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Relevant bibliographies by topics / Polar Stratospheric Clouds PSC

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Academic literature on the topic 'Polar Stratospheric Clouds PSC'

Author: Grafiati

Published: 22 February 2023

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Journal articles on the topic "Polar Stratospheric Clouds PSC"

1

Kirk-Davidoff, D. B., and J. F. Lamarque. "Maintenance of polar stratospheric clouds in a moist stratosphere." Climate of the Past 4, no. 1 (2008): 69–78. http://dx.doi.org/10.5194/cp-4-69-2008.

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Abstract. Previous work has shown that polar stratospheric clouds (PSCs) could have acted to substantially warm high latitude regions during past warm climates such as the Eocene (55 Ma). Using a simple model of stratospheric water vapor transport and polar stratospheric cloud (PSC) formation, we investigate the dependence of PSC optical depth on tropopause temperature, cloud microphysical parameters, stratospheric overturning, and tropospheric methane. We show that PSC radiative effects can help slow removal of water from the stratosphere via self-heating. However, we also show that the abili

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2

Kirk-Davidoff, D. B., and J. F. Lamarque. "Maintenance of polar stratospheric clouds in a moist stratosphere." Climate of the Past Discussions 3, no. 4 (2007): 935–60. http://dx.doi.org/10.5194/cpd-3-935-2007.

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Abstract. Previous work has shown that polar stratospheric clouds (PSCs) could have acted to substantially warm high latitude regions during past warm climates such as the Eocene (55 Ma). Using a simple model of stratospheric water vapor transport and polar stratospheric cloud (PSC) formation, we investigate the dependence of PSC optical depth on tropopause temperature, cloud microphysical parameters, stratospheric overturning, and tropospheric methane. We show that PSC radiative effects can help slow removal of water from the stratosphere via self-heating. However, we also show that the abili

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3

Fonteyn, D., and N. Larsen. "Detailed PSC formation in a two-dimensional chemical transport model of the stratosphere." Annales Geophysicae 14, no. 3 (1996): 315–28. http://dx.doi.org/10.1007/s00585-996-0315-0.

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Abstract. A new two-dimensional zonal model of the stratosphere, based on a formulation in an isentropic framework, with complete chemistry has been coupled with a high resolution detailed microphysical model for polar stratospheric clouds (PSCs). The 2D model chemistry includes all presently known heterogeneous processes on sulfate aerosols and PSCs. The coupling of these two models, with inherently different time scales, is discussed. It is demonstrated that in order to obtain a realistic interrelationship between NOy and N2O an accurate simulation of the sedimentation by PSC particles is ne

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4

Achtert, P., M. Karlsson Andersson, F. Khosrawi, and J. Gumbel. "Do tropospheric clouds influence Polar Stratospheric cloud occurrence in the Arctic?" Atmospheric Chemistry and Physics Discussions 11, no. 12 (2011): 32065–84. http://dx.doi.org/10.5194/acpd-11-32065-2011.

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Abstract. 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 polar stratosphere. The formation of PSCs depends strongly on temperature. However, the mechanisms of the formation of solid PSCs are still poorly understood. Recent satellite studies of Antarctic PSCs have shown that their formation can be associated with deep-tropospheric clouds which have the ability to cool the lower stratosphere radiatively and/or adiabatically. In the present study, lidar measurements aboard the Cloud-Aero

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5

Vargin, Pavel N., Andrey V. Koval, and Vladimir V. Guryanov. "Arctic Stratosphere Dynamical Processes in the Winter 2021–2022." Atmosphere 13, no. 10 (2022): 1550. http://dx.doi.org/10.3390/atmos13101550.

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The Arctic stratosphere winter season of 2021–2022 was characterized by a stable, cold stratospheric polar vortex with a volume of polar stratospheric clouds (PSC) close to the maximum values since 1980, before the beginning of minor sudden stratospheric warming (SSW) events in the late February and early March and major SSW on 20 March. Analysis of dynamical processes of the Arctic stratosphere using reanalysis data indicates that the main reasons for the strengthening of the stratospheric polar vortex in January–February are the minimum propagation of planetary wave activity from the troposp

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6

Enell, C. F., Å. Steen, T. Wagner, et al. "Occurrence of polar stratospheric clouds at Kiruna." Annales Geophysicae 17, no. 11 (1999): 1457–62. http://dx.doi.org/10.1007/s00585-999-1457-7.

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Abstract. Polar stratospheric clouds (PSCs) are often observed in the Kiruna region in northern Sweden, east of the Scandinavian mountain range, during wintertime. PSC occurrence can be detected by ground-based optical instruments. Most of these require clear tropospheric weather. By applying the zenith-sky colour index technique, which works under most weather conditions, the data availability can be extended. The observations suggest that PSC events, especially of type II (water PSCs) may indeed more common than predicted by synoptic models, which is expected because of the frequent presence

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7

Meerkoetter, R. "Detection of polar stratospheric clouds with ERS-2/GOME data." Annales Geophysicae 13, no. 4 (1995): 395–405. http://dx.doi.org/10.1007/s00585-995-0395-2.

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Abstract. Based on radiative transfer calculations, it is studied whether polar stratospheric clouds (PSCs) can be detected by the new Global Ozone Monitoring Experiment (GOME) on board the second European Research Satellite (ERS-2) planned to be launched in 1995. It is proposed to identify PSC-covered areas by use of an indicator, the Normalized Radiance Difference (NRD), which relates the difference of two spectral radiances at 0.515 µm and 0.67 µm to one radiance measured in the centre of the oxygen A-band at 0.76 µm. Simulations are carried out for two solar zenith angles, θ=78.5° and θ=86

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8

von Savigny, C., E. P. Ulasi, K. U. Eichmann, H. Bovensmann, and J. P. Burrows. "Detection and mapping of polar stratospheric clouds using limb scattering observations." Atmospheric Chemistry and Physics Discussions 5, no. 4 (2005): 7169–90. http://dx.doi.org/10.5194/acpd-5-7169-2005.

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Abstract. Satellite-based measurements of Visible/NIR limb-scattered solar radiation are well suited for the detection and mapping of polar stratospheric clouds (PSCs). This publication describes a method to detect PCSs from limb scattering observations with the Scanning Imaging Absorption spectroMeter for Atmospheric CartograpHY (SCIAMACHY) on the European Space Agency's Envisat spacecraft. The method is based on a color-index approach and requires a priori knowledge of the stratospheric background aerosol loading in order to avoid false PSC identifications by stratospheric background aerosol

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9

von Savigny, C., E. P. Ulasi, K. U. Eichmann, H. Bovensmann, and J. P. Burrows. "Detection and mapping of polar stratospheric clouds using limb scattering observations." Atmospheric Chemistry and Physics 5, no. 11 (2005): 3071–79. http://dx.doi.org/10.5194/acp-5-3071-2005.

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Abstract. Satellite-based measurements of Visible/NIR limb-scattered solar radiation are well suited for the detection and mapping of polar stratospheric clouds (PSCs). This publication describes a method to detect PCSs from limb scattering observations with the Scanning Imaging Absorption spectroMeter for Atmospheric CartograpHY (SCIAMACHY) on the European Space Agency's Envisat spacecraft. The method is based on a color-index approach and requires a priori knowledge of the stratospheric background aerosol loading in order to avoid false PSC identifications by stratospheric background aerosol

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10

Ebert, Martin, Ralf Weigel, Konrad Kandler, et al. "Chemical analysis of refractory stratospheric aerosol particles collected within the arctic vortex and inside polar stratospheric clouds." Atmospheric Chemistry and Physics 16, no. 13 (2016): 8405–21. http://dx.doi.org/10.5194/acp-16-8405-2016.

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Abstract. Stratospheric aerosol particles with diameters larger than about 10 nm were collected within the arctic vortex during two polar flight campaigns: RECONCILE in winter 2010 and ESSenCe in winter 2011. Impactors were installed on board the aircraft M-55 Geophysica, which was operated from Kiruna, Sweden. Flights were performed at a height of up to 21 km and some of the particle samples were taken within distinct polar stratospheric clouds (PSCs). The chemical composition, size and morphology of refractory particles were analyzed by scanning electron microscopy and energy-dispersive X-ra

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