Search Results - "Rosenlof, K H"

Stratospheric water vapor feedback by Dessler, A. E., Schoeberl, M. R., Wang, T., Davis, S. M., Rosenlof, K. H.

“…We show here that stratospheric water vapor variations play an important role in the evolution of our climate. This comes from analysis of observations showing…”
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No evidence of worsening Arctic springtime ozone losses over the 21st century by Polvani, L. M., Keeble, J., Banerjee, A., Checa-Garcia, R., Chiodo, G., Rieder, H. E., Rosenlof, K. H.

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Past changes in the vertical distribution of ozone – Part 3: Analysis and interpretation of trends by Harris, N. R. P, Hassler, B, Tummon, F, Bodeker, G. E, Hubert, D, Petropavlovskikh, I, Steinbrecht, W, Anderson, J, Bhartia, P. K, Boone, C. D, Bourassa, A, Davis, S. M, Degenstein, D, Delcloo, A, Frith, S. M, Froidevaux, L, Godin-Beekmann, S, Jones, N, Kurylo, M. J, Kyrölä, E, Laine, M, Leblanc, S. T, Lambert, J.-C, Liley, B, Mahieu, E, Maycock, A, de Mazière, M, Parrish, A, Querel, R, Rosenlof, K. H, Roth, C, Sioris, C, Staehelin, J, Stolarski, R. S, Stübi, R, Tamminen, J, Vigouroux, C, Walker, K. A, Wang, H. J, Wild, J, Zawodny, J. M

“…Trends in the vertical distribution of ozone are reported and compared for a number of new and recently revised data sets. The amount of ozone-depleting…”
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Single-particle measurements of midlatitude black carbon and light-scattering aerosols from the boundary layer to the lower stratosphere by Schwarz, J. P., Gao, R. S., Fahey, D. W., Thomson, D. S., Watts, L. A., Wilson, J. C., Reeves, J. M., Darbeheshti, M., Baumgardner, D. G., Kok, G. L., Chung, S. H., Schulz, M., Hendricks, J., Lauer, A., Kärcher, B., Slowik, J. G., Rosenlof, K. H., Thompson, T. L., Langford, A. O., Loewenstein, M., Aikin, K. C.

“…A single-particle soot photometer (SP2) was flown on a NASA WB-57F high-altitude research aircraft in November 2004 from Houston, Texas. The SP2 uses…”
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An observationally based energy balance for the Earth since 1950 by Murphy, D. M., Solomon, S., Portmann, R. W., Rosenlof, K. H., Forster, P. M., Wong, T.

“…We examine the Earth's energy balance since 1950, identifying results that can be obtained without using global climate models. Important terms that can be…”
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Two decades of water vapor measurements with the FISH fluorescence hygrometer: a review by Meyer, J, Rolf, C, Schiller, C, Rohs, S, Spelten, N, Afchine, A, Zöger, M, Sitnikov, N, Thornberry, T. D, Rollins, A. W, Bozóki, Z, Tátrai, D, Ebert, V, Kühnreich, B, Mackrodt, P, Möhler, O, Saathoff, H, Rosenlof, K. H, Krämer, M

“…For almost two decades, the airborne Fast In-situ Stratospheric Hygrometer (FISH) has stood for accurate and precise measurements of total water mixing ratios…”
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Intercomparison of vertically resolved merged satellite ozone data sets: interannual variability and long-term trends by Tummon, F, Hassler, B, Harris, N. R. P, Staehelin, J, Steinbrecht, W, Anderson, J, Bodeker, G. E, Bourassa, A, Davis, S. M, Degenstein, D, Frith, S. M, Froidevaux, L, Kyrölä, E, Laine, M, Long, C, Penckwitt, A. A, Sioris, C. E, Rosenlof, K. H, Roth, C, Wang, H.-J, Wild, J

“…In the framework of the SI2N (SPARC (Stratosphere-troposphere Processes And their Role in Climate)/IO3C (International Ozone Commission)/IGACO-O3 (Integrated…”
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The potential impact of changes in lower stratospheric water vapour on stratospheric temperatures over the past 30 years by Maycock, A. C., Joshi, M. M., Shine, K. P., Davis, S. M., Rosenlof, K. H.

“…This study investigates the potential contribution of observed changes in lower stratospheric water vapour to stratospheric temperature variations over the…”
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Diverse policy implications for future ozone and surface UV in a changing climate by Butler, A H, Daniel, J S, Portmann, R W, Ravishankara, A R, Young, P J, Fahey, D W, Rosenlof, K H

“…Due to the success of the Montreal Protocol in limiting emissions of ozone-depleting substances, concentrations of atmospheric carbon dioxide, nitrous oxide,…”
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TTL cooling and drying during the January 2013 stratospheric sudden warming by Evan, Stephanie, Rosenlof, K. H., Thornberry, Troy, Rollins, Andrew, Khaykin, Sergey

“…Extremely low water vapour concentrations (as low as 1.5 ppmv) in the tropical tropopause layer (TTL) were observed by in situ measurements during the Airborne…”
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Variations of stratospheric water vapor over the past three decades by Dessler, A. E., Schoeberl, M. R., Wang, T., Davis, S. M., Rosenlof, K. H., Vernier, J.-P.

“…We examine variations in water vapor in air entering the stratosphere through the tropical tropopause layer (TTL) over the past three decades in satellite data…”
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The contribution of anthropogenic SO2 emissions to the Asian tropopause aerosol layer by Neely III, R. R., Yu, P., Rosenlof, K. H., Toon, O. B., Daniel, J. S., Solomon, S., Miller, H. L.

“…Recent observations reveal a seasonally occurring layer of aerosol located from 0° to 100°E, 20° to 45°N and extending vertically from about 13 km to 18 km;…”
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Comparison of three vertically resolved ozone data sets: climatology, trends and radiative forcings by Hassler, B, Young, P. J, Portmann, R. W, Bodeker, G. E, Daniel, J. S, Rosenlof, K. H, Solomon, S

“…Climate models that do not simulate changes in stratospheric ozone concentrations require the prescription of ozone fields to accurately calculate UV fluxes…”
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Transport of ice into the stratosphere and the humidification of the stratosphere over the 21st century by Dessler, A.E., Ye, H., Wang, T., Schoeberl, M.R., Oman, L.D., Douglass, A.R., Butler, A.H., Rosenlof, K.H., Davis, S.M., Portmann, R.W.

“…Climate models predict that tropical lower stratospheric humidity will increase as the climate warms. We examine this trend in two state‐of‐the‐art…”
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Variations in ozone depletion potentials of very short-lived substances with season and emission region by Brioude, J., Portmann, R. W., Daniel, J. S., Cooper, O. R., Frost, G. J., Rosenlof, K. H., Granier, C., Ravishankara, A. R., Montzka, S. A., Stohl, A.

“…We present a new approach for calculating the fraction of very‐short lived substances (VSLS) emitted at the surface (and their degradation products) that reach…”
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Evaluation of UT/LS hygrometer accuracy by intercomparison during the NASA MACPEX mission by Rollins, A. W., Thornberry, T. D., Gao, R. S., Smith, J. B., Sayres, D. S., Sargent, M. R., Schiller, C., Krämer, M., Spelten, N., Hurst, D. F., Jordan, A. F., Hall, E. G., Vömel, H., Diskin, G. S., Podolske, J. R., Christensen, L. E., Rosenlof, K. H., Jensen, E. J., Fahey, D. W.

“…Acquiring accurate measurements of water vapor at the low mixing ratios (< 10 ppm) encountered in the upper troposphere and lower stratosphere (UT/LS) has…”
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Modeling the climate impact of Southern Hemisphere ozone depletion: The importance of the ozone data set by Young, P. J., Davis, S. M., Hassler, B., Solomon, S., Rosenlof, K. H.

“…The ozone hole is an important driver of recent Southern Hemisphere (SH) climate change, and capturing these changes is a goal of climate modeling. Most…”
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Stratospheric water vapor increases over the past half-century by Rosenlof, K. H., Oltmans, S. J., Kley, D., Russell, J. M., III, Chiou, E.-W., Chu, W. P., Johnson, D. G., Kelly, K. K., Michelsen, H. A., Nedoluha, G. E.

“…Ten data sets covering the period 1954-2000 are analyzed to show a 1% per year increase in stratospheric water vapor. The trend has persisted for at least 45…”
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OH in the tropical upper troposphere and its relationships to solar radiation and reactive nitrogen by Gao, R. S., Rosenlof, K. H., Fahey, D. W., Wennberg, P. O., Hintsa, E. J., Hanisco, T. F.

“…In situ measurements of [OH], [HO 2 ] (square brackets denote species concentrations), and other chemical species were made in the tropical upper troposphere…”
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Validation of Aqua satellite data in the upper troposphere and lower stratosphere with in situ aircraft instruments by Gettelman, A., Weinstock, E. M., Fetzer, E. J., Irion, F. W., Eldering, A., Richard, E. C., Rosenlof, K. H., Thompson, T. L., Pittman, J. V., Webster, C. R., Herman, R. L.

“…Aircraft observations from a recent campaign spanning 0–40N latitude are compared to coincident observations from satellite sensors on board the Aqua satellite…”
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