Velocity of radio waves in glaciers as an indicator of their hydrothermal state, structure and regime
Yu. Ya. MacheretInstitute of Geography, Russian Academy of Sciences, Moscow 109017, RussiaM. Yu. MoskalevskyInstitute of Geography, Russian Academy of Sciences, Moscow 109017, RussiaE.V. VasilenkoThe Middle Asia Regional Research Institute of Hydrometeorology, Tashkent, Uzbekistan
ABI
Annotatsiya
Abstract The results of measurements of radio-wave velocities (RWV) by wide-angle reflection (WAR) methods in the temperate Abramov Glacier in the Alai Mountain Ridge and the “two-layered” sub-polar Fridtjovbreen and Hansbreen on Svalbard using a low-frequency (2–13 MHz) radar are considered and discussed. The experimental data obtained and the data from the literature show that the values of RWV could be a good indicator of the hydrothermal state of glaciers. As such, these data enable the identification of cold, temperate and transitional (two-layered) glaciers, and can be used for estimation of the water content in glaciers and changes in the hydrothermal state.
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