Results 31 to 40 of about 746 (167)
Tropical Cyclone Research and Review, 2020 The characteristics of convective-scale downdrafts in the outer core of tropical cyclones in the lower- and upper-layer vertical wind shear (VWS) are investigated based on two high-resolution idealized numerical experiments.
Jingjing Cheng, Qingqing Li
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Heterogeneous Ice Nucleation in the Tropical Tropopause Layer [PDF]
Journal of Geophysical Research: Atmospheres, 2018 AbstractRecent laboratoryexperiments have advanced our understanding of heterogeneous ice nucleation at low temperatures. We use these laboratory results, along with field measurements of aerosol composition, to constrain a parameterization of heterogeneous nucleation rate dependence on temperature and supersaturation.
Eric J. Jensen +10 more
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Radio occultation bending angle anomalies during tropical cyclones [PDF]
Atmospheric Measurement Techniques, 2011 The tropical deep convection affects the radiation balance of the atmosphere changing the water vapor mixing ratio and the temperature of the upper troposphere lower stratosphere.
R. Biondi +3 more
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Remote Sensing, 2022 Based on reanalysis data, satellite ozone concentration observations, and a Lagrangian trajectory simulation, a Rossby wave breaking (RWB) event and its effect on stratosphere–troposphere exchange (STE) over the Tibetan Plateau in mid-March 2006 were ...
Jinyao Zhu +3 more
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On the Evolution of Tropopause Layer Cooling Over Tropical Cyclone
Journal of Geophysical Research: Atmospheres, 2023 AbstractThis study investigates the evolution of tropopause layer cooling (TLC) in an idealized tropical cyclone (TC) as well as the physical mechanism for its formation throughout its lifetime. TLC development is closely related to the intensity change of the TC.
Jiayue Yin +4 more
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A Climatology of the Tropical Tropopause Layer.
Journal of the Meteorological Society of Japan. Ser. II, 2002 The tropical tropopause layer (TTL) is a transition region between the troposphere and the stratosphere. In this study the vertical extent of the TTL is diagnosed from radiosonde and ozonesonde profiles in the tropics and a climatology of this layer is presented. The radiative balance in the TTL is also characterized.
A GETTELMAN, P.M. de F FORSTER
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The influence of the Asian summer monsoon on volcanic aerosol transport in the UTLS region
npj Climate and Atmospheric Science, 2023 This study analyses the influence of the Asian summer monsoon on volcanic aerosol transport. Realistic, altitude-resolved SO2 emissions of a middle-latitude volcanic eruption (Sarychev 2009) and a tropical volcanic eruption (Nabro 2011) were retrieved ...
Xue Wu +7 more
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Linking uncertainty in simulated Arctic ozone loss to uncertainties in modelled tropical stratospheric water vapour [PDF]
Atmospheric Chemistry and Physics, 2018 Stratospheric water vapour influences the chemical ozone loss in the polar stratosphere via control of the polar stratospheric cloud formation. The amount of water vapour entering the stratosphere through the tropical tropopause differs substantially ...
L. Thölix +3 more
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Implication of tropical lower stratospheric cooling in recent trends in tropical circulation and deep convective activity [PDF]
Atmospheric Chemistry and Physics, 2019 Large changes in tropical circulation from the mid-to-late 1990s to the present, in particular changes related to the summer monsoon and cooling of the sea surface in the equatorial eastern Pacific, are noted.
K. Kodera +7 more
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Detection of reactive nitrogen containing particles in the tropopause region – evidence for a tropical nitric acid trihydrate (NAT) belt [PDF]
Atmospheric Chemistry and Physics, 2008 The detection of nitric acid trihydrate (NAT, HNO<sub>3</sub>×3H<sub>2</sub>O) particles in the tropical transition layer (TTL) harmonizes our understanding of polar stratospheric cloud formation. Large reactive nitrogen
C. Voigt +9 more
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