Microwave Limb Sounder
Welcome
The Microwave Limb Sounder (MLS) experiments measure naturally-occurring microwave thermal emission from the limb (edge) of Earth's atmosphere to remotely sense vertical profiles of atmospheric gases, temperature, pressure, and cloud ice. The overall objective of these experiments is to provide information that will help improve our understanding of Earth's atmosphere and global change.
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NEAR REAL-TIME DATA VIEWER
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| Maps @ 46hPa; SO2 @ 147hPa and CO @ 215hPa |
Latest Publications
- Kim, J.H., G. Jee, H. Choi, B.M. Kim, and S.J. Kim, "Vertical Structures of Temperature and Ozone Changes in the Stratosphere and Mesosphere during Stratospheric Sudden Warmings," Journal of Astronomy and Space Sciences 37, 1, 69-75, doi:10.5140/JASS.2020.37.1.69, 2020. reprint
- Wing, R., W. Steinbrecht, S. Godin-Beekmann, T. McGee, J. Sullivan, G. Sumnicht, G. Ancellet, A. Hauchecorne, S. Khaykin, and P. Keckhut, "Intercomparison and evaluation of ground- and satellite-based stratospheric ozone and temperature profiles above Observatoire de Haute-Provence during the Lidar Validation NDACC Experiment LAVANDE," Atmospheric Measurement Techniques 13, 10, 5621-5642, doi:10.5194/amt-13-5621-2020, 2020. reprint
- Strahan, S., D. Smale, A. Douglass, T. Blumenstock, J. Hannigan, F. Hase, N. Jones, E. Mahieu, J. Notholt, L. Oman, I. Ortega, M. Palm, M. Prignon, J. Robinson, M. Schneider, R. Sussmann, and V. Velazco, "Observed Hemispheric Asymmetry in Stratospheric Transport Trends From 1994 to 2018," Geophys. Res. Lett. 47, 17, doi:10.1029/2020gl088567, 2020. reprint
- Yu, W., A. Dessler, M. Park, and E. Jensen, "Influence of convection on stratospheric water vapor in the North American monsoon region," Atmos. Chem. Phys. 20, 20, 12153-12161, doi:10.5194/acp-20-12153-2020, 2020. reprint
- Eswaraiah, S., C. Lee, W. Lee, Y. Kim, K. Kumar, and V. Medineni, "Temperature tele‐connections between the tropical and polar middle atmosphere in the Southern Hemisphere during the 2010 minor sudden stratospheric warming," Atmospheric Science Letters, doi:10.1002/asl.1010, 2020. reprint
MLS v5 Data Release
The Aura Microwave Limb Sounder (MLS) team is pleased to announce the release of a new "version 5" MLS dataset.
Reprocessing of the entire 15+ year MLS record with the v5 algorithms is expected to complete in mid-to-late 2021. Until that reprocessing is complete, incoming MLS data will continue to be processed using older v4 algorithms as well as v5, in order to facilitate scientific analyses using a continuous dataset.
A preliminary assessment of the MLS v5 data quality, along with guidelines for appropriate use of the data, is given in the data quality document. Updates to this document are planned in the coming months, when more v5 data will be available for characterization and re-validation and updated estimates of systematic uncertainty are completed.
Data, available from the GES-DISC, can be found through NASA's Earth Data Search tool.
> Full Announcement
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