Search Results - "Pierce, J R"

Large contribution of natural aerosols to uncertainty in indirect forcing by Carslaw, K. S., Lee, L. A., Reddington, C. L., Pringle, K. J., Rap, A., Forster, P. M., Mann, G. W., Spracklen, D. V., Woodhouse, M. T., Regayre, L. A., Pierce, J. R.

“…The effect of anthropogenic aerosols on cloud droplet concentrations and radiative properties is the source of one of the largest uncertainties in the…”
Get full text

Uncertainty in global CCN concentrations from uncertain aerosol nucleation and primary emission rates by Pierce, J. R., Adams, P. J.

“…The indirect effect of aerosols on climate is highly uncertain and limits our ability to assess anthropogenic climate change. The foundation of this…”
Get full text

The magnitude and causes of uncertainty in global model simulations of cloud condensation nuclei by Lee, L. A, Pringle, K. J, Reddington, C. L, Mann, G. W, Stier, P, Spracklen, D. V, Pierce, J. R, Carslaw, K. S

“…Aerosol–cloud interaction effects are a major source of uncertainty in climate models so it is important to quantify the sources of uncertainty and thereby…”
Get full text

Can cosmic rays affect cloud condensation nuclei by altering new particle formation rates? by Pierce, J. R., Adams, P. J.

“…Although controversial, many observations have suggested that low‐level cloud cover correlates with the cosmic ray flux. Because galactic cosmic rays have…”
Get full text

Future Fire Impacts on Smoke Concentrations, Visibility, and Health in the Contiguous United States by Ford, B., Val Martin, M., Zelasky, S. E., Fischer, E. V., Anenberg, S. C., Heald, C. L., Pierce, J. R.

“…Fine particulate matter (PM2.5) from U.S. anthropogenic sources is decreasing. However, previous studies have predicted that PM2.5 emissions from wildfires…”
Get full text

Analysis of feedbacks between nucleation rate, survival probability and cloud condensation nuclei formation by Westervelt, D. M, Pierce, J. R, Adams, P. J

“…Aerosol nucleation is an important source of particle number in the atmosphere. However, in order to become cloud condensation nuclei (CCN), freshly nucleated…”
Get full text

Ultrabright Electron Bunch Injection in a Plasma Wakefield Driven by a Superluminal Flying Focus Electron Beam by Li, F, Dalichaouch, T N, Pierce, J R, Xu, X, Tsung, F S, Lu, W, Joshi, C, Mori, W B

“…We propose a new method for self-injection of high-quality electron bunches in the plasma wakefield structure in the blowout regime utilizing a "flying focus"…”
Get full text

Nocturnal non-invasive nasal ventilation in stable hypercapnic COPD: a randomised controlled trial by McEvoy, R D, Pierce, R J, Hillman, D, Esterman, A, Ellis, E E, Catcheside, P G, O'Donoghue, F J, Barnes, D J, Grunstein, R R

“…Sleep hypoventilation has been proposed as a cause of progressive hypercapnic respiratory failure and death in patients with severe chronic obstructive…”
Get more information

Contribution of Arctic seabird-colony ammonia to atmospheric particles and cloud-albedo radiative effect by Croft, B., Wentworth, G. R., Martin, R. V., Leaitch, W. R., Murphy, J. G., Murphy, B. N., Kodros, J. K., Abbatt, J. P. D., Pierce, J. R.

“…The Arctic region is vulnerable to climate change and able to affect global climate. The summertime Arctic atmosphere is pristine and strongly influenced by…”
Get full text

Assessing the Influence of Secondary Organic versus Primary Carbonaceous Aerosols on Long-Range Atmospheric Polycyclic Aromatic Hydrocarbon Transport by Friedman, C. L, Pierce, J. R, Selin, N. E

“…We use the chemical transport model GEOS-Chem to evaluate the hypothesis that atmospheric polycyclic aromatic hydrocarbons (PAHs) are trapped in secondary…”
Get full text

Investigation of particle and vapor wall-loss effects on controlled wood-smoke smog-chamber experiments by Bian, Q, May, A A, Kreidenweis, S M, Pierce, J R

“…Smog chambers are extensively used to study processes that drive gas and particle evolution in the atmosphere. A limitation of these experiments is that…”
Get full text

Evaluation of observed and modelled aerosol lifetimes using radioactive tracers of opportunity and an ensemble of 19 global models by Kristiansen, N. I, Stohl, A, Olivié, D. J. L, Croft, B, Søvde, O. A, Klein, H, Christoudias, T, Kunkel, D, Leadbetter, S. J, Lee, Y. H, Zhang, K, Tsigaridis, K, Bergman, T, Evangeliou, N, Wang, H, Ma, P.-L, Easter, R. C, Rasch, P. J, Liu, X, Pitari, G, Di Genova, G, Zhao, S. Y, Balkanski, Y, Bauer, S. E, Faluvegi, G. S, Kokkola, H, Martin, R. V, Pierce, J. R, Schulz, M, Shindell, D, Tost, H, Zhang, H

“…Aerosols have important impacts on air quality and climate, but the processes affecting their removal from the atmosphere are not fully understood and are…”
Get full text

Efficiency of cloud condensation nuclei formation from ultrafine particles by Pierce, J. R., Adams, P. J.

“…Atmospheric cloud condensation nuclei (CCN) concentrations are a key uncertainty in the assessment of the effect of anthropogenic aerosol on clouds and…”
Get full text

Organic condensation: a vital link connecting aerosol formation to cloud condensation nuclei (CCN) concentrations by Riipinen, I., Pierce, J. R., Yli-Juuti, T., Nieminen, T., Häkkinen, S., Ehn, M., Junninen, H., Lehtipalo, K., Petäjä, T., Slowik, J., Chang, R., Shantz, N. C., Abbatt, J., Leaitch, W. R., Kerminen, V.-M., Worsnop, D. R., Pandis, S. N., Donahue, N. M., Kulmala, M.

“…Atmospheric aerosol particles influence global climate as well as impair air quality through their effects on atmospheric visibility and human health…”
Get full text

Uncertainties in global aerosols and climate effects due to biofuel emissions by Kodros, J K, Scott, C E, Farina, S C, Lee, Y H, L'Orange, C, Volckens, J, Pierce, J R

“…Aerosol emissions from biofuel combustion impact both health and climate; however, while reducing emissions through improvements to combustion technologies…”
Get full text

Atmospheric Radiative and Oceanic Biological Productivity Responses to Increasing Anthropogenic Combustion‐Iron Emission in the 1850–2010 Period by Rathod, S. D., Hamilton, D. S., Li, L., Mahowald, N. M., Matsui, H., Pierce, J. R., Bond, T. C.

“…Anthropogenic emission is an important component of the present‐day iron cycle yet its long‐term impacts on climate are poorly understood. Iron mineralogy…”
Get full text

Aged boreal biomass-burning aerosol size distributions from BORTAS 2011 by Sakamoto, K. M, Allan, J. D, Coe, H, Taylor, J. W, Duck, T. J, Pierce, J. R

“…Biomass-burning aerosols contribute to aerosol radiative forcing on the climate system. The magnitude of this effect is partially determined by aerosol size…”
Get full text

Theoretical constraints on pure vapor-pressure driven condensation of organics to ultrafine particles by Donahue, N. M., Trump, E. R., Pierce, J. R., Riipinen, I.

“…Organic condensation to freshly nucleated particles contributes substantially to their growth. Here we explore a range of constraints on this process, under…”
Get full text

Quantification of the volatility of secondary organic compounds in ultrafine particles during nucleation events by Pierce, J. R., Riipinen, I., Kulmala, M., Ehn, M., Petäjä, T., Junninen, H., Worsnop, D. R., Donahue, N. M.

“…Condensation of secondary organic compounds onto ultrafine aerosols is important for growing these particles to sizes where they can act as cloud condensation…”
Get full text

Formation and growth of nucleated particles into cloud condensation nuclei: model–measurement comparison by Westervelt, D. M, Pierce, J. R, Riipinen, I, Trivitayanurak, W, Hamed, A, Kulmala, M, Laaksonen, A, Decesari, S, Adams, P. J

“…Aerosol nucleation occurs frequently in the atmosphere and is an important source of particle number. Observations suggest that nucleated particles are capable…”
Get full text