Among other topics, lee waves will be studied in detail by aircrafts, ground sensors and remote sensing with radars, lidars and satellites during the special observation period (SOP: 7 Sept. 99 until 15 Nov. 99) of the Mesoscale Alpine Programme (MAP).
Measurements with logger-equiped gliders can provide valuable additional scientific measurements. All GPS-loggers provide the vertical velocity along the flight path. Additional (potential) temperature and the horizontal wind vector can be recorded by some systems. This allows for a detailed investigation of the flow in the wave region.
The evaluation of a flight by Hermann Trimmel during the seminar in Serres (1998) shows promising results.
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Have a look to the Diploma Thesis by Bernhard Forster (in german) at http://www.streckenflug.at/gebirgswellen/.