Acid Deposition at High Elevation Sites

I Modelling Cloud Chemistry and Deposition.- Atmospheric Chemistry at Elevated Sites — A Discussion of the Processes Involved and the Limits of Current Understanding.- Meteorological and Chemical Factors Influencing Cloud-Water Composition in a Non-Precipitating, Liquid- Water Updraft.- Photochemical Production of Carboxylic Acids in a Remote Continental Atmosphere.- Sulphur Scavenging in a Mesoscale Model with Quasi-Spectral Microphysics.- II Cloud and Rain Chemistry: Process Studies.- Physical Influences of Altitude on the Chemical Properties of Clouds and of Water Deposited From the Troposphere.- Measurements of the Short-Term Variability of Aqueous-Phase Mass Concentrations in Cloud Droplets.- Processes Determining Cloudwater Composition: Inferences from Field Measurements.- Cloud Microphysical Processes Relevant to Cloud Chemistry.- Modelling Wet Deposition Onto Elevated Topography.- Cloud Chemistry Research at Great Dun Fell.- Measurements of Ambient SO2 And H2O2 At Great Dun Fell and Evidence of Their Reaction in Cloud.- Wet Deposition and Altitude, The Role of Orographic Cloud.- Time Resolution in Precipitation and Cloud Sampling.- Controlled Chemical Kinetic Experiments in Cloud: A Review of the CERL/UMIST Great Dun Fell Project.- Physics of Cloudwater Deposition and Evaporation at Castlelaw, S.E. Scotland.- A Comparison of Methods for Estimating Cloud Water Deposition To A New Hampshire (USA) Subalpine Forest.- III Cloud and Rain Chemistry: Monitoring Studies.- A Comparison of Atmospheric Exposure Conditions at High-and Low-Elevation Forests in the Southern Appalachian Mountain Range.- Chemical Concentrations in Cloud Water from Four Sites in the Eastern United States.- Measurements of the Properties of High Elevation Fog in Quebec, Canada.- Experiment Alsdan (1985): Some Preliminary Results of Height Resolved Measurements of Trace Gases, Aerosol Composition, Cloud- and Precipitation Water.- Chemistry of Cloud Water and Precipitation at an Alpine Mountain Station.- Measurements of the Chemical Composition in Cloud and Fogwater.- Chemical Composition of Wet Deposition in he Eastern Alpine Region.- Concentration Gradients in Atmospheric Precipitation in Areas of High Annual Precipitation.- Fog Chemistry and Deposition in the Po Valley, Italy.- IV Dry, Wet and Occult Deposition.- Particles in Orographic Cloud and the Implications of Their Transfer to Plant Surfaces.- High Efficiency Annular Denuders for the Determination of Species Responsible For Atmospheric Acidity.- A Fog Chamber and Wind Tunnel Facility for Calibration of Cloud Water Collectors.- Chemical Composition of Bulk Atmospheric Deposition to Snow at Col De Le Brenva (MT Blanc Area).- Chemical Composition of the Seasonal Snowcover at a Southern French Alps Site: Some Preliminary Results.- Chemical Composition of Snow in the Remote Scottish Highlands.- Measuring and Modelling Dry Deposition in Mountainous Areas.- Numerical Simulation of SO2 Concentration and Dry Deposition Fields in the Tulla Experiment.- A New Instrument for SO2 Eddy Flux Measurements.- Gaseous Deposition of SO2, NOx and O3 to a Spruce Stand in the National Park “Bayerischer Wald”.- V Processes at the Surface.- Deposition Rates of Airborne Substances to Forest Canopies in Relation to Surface Structure.- A Simple and Appropriate Method for the Assessment of Total Atmospheric Deposition in Forest Ecosystem Monitoring.- Observations on Wet and Dry Deposition to Foliage at a High Elevation Site.- Chemical Interactions Between Cloud Droplets and Trees.- Chemical and Physical Processes in Acid Rain Drops on Leaf Surfaces.- Author Index.