Search Results - "Khosrawi, F"

Vortex‐Wide Detection of Large Aspherical NAT Particles in the Arctic Winter 2011/12 Stratosphere by Woiwode, W., Höpfner, M., Bi, L., Khosrawi, F., Santee, M. L.

“…Micron‐sized HNO3‐containing particles in polar stratospheric clouds are known to denitrify the polar winter stratosphere and support chemical ozone loss. We…”
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Sensitivity of polar stratospheric cloud formation to changes in water vapour and temperature by Khosrawi, F, Urban, J, Lossow, S, Stiller, G, Weigel, K, Braesicke, P, Pitts, M. C, Rozanov, A, Burrows, J. P, Murtagh, D

“…More than a decade ago it was suggested that a cooling of stratospheric temperatures by 1 K or an increase of 1 ppmv of stratospheric water vapour could…”
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Observation of horizontal winds in the middle-atmosphere between 30° S and 55° N during the northern winter 2009–2010 by Baron, P, Murtagh, D. P, Urban, J, Sagawa, H, Ochiai, S, Kasai, Y, Kikuchi, K, Khosrawi, F, Körnich, H, Mizobuchi, S, Sagi, K, Yasui, M

“…Although the links between stratospheric dynamics, climate and weather have been demonstrated, direct observations of stratospheric winds are lacking, in…”
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Chemical ozone loss and ozone mini-hole event during the Arctic winter 2010/2011 as observed by SCIAMACHY and GOME-2 by Hommel, R, Eichmann, K.-U, Aschmann, J, Bramstedt, K, Weber, M, von Savigny, C, Richter, A, Rozanov, A, Wittrock, F, Khosrawi, F, Bauer, R, Burrows, J. P

“…Record breaking loss of ozone (O3) in the Arctic stratosphere has been reported in winter–spring 2010/2011. We examine in detail the composition and…”
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Pure rotational-Raman channels of the Esrange lidar for temperature and particle extinction measurements in the troposphere and lower stratosphere by Achtert, P, Khaplanov, M, Khosrawi, F, Gumbel, J

“…The Department of Meteorology at Stockholm University operates the Esrange Rayleigh/Raman lidar at Esrange (68° N, 21° E) near the Swedish city of Kiruna. This…”
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The SPARC water vapour assessment II: profile-to-profile and climatological comparisons of stratospheric δD(H 2 O) observations from satellite by Högberg, Charlotta, Lossow, Stefan, Khosrawi, Farahnaz, Bauer, Ralf, Walker, Kaley A., Eriksson, Patrick, Murtagh, Donal P., Stiller, Gabriele P., Steinwagner, Jörg, Zhang, Qiong

“…Within the framework of the second SPARC (Stratosphere-troposphere Processes And their Role in Climate) water vapour assessment (WAVAS-II), we evaluated five…”
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Reconciliation of essential process parameters for an enhanced predictability of Arctic stratospheric ozone loss and its climate interactions (RECONCILE): activities and results by von Hobe, M, Bekki, S, Borrmann, S, Cairo, F, D'Amato, F, Di Donfrancesco, G, Dörnbrack, A, Ebersoldt, A, Ebert, M, Emde, C, Engel, I, Ern, M, Frey, W, Genco, S, Griessbach, S, Grooß, J.-U, Gulde, T, Günther, G, Hösen, E, Hoffmann, L, Homonnai, V, Hoyle, C. R, Isaksen, I. S. A, Jackson, D. R, Jánosi, I. M, Jones, R. L, Kandler, K, Kalicinsky, C, Keil, A, Khaykin, S. M, Khosrawi, F, Kivi, R, Kuttippurath, J, Laube, J. C, Lefèvre, F, Lehmann, R, Ludmann, S, Luo, B. P, Marchand, M, Meyer, J, Mitev, V, Molleker, S, Müller, R, Oelhaf, H, Olschewski, F, Orsolini, Y, Peter, T, Pfeilsticker, K, Piesch, C, Pitts, M. C, Poole, L. R, Pope, F. D, Ravegnani, F, Rex, M, Riese, M, Röckmann, T, Rognerud, B, Roiger, A, Rolf, C, Santee, M. L, Scheibe, M, Schiller, C, Schlager, H, Siciliani de Cumis, M, Sitnikov, N, Søvde, O. A, Spang, R, Spelten, N, Stordal, F, Sumińska-Ebersoldt, O, Ulanovski, A, Ungermann, J, Viciani, S, Volk, C. M, vom Scheidt, M, von der Gathen, P, Walker, K, Wegner, T, Weigel, R, Weinbruch, S, Wetzel, G, Wienhold, F. G, Wohltmann, I, Woiwode, W, Young, I. A. K, Yushkov, V, Zobrist, B, Stroh, F

“…The international research project RECONCILE has addressed central questions regarding polar ozone depletion, with the objective to quantify some of the most…”
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Denitrification and polar stratospheric cloud formation during the Arctic winter 2009/2010 by Khosrawi, F., Urban, J., Pitts, M. C., Voelger, P., Achtert, P., Kaphlanov, M., Santee, M. L., Manney, G. L., Murtagh, D., Fricke, K.-H.

“…The sedimentation of HNO3 containing Polar Stratospheric Cloud (PSC) particles leads to a permanent removal of HNO3 and thus to a denitrification of the…”
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A stratospheric intrusion at the subtropical jet over the Mediterranean Sea: air-borne remote sensing observations and model results by Weigel, K, Hoffmann, L, Günther, G, Khosrawi, F, Olschewski, F, Preusse, P, Spang, R, Stroh, F, Riese, M

“…Remote sensing measurements from the Cryogenic Infrared Spectrometers and Telescope for the Atmosphere – New Frontiers (CRISTA-NF) during a flight on 29 July…”
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On the linkage between tropospheric and Polar Stratospheric clouds in the Arctic as observed by space–borne lidar by Achtert, P, Karlsson Andersson, M, Khosrawi, F, Gumbel, J

“…The type of Polar stratospheric clouds (PSCs) as well as their temporal and spatial extent are important for the occurrence of heterogeneous reactions in the…”
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A reassessment of the discrepancies in the annual variation of δD-H2O in the tropical lower stratosphere between the MIPAS and ACE-FTS satellite data sets by Lossow, Stefan, Högberg, Charlotta, Khosrawi, Farahnaz, Stiller, Gabriele P, Bauer, Ralf, Walker, Kaley A, Kellmann, Sylvia, Linden, Andrea, Kiefer, Michael, Glatthor, Norbert, Thomas von Clarmann, Murtagh, Donal P, Steinwagner, Jörg, Röckmann, Thomas, Eichinger, Roland

“…The annual variation of δD in the tropical lower stratosphere is a critical indicator for the relative importance of different processes contributing to the…”
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The SPARC water vapour assessment II: comparison of stratospheric and lower mesospheric water vapour time series observed from satellites by Khosrawi, Farahnaz, Lossow, Stefan, Stiller, Gabriele P, Rosenlof, Karen H, Urban, Joachim, Burrows, John P, Damadeo, Robert P, Eriksson, Patrick, Garcia-Comas, Maya, Gille, John C, Kasai, Yasuko, Kiefer, Michael, Nedoluha, Gerald E, Noel, Stefan, Raspollini, Piera, Read, William G, Rozanov, Alexei, Sioris, Christopher E, Walker, Kaley A, Weigel, Katja

“…Time series of stratospheric and lower mesospheric water vapour using 33 data sets from 15 different satellite instruments were compared in the framework of…”
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The SPARC water vapour assessment II: comparison of annual, semi-annual and quasi-biennial variations in stratospheric and lower mesospheric water vapour observed from satellites by Lossow, Stefan, Khosrawi, Farahnaz, Nedoluha, Gerald E, Azam, Faiza, Bramstedt, Klaus, Burrows, John. P, Dinelli, Bianca M, Eriksson, Patrick, Espy, Patrick J, García-Comas, Maya, Gille, John C, Kiefer, Michael, Noël, Stefan, Raspollini, Piera, Read, William G, Rosenlof, Karen H, Rozanov, Alexei, Sioris, Christopher E, Stiller, Gabriele P, Walker, Kaley A, Weigel, Katja

“…In the framework of the second SPARC (Stratosphere-troposphere Processes And their Role in Climate) water vapour assessment (WAVAS-II), the amplitudes and…”
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Investigation of polar stratospheric clouds in January 2008 by means of ground-based and spaceborne lidar measurements and microphysical box model simulations by Achtert, P., Khosrawi, F., Blum, U., Fricke, K. H.

“…Polar stratospheric clouds (PSCs) play a key role in heterogeneous chemistry and ozone depletion in the lower stratosphere. The type of PSC as well as their…”
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Assessment of the interannual variability and influence of the QBO and upwelling on tracer-tracer distributions of N2O and O3 in the tropical lower stratosphere by Khosrawi, F., Muller, R., Urban, Joachim, Proffitt, M. H., Stiller, G., Kiefer, M., Lossow, S., Kinnison, D., Olschewski, F., Riese, M., Murtagh, Donal

“…A modified form of tracer-tracer correlations of N2O and O-3 has been used as a tool for the evaluation of atmospheric photochemical models. Applying this…”
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Particle formation in the Arctic free troposphere during the ASTAR 2004 campaign: a case study on the influence of vertical motion on the binary homogeneous nucleation of H2SO4/H2O by A. Minikin, J. Ström, F. Khosrawi, R. Krejci

“…During the ASTAR (Arctic Study of Tropospheric Aerosol and Radiation) campaign nucleation mode particles (4 to 13 nm) were quite frequently observed at…”
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P02-513 - Fears associated with pregnancy and childbirth among Kurdish women in Iran by Shahoei, R, Abed Saeedi, Z, Hesami, K, Khosrawi, F

“…Introduction Women may experience a variety of fears in association with pregnancy and childbirth. Fear can cause significant problem during childbirth and…”
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Monthly averages of nitrous oxide and ozone for the Northern and Southern Hemisphere high latitudes: A “1-year climatology” derived from ILAS/ILAS-II observations by Khosrawi, F., Müller, R., Proffitt, M. H., Nakajima, H.

“…Correlations of ozone (O3) and nitrous oxide (N2O) have been suggested as a tool for validating photochemical models and as a reference for estimating…”
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Seasonal cycle of averages of nitrous oxide and ozone in the Northern and Southern Hemisphere polar, midlatitude, and tropical regions derived from ILAS/ILAS-II and Odin/SMR observations by Khosrawi, F., Müller, R., Proffitt, M. H., Urban, J., Murtagh, D., Ruhnke, R., Grooß, J.‐U., Nakajima, H.

“…Northern and Southern Hemispheric monthly averages of ozone (O3) and nitrous oxide (N2O) have been suggested as a tool for evaluating atmospheric photochemical…”
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Monitorización de las concentraciones atmosféricas de metano y óxido nitroso a partir del Metop/IASI by O. García, M. Schneider, B. Ertl, E. Sepúlveda, C. Borger, C. Diekmann, F. Hase, F. Khosrawi, A. Cansado, M. Aullé

“…El futuro del sistema Tierra-atmósfera dependerá, en gran medida, de nuestra capacidad para entender todos los procesos que están conduciendo al calentamiento…”
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