Tropical deep convection and tropical tropopause - Academia Sinica
Tropical deep convection and tropical tropopause - Academia Sinica
Tropical deep convection and tropical tropopause - Academia Sinica
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Conclusions<br />
• <strong>Tropical</strong> <strong>deep</strong> convective storms can penetrate through the<br />
<strong>tropopause</strong> <strong>and</strong> transport water into the stratosphere.<br />
• This transport is due to the gravity wave breaking <strong>and</strong><br />
instability at the cloud top. The forms of such transport<br />
may look different in midlatitudes <strong>and</strong> tropics due to<br />
different wind shear structure.<br />
• The stable cloud top layer is ~ 14-15 km. The vertical<br />
motions in the TTL are oscillatory <strong>and</strong> generate gravity<br />
waves.<br />
• Both the H 2 O <strong>and</strong> momentum transported vertically into the<br />
stratosphere may have implications on the global climate<br />
<strong>and</strong> chemical processes. They may be related to QBO as<br />
well.<br />
• But many questions remain to be answered (e.g., the H2O-<br />
QBO-wind shear connection).
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