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RISA Large Annual Cycle in Ozone above the Tropical Tropopause Linked to the Brewer–Dobson Circulation
Publisher: American Meteorological Society
Abstract: Near-equatorial ozone observations from balloon and satellite measurements reveal a large annual cycle in ozone above the tropical tropopause. The relative amplitude of the annual cycle is large in a narrow vertical layer ...
Evaluation of the Ozone Fields in NASA’s MERRA-2 Reanalysis
Publisher: American Meteorological Society
Abstract: AbstractThe assimilated ozone product from the Modern-Era Retrospective Analysis for Research and Applications, version 2 (MERRA-2), produced at NASA?s Global Modeling and Assimilation Office (GMAO) spanning the time period ...
Comparison of Aura MLS Water Vapor Measurements with GFS and NAM Analyses in the Upper Troposphere–Lower Stratosphere
Publisher: American Meteorological Society
Abstract: Water vapor mixing ratios in the upper troposphere and lower stratosphere measured by the Aura Microwave Limb Sounder (MLS) version 2.2 instrument have been compared with Global Forecast System (GFS) analyses at five levels ...
Observed Increase of TTL Temperature and Water Vapor in Polluted Clouds over Asia
Publisher: American Meteorological Society
Abstract: atellite observations are analyzed to examine the correlations between aerosols and the tropical tropopause layer (TTL) temperature and water vapor. This study focuses on two regions, both of which are important pathways ...
Evaluating the Diurnal Cycle of Upper-Tropospheric Ice Clouds in Climate Models Using SMILES Observations
Publisher: American Meteorological Society
Abstract: pper-tropospheric ice cloud measurements from the Superconducting Submillimeter Limb Emission Sounder (SMILES) on the International Space Station (ISS) are used to study the diurnal cycle of upper-tropospheric ice cloud ...