[AAS15-P02] Micro-Scale Atmospheric Pressure Measurement on the Campus of J. F. Oberlin University
Keywords:measurement of atmospheric pressure, MEMS, internet
In recent years, MEMS technology has made small and inexpensive barometric pressure sensors available. Using these, observation project has been started in the area around Machida Campus in Machida City, Tokyo. The objective is to capture phenomena related to keywords such as gust front, movement of the precipitation zone, gravitational current, and internal gravity waves. To capture them, the observation is designed with a time resolution of 1 second and a spatial resolution of several hundred meters. At the Meteorological Society of Japan 2019 Fall Meeting, he presented his initial results. In this presentation, I will present an attempt to correct the pressure fluctuation of each sensor. Since each sensor has different characteristics, it is thought that the raw measurement results should not be used directly for data analysis. The pressure at each observation point differs individually. However, it can be expected that there will be no difference between observations in short ranges for fluctuations with a very long period. Therefore, the data is calibrated so that the standard deviation of the low-pass filtered atmospheric pressure data becomes the same. Detailed results will be shown on the day.