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Martti Saarilahti

Tutkimuksia radioaaltomenetelmien soveltuvuudesta turvemaiden kulkukelpoisuuden arvioimiseen

Saarilahti M. (1982). Tutkimuksia radioaaltomenetelmien soveltuvuudesta turvemaiden kulkukelpoisuuden arvioimiseen. Acta Forestalia Fennica no. 176 article id 7623. https://doi.org/10.14214/aff.7623

English title: Studies on the possibilities of using radar techniques in detecting the trafficability of peatlands.


The possibilities of using microwave techniques in detecting the trafficability of peatlands is discussed. Three microwave methods were tested. 1) A FM-CW radar using 1.01.8 GHz frequency was used to measure the frost thickness of peat layer. It was possible to follow the variations in snow and frost layer thickness. Total reflected power might indicate the wetness class of the peatland, which is also a trafficability factor. 2) A short-pulse radar with 100 MHz frequency was tested in summer condition. Good profiling of peat layers was obtained, giving basic information for trafficability analysis. 3) A mapping of brightness of temperature of peatlands in summer conditions using a 790 MHz radiometer. The measured brightness temperature was correlated with vegetation cover, thus giving some information of trafficability.

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Original keywords
turvemaat; ojitetut suot; kulkukelpoisuus; turpeen kosteus; maasto; tutka; menetelmät

English keywords
peatlands; peat; terrain; radar; methods; trafficability

Published in 1982

Available at https://doi.org/10.14214/aff.7623 | Download PDF

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