William Chameides

Chapter · January 1, 2017 Although 80% of the atmosphere is composed of molecular nitrogen (N2), this element is often the limiting nutrient in both terrestrial and marine photosynthesis. The reason for this apparent paradox arises from the high chemical stability of nitrogen when ... Full text Cite

Reply to Caldeira and Myhrvold: Radiative forcing is a useful, accepted metric to compare climate influence of alternative energy choices

Journal Article Proceedings of the National Academy of Sciences of the United States of America · July 3, 2012 Full text Cite

Greater focus needed on methane leakage from natural gas infrastructure.

Journal Article Proceedings of the National Academy of Sciences of the United States of America · April 2012 Natural gas is seen by many as the future of American energy: a fuel that can provide energy independence and reduce greenhouse gas emissions in the process. However, there has also been confusion about the climate implications of increased use of natural ... Full text Cite

EPA in the crosshairs.

Journal Article Science (New York, N.Y.) · April 2011 Full text Cite

Carbon Calculations to Consider—Response

Journal Article Science · February 12, 2010 Full text Cite

Bioenergy: Counting on Incentives Response

Journal Article SCIENCE · 2010 Full text Open Access Cite

Environmental factors in cancer: focus on air pollution.

Journal Article Reviews on environmental health · January 2010 Cite

Climate change. Fixing a critical climate accounting error.

Journal Article Science (New York, N.Y.) · October 2009 Full text Cite

Characteristics of anthropogenic sulfate and carbonaceous aerosols over East Asia: Regional modeling and observation

Journal Article Advances in Atmospheric Sciences · December 1, 2008 The authors present spatial and temporal characteristics of anthropogenic sulfate and carbonaceous aerosols over East Asia using a 3-D coupled regional climate-chemistry-aerosol model, and compare the simulation with the limited aerosol observations over t ... Full text Cite

Single-source impact analysis using three-dimensional air quality models.

Journal Article Journal of the Air & Waste Management Association (1995) · October 2008 Isolating the effects of an individual emissions source on secondary air pollutants such as ozone and some components of particulate matter must incorporate complex nonlinear processes, be sensitive to small emissions perturbations, and account for impacts ... Full text Cite

Planets on the table: A laboratory experiment on radiation and planetary effective-temperature concepts

Journal Article American Journal of Physics · July 1, 2008 A new undergraduate laboratory experiment demonstrates radiation laws and their applications to climatology and environmental science. The experiment emphasizes the planetary energy budget and effective-temperature concepts. A close look at "planets on the ... Full text Cite

A quantitative assessment of uncertainties affecting estimates of global mean OH derived from methyl chloroform observations

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · June 2008 We estimated the global abundance of OH for the years 1988-1994 by interpreting observations of methyl chloroform (MCF) from two networks using an inverse technique and a 3-D chemical transport model driven by assimilated meteorology. Our inversion approac ... Full text Cite

Source characteristics of volatile organic compounds during high ozone episodes in Hong Kong, Southern China

Journal Article ATMOSPHERIC CHEMISTRY AND PHYSICS · 2008 Measurements of Volatile Organic Compounds (VOC) are analyzed to characterize the sources impacting the Hong Kong area. The ratios of different VOC species, m, p-xylenes-to-ethylbenzene, C6H14-to-toluene and p- xylene-to-total xylenes are used for diagnost ... Cite

Atlantic Southern Ocean productivity: Fertilization from above or below?

Journal Article Global Biogeochemical Cycles · June 1, 2007 Primary productivity and the associated uptake of atmospheric carbon dioxide in the Southern Ocean (SO) is thought to be generally limited by bioavailable iron (Fe). Two sources of Fe for the surface waters of the SO have been proposed: (1) oceanic input o ... Full text Cite

Climate change. Carbon trading over taxes.

Journal Article Science (New York, N.Y.) · March 2007 Full text Cite

Direct and indirect effects of anthropogenic aerosols on regional precipitation over east Asia

Journal Article Journal of Geophysical Research Atmospheres · February 16, 2007 A regional coupled climate-chemistry-aerosol model is developed. It is used to assess the direct and indirect effects of anthropogenic sulfate and carbonaceous aerosols on regional climate over east Asia with a focus on precipitation. The simulated direct ... Full text Cite

Ozone production and hydrocarbon reactivity in Hong Kong, Southern China

Journal Article Atmospheric Chemistry and Physics · January 1, 2007 Data obtained in Hong Kong during the Hong Kong and the Pearl River Delta (PRD) Pilot Air Monitoring Study in autumn 2002 are analyzed to unravel the relationship between ground-level ozone (O3), pollution precursors, and cross-border transport. Ten ozone ... Full text Cite

The influence of aerosols on crop production: A study using the CERES crop model

Journal Article Agricultural Systems · September 1, 2006 The attenuation of solar radiation by atmospheric aerosols simultaneously decreases the amount of radiation reaching the surface and increases the fraction of radiation which is diffuse. Decreasing the total amount of photosynthetically active radiation (P ... Full text Cite

Impact of aerosol indirect effect on surface temperature over East Asia

Journal Article Proceedings of the National Academy of Sciences of the United States of America · March 21, 2006 A regional coupled climate-chemistry-aerosol model is developed to examine the impacts of anthropogenic aerosols on surface temperature and precipitation over East Asia. Besides their direct and indirect reduction of short-wave solar radiation, the increas ... Full text Cite

Air quality management in the United States

Journal Article EM: Air and Waste Management Association's Magazine for Environmental Managers · December 1, 2005 Cite

Aerosol-induced thermal effects increase modelled terrestrial photosynthesis and transpiration

Journal Article Tellus, Series B: Chemical and Physical Meteorology · November 1, 2005 Previous studies suggest that the radiative effects of atmospheric aerosols (reducing total radiation while increasing the diffuse fraction) can enhance terrestrial productivity. Here, simulations using a regional climate/terrestrial biosphere model sugges ... Full text Cite

Surface ozone: A likely threat to crops in Yangtze delta of China

Journal Article Atmospheric Environment · July 1, 2005 Observational surface ozone during a 16-month field experiment between 1999 and 2000 at six non-urban sites in the Yangtze Delta of China suggests that enhanced ozone concentrations were most prevalent during the spring, when the 90-day ozone-exposure indi ... Full text Cite

Dust and pollution: A recipe for enhanced ocean fertilization?

Journal Article Journal of Geophysical Research D: Atmospheres · February 16, 2005 For Fe contained in aeolian dust to act as a micronutrient for oceanic phytoplankton, some fraction of it must first be transformed (mobilized) into a form soluble in ocean water. Fe solubilization in deliquesced mineral dust aerosols emanating from East A ... Full text Cite

The coupling of the Common Land Model (CLM0) to a regional climate model (RegCM)

Journal Article Theoretical and Applied Climatology · January 1, 2005 We replace the existing land surface parameterization scheme, the Biosphere-Atmosphere Transfer Scheme (BATS), in a regional climate model (RegCM) with the newly developed Common Land Model (CLM0). The main improvements of CLM0 include a detailed 10-layer ... Full text Cite

An evaluation of TRACE-P emission inventories from China using a regional model and chemical measurements

Journal Article Journal of Geophysical Research: Atmospheres · November 27, 2004 We evaluate the TRACE-P emission inventories for gaseous and particulate pollutants from East Asia using chemical measurements made at a rural site in China during the China-MAP Field Intensive in conjunction with a coupled regional climate/chemical transp ... Full text Cite

Iron mobilization in mineral dust: Can anthropogenic SO2 emissions affect ocean productivity?

Journal Article Geophysical Research Letters · November 1, 2003 For Fe contained in long-range transported acolian dust to act as a micronutrient for oceanic phytoplankton it must be first dissolved or mobilized. We propose that Femobilization can occur in mineral dust from East Asia by the incorporation of SO2 into th ... Cite

Overview of the 1999 Atlanta Supersite Project

Journal Article Journal of Geophysical Research: Atmospheres · April 16, 2003 This paper presents an overview of the 1999 Atlanta Supersite Project coordinated through the Southern Oxidants Study and Georgia Institute of Technology (GIT) and funded by the U.S. Environmental Protection Agency (EPA) along with other sponsors w ... Full text Cite

Discrete measurements of reactive gases and fine particle mass and composition during the 1999 Atlanta supersite experiment

Journal Article Journal of Geophysical Research: Atmospheres · April 16, 2003 During the Atlanta Supersite Experiment (ASSE) in August 1999, a three-channel particle composition monitor (PCM) was used to measure PM2.5 mass and composition as well as gas-phase NH3, HCl, HNO3, HONO, SO2, and acetic, formic, and oxalic acids over integ ... Full text Cite

Overview of the 1999 Atlantas supersite project

Journal Article Journal of Geophysical Research D: Atmospheres · April 16, 2003 This paper presents an overview of the 1999 Atlanta Supersite Project coordinated through the Southern Oxidants Study and Georgia Institute of Technology (GIT) and funded by the U.S. Environmental Protection Agency (EPA) along with other sponsors who provi ... Cite

Intercomparison of near real time monitors of PM2.5 nitrate and sulfate at the U.S. environmental protection agency atlanta supersite

Journal Article Journal of Geophysical Research: Atmospheres · April 16, 2003 Five new instruments for semicontinuous measurements of fine particle (PM2.5) nitrate and sulfate were deployed in the Atlanta Supersite Experiment during an intensive study in August 1999. The instruments measured bulk aerosol chemical composition at rate ... Full text Cite

An evaluation of the thermodynamic equilibrium assumption for fine particulate composition: Nitrate and ammonium during the 1999 Atlanta Supersite Experiment

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · December 2002 Data obtained during the 1999 Atlanta Supersite Experiment are used to test the validity of the assumption of thermodynamic equilibrium between fine particulate (PM2.5) nitrate (NO3-) and ammonium (NH4+) and gas-phase nitric acid (HNO3(g)) and ammonia (NH3 ... Full text Cite

Past and present-day biogenic volatile organic compound emissions in East Asia

Journal Article Atmospheric Environment · October 1, 2002 Biogenic volatile organic carbon (VOC) emissions from vegetation in East Asia are estimated for two contrasting land-cover scenarios: near present-day conditions derived from satellite data and pre-disturbed land-cover based on climatological parameters an ... Full text Cite

Climate change. Soot takes center stage.

Journal Article Science (New York, N.Y.) · September 2002 Full text Cite

Correlation between model-calculated anthropogenic aerosols and satellite-derived cloud optical depths: Indication of indirect effect?

Journal Article Journal of Geophysical Research D: Atmospheres · May 27, 2002 We consider two independently derived data sets. The first represents the annually averaged distribution of anthropogenic aerosols over East Asia as derived by a coupled regional climate/chemical transport model. The other is the annually averaged distribu ... Cite

Correlation between model-calculated anthropogenic aerosols and satellite-derived cloud optical depths: Indication of indirect effect?

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · May 2002 {[}1] We consider two independently derived data sets. The first represents the annually averaged distribution of anthropogenic aerosols over East Asia as derived by a coupled regional climate/chemical transport model. The other is the annually averaged di ... Full text Cite

Budget and export of anthropogenic SOx from East Asia during continental outflow conditions

Journal Article Journal of Geophysical Research Atmospheres · January 1, 2002 We examine the budget and export of anthropogenic SOx (SO 2 and sulfate aerosol) emitted from East Asia during the late winter/early spring when continental outflow conditions dominate. Our study is based on simulations using a modified version of the Chin ... Full text Cite

Impact of atmospheric aerosol light scattering and absorption on terrestrial net primary productivity

Journal Article Global Biogeochemical Cycles · January 1, 2002 Scattering and absorption of sunlight by anthropogenic aerosols reduce the photosynthetically active radiation (PAR) incident upon the Earth's surface, but increase the fraction of the PAR that is diffuse. These alterations to irradiance may elicit conflic ... Full text Cite

Budget and export of anthropogenic SOx from East Asia during continental outflow conditions

Journal Article Journal of Geophysical Research Atmospheres · January 1, 2002 We examine the budget and export of anthropogenic SOx (SO2 and sulfate aerosol) emitted from East Asia during the late winter/early spring when continental outflow conditions dominate. Our study is based on simulations using a modified version of the China ... Cite

Influence of aerosol dry deposition on photosynthetically active radiation available to plants: A case study in the Yangtze delta region of China

Journal Article Geophysical Research Letters · September 15, 2001 In this paper, a new mechanism is proposed by which aerosols decrease the amount of photosynthetically active radiation (PAR) available to plants for photosynthesis. The mechanism involves the scattering and absorption of PAR by water insoluble aerosol par ... Full text Cite

Aerosol radiative, physical, and chemical properties in Beijing during June 1999

Journal Article Journal of Geophysical Research Atmospheres · August 27, 2001 Beijing experiences air pollution such that the sky overhead is gray much of the time even on cloudless days. In order to understand the cause of this problem, the aerosol light scattering coefficient σsp and absorption coefficient σap were measured under ... Full text Cite

Evaluation of the DMS flux and its conversion to SO2 over the southern ocean

Journal Article Atmospheric Environment · January 1, 2001 A total of 16 boundary layer (BL) DMS flux values were derived from flights over the Southern Ocean. DMS flux values were derived from airborne observations recorded during the Aerosol Characterization Experiment (ACE 1). The latitude range covered was 55° ... Full text Cite

Regional simulation of anthropogenic sulfur over East Asia and its sensitivity to model parameters

Journal Article Tellus, Series B: Chemical and Physical Meteorology · January 1, 2001 We discuss a series of simulations of anthropogenic sulfur over East Asia with a SO2/SO2-4 chemistry-transport model driven in on-line mode by a regional climate model. Sensitivity to OH and H2O2 concentration, cloud parameters, SO2 dry deposition and emis ... Full text Cite

Seasonal modeling of regional ozone pollution in the eastern United States

Journal Article Geophysical Research Letters · May 1, 2000 In this study, we report on the results from a comprehensive model simulation of regional ozone (O3) throughout a season in the eastern United States. The model is shown to perform better in terms of simulating seasonal, rather than episodic, ch ... Full text Cite

Possible role of power plant plume emissions in fostering O3 exceedence events in Atlanta, Georgia

Journal Article Journal of Geophysical Research Atmospheres · April 16, 2000 Shortly after 12 noon on August 15, 1995, the second highest 1-hour averaged O3 mixing ratio on record in Atlanta was observed at a monitoring site located to the west and generally upwind of the downtown core. Analysis of relevant data suggest that the pe ... Full text Cite

Introduction to special section: Southern Oxidants Study Nashville/Middle Tennessee Ozone Study, Part 2

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · April 2000 Cite

A nonurban ozone air pollution episode over eastern China: Observations and model simulations

Journal Article Journal of Geophysical Research Atmospheres · January 1, 2000 Air quality data gathered from five nonurban sites in China over a 12-month period from August 1994 to August 1995, along with meteorological observations from the same region and period, are used to identify and characterize a nonurban ozone (O3) pollutio ... Full text Cite

The application of data from photochemical assessment monitoring stations to the observation-based model

Journal Article Atmospheric Environment · January 1, 2000 The observation-based model - a diagnostic model designed to estimate ozone sensitivity to changes in the concentration of volatile organic compounds, nitrogen oxides, and CO - was used to analyze data gathered during the summer of 1995 at three photochemi ... Full text Cite

Case study of the effects of atmospheric aerosols and regional haze on agriculture: an opportunity to enhance crop yields in China through emission controls?

Journal Article Proceedings of the National Academy of Sciences of the United States of America · November 1999 The effect of atmospheric aerosols and regional haze from air pollution on the yields of rice and winter wheat grown in China is assessed. The assessment is based on estimates of aerosol optical depths over China, the effect of these optical depths on the ... Full text Cite

Is ozone pollution affecting crop yields in China?

Journal Article Geophysical Research Letters · April 1, 1999 Newly available data from non-urban locations in China along with regional model simulations suggest that ground-level ozone may be sufficiently high to affect China's winter wheat production. As non-urban ozone increases with industrialization, its effect ... Full text Cite

Demonstrating attainment in Atlanta using urban airshed model simulations: Impact of boundary conditions and alternative forms of the NAAQS

Journal Article Atmospheric Environment · March 1, 1999 Urban Airshed Model-Version IV (UAM-IV) simulations on 7-8 July, 1988 for the Atlanta, Georgia, nonattainment area are used to investigate how recent changes in the National Ambient Air Quality Standard (NAAQS) and changes in boundary concentrations may af ... Full text Cite

Effects of urban emission control strategies on the export of ozone and ozone precursors from the urban atmosphere to the troposphere

Journal Article Journal of Geophysical Research Atmospheres · November 20, 1998 An urban plume model is used to simulate the photochemistry of ozone (O3) precursors and the concomitant generation of O3 within an urban plume as it advects and mixes with the background atmosphere. On the basis of these calculations, we estimate the rate ... Full text Cite

Relationships between regional ozone pollution and emissions of nitrogen oxides in the eastern United States

Journal Article Journal of Geophysical Research Atmospheres · September 20, 1998 This study examines the relationships between regional ozone (O3) pollution and emissions of nitrogen oxides (NOx) in the eastern United States during summer. Using measurements from rural sites during the summer of 1995, three 4-day time periods are ident ... Full text Cite

Role of anthropogenic NOx and VOC as ozone precursors: A case study from the SOS Nashville/Middle Tennessee Ozone Study

Journal Article Journal of Geophysical Research Atmospheres · September 20, 1998 Using data collected on July 11, 1995, from the Tennessee Valley Authority (TVA) instrumented Bell 205 helicopter during the 1995 SOS Nashville/Middle Tennessee Ozone Study, we examine the relative roles of NOx and volatile organic compound (VOC) emissions ... Full text Cite

Introduction to special section: Southern Oxidants Study Nashville Middle Tennessee Ozone Study

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · September 1998 Cite

An evaluation using C-14 and N2O simulations of three-dimensional transport driven by United Kingdom Meteorological Office and Goddard Space Flight Center assimilated winds

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · May 1998 We have used two different sets of assimilated input wind fields (United Kingdom Meteorological Office (UKMO), NASA) to drive the transport in a three-dimensional global chemical transport model. In a first experiment the distribution of carbon 14 after nu ... Cite

Interactions between sulfur and soot emissions from aircraft and their role in contrail formation 2. Development

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · May 1998 A numerical box model of the time evolution of key gaseous and aerosol species in an expanding plume of a subsonic aircraft is developed to investigate the effects of aircraft emissions on the characteristics of contrails. The model simulates the formation ... Cite

An evaluation using ¹⁴C and N2O simulations of three-dimensional transport driven by United Kingdom Meteorological Office and Goddard Space Flight Center assimilated winds

Journal Article Journal of Geophysical Research: Atmospheres · January 1, 1998 We have used two different sets of assimilated input wind fields (United Kingdom Meteorological Office (UKMO), NASA) to drive the transport in a three-dimensional global chemical transport model. In a first experiment the distribution of carbon 14 after nu ... Full text Cite

Interactions between sulfur and soot emissions from aircraft and their role in contrail formation - 2. Development

Journal Article Journal of Geophysical Research: Atmospheres · January 1, 1998 A numerical box model of the time evolution of key gaseous and aerosol species in an expanding plume of a subsonic aircraft is developed to investigate the effects of aircraft emissions on the characteristics of contrails. The model simulates the formation ... Full text Cite

Implications of the new ozone National Ambient Air Quality Standards for compliance in rural areas

Journal Article Journal of Geophysical Research Atmospheres · January 1, 1998 The U.S. Environmental Protection Agency (EPA) has recently promulgated new National Ambient Air Quality Standards (NAAQS) for ozone (O3). The new standard is based on an 8-hour average O3 concentration instead of a 1-hour average, as was the previous stan ... Full text Cite

An evaluation using ¹⁴C and N ₂O simulations of three-dimensional transport driven by United Kingdom Meteorological Office and Goddard Space Flight Center assimilated winds

Journal Article Journal of Geophysical Research D: Atmospheres · 1998 We have used two different sets of assimilated input wind fields (United Kingdom Meteorological Office (UKMO), NASA) to drive the transport in a three-dimensional global chemical transport model. In a first experiment the distribution of carbon 14 after nu ... Cite

Interactions between sulfur and soot emissions from aircraft and their role in contrail formation - 2. Development

Journal Article Journal of Geophysical Research D: Atmospheres · 1998 A numerical box model of the time evolution of key gaseous and aerosol species in an expanding plume of a subsonic aircraft is developed to investigate the effects of aircraft emissions on the characteristics of contrails. The model simulates the formation ... Cite

Gas-to-particle conversion of tropospheric sulfur as estimated from observations in the western North Pacific during PEM-West B

Journal Article Journal of Geophysical Research Atmospheres · December 20, 1997 Aircraft observations during the Pacific Exploratory Mission in the western Pacific Ocean, phase B (PEM-West B), taken in February-March 1994, have been used to constrain a numerical model that calculates local concentrations of gaseous H2S04, rates of hom ... Full text Cite

Biogeochemical cycles: a computer-interactive study of earth system science and global change

Journal Article Biogeochemical cycles: a computer-interactive study of earth system science and global change · December 1, 1997 The basic framework for investigating global change and its implcations for life on earth are presented. The first three chapters introduce and review the fundamentals: basic chemical concepts, relevant features of the earth system and the key physical, bi ... Cite

Climatology of ozone exceedences in the Atlanta metropolitan area: 1- hour vs 8-hour standard and the role of plume recirculation air pollution episodes

Journal Article Environmental Science and Technology · October 1, 1997 This work compares the relative frequencies of and meteorological conditions most conducive to exceedences of the current 1-h/120-ppbv national ambient air quality standard for ozone and the proposed revised standard based on daily maximum 8-h averages. Ch ... Full text Cite

Interactions between sulfur and soot emissions from aircraft and their role in contrail formation 1. Nucleation

Journal Article Journal of Geophysical Research Atmospheres · September 20, 1997 A numerical model of the time evolution of subsonic aircraft exhaust is used to evaluate the possible activation of soot particles by collisions with SO2 and H2SO4 gas molecules and Brownian coagulation with H2SO4/H2O aerosol formed by homogeneous nucleati ... Full text Cite

Interactions between sulfur and soot emissions from aircraft and their role in contrail formation .1. Nucleation

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · September 1997 A numerical model of the time evolution of subsonic aircraft exhaust is used to evaluate the possible activation of soot particles by collisions with SO2 and H2SO4 gas molecules and Brownian coagulation with H2SO4/H2O aerosol formed by homogeneous nucleati ... Cite

Ozone pollution in the rural United States and the new NAAQS.

Journal Article Science (New York, N.Y.) · May 1997 Full text Cite

A three-dimensional global model investigation of seasonal variations in the atmospheric burden of anthropogenic sulfate aerosols

Journal Article Journal of Geophysical Research Atmospheres · February 20, 1997 A global three-dimensional chemical transport model is used to investigate seasonal variations of anthropogenic sulfur in the troposphere. Particular emphasis is placed on detailed comparisons of the modeled surface sulfur dioxide (SQ2) and sulfate (SO4) c ... Full text Cite

Trends and analysis of ambient NO, NO(y), CO, and ozone concentrations in Raleigh, North Carolina

Journal Article Chemosphere · February 1, 1997 Ambient concentrations of NO and NO(y) as well as O3 and CO were measured dining August 19 to September 1, 1991 in downtown Raleigh, North Carolina as apart of the Southern Oxidants Study-Southern Oxidants Research Program on Ozone Non-Attainment (SOS-SORP ... Full text Cite

Impact of inert organic nitrate formation on ground-level ozone in a regional air quality model using the carbon bond mechanism 4

Journal Article Geophysical Research Letters · January 1, 1997 A regional air quality model is used to assess the impact of inert organic nitrate formation on ground-level ozone in the eastern United States during summer. The chemical mechanism used is the Carbon Bond Mechanism 4 (CBM4), which is widely used by regula ... Full text Cite

The global impact of human activity on tropospheric ozone

Journal Article Geophysical Research Letters · January 1, 1997 Within a conceptual framework of stratospheric injection, CO-CH4 background tropospheric chemistry, parameterized pollution production in the continental boundary layer and surface deposition, we use an 11 level GCTM to simulate global distributions of pre ... Full text Cite

Interactions between sulfur and soot emissions from aircraft and their role in contrail formation 1. Nucleation

Journal Article Journal of Geophysical Research: Atmospheres · 1997 A numerical model of the time evolution of subsonic aircraft exhaust is used to evaluate the possible activation of soot particles by collisions with SO2 and H2SO4 gas molecules and Brownian coagulation with H2SO4/H2O aerosol formed by homogeneous nucleati ... Cite

Three-dimensional view of the large-scale tropospheric ozone distribution over the North Atlantic Ocean during summer

Journal Article Journal of Geophysical Research Atmospheres · December 20, 1996 A global chemical transport model is used to study the three-dimensional structure of the tropospheric ozone (O3) distribution over the North Atlantic Ocean during summer. A simplified representation of summertime O3 photochemistry appropriate for northern ... Full text Cite

Assessment of ozone photochemistry in the western North Pacific as inferred from PEM-West A observations during the fall 1991

Journal Article Journal of Geophysical Research Atmospheres · January 1, 1996 This study examines the influence of photochemical processes on ozone distributions in the western North Pacific. The analysis is based on data generated during NASA's western Pacific Exploratory Mission (PEM-West A) during the fall of 1991. Ozone trends w ... Full text Cite

SPECIAL SECTION ON REGIONAL PHOTOCHEMICAL MEASUREMENT AND MODELING STUDIES - INTRODUCTION

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · November 1995 Cite

An observation-based model for analyzing ozone precursor relationships in the urban atmosphere.

Journal Article Journal of the Air & Waste Management Association (1995) · March 1995 An Observation-Based Model (OBM) is described, which uses in-situ atmospheric observations to determine the sensitivity of ozone concentrations in an urban atmosphere to changes in the emissions of ozone precursors (i.e., volatile organic compounds and nit ... Full text Cite

THE FATE OF ATMOSPHERIC PHOSGENE AND THE STRATOSPHERIC CHLORINE LOADINGS OF ITS PARENT COMPOUNDS - CCL4, C2CL4, C2HCL3,CH3CCL3, AND CHCL3

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · January 1995 A study of the tropospheric and stratospheric cycles of phosgene is carried out to determine its fate and ultimate role in controlling the ozone depletion potentials of its parent compounds (CCl4, C2Cl4, CH3CCl3, CHCl3, and C2HCl3). Tropospheric phosgene i ... Cite

The increase of pollutants (nitrogen oxides and ozone) in the summertime Midwest

Journal Article Preparing for global change: a midwestern perspective. Proc. symposium, Iowa City, 1994 · January 1, 1995 We use the Geophysical Fluid Dynamics Laboratory (GFDL) Global Chemical Transport Model, with the six known sources for tropospheric NOx and off-line calculations of daytime gas-phase nitrogen photochemistry and night-time heterogeneous chemistry, to simul ... Cite

The fate of atmospheric phosgene and the stratospheric chlorine loadings of its parent compounds: CCl₄, C₂Cl₄, C₂HCl₃, CH₃CCl₃, and CHCl₃

Journal Article Journal of Geophysical Research · 1995 A study of the tropospheric and stratospheric cycles of phosgene is carried out to determine its fate and ultimate role in controlling the ozone depletion potentials of its parent compounds (CCl4, C2Cl4, CH3CCl3, CHCl3, and C2HCl3). Tropospheric phosgene i ... Cite

VERTICAL-DISTRIBUTION OF ISOPRENE IN THE LOWER BOUNDARY-LAYER OF THE RURAL AND URBAN SOUTHERN UNITED-STATES

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · August 1994 An analysis is presented of vertical profiles of isoprene concentration and meteorological parameters measured in the boundary layer (BL) during the daylight hours at a rural site in Alabama and an urban site in Atlanta, Georgia, during the summer of 1990, ... Cite

Growth of continental-scale metro-agro-plexes, regional ozone pollution, and world food production.

Journal Article Science (New York, N.Y.) · April 1994 Three regions of the northern mid-latitudes, the continental-scale metro-agro-plexes, presently dominate global industrial and agricultural productivity. Although these regions cover only 23 percent of the Earth's continents, they account for most of the w ... Full text Cite

Vertical distribution of isoprene in the lower boundary layer of the rural and urban southern United States

Journal Article Journal of Geophysical Research · 1994 Of the 37 isoprene profiles recorded at the sites, 16 exhibited complex vertical structure with local maxima within the BL. This complex vertical structure appears to arise from a variety of turbulent processes fostered by horizontal inhomogeneities in the ... Cite

A photostationary state analysis of the NO₂‐NO system based on airborne observations from the subtropical/tropical North and South Atlantic

Journal Article Journal of Geophysical Research: Atmospheres · December 20, 1993 The Chemical Instrumentation Test and Evaluation 3 (CITE 3) NO‐NO2 database has provided a unique opportunity to examine important aspects of tropospheric photochemistry as related to the rapid cycling between NO and NO Full text Cite

A MODEL STUDY OF THE FORMATION OF CLOUD CONDENSATION NUCLEI IN REMOTE MARINE AREAS - REPLY

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · November 1993 Cite

MULTIPHASE ATMOSPHERIC CHEMISTRY AND ITS IMPACT ON AIR-QUALITY AND CLIMATE

Journal Article ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY · August 1993 Cite

AQUEOUS-PHASE CHEMICAL PROCESSES IN DELIQUESCENT SEA-SALT AEROSOLS - A MECHANISM THAT COUPLES THE ATMOSPHERIC CYCLES OF S AND SEA-SALT

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · May 1993 Cite

CCN formation from DMS oxidation without SO2 acting as an intermediate

Journal Article Geophysical Research Letters · January 1, 1993 An alternate pathway for generating cloud condensation nuclei (CCN) in the remote marine boundary layer (MBL) from the oxidation of biogenically‐derived dimethyl sulfide (DMS) is proposed. This pathway invokes the production of H2SO4 from DMS without SO2 s ... Full text Cite

AQUEOUS-PHASE CHEMICAL PROCESSES IN DELIQUESCENT SEA-SALT AEROSOLS - A MECHANISM THAT COUPLES THE ATMOSPHERIC CYCLES OF S AND SEA SALT

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · December 1992 The aqueous-phase chemistry of deliquescent sea-salt aerosols in the remote marine boundary layer is investigated with a steady state box model. The model simulates the scavenging of soluble and reactive gaseous species by the sea-salt aerosols, the chemic ... Cite

A MODEL STUDY OF THE FORMATION OF CLOUD CONDENSATION NUCLEI IN REMOTE MARINE AREAS

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · November 1992 A theoretical study is presented of the mechanisms by which freshly nucleated sulfuric acid particles can be grown to the size of cloud condensation nuclei (CCN) in remote marine areas. Three mechanisms are considered: (1) growth by the scavenging and subs ... Cite

AQUEOUS-PHASE CHEMICAL PROCESSES IN DELIQUESCENT SEASALT AEROSOLS

Journal Article BERICHTE DER BUNSEN-GESELLSCHAFT-PHYSICAL CHEMISTRY CHEMICAL PHYSICS · March 1992 The aqueous-phase chemistry of deliquescent seasalt aerosols in the remote marine boundary layer is investigated with a steady-state box model. The model simulates the scavenging of soluble and reactive gaseous species by the seasalt aerosols, the chemical ... Cite

Ozone precursor relationships in the ambient atmosphere

Journal Article Journal of Geophysical Research · January 1, 1992 While a large gradient is found among remote, rural, and urban/suburban nitrogen oxide concentrations, the total hydrocarbon reactivity in all continental locations is found to be comparable. Apportionment of the observed hydrocarbon species to mobile and ... Full text Cite

Aqueous-phase chemical processes in deliquescent sea-salt aerosols: a mechanism that couples the atmospheric cycles of S and sea salt

Journal Article Journal of Geophysical Research · 1992 The model simulates the scavenging of soluble and reactive gaseous species by the sea-salt aerosols, the chemical reactions of these species and sea-salt ions in the deliquescent solution, and changes in the aerosol composition that occur as a result of th ... Cite

A model study of the formation of cloud condensation nuclei in remote marine areas

Journal Article Journal of Geophysical Research · 1992 Three mechanisms are considered: 1) growth by the scavenging and subsequent aqueous phase oxidation of atmospheric SO2, 2) growth by coagulation, and 3) growth by scavenging of atmospheric sulfuric acid. The first two mechanisms are too slow to represent a ... Cite

FOCUS ON FLUVOXAMINE - A SEROTONIN REUPTAKE INHIBITOR FOR MAJOR DEPRESSION AND OBSESSIVE-COMPULSIVE DISORDER

Journal Article HOSPITAL FORMULARY · August 1991 Recent interest in serotonin's role in the etiology of mood disorders has focused attention on antidepressant drugs that have a specific effect on this neurotransmitter. Fluvoxamine is a very potent and specific inhibitor of the presynaptic reuptake of ser ... Cite

Model studies of the impact of chemical inhomogeneity on SO2 oxidation in warm stratiform clouds

Journal Article Journal of Atmospheric Chemistry · August 1, 1991 A one-dimensional, time-dependent model of the physics and chemistry of a warm stratiform cloud is used to study the possible impact of chemical inhomogeneity among cloud and raindrops on the oxidation of SO2 in clouds. The effects of chemical inhomogeneit ... Full text Cite

An Observation-Based Model To Study Ozone Control Strategies In Urban Areas Of The South

Journal Article ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY · April 1991 Cite

The relative impact of stratospheric photochemical production on tropospheric NOy levels: a model study

Journal Article Journal of Geophysical Research · January 1, 1991 We conclude that the stratospheric source is too small to account for background surface NOy concentrations observed in the remote (i.e., regions a few thousand kilometers from continental source regions) troposphere. Surface NOy mixing ratios seldom excee ... Full text Cite

The relative impact of stratospheric photochemical production on tropospheric NO_y levels: a model study

Journal Article Journal of Geophysical Research · 1991 We conclude that the stratospheric source is too small to account for background surface NOy concentrations observed in the remote (i.e., regions a few thousand kilometers from continental source regions) troposphere. Surface NOy mixing ratios seldom excee ... Cite

NATURAL HYDROCARBONS, URBANIZATION, AND URBAN OZONE

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · August 1990 Cite

OBSERVED AND MODEL-CALCULATED NO2/NO RATIOS IN TROPOSPHERIC AIR SAMPLED DURING THE NASA GTE/CITE-2 FIELD-STUDY

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · June 1990 Cite

Airborne measurements of dimethylsulfide, sulfur dioxide, and aerosol ions over the southern ocean south of australia

Journal Article Journal of Atmospheric Chemistry · 1990 Vertical distributions of dimethylsulfide (DMS), sulfur dioxide (SO2), aerosol methanesulfonate (MSA), non-sea-salt sulfate (nss-SO2-4), and other aerosol ions were measured in maritime air west of Tasmania (Australia) during December 1986. A few cloudwate ... Full text Cite

Model simulations of rainout and washout from a warm stratiform cloud

Journal Article Journal of Atmospheric Chemistry · January 1, 1990 A one-dimensional, time-dependent cloud model with parameterized microphysics is used to investigate the processes which control the rainout and washout of soluble gases from warm, precipitating stratiform clouds. Calculations are presented simulating the ... Full text Cite

Natural hydrocarbons, urbanization, and urban ozone

Journal Article Journal of Geophysical Research · 1990 Air quality data from Atlanta suggest that urban ozone concentrations are enhanced by increases in ambient temperature. Model calculations suggest that this enhancement is caused by the effect of temperature on the atmospheric chemistry of peroxyacetyl nit ... Cite

Observed and model-calculated NO₂/NO ratios in tropospheric air sampled during the NASA GTE/CITE-2 field study

Journal Article Journal of Geophysical Research · 1990 Our analysis focussed on 2 sets of NO2/NO ratios derived from the data; these were based on overlapping NO and NO2 measurements made by 2 independent techniques; ie a chemiluminescent technique and a technique based on two-photon, laser-induced-fluorescenc ... Cite

TROPOSPERIC OZONE - FORMATION AND FATE

Journal Article ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY · September 1989 Cite

MODEL SIMULATIONS OF THE EFFECTS OF NATURAL HYDROCARBONS IN URBAN POLLUTION EPISODES

Journal Article ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY · September 1989 Cite

Ozone precursors and ozone photochemistry over eastern North Pacific during the spring of 1984 based on the NASA GTE/CITE 1 airborne observations

Journal Article Journal of Geophysical Research · January 1, 1989 Simultaneous, high-resolution measurements of O3, NO, CO, dew point temperature, and UV flux obtained during the NASA Global Tropospheric Experiment Chemical Instrumentation Test and Evaluation (GTE/CITE 1) spring 1984 airborne field exercise over the east ... Full text Cite

The Chemistry of Ozone Deposition to Plant Leaves: Role of Ascorbic Acid

Journal Article Environmental Science and Technology · January 1, 1989 A mathematical formulation is derived that describes the transport and chemistry of atmospheric gases as they diffuse through the open stomata, inner air spaces, and cell walls of plant leaves before depositing on the mesophyllic plasmalemma. The formulati ... Full text Cite

Ozone trends in Atlanta, Georgia: have emission controls been effective?

Journal Article JAPCA · January 1989 Nine years of summertime ozone data from the Atlanta metropolitan area are analyzed and compared to local emissions of volatile organic carbon and nitrogen oxides. Trends from 1979 to 1987 were studied for the number of days per year ozone exceeded the NAA ... Full text Cite

The role of biogenic hydrocarbons in urban photochemical smog: Atlanta as a case study.

Journal Article Science (New York, N.Y.) · September 1988 The effects of natural hydrocarbons must be considered in order to develop a reliable plan for reducing ozone in the urban atmosphere. Trees can emit significant quantities of hydrocarbons to metropolitan areas such as Atlanta, and model calculations indic ... Full text Cite

HIGH-OZONE EVENTS IN ATLANTA, GEORGIA, IN 1983 AND 1984

Journal Article ENVIRONMENTAL SCIENCE \& TECHNOLOGY · April 1988 Cite

Absorption cross sections and kinetic considerations of the IO radical as determined by laser flash photolysis/laser absorption spectroscopy

Journal Article Journal of Physical Chemistry · January 1, 1988 Independent measurements of the absorption cross section of the IO radical for the A2Π-X2Π band system are reported. A value of (3.1 ± 0.6) × 10-17 cm2 was observed for the (4,0) bandhead in good agreement with an earlier investigation. Results are also re ... Full text Cite

ACID DEW AND THE ROLE OF CHEMISTRY IN THE DRY DEPOSITION OF REACTIVE GASES TO WETTED SURFACES

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · October 1987 Cite

AN ESTIMATE OF THE NOX PRODUCTION-RATE IN ELECTRIFIED CLOUDS BASED ON NO OBSERVATIONS FROM THE GTE CITE-1 FALL 1983 FIELD OPERATION

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · February 1987 Cite

SPECIAL SECTION - SOLAR VARIABILITY AND ITS STRATOSPHERIC, MESOSPHERIC, AND THERMOSPHERIC EFFECTS - PREFACE

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · January 1987 Cite

Net ozone photochemical production over the eastern and central North Pacific as inferred from GTE/CITE 1 observations during fall 1983

Journal Article Journal of Geophysical Research · January 1, 1987 Simultaneous measurements of O3, NO, CO, H2O vapor, and temperature over the eastern and central North Pacific Ocean are analyzed to infer the role of photochemistry in the budget of tropospheric ozone. A statistical analysis of the data reveals a close co ... Full text Cite

Acid dew and the role of chemistry in the dry deposition of reactive gases to wetted surfaces

Journal Article Journal of Geophysical Research · 1987 Cite

POSSIBLE ROLE OF NO3 IN THE NIGHTTIME CHEMISTRY OF A CLOUD - REPLY

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · December 1986 Cite

RAINOUT LIFETIMES OF HIGHLY SOLUBLE AEROSOLS AND GASES AS INFERRED FROM SIMULATIONS WITH A GENERAL-CIRCULATION MODEL

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · December 1986 Cite

The photochemistry of tropospheric trace species: The central role of radicals and their possible variability

Journal Article Studies in Environmental Science · December 1, 1986 In the presence of sunlight, reduced species emitted into the atmosphere from the earth's surface are oxidized, converted to soluble forms, and then returned to the biosphere-lithosphere-hydrosphere. The free radical OH, predicted to be present in the atmo ... Full text Cite

NOXON,JOHN,F. MEMORIAL ISSUE - PREFACE

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · April 1986 Cite

POSSIBLE ROLE OF NO3 IN THE NIGHTTIME CHEMISTRY OF A CLOUD

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · April 1986 Cite

The removal of soluble species by warm stratiform clouds

Journal Article Tellus B · January 1, 1986 A one‐dimensional, time‐dependent model has been developed to study the removal of soluble gases from a warm, precipitating stratiform cloud. The model calculates the distributions of water vapor and condensed water, in the form of cloud drops and raindrop ... Full text Cite

JGR is now weekly

Journal Article Eos, Transactions American Geophysical Union · January 1, 1986 Full text Cite

The removal of soluble species by warm stratiform clouds.

Journal Article Tellus, Series B · January 1, 1986 A one-dimensional, time-dependent model has been developed to study the removal of soluble gases from a warm, precipitating stratiform cloud. The model calculates the distributions of water vapor and condensed water, in the form of cloud drops and raindrop ... Cite

THE PHOTOCHEMISTRY OF A REMOTE STRATIFORM CLOUD - REPLY

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · 1985 Cite

THE RAINOUT PARAMETERIZATION IN A PHOTOCHEMICAL MODEL

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · 1985 Cite

SPECIAL SECTION - A FIELD INTERCOMPARISON OF DRY DEPOSITION MONITORING AND MEASUREMENT METHODS - PREFACE

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · 1985 Cite

The rainout parameterization in a photochemical model.

Journal Article Journal of Geophical Research · January 1, 1985 Photochemical models of topospheric trace species typically simulate the effects of wet removal of soluble species from the atmosphere through a first-order rainout parameterization, which is independent of the species solubility and constant in time. In t ... Full text Cite

RESEARCH NEEDS IN HETEROGENEOUS TROPOSHERIC CHEMISTRY.

Journal Article · July 1, 1984 The role of heterogeneous reactions and processes in the troposphere has been critically assessed by a group of 30 experts from government, universities, and industry. The results of this assessment, including identification and prioritization of a number ... Cite

THE PHOTOCHEMISTRY OF A REMOTE MARINE STRATIFORM CLOUD

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES · 1984 Cite

The photochemistry of a remote marine stratiform cloud.

Journal Article Journal of Geophysical Research · January 1, 1984 The coupled gas- and aqueous-phase photochemistry of a stratiform cloud in a remote region of the marine atmosphere is investigated with a time-dependent box model. Both scavenging of ambient acidic aerosols and gases as well as aqueous-phase chemical reac ... Full text Cite

Lightning: Estimates of the rates of energy dissipation and nitrogen fixation

Journal Article Reviews of Geophysics · January 1, 1984 The global rate of production of atmospheric NO is given by the product of the lightning energy dissipation rate and the NO yield per joule of discharge. A value for the global average energy dissipation rate is derived from the energy per flash and the gl ... Full text Cite

Atmospheric chemistry: Increasing atmospheric methane

Journal Article Nature · December 1, 1983 Full text Cite

Aqueous-phase source of formic acid in clouds

Journal Article Nature · December 1, 1983 The concern over the environmental effects of acidic rain has increased the interest in understanding the processes which control the acidity of cloud and rainwater1-6. In regions affected by anthropogenic emissions, H 2SO4 and HNO3 are most often responsi ... Full text Cite

COUPLED GAS-PHASE/AQUEOUS PHASE FREE RADICAL CHEMISTRY OF A CLOUD.

Journal Article · December 1, 1983 Cite

NONURBAN TROPOSPHERE COMPOSITION SYMPOSIUM - PREFACE

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS AND ATMOSPHERES · 1983 Cite

ATMOSPHERIC CHEMISTRY - GOLDBERG,ED

Journal Article NATURE · 1983 Cite

CORRECTION

Journal Article NATURE · 1983 Cite

Measuring atmospheric gases and aerosols

Journal Article Nature · December 1, 1982 Full text Cite

H2O2 levels in rainwater collected in south Florida and the Bahama Islands.

Journal Article Journal of Geophysical Research · January 1, 1982 The data suggest that a substantial fraction of the H2O2 found in precipitation is generated by aqueous-phase reactions within the cloudwater rather than via rainout and washout of gaseous H2O2. -from Authors ... Full text Cite

CHEMISTRY IN THE TROPOSPHERE

Journal Article CHEMICAL \& ENGINEERING NEWS · 1982 Cite

THE FREE-RADICAL CHEMISTRY OF CLOUD DROPLETS AND ITS IMPACT UPON THE COMPOSITION OF RAIN

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS AND ATMOSPHERES · 1982 Cite

H2O2 LEVELS IN RAINWATER COLLECTED IN SOUTH FLORIDA AND THE BAHAMA ISLANDS

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS AND ATMOSPHERES · 1982 Cite

H₂O₂ levels in rainwater collected in south Florida and the Bahama Islands.

Journal Article Journal of Geophysical Research · 1982 The data suggest that a substantial fraction of the H2O2 found in precipitation is generated by aqueous-phase reactions within the cloudwater rather than via rainout and washout of gaseous H2O2. -from Authors ... Cite

The free radical chemistry of cloud droplets and its impact upon the composition of rain.

Journal Article Journal of Geophysical Research · January 1, 1982 Calculations are presented that simulate the free radical chemistries of the gas phase and aqueous phase within a warm cloud during midday. It is demonstrated that in the presence of midday solar fluxes the heterogeneous scavenging of OH and HO2 from the g ... Full text Cite

Rates of fixation by lightning of carbon and nitrogen in possible primitive atmospheres.

Journal Article Origins of life · December 1981 A thermochemical-hydrodynamic model of the production of trace species by electrical discharges has been used to estimate the rates of fixation of C and N by lightning in the primitive atmosphere. Calculations for various possible mixtures of CH4, CO2, CO, ... Full text Cite

REPORT OF THE NASA WORKING GROUP ON TROPOSPHERIC PROGRAM PLANNING.

Journal Article NASA Reference Publication · April 1, 1981 This report presents the scientific rationale and research activities recommended for NASA by the NASA Working Group on Tropospheric Program Planning established in 1978. The report identifies the major scientific question in tropospheric pollution, points ... Cite

REPORT OF THE NASA WORKING GROUP ON TROPOSPHERIC PROGRAM PLANNING.

Kepler's third law

Journal Article American Journal of Physics · January 1, 1981 Full text Cite

REPORT OF THE NASA WORKING GROUP ON TROPOSPHERIC PROGRAM PLANNING.

Journal Article NASA Reference Publication · January 1, 1981 This report presents the scientific rationale and research activities recommended for NASA by the NASA Working Group on Tropospheric Program Planning established in 1978. The report identifies the major scientific question in tropospheric pollution, points ... Cite

THE TWO-DIMENSIONAL DIAGNOSTIC MODEL FOR TROPOSPHERIC OH - AN UNCERTAINTY ANALYSIS

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS AND ATMOSPHERES · 1981 Cite

KEPLERS 3RD LAW

Journal Article AMERICAN JOURNAL OF PHYSICS · 1981 Cite

POTENTIAL ROLE OF CS2 PHOTO-OXIDATION IN TROPOSPHERIC SULFUR CHEMISTRY

Journal Article GEOPHYSICAL RESEARCH LETTERS · 1981 Cite

The two-dimensional diagnostic model for tropospheric OH: an uncertainty analysis.

Journal Article Journal of Geophysical Research · January 1, 1981 Tropospheric OH is believed to play a major role in atmospheric photochemistry, and, via its chemical interactions, OH ultimately may affect the climate, stratospheric ozone levels, and the pH of rain. Uncertainties in parameters imply over a factor of 3 v ... Full text Cite

IODINE - ITS POSSIBLE ROLE IN TROPOSPHERIC PHOTOCHEMISTRY

Journal Article JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS AND ATMOSPHERES · 1980 Cite

Effect of variable energy input on nitrogen fixation in instantaneous linear discharges [7]

Journal Article Nature · December 1, 1979 ATMOSPHERIC nitrogen oxides are a central issue in the photochemistry of the troposphere, stratosphere and urban atmosphere. The removal of nitrogen oxides by precipitation is a source of fixed nitrogen to the biosphere. Thus the nitrogen fixation rate by ... Full text Cite

Possible chemical impact of planetary lightning in the atmospheres of Venus and Mars [2]

Journal Article Nature · December 1, 1979 THE importance of lightning as a source of trace gases in the Earth's atmosphere has long been recognised. In 1827, von Liebig proposed lightning as a source of atmospheric fixed nitrogen1 and recent investigations have supported this hypothesis2-7. In the ... Full text Cite

Actinometric measurements and theoretical calculations of j(O3)the rate of photolysis of ozone to O(¹D)

Journal Article Geophysical Research Letters · January 1, 1979 A new experimental technique measures j(O3‐O(¹D))the rate of solar photolysis of ozone to singlet oxygen atoms: O3 + hν → O2 + O(¹D). A flow actinometer carries dilute O3 in N2O into direct sunlight where the O(¹D) formed reacts with N2O to form NO which c ... Full text Cite

IMPLICATIONS OF CO PRODUCTION IN ELECTRICAL DISCHARGES

Journal Article GEOPHYSICAL RESEARCH LETTERS · 1979 Cite

N2O AND CO PRODUCTION BY ELECTRIC-DISCHARGE - ATMOSPHERIC IMPLICATIONS

Journal Article GEOPHYSICAL RESEARCH LETTERS · 1979 Cite

A perturbative treatment of aerosol scattering of infrared radiation.

Journal Article Journal of the Atmospheric Sciences · January 1, 1979 Calculations of longwave, atmospheric heating and cooling rates using the rate equations of Rodgers and Walshaw (1966) with the Malkmus (1967) random band model are presented. A perturbation scheme is developed for the inclusion of aerosol scattering effec ... Full text Cite