Impact of Rossby wave breaking on ozone variation in the upper troposphere and lower stratosphere, 1985–2015
Sign Up to like & getrecommendations! Published in 2020 at "Atmospheric Environment"
DOI: 10.1016/j.atmosenv.2019.117122
Abstract: Abstract This paper studies the influence of Rossby wave breaking (RWB) on ozone variations in the upper troposphere and lower stratosphere on isentropic surfaces between 330 K and 370 K during 1985–2015 over two U.S. sites (Boulder… read more here.
Keywords: troposphere lower; rossby wave; wave breaking; upper troposphere ... See more keywords
Enhanced daytime occurrence of clouds in the tropical upper troposphere over land and ocean
Sign Up to like & getrecommendations! Published in 2018 at "Atmospheric Research"
DOI: 10.1016/j.atmosres.2017.10.018
Abstract: Abstract Day-night changes in the altitudinal distribution of tropical clouds are examined using multi-year analyses of CloudSat and CALIPSO data. The combined occurrence of all cloud types maximizes in the nighttime throughout the middle and… read more here.
Keywords: occurrence clouds; occurrence; daytime occurrence; enhanced daytime ... See more keywords
Tropopause and lower stratosphere winds and eddy fluxes on Saturn as seen by Cassini imaging
Sign Up to like & getrecommendations! Published in 2021 at "Icarus"
DOI: 10.1016/j.icarus.2020.114095
Abstract: Abstract An automated cloud feature tracking algorithm is applied to 2004 Cassini Imaging Science Subsystem images of Saturn's southern hemisphere and equatorial region (5°N-70°S) in continuum, methane band, and ultraviolet filters to derive zonal wind… read more here.
Keywords: lower stratosphere; upper troposphere; westward jets; cassini imaging ... See more keywords
How Does Cloud Overlap Affect the Radiative Heating in the Tropical Upper Troposphere/Lower Stratosphere?
Sign Up to like & getrecommendations! Published in 2019 at "Geophysical Research Letters"
DOI: 10.1029/2019gl082602
Abstract: Characterizing two‐layer cloud systems has historically been difficult. These systems have a strong radiative impact on the composition of and the processes in the upper troposphere‐lower stratosphere (UTLS). Using 4 years of combined spaceborne lidar… read more here.
Keywords: radiative heating; overlap affect; troposphere lower; lower stratosphere ... See more keywords
Fast Transport Pathways Into the Northern Hemisphere Upper Troposphere and Lower Stratosphere During Northern Summer
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Geophysical Research"
DOI: 10.1029/2019jd031552
Abstract: This study identifies the fast (i.e., ∼ days–weeks) transport pathways that connect the Northern Hemisphere surface to the upper troposphere and lower stratosphere (UTLS) during northern summer by integrating a large (90 member) ensemble of… read more here.
Keywords: troposphere lower; transport; upper troposphere; transport pathways ... See more keywords
Infrequent, Rapid Transport Pathways to the Summer North American Upper Troposphere and Lower Stratosphere
Sign Up to like & getrecommendations! Published in 2021 at "Geophysical Research Letters"
DOI: 10.1029/2020gl089763
Abstract: Transport pathways from the Northern Hemisphere surface into the North American upper troposphere‐lower stratosphere (NA UTLS) during summertime are diagnosed from Boundary Impulse Response idealized tracers implemented at the Northern Hemisphere surface. In ensemble average,… read more here.
Keywords: american upper; upper troposphere; transport; north american ... See more keywords
Ozone Trends in the Upper Troposphere‐Lower Stratosphere Using Equivalent Latitude‐Potential Temperature Coordinates
Sign Up to like & getrecommendations! Published in 2025 at "Geophysical Research Letters"
DOI: 10.1029/2025gl118651
Abstract: We analyze ozone trends in the upper troposphere and lower stratosphere (UTLS, ∼ ${\sim} $ 300–50 hPa), using geographical (latitude‐pressure and latitude‐altitude) and, for the first time, dynamical (equivalent latitude‐potential temperature, EqL‐ θ $\theta $… read more here.
Keywords: lower stratosphere; troposphere lower; equivalent latitude; trends upper ... See more keywords
Isoprene nitrates drive new particle formation in Amazon’s upper troposphere
Sign Up to like & getrecommendations! Published in 2024 at "Nature"
DOI: 10.1038/s41586-024-08192-4
Abstract: New particle formation (NPF) in the tropical upper troposphere is a globally important source of atmospheric aerosols1, 2, 3–4. It is known to occur over the Amazon basin, but the nucleation mechanism and chemical precursors… read more here.
Keywords: particle formation; new particle; oxidation; upper troposphere ... See more keywords
Tibetan Plateau Impacts on Global Dust Transport in the Upper Troposphere
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Climate"
DOI: 10.1175/jcli-d-17-0313.1
Abstract: Abstract Dust is a major component of atmospheric aerosol worldwide, greatly affecting regional and global climate. In this study dust aerosol optical depth (DAOD) and dust mass fluxes (DMF) were evaluated at different altitudes using… read more here.
Keywords: tibetan plateau; dust; upper troposphere; plateau impacts ... See more keywords
Elevated carbon monoxide observations over the North Pacific upper troposphere (July 2012–February 2013)
Sign Up to like & getrecommendations! Published in 2025 at "PLOS One"
DOI: 10.1371/journal.pone.0323460
Abstract: A novel use of routine, commercial, and regular in-service passenger airplane in collecting chemistry data over the North Pacific upper troposphere for climate research was started in July 2012. The European In-Service Aircraft for a… read more here.
Keywords: 2012 february; pacific upper; upper troposphere; july 2012 ... See more keywords
Warming Trends of the Upper Troposphere in Taiwan Observed by Radiosonde and Surface Meteorological Stations at Various Altitudes
Sign Up to like & getrecommendations! Published in 2021 at "Atmosphere"
DOI: 10.3390/atmos12081070
Abstract: In recent decades, a more prominent warming trend in the upper troposphere above the tropical western Pacific has been proposed in the literature derived from model simulations, satellite-borne observations, or reanalysis datasets. Rather than applying… read more here.
Keywords: trends upper; surface; taiwan observed; upper troposphere ... See more keywords