Approved for public release; distribution is unlimited. / Timesections of potential temperature, dewpoint temperature, modified radar refractivity (M), and the vertical derivative of the modified radar refractivity (dM/dZ) from radiosondes and the Ground-based High Resolution Interferometer Sounder (GB-HIS) during three experiments are studied to analyze refractive effects in the coastal boundary layer and evaluate GB-HIS performance. In May of 1991 and 1992, the GB-HIS instrument was deployed on the Research Vessel Point Sur during research cruises off the central California coast. In August and September of 1993, the GB-HIS was deployed during the Variation of Coastal Atmospheric Refractivity (VOCAR) experiment at the Naval Air Station in Point Mugu, California. Comparisons of radiosonde observations with the GB-HIS is capable of depicting large-scale air mass changes in the coastal boundary layer with high temporal resolution. As a result, the general location of some refractive layers in the coastal boundary layer can be determined with the GB-HIS data. Small scale features in the moisture timesections from the raob data were not resolved by the GB-HIS with significant skill. The inability of the GB-HIS to capture the vertical moisture gradients seriously limits its ability to monitor refractive conditions.
| Identifer | oai:union.ndltd.org:nps.edu/oai:calhoun.nps.edu:10945/39710 |
| Date | 12 1900 |
| Creators | Ledesma, Roy R. |
| Contributors | Wash, Carlyle H., Davidson, Kenneth L., Naval Postgraduate School (U.S.), Department of Meteorology |
| Publisher | Monterey, California. Naval Postgraduate School |
| Source Sets | Naval Postgraduate School |
| Language | en_US |
| Detected Language | English |
| Type | Thesis |
| Rights | This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. As such, it is in the public domain, and under the provisions of Title 17, United States Code, Section 105, it may not be copyrighted. |
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