Results 41 to 50 of about 56,503 (208)

Higher tropical SSTs strengthen the tropical upwelling via deep convection [PDF]

Geophysical Research Letters, 2008
Recent observations show a distinct cooling of the tropical lower stratosphere, and chemistry‐climate models (CCMs) suggest a link to a strengthening tropical upwelling, arguably related to increases in greenhouse gas concentrations from anthropogenic activity.
Deckert, Rudolf, Dameris, Martin
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Contribution of mixing to upward transport across the tropical tropopause layer (TTL) [PDF]

, 2006
During the second part of the TROCCINOX campaign that took place in Brazil in early 2005, chemical species were measured on-board the high-altitude research aircraft Geophysica (ozone, water vapor, NO, NOy, CH4 and CO) in the altitude range up to 20 km ...
Günther, Gebhard, Konopka, Paul, McKenna, Daniel-S., Müller, Rolf, Pan, Laura L., Ravegnani, Fabrizio, Riese, Martin, Santos, Fábio Henrique Silva dos, Schiller, Cornelius, Schlager, Hans, Ulanovsky, Alexey, Viciani, Silvia, Volk, C.-Michael   +12 more
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Downdraft impacts on tropical convection

, 2013
Downdrafts are an integral part of the convective cycle, and have been observed and documented for more than a hundred years. But many questions still surround convective downdrafts and their most difficult to observe properties. These questions have made the parameterization of convective downdrafts in global climate models (GCMs) very difficult ...
Thayer-Calder, Katherine, author, Randall, David, advisor, Johnson, Richard, committee member, Maloney, Eric, committee member, Strout, Michelle, committee member   +4 more
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Size-Resolved Evaluation of Simulated Deep Tropical Convection [PDF]

Monthly Weather Review, 2018
AbstractDeep moist convection is an inherently multiscale phenomenon with organization processes coupling convective elements to larger-scale structures. A realistic representation of the tropical dynamics demands a simulation framework that is capable of representing physical processes across a wide range of scales.
Senf, F., Klocke, D., Brueck, M.
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Implications of large scale shifts in tropospheric NOx levels in the remote tropical Pacific [PDF]

, 1997
A major observation recorded during NASA's western Pacific Exploratory Mission (PEM-West B) was the large shift in tropical NO levels as a function of geographical location.
Anderson, B, Barrick, J, Blake, D, Bradshaw, J, Browell, E, Chen, G, Crawford, JH, Davis, DD, Gregory, G, Kondo, Y, Liu, S, Merrill, J, Pueschel, R, Sachse, G, Sandholm, S, Talbot, R   +15 more
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How important is tropospheric humidity for coastal rainfall in the tropics?

Geophysical Research Letters, 2016
Climate models show considerable rainfall biases in coastal tropical areas, where approximately 33% of the overall rainfall received is associated with coastal land‐sea interaction.
Martin Bergemann, Christian Jakob
doaj   +1 more source

Recent Studies on Changes in Track and Convection Associated with Tropical Cyclone Landfall

Tropical Cyclone Research and Review, 2012
: As a tropical cyclone makes landfall, changes in friction and moisture as well as the presence of topography will modify the flow and subsequently the convection associated with the tropical cyclone. As a result, the distribution of potential vorticity
Johnny C.L. Chan
doaj   +1 more source

Observed Modulation of the Tropical Radiation Budget by Deep Convective Organization and Lower‐Tropospheric Stability

AGU Advances, 2020
This study analyzes the observed monthly deseasonalized and detrended variability of the tropical radiation budget and suggests that variations of the lower‐tropospheric stability and of the spatial organization of deep convection both strongly ...
S. Bony, A. Semie, R. J. Kramer, B. Soden, A. M. Tompkins, K. A. Emanuel   +5 more
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Relating tropical ocean clouds to moist processes using water vapor isotope measurements [PDF]

Atmospheric Chemistry and Physics, 2011
We examine the co-variations of tropospheric water vapor, its isotopic composition and cloud types and relate these distributions to tropospheric mixing and distillation models using satellite observations from the Aura Tropospheric Emission Spectrometer
J. Lee, J. Worden, D. Noone, K. Bowman, A. Eldering, A. LeGrande, J.-L. F. Li, G. Schmidt, H. Sodemann   +8 more
doaj   +1 more source

Large‐Eddy Simulation of Maritime Deep Tropical Convection [PDF]

Journal of Advances in Modeling Earth Systems, 2009
This study represents an attempt to apply Large‐Eddy Simulation (LES) resolution to simulate deep tropical convection in near equilibrium for 24 hours over an area of about 205 × 205 km2, which is comparable to that of a typical horizontal grid cell in a global climate model. The simulation is driven by large‐scale thermodynamic tendencies derived from
Peter A Bogenschutz, David A Randall, Chin-Hoh Moeng, Steve K Krueger, Marat F. Khairoutdinov   +4 more
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