Sublimb CO2 4200 nm measurements of small-scale internal gravity wave (GW) sources and their propagation and effects on the OH airglow

John B. Kumer; John L. Mergenthaler; Richard L. Rairden; Aidan E. Roche; Gary R. Swenson; Alan Z. Liu; M. Joan Alexander; David C. Fritts

doi:10.1117/12.454466

31 January 2002 Sublimb CO₂ 4200 nm measurements of small-scale internal gravity wave (GW) sources and their propagation and effects on the OH airglow

John B. Kumer, John L. Mergenthaler, Richard L. Rairden, Aidan E. Roche, Gary R. Swenson, Alan Z. Liu, M. Joan Alexander, David C. Fritts

Author Affiliations +

Proceedings Volume 4539, Remote Sensing of Clouds and the Atmosphere VI; (2002) https://doi.org/10.1117/12.454466
Event: International Symposium on Remote Sensing, 2001, Toulouse, France

Abstract

The Waves middle class Explorer mission (WE) is proposed to observe and quantify the effects of small-scale internal Gravity Waves (GW) in the Earth's atmosphere from source regions in the troposphere and lower stratosphere to the mesosphere, lower thermosphere, and ionosphere (MLTI) where the GW have their most dramatic effects. These are now understood to be a key element in defining large-scale circulation, thermal and constituent structures, and variability of the stratosphere and MLTI. The WE instrumentation consists of 5 nadir and limb viewing sensors of the wave perturbed emission structure due to GW throughout the source and affected regions. The WE PI is Prof. G.R. Swenson. This paper addresses the measurement strategy and implementation for two of these instruments, the Source Wave And Propagation Imager (SWAPI), and the Hydroxyl Airglow Wave Imager (HAWI). The SWAPI uses multi-spectral sublimb imaging measurements in the CO₂ (nu) ₃ band near 4210 nm to identify GW sources, and their propagation through the stratosphere. Its measurement strategy is driven by data, particularly sublimb images in the CO₂ (nu) ₃ band that were obtained by instrumentation deployed on the Midcourse Space Experiment (MSX) satellite, and by the WE team member's data analysis and models. Similarly team member's ground based observational experience and data analysis drives the HAWI measurement strategy.

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John B. Kumer, John L. Mergenthaler, Richard L. Rairden, Aidan E. Roche, Gary R. Swenson, Alan Z. Liu, M. Joan Alexander, and David C. Fritts "Sublimb CO₂ 4200 nm measurements of small-scale internal gravity wave (GW) sources and their propagation and effects on the OH airglow", Proc. SPIE 4539, Remote Sensing of Clouds and the Atmosphere VI, (31 January 2002); https://doi.org/10.1117/12.454466

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KEYWORDS

Clouds

Airglow

Atmospheric propagation

Wave propagation

Optical filters

Sensors

Stratosphere

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