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Bulgarian Journal of Physics
Print: 1310-0157 Online: 1314-2666
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RECOGNIZED BY THE EUROPEAN PHYSICAL SOCIETY 
Bulg. J. Phys. vol.20 no.3-4 (1993), pp. 065-070
Soil Moisture Estimates with Multifrequency Radar Systems
N. Zerdev1, G.P. Kulemin2
1Institute of Electronics, Bulgarian Academy of Sciences, 72, Tsarigradsko Shose Blvd., Sofia 1784, Bulgaria
2Insitute of Radiophysics and Electronics, The Ukranian Academy of Sciences, Harkov
go back1Institute of Electronics, Bulgarian Academy of Sciences, 72, Tsarigradsko Shose Blvd., Sofia 1784, Bulgaria
2Insitute of Radiophysics and Electronics, The Ukranian Academy of Sciences, Harkov
Abstract. Results from multifrequency soil moisture research experiments carried out by the Airborn Laboratory IL-18 of the Institute of Radiophysics and Electronics, the Ukranian Academy of Sciences are presented. The surroundings of the Irrigation Kara Kum Canal in the Karakum Desert were studied. The soil moisture estimate was made on the basis of data collected by SLARs in the mm and cm ranges using the method of small perturbations and the empirical dielectric mixing model.