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Authors: de Franceschi, M.* 
Rampanelli, G.* 
Sguerso, D.* 
Zardi, D.* 
Zatelli, P.* 
Title: Development of a measurement platformon a light airplane and analysis of airborne measurementsin the atmospheric boundary layer
Issue Date: 2003
Series/Report no.: 2/46 (2003)
Keywords: light airplane measurements
atmospheric dynamics
kinematic GPS positioning
Subject Classification01. Atmosphere::01.01. Atmosphere::01.01.08. Instruments and techniques 
Abstract: In the present paper we provide an overview of a long term research project aimed at setting up a suitable platform for measurements in the atmospheric boundary layer on a light airplane along with some preliminary results obtained from fi eld campaigns at selected sites. Measurements of air pressure, temperature and relative humidity have been performed in various Alpine valleys up to a height of about 2500 m a.m.s.l. By means of GPS resources and specifi c post-processing procedures careful positioning of measurement points within the explored domain has been achieved. The analysis of collected data allowed detailed investigation of atmospheric vertical structures and dynamics typical of valley environment, such as morning transition from ground based inversion to fully developed well mixed convective boundary layer. Based on data collected along fl ights, 3D fi elds of the explored variables have been detected and identifi ed through application of geostatistical techniques (Kriging). The adopted procedures allowed evaluation of the intrinsic statistical structure of the spatial distribution of measured quantities and the estimate of the values of the same variable at unexplored locations by suitable weighted average of data recorded at close locations. Results thus obtained are presented and discussed.
Appears in Collections:Annals of Geophysics

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