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Related Experiment Video

Updated: Apr 22, 2026

Measurement of Aerosols Optical Thickness of the Atmosphere using the GLOBE Handheld Sun Photometer
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Advanced mesospheric temperature mapper for high-latitude airglow studies.

P-D Pautet, M J Taylor, W R Pendleton

    Applied Optics
    |October 17, 2014
    PubMed
    Summary

    The Advanced Mesospheric Temperature Mapper (AMTM) provides high-resolution maps of mesospheric temperature using hydroxyl emissions. This novel instrument enables detailed studies of atmospheric waves at 87 km.

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    Area of Science:

    • Atmospheric Science
    • Geophysics
    • Remote Sensing

    Background:

    • Ground-based remote sensing of mesospheric temperature (∼87 km) has relied on hydroxyl (OH) emissions for 60 years.
    • Previous instruments (spectrometers, interferometers, radiometers) offered limited spatial/temporal resolution, restricting studies to large-scale atmospheric phenomena.
    • Existing methods struggle with interference from aurora or moonlight.

    Purpose of the Study:

    • Introduce the Advanced Mesospheric Temperature Mapper (AMTM), a novel infrared digital imaging system.
    • Detail the AMTM's capability to map mesospheric temperature and intensity with unprecedented resolution.
    • Demonstrate the AMTM's effectiveness in studying wave dynamics under challenging conditions.

    Main Methods:

    • Utilizes nighttime hydroxyl (OH) emission lines (∼1.5 μm) from the mesosphere (∼87 km).
    • Employs a digital imaging system to create intensity and temperature maps over a 120° field of view.
    • Achieves high spatial (∼0.5 km) and temporal (∼30″) resolution.

    Main Results:

    • The AMTM provides detailed mesospheric temperature maps at ∼87 km with high spatial and temporal resolution.
    • Measurements are validated against a collocated sodium (Na) lidar instrument.
    • The instrument effectively captures wave propagation and dissipation, even during aurora or full moon.

    Conclusions:

    • The AMTM offers a significant advancement in mesospheric temperature monitoring.
    • Its high-resolution mapping capabilities enable detailed investigation of atmospheric dynamics.
    • The instrument is robust and effective under various environmental conditions.