Search Results - "Coffman, D J"

Small fraction of marine cloud condensation nuclei made up of sea spray aerosol by Quinn, P. K., Coffman, D. J., Johnson, J. E., Upchurch, L. M., Bates, T. S.

“…Sea spray aerosols impact Earth’s radiation balance by directly scattering solar radiation. They also act as cloud condensation nuclei, thereby altering cloud…”
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Contribution of sea surface carbon pool to organic matter enrichment in sea spray aerosol by Quinn, Patricia K., Bates, Timothy S., Schulz, Kristen S., Coffman, D. J., Frossard, A. A., Russell, L. M., Keene, W. C., Kieber, D. J.

“…Breaking waves on the ocean surface generate air bubbles that scavenge organic matter from the surrounding sea water. When injected into the atmosphere, these…”
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Influence of particle size and chemistry on the cloud nucleating properties of aerosols by Quinn, P. K., Bates, T. S., Coffman, D. J., Covert, D. S.

“…The ability of an aerosol particle to act as a cloud condensation nuclei (CCN) is a function of the size of the particle, its composition and mixing state, and…”
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The sea breeze/land breeze circulation in Los Angeles and its influence on nitryl chloride production in this region by Wagner, N. L., Riedel, T. P., Roberts, J. M., Thornton, J. A., Angevine, W. M., Williams, E. J., Lerner, B. M., Vlasenko, A., Li, S. M., Dubé, W. P., Coffman, D. J., Bon, D. M., de Gouw, J. A., Kuster, W. C., Gilman, J. B., Brown, S. S.

“…The sea breeze/land breeze diurnal circulation within the Los Angeles Basin and adjacent waters transports marine air into the basin during the day and urban…”
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Verification and application of the extended spectral deconvolution algorithm (SDA+) methodology to estimate aerosol fine and coarse mode extinction coefficients in the marine boundary layer by Kaku, K C, Reid, J S, O'Neill, N T, Quinn, P K, Coffman, D J, Eck, T F

“…The spectral deconvolution algorithm (SDA) and SDA+ (extended SDA) methodologies can be employed to separate the fine and coarse mode extinction coefficients…”
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Aerosol optical properties measured on board the Ronald H. Brown during ACE-Asia as a function of aerosol chemical composition and source region by Quinn, P. K., Coffman, D. J., Bates, T. S., Welton, E. J., Covert, D. S., Miller, T. L., Johnson, J. E., Maria, S., Russell, L., Arimoto, R., Carrico, C. M., Rood, M. J., Anderson, J.

“…During the Asian Pacific Regional Aerosol Characterization Experiment (ACE‐Asia) intensive field campaign conducted in the spring of 2001, aerosol properties…”
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Dominance of organic aerosols in the marine boundary layer over the Gulf of Maine during NEAQS 2002 and their role in aerosol light scattering by Bates, T. S., Quinn, P. K., Coffman, D. J., Johnson, J. E., Middlebrook, A. M.

“…Aerosol chemical, physical, and optical measurements were made aboard the NOAA R/V Ronald H. Brown off the coast of New England from July 12 through August 10,…”
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Atmospheric sulfur cycling in the southeastern Pacific – longitudinal distribution, vertical profile, and diel variability observed during VOCALS-REx by Yang, M., Huebert, B. J., Blomquist, B. W., Howell, S. G., Shank, L. M., McNaughton, C. S., Clarke, A. D., Hawkins, L. N., Russell, L. M., Covert, D. S., Coffman, D. J., Bates, T. S., Quinn, P. K., Zagorac, N., Bandy, A. R., de Szoeke, S. P., Zuidema, P. D., Tucker, S. C., Brewer, W. A., Benedict, K. B., Collett, J. L.

“…Dimethylsulfide (DMS) emitted from the ocean is a biogenic precursor gas for sulfur dioxide (SO2) and non-sea-salt sulfate aerosols (SO42−). During the…”
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Spatial and diurnal variability in reactive nitrogen oxide chemistry as reflected in the isotopic composition of atmospheric nitrate: Results from the CalNex 2010 field study by Vicars, W. C., Morin, S., Savarino, J., Wagner, N. L., Erbland, J., Vince, E., Martins, J. M. F., Lerner, B. M., Quinn, P. K., Coffman, D. J., Williams, E. J., Brown, S. S.

“…Here we present measurements of the size‐resolved concentration and isotopic composition of atmospheric nitrate (NO3−) collected during a cruise in coastal…”
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Aerosol optical properties in the marine boundary layer during the First Aerosol Characterization Experiment (ACE 1) and the underlying chemical and physical aerosol properties by Quinn, P. K., Coffman, D. J., Kapustin, V. N., Bates, T. S., Covert, D. S.

“…Measurements were made onboard the NOAA R/V Discoverer during the First Aerosol Characterization Experiment (ACE 1) to understand the optical properties of a…”
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Variability in Marine Plankton Ecosystems Are Not Observed in Freshly Emitted Sea Spray Aerosol Over the North Atlantic Ocean by Bates, T. S., Quinn, P. K., Coffman, D. J., Johnson, J. E., Upchurch, L., Saliba, G., Lewis, S., Graff, J., Russell, L. M., Behrenfeld, M. J.

“…Sea spray aerosol (SSA) consists of both sea salt and organic components. These aerosols affect Earth's climate by scattering solar radiation and by altering…”
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Local closure during the First Aerosol Characterization Experiment (ACE 1): Aerosol mass concentration and scattering and backscattering coefficients by Quinn, P. K., Coffman, D. J.

“…The radiative effects of tropospheric aerosol particles are a complex function of the chemical, physical, and optical properties of the aerosol. Closure…”
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Aerosol optical properties during INDOEX 1999: Means, variability, and controlling factors by Quinn, P. K., Coffman, D. J., Bates, T. S., Miller, T. L., Johnson, J. E., Welton, E. J., Neusüss, C., Miller, M., Sheridan, P. J.

“…As part of the Indian Ocean Experiment (INDOEX) 1999 Intensive Field Phase, measurements of aerosol properties were made on board the R/V Ronald H. Brown in…”
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Effects of endothelium-derived nitric oxide on skin and digital blood flow in humans by Coffman, J D

“…The effects of NG-monomethyl-L-arginine (L-NMMA) on total finger and forearm, and dorsal finger and forearm skin, blood flows were studied in the basal state…”
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Pharmacological Concentrations of Ascorbic Acid Are Required for the Beneficial Effect on Endothelial Vasomotor Function in Hypertension by Sherman, Debra L, Keaney, John F, Biegelsen, Elizabeth S, Duffy, Stephen J, Coffman, Jay D, Vita, Joseph A

“…Increased production of superoxide anion may contribute to impaired bioactivity of endothelium-derived nitric oxide in hypertension. Ascorbic acid is capable…”
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Surface submicron aerosol chemical composition: What fraction is not sulfate? by Quinn, P. K., Bates, T. S., Miller, T. L., Coffman, D. J., Johnson, J. E., Harris, J. M., Ogren, J. A., Forbes, G., Anderson, T. L., Covert, D. S., Rood, M. J.

“…Measurements of submicron aerosol mass and the mass of major ionic components have been made over the past 5 years on cruises in the Pacific and Southern…”
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Dominant aerosol chemical components and their contribution to extinction during the Aerosols99 cruise across the Atlantic by Quinn, P. K., Coffman, D. J., Bates, T. S., Miller, T. L., Johnson, J. E., Voss, K., Welton, E. J., Neusüss, C.

“…The Aerosols99 cruise crossed the Atlantic Ocean from Norfolk, Virginia, to Cape Town, South Africa, during January and February of 1999. On the basis of back…”
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Seasonal Variations in Western North Atlantic Remote Marine Aerosol Properties by Quinn, P.K., Bates, T.S., Coffman, D.J., Upchurch, L., Johnson, J.E., Moore, R., Ziemba, L., Bell, T.G., Saltzman, E.S., Graff, J., Behrenfeld, M.J.

“…The impact of ocean ecosystems on marine boundary layer aerosols and clouds has been the subject of much research but remains uncertain. Five experiments were…”
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Wintertime Observations of Tropical Northwest Atlantic Aerosol Properties During ATOMIC: Varying Mixtures of Dust and Biomass Burning by Quinn, P. K., Bates, T. S., Coffman, D. J., Upchurch, L. M., Johnson, J. E., Brewer, A., Baidar, S., McCoy, I. L., Zuidema, P.

“…The Atlantic Tradewind Ocean‐Atmosphere Mesoscale Campaign (ATOMIC) took place from 7 January to 11 July 2020 in the tropical North Atlantic between the east…”
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Beta adrenergic-mediated vasodilator response to insulin in the human forearm by Creager, M A, Liang, C S, Coffman, J D

“…Insulin, in doses sufficient to cause systemic hypoglycemia, decreases vascular resistance; however, a vasoactive effect of insulin in humans, in the absence…”
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