Search Results - "Northway, MJ"

Aerosol scattering and absorption during the EUCAARI-LONGREX flights of the Facility for Airborne Atmospheric Measurements (FAAM) BAe-146: can measurements and models agree? by Highwood, E. J, Northway, M. J, McMeeking, G. R, Morgan, W. T, Liu, D, Osborne, S, Bower, K, Coe, H, Ryder, C, Williams, P

“…Scattering and absorption by aerosol in anthropogenically perturbed air masses over Europe has been measured using instrumentation flown on the UK's…”
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The Detection of Large HNO3-Containing Particles in the Winter Arctic Stratosphere by Fahey, D. W., Gao, R. S., Carslaw, K. S., Kettleborough, J., Popp, P. J., Northway, M. J., Holecek, J. C., Ciciora, S. C., McLaughlin, R. J., Thompson, T. L., Winkler, R. H., Baumgardner, D. G., Gandrud, B., Wennberg, P. O., Dhaniyala, S., McKinney, K., Th. Peter, Salawitch, R. J., Bui, T. P., Elkins, J. W., Webster, C. R., Atlas, E. L., Jost, H., Wilson, J. C., Herman, R. L., Kleinböhl, A., von König, M.

“…Large particles containing nitric acid (HNO3) were observed in the 1999/2000 Arctic winter stratosphere. These in situ observations were made over a large…”
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A vortex-scale simulation of the growth and sedimentation of large nitric acid hydrate particles by Carslaw, Kenneth S., Kettleborough, Jamie A., Northway, Megan J., Davies, Stewart, Gao, Ru-Shan, Fahey, David W., Baumgardner, Darrel G., Chipperfield, Martyn P., Kleinböhl, Armin

“…Nitric acid–containing particles with diameters of 10–20 μm were detected inside the Arctic polar vortex in the period January to March 2000. We present the…”
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Evaluation of the role of heterogeneous oxidation of alkenes in the detection of atmospheric acetaldehyde by Northway, M.J., de Gouw, J.A., Fahey, D.W., Gao, R.S., Warneke, C., Roberts, J.M., Flocke, F.

“…Unexpectedly high values for acetaldehyde have been observed in airborne measurements using a proton-transfer-reaction mass spectrometry instrument. The…”
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Severe and extensive denitrification in the 1999-2000 Arctic winter stratosphere by Popp, P. J., Northway, M. J., Holecek, J. C., Gao, R. S., Fahey, D. W., Elkins, J. W., Hurst, D. F., Romashkin, P. A., Toon, G. C., Sen, B., Schauffler, S. M., Salawitch, R. J., Webster, C. R., Herman, R. L., Jost, H., Bui, T. P., Newman, P. A., Lait, L. R.

“…Observations in the 1999–2000 Arctic winter stratosphere show the most severe and extensive denitrification ever observed in the northern hemisphere…”
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An analysis of large HNO3-containing particles sampled in the Arctic stratosphere during the winter of 1999/2000 by Northway, M. J., Gao, R. S., Popp, P. J., Holecek, J. C., Fahey, D. W., Carslaw, K. S., Tolbert, M. A., Lait, L. R., Dhaniyala, S., Flagan, R. C., Wennberg, P. O., Mahoney, M. J., Herman, R. L., Toon, G. C., Bui, T. P.

“…Large (>2 μm diameter) HNO3‐containing polar stratospheric cloud (PSC) particles were measured in situ by the NOAA NOy instrument on board the NASA ER‐2…”
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Large NAT particle formation by mother clouds: Analysis of SOLVE/THESEO-2000 observations by Fueglistaler, S., Luo, B. P., Buss, S., Wernli, H., Voigt, C., Müller, M., Neuber, R., Hostetler, C. A., Poole, L. R., Flentje, H., Fahey, D. W., Northway, M. J., Peter, Th

“…During the SOLVE/THESEO‐2000 Arctic stratospheric campaign in the winter 1999/2000 widespread occurrences of very large HNO3‐containing particles, probably…”
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Measurements of large stratospheric particles in the Arctic polar vortex by Brooks, Sarah D., Baumgardner, Darrel, Gandrud, Bruce, Dye, James E., Northway, Megan J., Fahey, David W., Bui, T. Paul, Toon, Owen B., Tolbert, Margaret A.

“…During the SAGE III Ozone Loss and Validation Experiment/Third European Stratospheric Experiment on Ozone 2000 mission, the Multiangle Aerosol Spectrometer…”
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Trajectory studies of large HNO sub(3)-containing PSC particles in the Arctic: Evidence for the role of NAT by McKinney, KA, Wennberg, PO, Dhaniyala, S, Fahey, D W, Northway, MJ, Kuenzi, K F, Kleinboehl, A, Sinnhuber, M, Kuellmann, H, Bremer, H, Mahoney, MJ, Bui, T P

“…Large (5 to >20 mu m diameter) nitric-acid-containing polar stratospheric cloud (PSC) particles were observed in the Arctic stratosphere during the winter of…”
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Observational evidence for the role of denitrification in Arctic stratospheric ozone loss by Gao, R. S., Richard, E. C., Popp, P. J., Toon, G. C., Hurst, D. F., Newman, P. A., Holecek, J. C., Northway, M. J., Fahey, D. W., Danilin, M. Y., Sen, B., Aikin, K., Romashkin, P. A., Elkins, J. W., Webster, C. R., Schauffler, S. M., Greenblatt, J. B., McElroy, C. T., Lait, L. R., Bui, T. P., Baumgardner, D.

“…Severe and extensive denitrification, chlorine activation, and photochemical ozone loss were observed throughout the lower stratosphere in the 1999–2000 Arctic…”
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Relating inferred HNO3 flux values to the denitrification of the 1999–2000 Arctic vortex by Northway, Megan J., Popp, Peter J., Gao, Ru-Shan, Fahey, David W., Toon, Geoff C., Bui, T. Paul

“…Extensive populations of large HNO3‐containing particles were observed in situ in the 1999–2000 Arctic winter vortex. Assuming nitric acid trihydrate (NAT)…”
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Role of NO sub(y) as a diagnostic of small-scale mixing in a denitrified polar vortex by Gao, R S, Popp, P J, Ray, E A, Rosenlof, KH, Northway, MJ, Fahey, D W, Tuck, A F, Webster, C R, Hurst, D F, Schauffler, S M, Jost, H, Bui, T P

“…Observations of three stratospheric species (N sub(2)O, CH sub(4), and NO sub(y)) are examined for their suitability as mixing tracers in the inner Arctic…”
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Stratospheric Aerosol Sampling: Effect of a Blunt-Body Housing on Inlet Sampling Characteristics by Dhaniyala, S., Wennberg, P. O., Flagan, R. C., Fahey, D. W., Northway, M. J., Gao, R. S., Bui, T. P.

“…During a campaign to study ozone loss mechanisms in the Arctic stratosphere (SOLVE), several instruments on NASA's ER-2 aircraft observed a very low number…”
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Trajectory studies of large HNO3-containing PSC particles in the Arctic: Evidence for the role of NAT by McKinney, K. A., Wennberg, P. O., Dhaniyala, S., Fahey, D. W., Northway, M. J., Künzi, K. F., Kleinböhl, A., Sinnhuber, M., Küllmann, H., Bremer, H., Mahoney, M. J., Bui, T. P.

“…Large (5 to >20 micron diameter) nitric-acid-containing polar stratospheric cloud (PSC) particles were observed in the Arctic stratosphere during the winter of…”
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Role of NOy as a diagnostic of small-scale mixing in a denitrified polar vortex by Gao, R. S., Popp, P. J., Ray, E. A., Rosenlof, K. H., Northway, M. J., Fahey, D. W., Tuck, A. F., Webster, C. R., Hurst, D. F., Schauffler, S. M., Jost, H., Bui, T. P.

“…Observations of three stratospheric species (N2O, CH4, and NOy) are examined for their suitability as mixing tracers in the inner Arctic vortex region between…”
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The emission and chemistry of reactive nitrogen species in the plume of an Athena II solid-fuel rocket motor by Popp, P. J., Ridley, B. A., Neuman, J. A., Avallone, L. M., Toohey, D. W., Zittel, P. F., Schmid, O., Herman, R. L., Gao, R. S., Northway, M. J., Holecek, J. C., Fahey, D. W., Thompson, T. L., Kelly, K. K., Walega, J. G., Grahek, F. E., Wilson, J. C., Ross, M. N., Danilin, M. Y.

“…In situ measurements of NO, NOy, HNO3, ClO, CO2, H2O and particles were made in the plume of an Athena II solid‐fuel rocket motor (SRM) with instruments…”
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An analysis of large HNO sub(3)-containing particles sampled in the Arctic stratosphere during the winter of 1999/2000 by Northway, MJ, Gao, R S, Popp, P J, Holecek, J C, Fahey, D W, Carslaw, K S, Tolbert, MA, Lait, L R, Dhaniyala, S, Flagan, R C, Wennberg, PO, Mahoney, MJ, Herman, R L, Toon, G C, Bui, T P

“…Large (>2 mu m diameter) HNO sub(3)-containing polar stratospheric cloud (PSC) particles were measured in situ by the NOAA NO sub(y) instrument on board the…”
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The detection of large HNO sub(3)-containing particles in the winter Arctic stratosphere by Fahey, D W, Gao, R S, Carslaw, K S, Kettleborough, J, Popp, P J, Northway, MJ, Holecek, J C, Ciciora, S C, McLaughlin, R J, Thompson, T L, Winkler, R H, Baumgardner, D G, Gandrud, B, von Koenig, M

“…Large particles containing nitric acid (HNO sub(3)) were observed in the 1999/2000 Arctic winter stratosphere. These in situ observations were made over a…”
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