Unprecedented evidence for deep convection hydrating the tropical stratosphere

6533b862fe1ef96bd12c755d

RESEARCH PRODUCT

Unprecedented evidence for deep convection hydrating the tropical stratosphere

Giovanni Martucci N. Sitnikov Cornelius Schiller Valentin Mitev Dominik Brunner F. H. S. Dos Santos Renaud Matthey Stephan Borrmann Nicole Spelten B. P. Luo Francesco Cairo G. Shur Thomas Peter H. Vössing Michael J. Mahoney T. Corti M. De Reus

subject

Convection Deep convection Geophysics Altitude Evaporation General Earth and Planetary Sciences Potential temperature Atmospheric sciences Stratosphere Geology

description

[1] We report on in situ and remote sensing measurements of ice particles in the tropical stratosphere found during the Geophysica campaigns TROCCINOX and SCOUT-O3. We show that the deep convective systems penetrated the stratosphere and deposited ice particles at altitudes reaching 420 K potential temperature. These convective events had a hydrating effect on the lower tropical stratosphere due to evaporation of the ice particles. In contrast, there were no signs of convectively induced dehydration in the stratosphere.

year	journal	country	edition	language
2008-05-01	Geophysical Research Letters

https://doi.org/10.1029/2008gl033641

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