Search Results - "Stunder, B. J. B."

NOAA’S HYSPLIT ATMOSPHERIC TRANSPORT AND DISPERSION MODELING SYSTEM by Stein, A. F., Draxler, R. R., Rolph, G. D., Stunder, B. J. B., Cohen, M. D., Ngan, F.

“…The Hybrid Single-Particle Lagrangian Integrated Trajectory model (HYSPLIT), developed by NOAA’s Air Resources Laboratory, is one of the most widely used…”
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Initializing HYSPLIT with satellite observations of volcanic ash: A case study of the 2008 Kasatochi eruption by Crawford, Alice M., Stunder, Barbara J. B., Ngan, Fong, Pavolonis, Michael J.

“…The current work focuses on improving volcanic ash forecasts by integrating satellite observations of ash into the Lagrangian transport and dispersion model,…”
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Source location of air pollution and cardiac autonomic function: Trajectory cluster analysis for exposure assessment by Park, Sung Kyun, O'Neill, Marie S, Stunder, Barbara J B, Vokonas, Pantel S, Sparrow, David, Koutrakis, Petros, Schwartz, Joel

“…Although many studies report that exposure to air pollution harms health, few have examined associations between pollution sources and health outcomes. We…”
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An Assessment of the Quality of Forecast Trajectories by Stunder, Barbara J. B.

“…Forecast and "analysis" (reference) trajectories were computed from six sites over North America at three altitudes (500, 1000, and 1500 m above ground) twice…”
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A multidisciplinary effort to assign realistic source parameters to models of volcanic ash-cloud transport and dispersion during eruptions by Mastin, L.G., Guffanti, M., Servranckx, R., Webley, P., Barsotti, S., Dean, K., Durant, A., Ewert, J.W., Neri, A., Rose, W.I., Schneider, D., Siebert, L., Stunder, B., Swanson, G., Tupper, A., Volentik, A., Waythomas, C.F.

“…During volcanic eruptions, volcanic ash transport and dispersion models (VATDs) are used to forecast the location and movement of ash clouds over hours to days…”
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The impact of changing nitrogen oxide emissions on wet and dry nitrogen deposition in the northeastern USA by Butler, Thomas J., Likens, Gene E., Vermeylen, Francoise M., Stunder, Barbara J.B.

“…This study is an attempt to quantify the relation between changes in NO x emissions and nitric acid (HNO 3) in the northeastern USA. From this relation, and…”
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Preliminary sensitivity study of eruption source parameters for operational volcanic ash cloud transport and dispersion models — A case study of the August 1992 eruption of the Crater Peak vent, Mount Spurr, Alaska by Webley, P.W., Stunder, B.J.B., Dean, K.G.

“…Ash clouds are one of the major hazards that result from volcanic eruptions. Once an eruption is reported, volcanic ash transport and dispersion (VATD) models…”
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SUPPLEMENT: DETAILED DESCRIPTION OF THE MODEL UPDATES by Stein, A. F., Draxler, R. R., Rolph, G. D., Stunder, B. J. B., Cohen, M. D., Ngan, F.

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Long-Range Forecast Trajectories of Volcanic Ash from Redoubt Volcano Eruptions by Heffter, Jerome L., Stunder, Barbara J. B., Rolph, Glenn D.

“…The Redoubt Volcano in Alaska began a series of eruptions on 14 December 1989. Volcanic ash was often reported to reach heights where, as it moved with the…”
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A pervasive role for biomass burning in tropical high ozone/low water structures by Anderson, Daniel C., Nicely, Julie M., Salawitch, Ross J., Canty, Timothy P., Dickerson, Russell R., Hanisco, Thomas F., Wolfe, Glenn M., Apel, Eric C., Atlas, Elliot, Bannan, Thomas, Bauguitte, Stephane, Blake, Nicola J., Bresch, James F., Campos, Teresa L., Carpenter, Lucy J., Cohen, Mark D., Evans, Mathew, Fernandez, Rafael P., Kahn, Brian H., Kinnison, Douglas E., Hall, Samuel R., Harris, Neil R.P., Hornbrook, Rebecca S., Lamarque, Jean-Francois, Le Breton, Michael, Lee, James D., Percival, Carl, Pfister, Leonhard, Pierce, R. Bradley, Riemer, Daniel D., Saiz-Lopez, Alfonso, Stunder, Barbara J.B., Thompson, Anne M., Ullmann, Kirk, Vaughan, Adam, Weinheimer, Andrew J.

“…Air parcels with mixing ratios of high O 3 and low H 2 O (HOLW) are common features in the tropical western Pacific (TWP) mid-troposphere (300–700 hPa). Here,…”
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Modeling the CAPTEX Vertical Tracer Concentration Profiles by Draxler, Roland R., Stunder, Barbara J. B.

“…Perfluorocarbon tracer concentration profiles measured by aircraft 600–900 km downwind of the release locations during CAPTEX are discussed and compared with…”
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Preliminary sensitivity study of eruption source parameters for operational volcanic ash cloud transport and dispersion models ― A case study of the August 1992 eruption of the Crater Peak vent, Mount Spurr, Alaska: Improved Prediction and Tracking of Volcanic Ash Clouds by WEBLEY, P. W, STUNDER, BJ. B, DEAN, K. G

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The relation between NOx emissions and precipitation NO3- in the eastern USA by BUTLER, Thomas J, LIKENS, Gene E, VERMEYLEN, Francoise M, STUNDER, Barbara J. B

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Evaluation of the RAMS model for estimating turbulent fluxes over the Chesapeake Bay by McQueen, J.T., Valigura, R.A., Stunder, B.J.B.

“…This study has examined the ability of a mesoscale model to compute pollutant deposition velocity and surface fluxes over water with the accuracy needed for…”
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Regional-scale impacts of Phase I of the Clean Air Act Amendments in the USA: the relation between emissions and concentrations, both wet and dry: Placing atmospheric environment in a regional context: North America by BUTLER, Thomas J, LIKENS, Gene E, STUNDER, Barbara J. B

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Regional-scale impacts of Phase I of the Clean Air Act Amendments in the USA: the relation between emissions and concentrations, both wet and dry by Butler, Thomas J, Likens, Gene E, Stunder, Barbara J.B

“…A comparison of data records in the 1990s, both before (1991–1994) and after (1995–1997) implementation of Phase I of the Clean Air Act Amendments (CAAA) of…”
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The Relation Between NO sub(x) Emissions and Precipitation NO sub(3) super(-) in the Eastern USA by Butler, Thomas J, Likens, Gene E, Vermeylen, Francoise M, Stunder, Barbara JB

“…Nitrogen oxides emission data categorized by major sectors were used with precipitation chemistry data derived from the NADP/NTN and NADP/AIRMoN networks to…”
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Long-Range Forecast Trajectories of Volcanic Ash from Redoubt Ash from Redoubt Volcano Eruptions by Heffter, Jerome L., Stunder, Barbara J. B., Rolph, Glenn D.

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