Brenton Watkins  --  Emeritus Professor of Physics

Ionospheric Modelling and Simulation:  In cooperation with the Arctic Regions Supercomputer Center and staff Sergei Maurits and Anton Kulchitsky we have a three-dimensional time-dependent multi-ion model of the polar ionosphere/ This is used for space-weather studies of the upper atmosphere, and simulations of radio-wave propagation through the ionospheric plasma.

Incoherent-scatter radar studies of the polar ionosphere. We use the NSF radar facility at Poker Flat Alaska.

Imaging Riometer Studies: A riometer is an instrument that monitors the background radio emission (about 30-40 MHz frequency) from from space. The occurrence of ionization in the collision-domianted region of the upper atmosphere will absorb these radio waves. This radio-wave absorption monitored on an array of antennas can in turn be used to monitor electron densities over a two-dimensional region above the instrument. We have used instruments at Poker Flat Alaska, and Sondrestrom, Greenland to map sporadic layers of metal ions, and regions of auroral electron precipitation.

Ionospheric Modification using High-Power HF Radio Waves:

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