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Please use this identifier to cite or link to this item: http://hdl.handle.net/2014/40536

Title: Tropical tropopause structure and processes as observed with GPS radio occultation.
Authors: de la Torre Juárez, Manuel
Schrøder, Thomas M.
Ao, Chi O.
Keywords: occultation
climate
atmospheric circulation
remote sensing
water vapors
tropopause
global positioning system (GPS)
Issue Date: 28-Sep-2004
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2004.
Citation: American Institute of Aeronautics and Astronautics (AIAA) Space 2004 Conference, San Diego, California, September 28-30, 2004.
Abstract: The vertical temperature structure of the tropical atmosphere has been explained as controlled by the combined effect of three green house gases: water vapor, carbon dioxide, and ozone. Absorption by water vapor of the light reflected off the Earth's surface would determine the temperature lapse rate in the lower troposphere up to the bottom of the Tropical Transition Layer (TTL); radiative absorption by carbon dioxide would dominate the temperature lapse rate between the bottom of the TTL and the coldest point in the upper-troposphere, the cold point tropopause (CPT), and; absorption of incoming solar radiation by ozone would control the temperature above the CPT. The TTL region can thus be very sensitive to changes in the relative abundances of these greenhouse gases. In this contribution we describe the seasonal evolution of temperature profiles in the TTL and their longitudinal structure using GPS radio occultation.
URI: http://hdl.handle.net/2014/40536
Appears in Collections:JPL TRS 1992+

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