Search Results - "Stehr, W."

Observed relationships of ozone air pollution with temperature and emissions by Bloomer, Bryan J., Stehr, Jeffrey W., Piety, Charles A., Salawitch, Ross J., Dickerson, Russell R.

“…Higher temperatures caused by increasing greenhouse gas concentrations are predicted to exacerbate photochemical smog if precursor emissions remain constant…”
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Evaluation of GEOS-5 sulfur dioxide simulations during the Frostburg, MD 2010 field campaign by Buchard, V, da Silva, A. M, Colarco, P, Krotkov, N, Dickerson, R. R, Stehr, J. W, Mount, G, Spinei, E, Arkinson, H. L, He, H

“…Sulfur dioxide (SO2) is a major atmospheric pollutant with a strong anthropogenic component mostly produced by the combustion of fossil fuel and other…”
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Trends in emissions and concentrations of air pollutants in the lower troposphere in the Baltimore/Washington airshed from 1997 to 2011 by He, H, Stehr, J. W, Hains, J. C, Krask, D. J, Doddridge, B. G, Vinnikov, K. Y, Canty, T. P, Hosley, K. M, Salawitch, R. J, Worden, H. M, Dickerson, R. R

“…Trends in the composition of the lower atmosphere (0–1500 m altitude) and surface air quality over the Baltimore/Washington area and surrounding states were…”
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Aircraft observations of dust and pollutants over northeast China: Insight into the meteorological mechanisms of transport by Dickerson, R. R., Li, C., Li, Z., Marufu, L. T., Stehr, J. W., McClure, B., Krotkov, N., Chen, H., Wang, P., Xia, X., Ban, X., Gong, F., Yuan, J., Yang, J.

“…The meteorological mechanisms for lofting trace gases and aerosols out of the planetary boundary layer (PBL) into the free troposphere are key to understanding…”
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In situ measurements of trace gases and aerosol optical properties at a rural site in northern China during East Asian Study of Tropospheric Aerosols: An International Regional Experiment 2005 by Li, Can, Marufu, Lackson T., Dickerson, Russell R., Li, Zhanqing, Wen, Tianxue, Wang, Yuesi, Wang, Pucai, Chen, Hongbin, Stehr, Jeffrey W.

“…In situ measurements of trace gases and aerosol optical properties were made in March 2005 at Xianghe (39.798°N, 116.958°E, 35 m), a rural site about 70 km…”
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Aircraft vertical profiles of trace gas and aerosol pollution over the mid-Atlantic United States: Statistics and meteorological cluster analysis by Taubman, B. F., Hains, J. C., Thompson, A. M., Marufu, L. T., Doddridge, B. G., Stehr, J. W., Piety, C. A., Dickerson, R. R.

“…From 1997 to 2003, airborne measurements of O3, CO, SO2, and aerosol properties were made during summertime air pollution episodes over the mid‐Atlantic United…”
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Minimizing Unnecessary Parenteral Nutrition After Appendectomy in Children by Bell, R.L, Stehr, W

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New methodology for estimating biofuel consumption for cooking: Atmospheric emissions of black carbon and sulfur dioxide from India by Habib, Gazala, Venkataraman, Chandra, Shrivastava, Manish, Banerjee, Rangan, Stehr, J. W., Dickerson, Russell R.

“…The dominance of biofuel combustion emissions in the Indian region, and the inherently large uncertainty in biofuel use estimates based on cooking energy…”
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Estimation of unmet need for inguinal hernia repair among infants in low- and middle-income countries by Tessler, R., Gupta, S., Stehr, W., Ameh, E.A., Nwomeh, B., Kushner, A., Rothstein, D.

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Origins of chemical pollution derived from Mid-Atlantic aircraft profiles using a clustering technique by Hains, Jennifer C., Taubman, Brett F., Thompson, Anne M., Stehr, Jeffrey W., Marufu, Lackson T., Doddridge, Bruce G., Dickerson, Russell R.

“…Upwind sources of NO x and SO 2 play a crucial role in the amount of O 3 and aerosols in the lower troposphere in the Mid-Atlantic US. This paper describes a…”
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The sensitivity of modeled ozone to the temporal distribution of point, area, and mobile source emissions in the eastern United States by Castellanos, Patricia, Stehr, Jeffrey W., Dickerson, Russell R., Ehrman, Sheryl H.

“…Ozone remains one of the most recalcitrant air pollution problems in the US. Hourly emissions fields used in air quality models (AQMs) generally show less…”
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The 2003 North American electrical blackout: An accidental experiment in atmospheric chemistry by Marufu, Lackson T., Taubman, Brett F., Bloomer, Bryan, Piety, Charles A., Doddridge, Bruce G., Stehr, Jeffrey W., Dickerson, Russell R.

“…The August 2003 North American electrical blackout provided a unique opportunity to quantify directly the contribution of power plants to regional haze and O3…”
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Higher surface ozone concentrations over the Chesapeake Bay than over the adjacent land: Observations and models from the DISCOVER-AQ and CBODAQ campaigns by Goldberg, Daniel L., Loughner, Christopher P., Tzortziou, Maria, Stehr, Jeffrey W., Pickering, Kenneth E., Marufu, Lackson T., Dickerson, Russell R.

“…Air quality models, such as the Community Multiscale Air Quality (CMAQ) model, indicate decidedly higher ozone near the surface of large interior water bodies,…”
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Bay Breeze Influence on Surface Ozone at Edgewood, MD During July 2011 by Stauffer, Ryan M., Thompson, Anne M., Martins, Douglas K., Clark, Richard D., Goldberg, Daniel L., Loughner, Christopher P., Delgado, Ruben, Dickerson, Russell R., Stehr, Jeffrey W., Tzortziou, Maria A.

“…Surface ozone (O3) was analyzed to investigate the role of the bay breeze on air quality at two locations in Edgewood, Maryland (lat: 39.4deg, lon: −76.3deg)…”
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Bulk and size-segregated aerosol composition observed during INDOEX 1999: Overview of meteorology and continental impacts by Ball, W. P., Dickerson, R. R., Doddridge, B. G., Stehr, J. W., Miller, T. L., Savoie, D. L., Carsey, T. P.

“…Bulk and size‐segregated aerosol samples were collected from the NOAA R/V Ronald H. Brown as it cruised from Cape Town, South Africa, through the Indian Ocean…”
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Relationship between column-density and surface mixing ratio: Statistical analysis of O3 and NO2 data from the July 2011 Maryland DISCOVER-AQ mission by Flynn, Clare M., Pickering, Kenneth E., Crawford, James H., Lamsal, Lok, Krotkov, Nickolay, Herman, Jay, Weinheimer, Andrew, Chen, Gao, Liu, Xiong, Szykman, James, Tsay, Si-Chee, Loughner, Christopher, Hains, Jennifer, Lee, Pius, Dickerson, Russell R., Stehr, Jeffrey W., Brent, Lacey

“…To investigate the ability of column (or partial column) information to represent surface air quality, results of linear regression analyses between surface…”
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Atmospheric mercury measurements at a suburban site in the Mid-Atlantic United States: Inter-annual, seasonal and diurnal variations and source-receptor relationships by Ren, Xinrong, Luke, Winston T., Kelley, Paul, Cohen, Mark D., Artz, Richard, Olson, Mark L., Schmeltz, David, Puchalski, Melissa, Goldberg, Daniel L., Ring, Allison, Mazzuca, Gina M., Cummings, Kristin A., Wojdan, Lisa, Preaux, Sandra, Stehr, Jeff W.

“…Different atmospheric mercury forms have been measured at a suburban site in Beltsville, Maryland in the Mid-Atlantic United States since 2007 to investigate…”
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Reply to comment by D. A. Hansen et al. on “The 2003 North American electrical blackout: An accidental experiment in atmospheric chemistry” by Marufu, Lackson T., Taubman, Brett F., Bloomer, Bryan, Piety, Charles A., Doddridge, Bruce G., Stehr, Jeffrey W., Dickerson, Russell R.

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An elevated reservoir of air pollutants over the Mid-Atlantic States during the 2011 DISCOVER-AQ campaign: Airborne measurements and numerical simulations by He, Hao, Loughner, Christopher P., Stehr, Jeffrey W., Arkinson, Heather L., Brent, Lacey C., Follette-Cook, Melanie B., Tzortziou, Maria A., Pickering, Kenneth E., Thompson, Anne M., Martins, Douglas K., Diskin, Glenn S., Anderson, Bruce E., Crawford, James H., Weinheimer, Andrew J., Lee, Pius, Hains, Jennifer C., Dickerson, Russell R.

“…During a classic heat wave with record high temperatures and poor air quality from July 18 to 23, 2011, an elevated reservoir of air pollutants was observed…”
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Evaluation of the use of a commercially available cavity ringdown absorption spectrometer for measuring NO2 in flight, and observations over the Mid-Atlantic States, during DISCOVER-AQ by Brent, L. C., Thorn, W. J., Gupta, M., Leen, B., Stehr, J. W., He, H., Arkinson, H. L., Weinheimer, A., Garland, C., Pusede, S. E., Wooldridge, P. J., Cohen, R. C., Dickerson, R. R.

“…Real time, atmospheric NO 2 column profiles over the Mid-Atlantic states, during the July 2011 National Aeronautics and Space Administration (NASA) Deriving…”
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