CEDAR: Mid-Latitude Long-Term Mesospheric and Lower Thermospheric Dynamics Measurements from a Mid-Latitude Site at Peach Mountain, Michigan

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This proposal requests continued CEDAR support to operate and analyze data from the set of optical instruments at Peach Mountain Observatory (PMO), Michigan. The program will address the following objectives: 1) the continued collection of mesospheric and lower thermospheric geophysical data (neutral winds and temperatures for airglow layers corresponding to hydroxyl and atomic oxygen) to establish a long-term, mid-latitude climatology; 2) the coordination and operation of experiments through the comparison of data sets acquired simultaneously by the FPI, ASI, and FTS; 3) the training of graduate student in the operation of the optical experiments plus the interpretation of the data sets; 4) the submission of the collected geophysical data sets to the CEDAR NCAR data base; 5) the analysis and publication of results. In particular, data from the PMO will be used to characterize gravity-wave and tidal behavior in the mesosphere and the lower thermosphere in an attempt to determine the significance of the background neutral-wind bulk flow in the interpretation of gravity- wave fluctuations.