Search Results - "HOPPEL, W. A"

Surface source function for sea-salt aerosol and aerosol dry deposition to the ocean surface by Hoppel, W. A., Frick, G. M., Fitzgerald, J. W.

“…The dry deposition velocity for a uniform surface source of particles, such as sea‐salt aerosol, is shown to be fundamentally different than that for a source…”
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Particle deposition on water: Surface source versus upwind source by Hoppel, W. A., Caffrey, P. F., Frick, G. M.

“…The deposition velocity for aerosols on natural water surfaces is investigated with emphasis (1) on the difference between the deposition of particles that…”
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Airship Measurements of Aerosol Size Distributions, Cloud Droplet Spectra, and Trace Gas Concentrations in the Marine Boundary Layer by Frick, G. M., Hoppel, W. A.

“…The use of an airship as a platform to conduct atmospheric chemistry, aerosol, and cloud microphysical research is described, and results from demonstration…”
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A one-dimensional sectional model to simulate multicomponent aerosol dynamics in the marine boundary layer: 1. Model description by Fitzgerald, James W., Hoppel, William A., Gelbard, Fred

“…A one‐dimensional, multicomponent sectional model has been developed to simulate the temporal and vertical variations of the aerosol size distribution and…”
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A one-dimensional sectional model to simulate multicomponent aerosol dynamics in the marine boundary layer: 2. Model application by Fitzgerald, James W., Marti, James J., Hoppel, William A., Frick, Glendon M., Gelbard, Fred

“…The dynamics of aerosols in the marine boundary layer (MBL) are simulated with the marine boundary layer aerosol model (MARBLES), a one‐dimensional,…”
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A one-dimensional sectional model to simulate multicomponent aerosol dynamics in the marine boundary layer: 3. Numerical methods and comparisons with exact solutions by Gelbard, Fred, Fitzgerald, James W., Hoppel, William A.

“…We present the theoretical framework and computational methods that were used by Fitzgerald et al. [this issue (a), (b)] describing a one‐dimensional sectional…”
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Airship Measurements of Hydrogen Peroxide and Related Parameters in the Marine Atmosphere Along the Western U.S. Coast by Genfa, Zhang, Dasgupta, Purnendu K., Frick, Glenn M., Hoppel, William A.

“…Hydrogen peroxide remains a key species of interest, in both the polluted and the unpolluted atmosphere. While many studies exist, the vertical distribution of…”
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Particle deposition on water : Surface source versus upwind source by HOPPEL, W. A, CAFFREY, P. F, FRICK, G. M

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Surface source function for sea-salt aerosol and aerosol dry deposition to the ocean surface by HOPPEL, W. A, FRICK, G. M, FITZGERALD, J. W

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Measurement of the mobility distribution of tropospheric ions by Hoppel, W. A.

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Altitude variations in the electrical potential resulting from orographic features by Hoppel, W. A.

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Oxidation of S(IV) in sea-salt aerosol at high pH: Ozone versus aerobic reaction by Hoppel, William A., Caffrey, Peter F.

“…The oxidation of dissolved SO2 (as S(IV)) by dissolved O3 is known to increase rapidly with pH and is generally thought to be the mechanism responsible for the…”
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Accuracy Limitations on CCN Measurements with Thermal Gradient Diffusion Chambers by Hoppel, W. A., Wojciechowski, T. A.

“…Limitations on the accuracy of CCN counts obtained with thermal gradient diffusion cloud chambers (TGDCC) are discussed. Evidence presented here regarding 1)…”
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A one-dimensional sectional model to simulate multicomponent aerosol dynamics in the marine boundary layer 3. Numerical methods and comparisons with exact solutions by Gelbard, F, Fitzgerald, J W, Hoppel, WA

“…We present the theoretical framework and computational methods that were used by Fitzgerald et al. [this issue (a), (b)] describing a one-dimensional sectional…”
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A one-dimensional sectional model to simulate multicomponent aerosol dynamics in the marine boundary layer 1. Model description by Fitzgerald, J W, Hoppel, WA, Gelbard, F

“…A one-dimensional, multicomponent sectional model has been developed to simulate the temporal and vertical variations of the aerosol size distribution and…”
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Application of three-body recombination and attachment coefficients to tropospheric ions by Hoppel, W. A.

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A one-dimensional sectional model to simulate multicomponent aerosol dynamics in the marine boundary layer 2. Model application by Fitzgerald, J W, Marti, J J, Hoppel, WA, Frick, G M, Gelbard, F

“…The dynamics of aerosols in the marine boundary layer (MBL) are simulated with the marine boundary layer aerosol model (MARBLES), a one-dimensional,…”
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Radon 222 measurements below 4 km as related to atmospheric convection by Larson, R. E., Hoppel, W. A.

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A Comparison of Two CCN Counters by Hudson, James G., Hoppel, W. A., Wojciechowski, T. A.

“…A number of careful laboratory comparisons were made between two very different CCN counters. The two instruments gave consistent results which were within…”
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