- Related Research Areas
- Atmospheric Composition
We propose to fly JPL Microwave Temperature Profilers (MTPs) on NASA research aircraft on planned future Atmospheric Composition field campaigns. Since MTP observations identify the tropopause location, this provides important meteorological context for the interpretation of proposed in situ and remote observations of trace gases, aerosols and hydrometeors in the upper troposphere and lower stratosphere. MTP measurements will also contribute to satellite validation papers (since Aqua/AIRS and Aura/MLS/TES/HIRDLS make temperature profile measurements), to satellite interpretation papers (by identifying transport isentropes), and to data assimilation papers. The latter has been done for prior campaigns and has identified biases in the assimilated data. In addition, since the solicitation is giving priority to "proposals that enhance ... existing established measurement techniques," we will do minor upgrades to our three existing MTPs so that they use the state-of-art electronics that we designed for an MTP that we recently delivered for the NSF/NCAR GV. Since all the MTPs will then have the same electronics, it will greatly simplify and reduce the cost of instrument maintenance. It will also significantly reduce the weight of the instruments, and the size of the Data Units. An MTP passively measures the natural thermal microwave emission from oxygen molecules in the atmosphere, and uses this information to retrieve a temperature profile above, at, and below flight level. MTPs are small, lightweight, and can fly autonomously. The flight heritage of the MTP cannot be questioned. In more that two decades of airborne research, MTPs have accumulated more than 4253 flight hours during 752 flights on 47 field campaigns, and most importantly, they have an enviable performance record.
Project PI: Michael Mahoney/Jet Propulsion Laboratory, California Institute of Technology
Jet Propulsion Laboratory M/S 246-101 4800 Oak Grove Drive Pasadena, CA 91109
Phone: (818) 354-5584
Fax: (818) 393-0025
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