Literatura científica selecionada sobre o tema "Tropical tropopause (TTL)"
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Artigos de revistas sobre o assunto "Tropical tropopause (TTL)"
Gettelman, A., T. Birner, V. Eyring, H. Akiyoshi, D. A. Plummer, M. Dameris, S. Bekki et al. "The Tropical Tropopause Layer 1960–2100". Atmospheric Chemistry and Physics Discussions 8, n.º 1 (29 de janeiro de 2008): 1367–413. http://dx.doi.org/10.5194/acpd-8-1367-2008.
Texto completo da fonteLei, Siliang, Xijuan Zhu, Yuxiang Ling, Shiwen Teng e Bin Yao. "Tropical Tropopause Layer Cloud Properties from Spaceborne Active Observations". Remote Sensing 15, n.º 5 (22 de fevereiro de 2023): 1223. http://dx.doi.org/10.3390/rs15051223.
Texto completo da fonteTegtmeier, Susann, James Anstey, Sean Davis, Rossana Dragani, Yayoi Harada, Ioana Ivanciu, Robin Pilch Kedzierski et al. "Temperature and tropopause characteristics from reanalyses data in the tropical tropopause layer". Atmospheric Chemistry and Physics 20, n.º 2 (22 de janeiro de 2020): 753–70. http://dx.doi.org/10.5194/acp-20-753-2020.
Texto completo da fonteDzambo, Andrew M., Matthew H. Hitchman e Kai-Wei Chang. "The Influence of Gravity Waves on Ice Saturation in the Tropical Tropopause Layer over Darwin, Australia". Atmosphere 10, n.º 12 (5 de dezembro de 2019): 778. http://dx.doi.org/10.3390/atmos10120778.
Texto completo da fonteGettelman, A., T. Birner, V. Eyring, H. Akiyoshi, S. Bekki, C. Brühl, M. Dameris et al. "The Tropical Tropopause Layer 1960–2100". Atmospheric Chemistry and Physics 9, n.º 5 (4 de março de 2009): 1621–37. http://dx.doi.org/10.5194/acp-9-1621-2009.
Texto completo da fonteSchiller, C., J. U. Grooß, P. Konopka, F. Plöger, F. H. Silva dos Santos e N. Spelten. "Hydration and dehydration at the tropical tropopause". Atmospheric Chemistry and Physics Discussions 9, n.º 4 (24 de agosto de 2009): 17495–529. http://dx.doi.org/10.5194/acpd-9-17495-2009.
Texto completo da fonteSchiller, C., J. U. Grooß, P. Konopka, F. Plöger, F. H. Silva dos Santos e N. Spelten. "Hydration and dehydration at the tropical tropopause". Atmospheric Chemistry and Physics 9, n.º 24 (23 de dezembro de 2009): 9647–60. http://dx.doi.org/10.5194/acp-9-9647-2009.
Texto completo da fonteRyu, Jung-Hee, e Sukyoung Lee. "Effect of Tropical Waves on the Tropical Tropopause Transition Layer Upwelling". Journal of the Atmospheric Sciences 67, n.º 10 (1 de outubro de 2010): 3130–48. http://dx.doi.org/10.1175/2010jas3434.1.
Texto completo da fonteLin, Pu, David Paynter, Yi Ming e V. Ramaswamy. "Changes of the Tropical Tropopause Layer under Global Warming". Journal of Climate 30, n.º 4 (1 de fevereiro de 2017): 1245–58. http://dx.doi.org/10.1175/jcli-d-16-0457.1.
Texto completo da fonteDessler, A. E., e S. C. Sherwood. "A model of HDO in the tropical tropopause layer". Atmospheric Chemistry and Physics Discussions 3, n.º 4 (29 de agosto de 2003): 4489–513. http://dx.doi.org/10.5194/acpd-3-4489-2003.
Texto completo da fonteTeses / dissertações sobre o assunto "Tropical tropopause (TTL)"
Waddicor, David Alan. "Aerosol in the tropical tropopause layer". Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/aerosol-in-the-tropical-tropopause-layer(c68a4252-15dc-4a96-a890-0156719b3a9f).html.
Texto completo da fonteNewton, Richard. "Vertical profiling in the west Pacific warm pool". Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/vertical-profiling-in-the-west-pacific-warm-pool(8c89d0ef-dc88-44d6-ad49-81cc34d5e662).html.
Texto completo da fontePlöger, Felix [Verfasser]. "Impact of different vertical transport representations on simulating processes in the tropical tropopause layer (TTL) / Felix Plöger". Wuppertal : Universitätsbibliothek Wuppertal, 2011. http://d-nb.info/1012468402/34.
Texto completo da fontePodglajen, Aurélien. "Ondes et turbulence à la tropopause tropicale et impacts sur les cirrus". Thesis, Paris Sciences et Lettres (ComUE), 2017. http://www.theses.fr/2017PSLEE013/document.
Texto completo da fonteAtmospheric waves and turbulence and their impacts on cirrus clouds in the Tropical Tropopause Layer (TTL, 14-18 km altitude) are studied using in situ observations, numerical simulations and theoretical approaches.First, long-duration stratospheric balloon measurements are used to analyze Lagrangian temperature and vertical wind fluctuations induced by gravity waves at the tropical tropopause. The amplitude and intermittency of wave fluctuations are assessed, and the observations are compared with resolved wave fluctuations in atmospheric models. Methods to parameterize Lagrangian temperature fluctuations are then discussed.Then, some impacts of waves on cirrus clouds microphysics are examined. We first consider the influence of high frequency gravity waves on the ice nucleation process. Next, we explore the interplay between ice crystal sedimentation and advection by the wind perturbations induced by low frequency waves. At last, we use numerical simulations to investigate the formation of a large-scale cirrus in the TTL. We demonstrate the role of large-scale equatorial waves and quantify the relevance of different processes (dynamics, radiative heating,...) in the cloud evolution.Finally, small-scale wind fluctuations, interpreted as turbulent bursts, are characterized using aircraft measurements from the ATTREX campaign in the tropical Pacific. The impact of the fluctuations on vertical mixing and on the TTL tracer budget is quantified. The vertical transport induced by turbulent mixing is found to be smaller than that induced by mean tropical upwelling, but nonetheless significant
Podglajen, Aurélien. "Ondes et turbulence à la tropopause tropicale et impacts sur les cirrus". Electronic Thesis or Diss., Paris Sciences et Lettres (ComUE), 2017. http://www.theses.fr/2017PSLEE013.
Texto completo da fonteAtmospheric waves and turbulence and their impacts on cirrus clouds in the Tropical Tropopause Layer (TTL, 14-18 km altitude) are studied using in situ observations, numerical simulations and theoretical approaches.First, long-duration stratospheric balloon measurements are used to analyze Lagrangian temperature and vertical wind fluctuations induced by gravity waves at the tropical tropopause. The amplitude and intermittency of wave fluctuations are assessed, and the observations are compared with resolved wave fluctuations in atmospheric models. Methods to parameterize Lagrangian temperature fluctuations are then discussed.Then, some impacts of waves on cirrus clouds microphysics are examined. We first consider the influence of high frequency gravity waves on the ice nucleation process. Next, we explore the interplay between ice crystal sedimentation and advection by the wind perturbations induced by low frequency waves. At last, we use numerical simulations to investigate the formation of a large-scale cirrus in the TTL. We demonstrate the role of large-scale equatorial waves and quantify the relevance of different processes (dynamics, radiative heating,...) in the cloud evolution.Finally, small-scale wind fluctuations, interpreted as turbulent bursts, are characterized using aircraft measurements from the ATTREX campaign in the tropical Pacific. The impact of the fluctuations on vertical mixing and on the TTL tracer budget is quantified. The vertical transport induced by turbulent mixing is found to be smaller than that induced by mean tropical upwelling, but nonetheless significant
Corcos, Milena. "Processes affecting cirrus clouds life cycle at the tropical tropopause layer : contributions from the Stratéole-2 campaigns". Electronic Thesis or Diss., Sorbonne université, 2023. http://www.theses.fr/2023SORUS119.
Texto completo da fonteThis thesis focuses on the observation of gravity waves at the tropical tropopause layer (TTL) by superpressure balloons, and their impact on cirrus clouds. First, the gravity wave activity is quantified thanks to in-situ observations of superpressure balloons from the first two Stratéole-2 campaigns. The link between tropical deep convection and wave activity is demonstrated at a synoptic scale by the decrease of wave amplitude with distance to convective cell. The geographical variability of gravity wave activity, its intermittency, as well as its interannual variability are also studied. In a second step, the impact of gravity waves on cirrus clouds is studied thanks to the combination of Lagrangian measurements of temperature fluctuations with a microphysics model representing the homogeneous nucleation, growth and sedimentation of ice crystals, as well as a very simplified representation of the wind shear. The impact of the waves on ice crystals population and the consequences on the evolution of cirrus clouds and their capacity to dehydrate the air masses during the ascent in the TTL is quantified. The results are compared with observations from the ATTREX campaign in the TTL over the Pacific Ocean, and demonstrate the importance of realistic representation of waves in microphysics simulations. Finally, a sensitivity study to the amplitude of gravity waves is discussed for the cirrus structure and ice crystal population
Wang, Tao. "Analysis of the Tropical Tropopause Layer Cirrus in CALIPSO and MLS Data - A Water Perspective". Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-05-9273.
Texto completo da fonte