Physics
Scientific paper
Oct 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004georl..3120104s&link_type=abstract
Geophysical Research Letters, Volume 31, Issue 20, CiteID L20104
Physics
23
Meteorology And Atmospheric Dynamics: Convective Processes, Meteorology And Atmospheric Dynamics: Climatology (1620), Meteorology And Atmospheric Dynamics: Remote Sensing
Scientific paper
Geostationary satellite observations are used in conjunction with an objective pattern-tracking algorithm to describe the Lagrangian evolution of convection, clouds and water vapor in the tropical upper troposphere. This analysis reveals that larger convective events within a Lagrangian air mass are associated with larger and longer-lived cirrus anvil shields. Convective systems which generate larger cirrus shields are, in turn, associated with higher downstream humidity levels following the anvil's dissipation. In the absence of cirrus, the clear-sky upper troposphere is shown to dry at a rate consistent with radiatively-driven subsidence. The presence of cirrus anvils following a convective event is shown to reduce the rate of drying and for large anvils can even change its sign. Analysis of the Lagrangian tendencies suggests that this moistening effect is not attributable to the evaporation of cirrus condensate, but instead results from the same dynamical mechanisms responsible for the formation and maintenance of the cirrus anvil.
No associations
LandOfFree
The impact of tropical convection and cirrus on upper tropospheric humidity: A Lagrangian analysis of satellite measurements does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with The impact of tropical convection and cirrus on upper tropospheric humidity: A Lagrangian analysis of satellite measurements, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The impact of tropical convection and cirrus on upper tropospheric humidity: A Lagrangian analysis of satellite measurements will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-844387