sol... | 0 |
696,636 | Evidence of widespread effects of ozone on crops and (semi-)natural vegetation in Europe (1990-2006) in relation to AOT40- and flux-based risk maps | Mills, G; Hayes, F; Simpson, D; Emberson, L; Norris, D; Harmens, H; Buker, P | 2,011 | Records of effects of ambient ozone pollution on vegetation have been compiled for Europe for the years 1990-2006. Sources include scientific papers, conference proceedings, reports to research funders, records of confirmed ozone injury symptoms and an international biomonitoring experiment coordinated by the ICP Veget... | 0 |
677,540 | MOVES (Motor Vehicle Emission Simulator) | null | 2,011 | EPA's Office of Transportation and Air Quality (OTAQ) has developed the MOtor Vehicle Emission Simulator (MOVES). This new emission modeling system estimates emissions for mobile sources covering a broad range of pollutants and allows multiple scale analysis. MOVES currently estimates emissions from cars, trucks & moto... | 1 |
783,782 | Effects of the interaction between ozone and carbon dioxide on gas exchange, photosystem II and antioxidants in rice leaves | Kobayakawa, H; Imai, K | 2,011 | To understand the interactive effects of O(3) and CO(2) on
rice leaves; gas exchange, chlorophyll (Chl) fluorescence, ascorbic acid and glutathione were
examined under acute (5 h), combined exposures of O(3) (0, 0.1, or 0.3 cm(3) m(-3), expressed as
O(0), O(0.1), or O(0.3), respectively), and CO(2) (400 or 800 cm... | 0 |
778,759 | Regional warming from aerosol removal over the United States: Results from a transient 2010-2050 climate simulation | Mickley, LJ; Leibensperger, EM; Jacob, DJ; Rind, D | 2,011 | We use a general circulation model (NASA Goddard Institute for Space Studies GCM 3) to investigate the regional climate response to removal of aerosols over the United States. We perform a pair of transient 2010-2050 climate simulations following a scenario of increasing greenhouse gas concentrations, with and without ... | 0 |
787,138 | Changing climate, atmospheric composition, and radial tree growth in a spruce-fir ecosystem on Grandfather Mountain, North Carolina | Soule, PT | 2,011 | Grandfather Mountain (GFM) in western North Carolina has been an International Biosphere Reserve since 1992 and is recognized for its natural beauty and ecological diversity. Sixteen unique ecosystems occur on GFM, including a high elevation forest dominated by red spruce (Picea rubens Sarg.) and Fraser fir [Abies Fras... | 0 |
783,805 | Adaptation of forest ecosystems to air pollution and climate change: a global assessment on research priorities | Serengil, Y; Augustaitis, A; Bytnerowicz, A; Grulke, N; Kozovitz, A; Matyssek, R; Muller-Starck, G; Schaub, M; Wieser, G; Coskun, A; Paoletti, E | 2,011 | Climate change and air pollution are two of the anthropogenic stressors that require international collaboration. Influence mechanisms and combating strategies towards them have similarities to some extent. Impacts of air pollution and climate change have long been studied under IUFRO Research Group 7.01 and state of t... | 0 |
757,753 | A comparison of errors in variables methods for use in regression models with spatially misaligned data | Lopiano, KK; Young, LJ; Gotway, CA | 2,011 | When a response variable Y is measured on one set of points and a spatially varying predictor variable X is measured on a different set of points, X and Y have different supports and thus are spatially misaligned. To draw inference about the association between X and Y , X is commonly predicted at the points for which ... | 0 |
783,790 | Minor effects of long-term ozone exposure on boreal peatland species Eriophorum vaginatum and Sphagnum papillosum | Morsky, SK; Haapala, JK; Rinnan, R; Saarnio, S; Silvola, J; Martikainen, PJ; Holopainen, T | 2,011 | The effects of long-term ozone fumigation on two common peatland plant species, a sedge Eriophorum vaginatum L. and a moss Sphagnum papillosum Lindb., were studied applying peatland microcosms. The peat cores with intact vegetation were cored from an oligotrophic pine fen and partially embedded into the soil of an open... | 0 |
733,111 | Effect of tropospheric ozone on two white clover (trifolium repens l. cv. 'regal') clones with different ozone sensitivity exposed at rural area of Wielkopolska region | Borowiak, K; Drzewiecka, K; Zbierska, J; Golinski, P; Malicka, M; Andrzejewska, B | 2,011 | In this paper, we present results indicating ozone effect on visible plants response as well as on other parameters, such as dry weight, chlorophyll concentration, cell membrane stability and salicylic acid content in bioindicator plants. Ozone-resistant and -sensitive clones of white clover (Trifolium repens L. cv. "R... | 0 |
783,391 | Global crop yield reductions due to surface ozone exposure: 2. Year 2030 potential crop production losses and economic damage under two scenarios of O3 pollution | Avnery, S; Mauzerall, DL; Liu, J; Horowitz, LW | 2,011 | We examine the potential global risk of increasing surface ozone (O3) exposure to three key staple crops (soybean, maize, and wheat) in the near future (year 2030) according to two trajectories of O3 pollution: the Intergovernmental Panel on Climate Change Special Report on Emissions Scenarios (IPCC SRES) A2 and B1 sto... | 1 |
786,082 | Modeling for North American background concentrations | null | 2,011 | null | 0 |
787,139 | Volatile organic compounds (VOC): The fuel for surface ozone production | Steinbrecher, R | 2,011 | Volatile organic compounds (VOC) are a highly diverse group of chemical compounds with high vapor pressure. VOC contribute in the presence of nitrogen oxides NO and NO2 to photochemical ozone formation in the atmosphere. High ozone levels impact environment and population and require control. A prerequisite of effectiv... | 0 |
783,325 | Changes in atmospheric chemistry and crop health: A review | Bender, J; Weigel, HJ | 2,011 | The concentrations of atmospheric compounds such as greenhouse gases, heavy metals and trace gas air pollutants have rapidly changed. Many of these compounds interact with agricultural systems and influence crop performance, both directly by affecting growth and quality or indirectly by altering the plant?s ability to ... | 1 |
783,764 | Effects of ozone exposure on `Golden? papaya fruit by photoacoustic phase-resolved method: Physiological changes associated with carbon dioxide and ethylene emission rates during ripening | Correa, SF; Mota, L; Paiva, LB; Do Couto, FM; da Silva, MG; de Oliveira, JG; Sthel, MS; Vargas, H; Miklos, A | 2,011 | This work addresses the effects of ozone activity on the physiology of `Golden? papaya fruit. Depth profile analysis of double-layer biological samples was accomplished using the phase-resolved photoacoustic spectroscopy. The feasibility of the method was demonstrated by singling out the spectra of the cuticle and the ... | 0 |
783,779 | A comparison between stomatal ozone uptake and AOT40 of deciduous trees in Japan | Hoshika, Y; Shimizu, Y; Omasa, K | 2,011 | A comparison of the maps of stomatal ozone uptake (AFst0) and concentrations exceeding 40 ppb (AOT40) for dominant temperate deciduous tree species (Quercus serrata, Fagus crenata, Betula ermanii) was conducted in Japan. Estimations of stomatal ozone uptake were accomplished using estimated ozone concentration, climate... | 0 |
677,541 | Atmospheric, meteorological, and environmental technologies | null | 2,011 | ATMET provides consulting, support, and application production for a wide range of environmental applications with a focus on state-of-the-art meteorological and dispersion computer modeling for operational forecasting and historical events. | 1 |
669,874 | Association between maternal exposure to ambient air pollution and congenital heart disease: A register-based spatiotemporal analysis | Dadvand, P; Rankin, J; Rushton, S; Pless-Mulloli, T | 2,011 | Recent studies have linked maternal exposure to air pollution with a range of adverse pregnancy outcomes. However, the available evidence linking this exposure to congenital anomalies is still limited and controversial. The present case-control study tested the hypothesis that maternal exposure to ambient black smoke a... | 0 |
783,791 | Implications of climate change for diseases, crop yields and food security | Newton, AC; Johnson, SN; Gregory, PJ | 2,011 | Accelerated climate change affects components of complex biological interactions differentially, often causing changes that are difficult to predict. Crop yield and quality are affected by climate change directly, and indirectly, through diseases that themselves will change but remain important. These effects are diffi... | 0 |
783,783 | Volatile organic compound emissions from green waste composting: Characterization and ozone formation | Kumar, A; Alaimo, CP; Horowitz, R; Mitloehner, FM; Kleeman, MJ; Green, PG | 2,011 | Composting of green waste separated from the disposed solid waste stream reduces biodegradable inputs into landfills, and contributes valuable soil amendments to agriculture. Agencies in regions with severe air quality challenges, such as California's San Joaquin Valley (SJV), have raised concerns about gases emitted d... | 0 |
2,096,583 | Development and evaluation of an Earth-System model-HadGEM2 | Collins, WJ; Bellouin, N; Doutriaux-Boucher, M; Gedney, N; Halloran, P; Hinton, T; Hughes, J; Jones, CD; Joshi, M; Liddicoat, S; Martin, G; O'Connor, F; Rae, J; Senior, C; Sitch, S; Totterdell, I; Wiltshire, A; Woodward, S | 2,011 | We describe here the development and evaluation of an Earth system model suitable for centennial-scale climate prediction. The principal new components added to the physical climate model are the terrestrial and ocean ecosystems and gas-phase tropospheric chemistry, along with their coupled interactions.
<br>
<br>The i... | 0 |
783,807 | Comparing monoterpenoid emissions and net photosynthesis of beech (Fagus sylvatica L.) in controlled and natural conditions | Simpraga, M; Verbeeck, H; Demarcke, M; Joo, E; Amelynck, C; Schoon, N; Dewulf, J; Van Langenhove, H; Heinesch, B; Aubinet, M; Muller, JF; Steppe, K | 2,011 | Although biogenic volatile organic compounds (BVOCs) only represent a very limited fraction of the plant's carbon (C) budget, they play an important role in atmospheric chemistry for example as a precursor of tropospheric ozone. We performed a study comparing BVOC emissions of European beech (Fagus sylvatica L) in cont... | 0 |
733,106 | Ozone dose?response relationships for spring oilseed rape and broccoli | De Bock, M; Op de beeck, M; De Temmerman, L; Guisez, Y; Ceulemans, R; Vandermeiren, K | 2,011 | Tropospheric ozone is an important air pollutant with known detrimental effects for several crops. Ozone effects on seed yield, oil percentage, oil yield and 1000 seed weight were examined for spring oilseed rape (Brassica napus cv. Ability). For broccoli (Brassica oleracea L. cv. Italica cv. Monaco) the effects on fre... | 0 |
808,973 | Lead and Sulfur Isotopic Ratios in Precipitation and their Relations to Trans-Boundary Atmospheric Pollution | Toshiaki, M; Zhang, J; Hiroshi, S; Hitoshi, M; Kentaro, M; Kiyoto, K | 2,011 | We measured the lead (Pb) and sulfur (S) isotopic ratios in precipitation collected in Toyama Prefecture, Japan, to investigate their characteristics as tracers for trans-boundary air pollution. The Pb concentrations and isotopic ratios were measured by Inductively Coupled Plasma Mass Spectrometry (ICP-MS). A relativel... | 0 |
783,823 | Evaluating the calculated dry deposition velocities of reactive nitrogen oxides and ozone from two community models over a temperate deciduous forest | Wu, Z; Wang, X; Chen, F; Turnipseed, AA; Guenther, AB; Niyogi, D; Charusombat, U; Xia, B; William munger, J; Alapaty, K | 2,011 | Hourly measurements of O(3), NO, NO(2), PAN, HNO(3) and NO(y) concentrations, and eddy-covariance fluxes of O(3) and NO(y) over a temperate deciduous forest from June to November, 2000 were used to evaluate the dry deposition velocities (V(d)) estimated by the WRF-Chem dry deposition module (WDDM), which adopted Wesely... | 0 |
814,941 | Impacts of future climate change and effects of biogenic emissions on surface ozone and particulate matter concentrations in the United States | Lam, YF; Fu, JS; Wu, S; Mickley, LJ | 2,011 | Simulations of present and future average regional ozone and PM2.5 concentrations over the United States were performed to investigate the potential impacts of global climate change and emissions on regional air quality using CMAQ. Various emissions and climate conditions with different biogenic emissions and domain re... | 0 |
785,526 | Overview of GMAO met data products | null | 2,011 | On this page we shall list the features of the various meteorological data products produced by NASA's Global Modeling and Assimilation Office. These products are used to drive GEOS-Chem. | 0 |
689,684 | Differences in ozone sensitivity at different NPK levels of three tropical varieties of mustard (Brassica campestris L.): Photosynthetic pigments, metabolites, and antioxidants | Singh, P; Agrawal, M; Agrawal, SB | 2,011 | The effects of ambient O3 at two different levels of nitrogen, phosphorus, and potassium, (recommended and 1.5 times the recommended NPK) on three tropical varieties of mustard (Brassica campestris L. var. Kranti, Aashirwad and Vardan) were explored to unravel the mechanism of protection under higher NPK level at a rur... | 0 |
779,871 | Exposure model for individuals | null | 2,011 | The Clean Air Act requires EPA to set National Ambient Air Quality Standards (NAAQS) for pollutants considered harmful to public health (primary standards), including the health of 'sensitive' populations such as asthmatics and children. According to the Clean Air Act, the primary standards for the six principal pollut... | 1 |
783,815 | Low-level atmospheric ozone exposure induces protection against Botrytis cinerea with down-regulation of ethylene-, jasmonate- and pathogenesis-related genes in tomato fruit | Tzortzakis, N; Taybi, T; Roberts, R; Singleton, I; Borland, A; Barnes, J | 2,011 | The aim of this study was to determine if ozone exposure
could prevent spoilage in tomato fruit by fungal infection and to explore concomitant changes in
expression of genes involved in signal transduction (ethylene, jasmonic acid and C(6)-aldehydes)
and defence-related (chitinases, glucanases and defensin) pathw... | 0 |
758,863 | Relationship of indoor and outdoor air pollutants in a naturally ventilated historical building envelope | Lopez-Aparicio, S; Smolik, J; Maskova, L; Souckova, M; Gr?ntoft, T; Ondrackova, L; Stankiewicz, J | 2,011 | Concentrations of NO2, O3, SO2, acetic and formic acids, HNO3 and NH3 were measured inside and outside a historical building, the Baroque Library Hall (BLH) in the National Library in Prague (Czech Republic). The naturally ventilated system of the building, the restriction of personnel access, reduced groups of visitor... | 1 |
720,165 | Minimal response in watershed nitrate export to severe soil frost raises questions about nutrient dynamics in the Hubbard Brook experimental forest | Judd, KE; Likens, GE; Buso, DC; Bailey, AS | 2,011 | Experimental and theoretical work emphasize the role of plant nutrient uptake in regulating ecosystem nutrient losses and predict that forest succession, ecosystem disturbance, and continued inputs of atmospheric nitrogen (N) will increase watershed N export. In ecosystems where snowpack insulates soils, soil-frost dis... | 0 |
758,733 | Stratosphere-troposphere exchange ozone flux related to deep convection | Tang, Q; Prather, MJ; Hsu, J | 2,011 | We study the mechanisms driving stratosphere-troposphere exchange of ozone fluxes within a chemistry-transport model. For years 2004?2006, year-round, most of the stratosphere-to-troposphere flux of O 3 is associated with shear and folding around the subtropical jet, and this jet-related flux peaks for the northern hem... | 1 |
783,784 | Isoprene and monoterpene emissions from a mixed temperate forest | Laffineur, Q; Aubinet, M; Schoon, N; Amelynck, C; Muller, JF; Dewulf, J; Van Langenhove, H; Steppe, K; Simpraga, M; Heinesch, B | 2,011 | We measured the isoprene and monoterpene fluxes continuously above a mixed forest site at Vielsalm in the eastern part of Belgium, using the disjunct eddy covariance technique with proton transfer reaction-mass spectrometry. Simultaneously, we also measured the carbon dioxide fluxes in order to deduce the gross primary... | 0 |
783,758 | Long-term monitoring of air pollution effects on selected forest ecosystems in the Bucegi-Piatra Craiului and Retezat Mountains, southern Carpathians (Romania) | Badea, O; Neagu, S; Bytnerowicz, A; Silaghi, D; Barbu, I; Iacoban, C; Popescu, F; Andrei, M; Preda, E; Iacob, C; Dumitru, I; Iuncu, H; Vezeanu, C; Huber, V | 2,011 | The monitoring studies carried out in the southern Romanian Carpathians (Retezat and Bucegi - Piatra Craiului Mts) provide a scientific support for long term ecosystem research (LTER). Their general objective is to characterize the air pollution and its potential effects upon forest ecosystems? status and biodiversity ... | 0 |
733,095 | Assessment of the variability in response of radish and brinjal at biochemical and physiological levels under similar ozone exposure conditions | Tiwari, S; Agrawal, M | 2,011 | The present investigation was done to evaluate the effects of ambient air pollutants on physiological and biochemical characteristics of radish (Raphnus sativa L. var. Pusa Reshmi) and brinjal (Solanum melongena L. var. Pusa hybrid-6) plants grown in open-top chambers with filtered (FCs) and non-filtered (NFCs) treatme... | 0 |
783,765 | Constraints in the identification and interpretation of ozone as a significant predictor of effects on the supersensitive indicator Nicotiana tabacum Bel-W3 in biomonitoring studies | Cristofolini, F; Cristofori, A; Gottardini, E; Maccherini, S; Ferretti, M | 2,011 | Biomonitoring by means of the supersensitive cultivar
Nicotiana tabacum Bel-W3 is frequently used to obtain information on ozone effects on plants and
estimates of ozone exposure. However, most of biomonitoring surveys do not account for other
environmental variables (predictors in a statistical model) and their ... | 0 |
783,822 | Status and future of the forest health indicators program of the USA | Woodall, CW; Amacher, MC; Bechtold, WA; Coulston, JW; Jovan, S; Perry, CH; Randolph, KC; Schulz, BK; Smith, GC; Tkacz, B; Will-Wolf, S | 2,011 | For two decades, the US Department of Agriculture, Forest Service, has been charged with implementing a nationwide field-based forest health monitoring effort. Given its extensive nature, the monitoring program has been gradually implemented across forest health indicators and inventoried states. Currently, the Forest ... | 0 |
831,330 | Rapid recovery of the intertidal seagrass Zostera japonica following intense Manila clam (Ruditapes philippinarum) harvesting activity in Korea | Park, , SR; Kim, YK; Kim, JH; Kang, CK; Lee, KS | 2,011 | Although the Manila clam (Ruditapes philippinarum) culture grounds are occasionally located in Zostera japonica beds along the coasts of Korea, plant responses to the clamming activity have not been reported for this seagrass species. Intense Manila clam harvesting activity took place in the intertidal Z. japonica bed ... | 0 |
667,773 | Effect of PM10 and O3 on infant mortality among residents in the Mexico City Metropolitan Area: A case-crossover analysis, 1997?2005 | Carbajal-Arroyo, L; Miranda-Soberanis, V; Medina-Ramon, M; Rojas-Bracho, L; Tzintzun, G; Solis-Gutierrez, P; Mendez-Ramirez, I; Hurtado-Diaz, M; Schwartz, J; Romieu, I | 2,011 | INTRODUCTION: Consistent evidence has shown a positive association between air pollution and daily mortality among adults. Less is known about its effect on infant mortality and the modification of this association by socioeconomic status (SES).
OBJECTIVE: To assess the association of particulate matter with an aerody... | 1 |
687,660 | Genetic variation in the glutathione synthesis pathway, air pollution, and children's lung function growth | Breton, CV; Salam, MT; Vora, H; Gauderman, WJ; Gilliland, FD | 2,011 | RATIONALE: Glutathione plays an important role in antioxidant and inflammatory processes in the lung. Alterations in glutathione metabolism are a central feature of several chronic lung diseases. OBJECTIVES: To determine whether sequence variation in genes in the glutathione synthesis pathway alters susceptibility to a... | 1 |
783,770 | Evaluation of ozone for preventing fungal influenced corrosion of reinforced concrete bridges over the River Nile, Egypt | Geweely, NS | 2,011 | Fungal influenced corrosion (FIC) of some corroded sites in three selected bridges [Embaba bridge (E-bridge), Kasr al-Nile-bridge (K-bridge) and University bridge (U-bridge)] located over the River Nile in Egypt were investigated. Six fungal species, belong to 12 fungal genera, were isolated from the corroded reinforce... | 0 |
783,768 | Negative effects of tropospheric ozone on the feed value of rice straw are mitigated by an ozone tolerance QTL | Frei, M; Kohno, Y; Wissuwa, M; Makkar, HPS; Becker, K | 2,011 | High surface ozone concentrations are recognized as an emerging threat to food security in Asia. This study aimed at determining the effects of ozone on the nutritive quality of rice straw, a by-product of rice grain production and a major feed resource for ruminant livestock. Further, the question was addressed whethe... | 0 |
670,846 | Long-term air pollution exposure and risk factors for cardiovascular diseases among the elderly in Taiwan | Chuang, KJ; Yan, YH; Chiu, SY; Cheng, TJ | 2,011 | Objectives: To investigate changes in blood pressure, blood lipids, blood sugar and haematological markers of inflammation associated with changes in long-term exposure to ambient air pollutants.
Methods: We conducted secondary analyses of data on blood pressure and blood biochemistry markers from the Social Environm... | 1 |
785,525 | Appendix 9: GEOS-Chem version history | null | 2,011 | null | 0 |
785,021 | Biogenic emissions from Citrus species in California | Fares, S; Gentner, DR; Park, JH; Ormeno, E; Karlik, J; Goldstein, AH | 2,011 | Biogenic Volatile Organic Compounds (BVOC) emitted from plants are the dominant source of reduced carbon chemicals to the atmosphere and are important precursors to the photochemical production of ozone and secondary organic aerosols. Considering the extensive land used for agriculture, cultivated Citrus plantations ma... | 1 |
783,775 | Long-term effects of ozone on CO2 exchange in peatland microcosms | Haapala, JK; Morsky, SK; Rinnan, R; Saarnio, S; Martikanen, PJ; Holopainen, T; Silvola, J | 2,011 | Effects of elevated tropospheric ozone concentration on the CO2 exchange of peatland microcosms and the photosynthetic capacity of the dominating sedge, Eriophorum vaginatum, were studied in a four-year open-field experiment. The net ecosystem CO2 exchange and the dark respiration rate of the microcosms were measured w... | 0 |
783,777 | Changes in forest soil organic matter pools after a decade of elevated CO2 and O3 | Hofmockel, KS; Zak, DR; Moran, KK; Jastrow, JD | 2,011 | The impact of rising atmospheric carbon dioxide (CO2) may be mitigated, in part, by enhanced rates of net primary production and greater C storage in plant biomass and soil organic matter (SOM). However, C sequestration in forest soils may be offset by other environmental changes such as increasing tropospheric ozone (... | 0 |
689,127 | Differential responses in two varieties of winter wheat to elevated ozone concentration under fully open-air field conditions | Feng, Z; Pang, J; Kobayashi, K; Zhu, J; Ort, DR | 2,011 | Two modern cultivars [Yangmai16 (Y16) and Yangfumai 2 (Y2)]
of winter wheat (Triticum aestivum L.) with almost identical phenology were investigated to
determine the impacts of elevated ozone concentration (E-O(3)) on physiological characters
related to photosynthesis under fully open-air field conditions in Chin... | 0 |
735,954 | Influence of atmospheric and climatic change on plant-pathogen interactions | Eastburn, DM; Mcelrone, AJ; Bilgin, DD | 2,011 | Atmospheric change studies conducted in free air concentration enrichment (FACE) systems and open-topped chambers have increased understanding of how factors, such as rising CO2 and O3 levels, impact the development of plant disease epidemics. Using these systems, plant scientists have been able to study host/pathogen ... | 0 |
779,442 | Email from Dr. Akinbami to Dr. Kotchmar regarding data associated with 2010 paper in Environmental Research | Akinbami, L | 2,011 | null | 0 |
778,747 | Future changes in tropospheric ozone under Representative Concentration Pathways (RCPs) | Kawase, H; Nagashima, T; Sudo, K; Nozawa, T | 2,011 | We consider future changes in tropospheric ozone based on the Representative Concentration Pathways (RCPs), which are new emission and concentration scenarios for the 5th coupled model intercomparison project. In contrast to the SRES scenarios, all the RCP scenarios assume an emission reduction of NO x by the late 21st... | 0 |
785,537 | Scale factors for anthropogenic emissions | null | 2,011 | This page describes the methodology of the interannual scaling factors used for anthropogenic emissions in GEOS-Chem. | 0 |
783,800 | Ascorbic acid contents in transgenic potato plants overexpressing two dehydroascorbate reductase genes | Qin, A; Shi, Q; Yu, X | 2,011 | Ascorbic acid (AsA, vitamin C) is one of the most important nutritional quality factors in many horticultural crops and has many biological activities in the human body. Dehydroascorbate reductase (EC 1.8.5.1; DHAR) plays an important role in maintaining the normal level of ascorbic acid (AsA) by recycling oxidized asc... | 0 |
689,683 | 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 Benjamin, S; Pe?uelas, J; Gerant, D; Quejido, A | 2,011 | We present here the effects of ambient ozone (O(3))-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... | 0 |
783,781 | Effect of ozone exposure on polyamines in Scots pine trees | Jokela, A; Sarjala, T; Manninen, S; Huttunen, S | 2,011 | Effects of ozone exposure on polyamines in Pinus sylvestris L. were studied in a long-term experiment. Ten- to 15-year-old Scots pines were exposed to target ozone levels which began at ambient + 40 ppb in May, decreasing to ambient air only by September for 3 growing seasons. The amount of ozone applied followed the n... | 0 |
783,809 | Ozone deposition onto bare soil: A new parameterisation | Stella, P; Loubet, B; Lamaud, E; Laville, P; Cellier, P | 2,011 | The variables controlling ozone deposition onto bare soil are still unknown and it is necessary to understand this pathway well, as it represents a significant sink for ozone. Eddy-covariance measurements of ozone (O(3)) fluxes were performed over bare soils in agricultural land. Three datasets with contrasted meteorol... | 0 |
783,323 | Fungal community composition and function after long-term exposure of northern forests to elevated atmospheric CO2 and tropospheric O3 | Edwards, IP; Zak, DR | 2,011 | The long-term effects of rising atmospheric carbon dioxide (CO2) and tropospheric O3 concentrations on fungal communities in soil are not well understood. Here, we examine fungal community composition and the activities of cellobiohydrolase and N-acetylglucosaminidase (NAG) after 10 years of exposure to 1.5 times ambie... | 1 |
758,861 | Assessment of long-term exposure to air pollution in a longitudinal national health survey | Guay, M; Stieb, DM; Smith-Doiron, M | 2,011 | Self-reported data on the municipality of residence were used to assess long-term exposure to outdoor air pollution from 1980 to 2002 in the longitudinal Canadian National Population Health Survey. Exposure to carbon monoxide, nitrogen dioxide, ozone, sulfur dioxide, and particulate matter was determined using data obt... | 1 |
699,875 | Exhaled nitric oxide, susceptibility and new-onset asthma in the Children's Health Study | Bastain, T; Islam, T; Berhane, K; McConnell, R; Rappaport, E; Salam, M; Linn, W; Avol, E; Zhang, Y; Gilliland, F | 2,011 | A substantial body of evidence suggests an aetiological role of inflammation, and oxidative and nitrosative stress in asthma pathogenesis. Exhaled nitric oxide fraction (F(eNO)) may provide a noninvasive marker of oxidative and nitrosative stress, and aspects of airway inflammation. We examined whether children with el... | 0 |
785,536 | Anthropogenic emissions | null | 2,011 | On this page we list information about the various anthropogenic emissions inventories available for use w/ GEOS-Chem v8-02-03 and higher versions. | 0 |
783,328 | Global crop yield reductions due to surface ozone exposure: 1. Year 2000 crop production losses and economic damage | Avnery, S; Mauzerall, DL; Liu, J; Horowitz, LW | 2,011 | Exposure to elevated concentrations of surface ozone (O3) causes substantial reductions in the agricultural yields of many crops. As emissions of O3 precursors rise in many parts of the world over the next few decades, yield reductions from O3 exposure appear likely to increase the challenges of feeding a global popula... | 1 |
787,137 | [Enhanced ozone strongly reduces the carbon sink strength of adult beech - resume from the free-air fumigation study at Kranzberg Forest] | Matyssek, R | 2,011 | Ground-level ozone (O-3) has gained awareness as an agent of climate change. In this respect, key results are comprehended from a unique 8-year free-air O-3 fumigation experiment, conducted on adult beech (Fagus sylvatica) at Kranzberg Forest, Germany. A novel canopy O-3 exposure methodology was employed that allowed w... | 0 |
783,769 | Carbonaceous aerosol characteristics over a Pinus taeda plantation: Results from the CELTIC experiment | Geron, C | 2,011 | Carbonaceous particles smaller than 2.5 mu m aerodynamic diameter (PM(2.5)) were collected in July, 2003 over a Loblolly Pine plantation at Duke Forest, NC during the Chemical Emission, Loss, Transformation and Interactions within Canopies (CELTIC) field study. Organic (OC) and elemental (EC) carbon in PM(2.5) ranged f... | 0 |
783,757 | Impact of tropospheric ozone on the Euro-Mediterranean vegetation | Anav, A; Menut, L; Khvorostyanov, D; Viovy, N | 2,011 | The impact of ozone (O3) on European vegetation is largely under-investigated, despite huge areas of Europe are exposed to high O3 levels and which are expected to increase in the next future. We studied the potential effects of O3 on photosynthesis and leaf area index (LAI) as well as the feedback between vegetation a... | 0 |
733,101 | PSII photochemistry and carboxylation efficiency in Liriodendron tulipifera under ozone exposure | Pellegrini, E; Francini, A; Lorenzini, G; Nali, C | 2,011 | Liriodendron tulipifera is an important forest plant which is commonly used in urban environments as a shade tree. Young plants have been exposed (under controlled conditions) to 120 ppb of O3 for 45 consecutive days (5 h d?1). The aim of this investigation was to clarify if O3 limits the physiological performance of L... | 0 |
783,973 | IQR data used in Cakmak et al. 2011 (Environmental Research) | Dales, R | 2,011 | null | 0 |
783,324 | Effects of elevated ozone concentration on methane emission from a rice paddy in Yangtze River Delta, China | Zheng, F; Wang, X; Lu, F; Hou, P; Zhang, W; Duan, X; Zhou, X; Ai, Y; Zheng, H; Ouyang, Z; Feng, Z | 2,011 | Few investigations have been made on the impact of elevated ozone (O3) concentration on methane (CH4) emission from rice paddies. Using open-top chambers in situ with different O3 treatments, CH4 emissions were measured in a rice paddy in Yangtze River Delta, China in 2007 and 2008. There were four treatments applied: ... | 1 |
733,108 | Effects of ozone exposure on growth and photosynthesis of the seedlings of Liriodendron chinense (Hemsl.) Sarg, a native tree species of subtropical China | Zhang, WW; Niu, JF; Wang, XK; Tian, Y; Yao, FF; Feng, ZZ | 2,011 | Little is known about the response of trees to elevated ozone (O3) in the subtropical region of China, where ambient O3 concentrations are high enough to damage plants. In this study, pigment content, gas exchange and chlorophyll (Chl) a fluorescence in leaves of Liriodendron chinense (Hemsl.) Sarg seedlings, a deciduo... | 0 |
749,264 | Inhibition of p38 MAPK-dependent bronchial contraction after ozone by corticosteroids | Li, F; Zhang, M; Hussain, F; Triantaphyllopoulos, K; Clark, AR; Bhavsar, PK; Zhou, X; Chung, KF | 2,011 | We determined the role of p38 mitogen-activated protein kinase (MAPK) in the increased airway smooth muscle (ASM) contractile responses following ozone and modulation by corticosteroids. Mice were exposed to air or ozone (3 ppm for 3 h) and isometric contractile responses of bronchial rings to acetylcholine (ACh) were ... | 0 |
786,078 | Pollution, health, and avoidance behavior: Evidence from the ports of Los Angeles | Moretti, E; Neidell, M | 2,011 | null | 0 |
749,708 | Modeling natural emissions in the Community Multiscale Air Quality (CMAQ) model ? Part 2: Modifications for simulating natural emissions | Mueller, SF; Mao, Q; Mallard, JW | 2,011 | The Community Multiscale Air Quality (CMAQ) model version 4.6 has been revised with regard to the representation of chlorine (HCl, ClNO2) and sulfur (dimethylsulfide, or DMS, and H2S), and evaluated against observations and earlier published models. Chemistry parameterizations were based on published reaction kinetic d... | 0 |
783,813 | Modelling ozone deposition fluxes: The relative roles of deposition and detoxification processes | Tuzet, A; Perrier, A; Loubet, B; Cellier, P | 2,011 | A new Model of Ozone Deposition and Detoxification (MODD) is presented. This model describes stomatal ozone uptake and deposition on external plant surfaces and soil; it accounts for diurnal variability of detoxification processes and reactive ozone uptake on cuticular waxes and soil surface. The mechanistic modelling ... | 0 |
787,140 | Exploring the hidden threat of gaseous Pollutants using rice (Oryza sativa l.) Plants in Pakistan | Wahid, A; Ahmad, SS; Butt, ZA; Ahmad, M | 2,011 | Three rice (Oryza sativa L.) varieties (Basmati-Pak, Basmati-370 and IRRI-9) of Pakistan were grown for their entire life cycle in open top field chambers to investigate the impacts of ambient ozone (O-3), nitrogen dioxide (NO2), and sulphur dioxide (SO2) on the biomass, growth physiology, and yield. The treatments wer... | 0 |
749,432 | Long-range ozone transport and its impact on respiratory and cardiovascular health in the north of Portugal | Azevedo, JM; Goncalves, FL; de Fatima Andrade, M | 2,011 | Ozone dynamics depend on meteorological characteristics such as wind, radiation, sunshine, air temperature and precipitation. The aim of this study was to determine ozone trajectories along the northern coast of Portugal during the summer months of 2005, when there was a spate of forest fires in the region, evaluating ... | 1 |
699,135 | The risk of dying on days of higher air pollution among the socially disadvantaged elderly | Cakmak, S; Dales, RE; Rubio, MA; Vidal, CB | 2,011 | RATIONALE: The estimated mortality rate associated with ambient air pollution based on general population studies may not be applicable to certain subgroups. OBJECTIVE: The objective of the present study was to determine the influence of age, education, employment status and income on the risk of mortality associated w... | 1 |
699,968 | Ambient air pollution and congenital heart disease: A register-based study | Dadvand, P; Rankin, J; Rushton, S; Pless-Mulloli, T | 2,011 | Maternal exposure to ambient air pollution has increasingly been linked to adverse pregnancy outcomes. The evidence linking this exposure to congenital anomalies is still limited and controversial. This case-control study investigated the association between maternal exposure to ambient particulate matter with aerodyna... | 1 |
749,398 | [Innervation of the airways in asthma bronchiale and chronic obstructive pulmonary disease (COPD)] | Dinh, QT; Suhling, H; Fischer, A; Braun, A; Welte, T | 2,011 | Airway nerves have the capacity to control airway functions via neuronal reflexes and through neuromediators and neuropeptides. Neuronal mechanisms are known to play a key role in the initiation and modulation of airway hyperresponsiveness and inflammation. Therefore, the nerve fibres may contribute to airway narrowing... | 0 |
749,262 | Oxidative Stress-induced Antibodies to Carbonyl-modified Protein Correlate with Severity of COPD | Kirkham, PA; Caramori, G; Casolari, P; Papi, A; Edwards, M; Shamji, B; Triantaphyllopoulos, K; Hussain, F; Pinart, M; Khan, Y; Heinemann, L; Stevens, L; Yeadon, M; Barnes, PJ; Chung, KF; Adcock, IM | 2,011 | RATIONALE: There is increasing evidence for the presence of autoantibodies in COPD. Chronic oxidative stress is an essential component in COPD pathogenesis and can lead to increased levels of highly reactive carbonyls in the lung which could result in the formation of highly immunogenic carbonyl adducts on 'self' prote... | 0 |
757,779 | Fluctuation analysis-based risk assessment for respiratory virus activity and air pollution associated asthma incidence | Liao, CM; Hsieh, NH; Chio, CP | 2,011 | Asthma is a growing epidemic worldwide. Exacerbations of asthma have been associated with bacterial and viral respiratory tract infections and air pollution. We correlated the asthma admission rates with fluctuations in respiratory virus activity and traffic-related air pollution, namely particulate matter with an aero... | 0 |
786,573 | Traffic-related air pollution and acute changes in heart rate variability and respiratory function in urban cyclists | Weichenthal, S; Kulka, R; Dubeau, A; Martin, C; Wang, D; Dales, R | 2,011 | Background: Few studies have examined the acute health effects of air pollution exposures experienced while cycling in traffic. Objectives: A cross-over study was conducted to examine the relationship between traffic pollution and acute changes in heart rate variability (HRV). Spirometry and exhaled NO measures were al... | 0 |
749,416 | The role of oxidative stress and innate immunity in O3 and endotoxin-induced human allergic airway disease | Peden, DB | 2,011 | Summary:? Ozone (O(3) ) and endotoxin are common environmental contaminants that cause asthma exacerbation. These pollutants have similar phenotype response characteristics, including induction of neutrophilic inflammation, changes in airway macrophage immunophenotypes, and ability to enhance response to inhaled allerg... | 1 |
749,251 | [RETRACTED] The role of the extracellular matrix protein mindin in airway response to environmental airways injury | Frush, S; Li, Z; Potts, EN; Du, W; Eu, JP; Garantziotis, S; He, YW; Foster, WM; Hollingsworth, JW | 2,011 | Background: Our previous work demonstrated that the extracellular matrix protein mindin contributes to allergic airways disease. However, the role of mindin in non-allergic airways disease has not previously been explored. Objectives: We hypothesized that mindin would contribute to airways disease after inhalation of e... | 0 |
749,261 | Increased transforming growth factor beta 1 expression mediates ozone-induced airway fibrosis in mice | Katre, A; Ballinger, C; Akhter, H; Fanucchi, M; Kim, DK; Postlethwait, E; Liu, RM | 2,011 | Ozone (O(3)), a commonly encountered environmental pollutant, has been shown to induce pulmonary fibrosis in different animal models; the underlying mechanism, however, remains elusive. To investigate the molecular mechanism underlying O(3)-induced pulmonary fibrosis, 6- to 8-week-old C57BL/6 male mice were exposed to ... | 1 |
757,786 | Impact of heat and pollution on oxidative stress and CC16 secretion after 8 km run | Gomes, EC; Stone, V; Florida-James, G | 2,011 | To investigate the acute effect of a hot, humid and ozone-polluted (O(3)) environment on lung inflammation and oxidative tress of runners performing 8 km time trial run. Using a single-blinded randomized design, 10 male athletes (mean[Formula: see text]= 64.4 mlO(2) kg(-1) min(-1), SD = 4.4) took part in a time trial r... | 0 |
749,417 | Laboratory evaluation of a prototype photochemical chamber designed to investigate the health effects of fresh and aged vehicular exhaust emissions | Papapostolou, V; Lawrence, JE; Diaz, EA; Wolfson, JM; Ferguson, ST; Long, MS; Godleski, JJ; Koutrakis, P | 2,011 | Laboratory experiments simulating atmospheric aging of motor vehicle exhaust emissions were conducted using a single vehicle and a photochemical chamber. A compact automobile was used as a source of emissions. The vehicle exhaust was diluted with ambient air to achieve carbon monoxide (CO) concentrations similar to tho... | 0 |
757,776 | Respiratory health symptoms among students exposed to different levels of air pollution in a Turkish city | Gul, H; Gaga, EO; Do?ero?lu, T; Ozden, O; Ayvaz, O; Ozel, S; Gungor, G | 2,011 | In this study, we aimed to investigate the frequency of respiratory health symptoms among high school students attending schools at industrial, urban and rural areas in a Turkish city. Three schools located in different zones of the city having different pollution characteristics were chosen based on the pollutant dist... | 1 |
783,954 | Impact of exposure measurement error in air pollution epidemiology: Effect of error type in time-series studies | Goldman, GT; Mulholland, JA; Russell, AG; Strickland, MJ; Klein, M; Waller, LA; Tolbert, PE | 2,011 | Background: Two distinctly different types of measurement error are Berkson and classical. Impacts of measurement error in epidemiologic studies of ambient air pollution are expected to depend on error type. We characterize measurement error due to instrument imprecision and spatial variability as multiplicative (i.e. ... | 1 |
757,778 | Pulmonary function, bronchial reactivity, and epithelial permeability are response phenotypes to ozone and develop differentially in healthy humans | Que, LG; Stiles, JV; Sundy, JS; Foster, WM | 2,011 | Effect of laboratory exposure to O(3) (220 ppb) and filtered air (FA) on respiratory physiology were evaluated at 2 time-points (acute and 1 day post-exposure) in healthy cohort (n=138, 18-35 yr, 40% women) comprised mainly of Caucasian (60%) and African American (33.3%) subjects. Randomized exposures had a cross-over ... | 1 |
782,801 | Ozone and survival in four cohorts with potentially predisposing diseases | Zanobetti, A; Schwartz, J | 2,011 | RATIONALE: Time series studies have reported associations between ozone and daily deaths. Only one cohort study has reported the effect of long-term exposures on deaths, and little is known about effects of chronic ozone exposure on survival in susceptible populations. OBJECTIVE: We investigated whether ozone was assoc... | 1 |
757,777 | Modification by antioxidant supplementation of changes in human lung function associated with air pollutant exposure: A systematic review | Tashakkor, AY; Chow, KS; Carlsten, C | 2,011 | ABSTRACT: BACKGROUND: Outdoor air pollution, given its demonstrated negative effects on the respiratory system, is a growing public health concern worldwide, particularly in urban cities. Human exposure to pollutants such as ozone, nitrogen oxides, combustion-related particulate matter and oxides of sulfur is responsib... | 0 |
749,418 | [Effect of intra-articular ozone injection on serum and synovial TNF-?, TNFR I, and TNFR II contents in rats with rheumatoid arthritis] | Yu, B; Chen, HQ; Lu, CH; Lin, QR; Wang, BW; Qin, CH | 2,011 | OBJECTIVE: To observe the effects of intra-articular ozone injection at different concentrations on the contents of tumor necrosis factor-? (TNF-?), TNF receptor I (TNFR I), and TNFR II in the serum and synovium of rats with rheumatoid arthritis (RA) and explore the therapeutic mechanism of ozone in RA treatment. METHO... | 0 |
783,795 | Soil drench of ethylenediurea (EDU) protects sensitive trees from ozone injury | Paoletti, E; Manning, WJ; Ferrara, AM; Tagliaferro, F | 2,011 | Ozone (O3) is the air pollutant of major concern for vegetation. Levels in Mediterranean cities may exceed the criteria for vegetation protection. Ozone may induce a number of plant responses, e.g., visible injury on the leaves, that affect the ornamental value of urban forests. Antioxidant application may protect sens... | 0 |
778,733 | The hippocampal neuroproteome with aging and cognitive decline: Past progress and future directions | Vanguilder, HD; Freeman, WM | 2,011 | Although steady progress on understanding brain aging has been made over recent decades through standard anatomical, immunohistochemical, and biochemical techniques, the biological basis of non-neurodegenerative cognitive decline with aging remains to be determined. This is due in part to technical limitations of tradi... | 1 |
757,781 | New Jersey: A case study of the reduction in urban and suburban air pollution from the 1950s to 2010 | Lioy, PJ; Georgopoulos, PG | 2,011 | Background: Air pollution has been a topic of intense concern and study for hundreds of years. During the second half of the 20th Century the United States implemented regulations and controls to reduce the levels of Criteria Air Pollutants and achieve the National Ambient Air Quality Standards (NAAQS) for the protecti... | 0 |
732,551 | Association between ozone and emergency department visits: An ecological study | Choi, M; Curriero, FC; Johantgen, M; Mills, ME; Sattler, B; Lipscomb, J | 2,011 | The objective of this study was to examine the association between the levels of ozone concentration and emergency department (ED) visits for respiratory and cardiovascular conditions in Maryland in the United States by considering temporal and spatial characteristics, including socioeconomic status (SES), as a covaria... | 0 |
732,553 | The association of seasonal variations of asthma hospitalization with air pollution among children in Taiwan | Yeh, KW; Chang, CJ; Huang, JL | 2,011 | The impact of air pollution on asthma in children in different age group has not been well defined. Objective: This study aimed to evaluate the association between seasonal variations in air pollution and asthma hospitalization of children within a two-year period.<br /><br /> Using the National Health Insurance databa... | 0 |
732,552 | Implications of different approaches for characterizing ambient air pollutant concentrations within the urban airshed for time-series studies and health benefits analyses | Strickland, MJ; Darrow, LA; Mulholland, JA; Klein, M; Flanders, WD; Winquist, A; Tolbert, PE | 2,011 | BACKGROUND: In time-series studies of the health effects of urban air pollutants, decisions must be made about how to characterize pollutant levels within the airshed. METHODS: Emergency department visits for pediatric asthma exacerbations were collected from Atlanta hospitals. Concentrations of carbon monoxide, nitrog... | 1 |
749,412 | Ozone acting on human blood yields a hormetic dose-response relationship | Bocci, VA; Zanardi, I; Travagli, V | 2,011 | ABSTRACT: The aim of this paper is to analyze why ozone can be medically useful when it dissolves in blood or in other biological fluids. In reviewing a number of clinical studies performed in Peripheral Arterial Diseases (PAD) during the last decades, it has been possible to confirm the long-held view that the inverte... | 0 |
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