superrefraction

[¦sü·pər·ri′frak·shən]

(geophysics)

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Various propagation conditions can be defined by the vertical gradients of M, resulting in three anomalous propagation (AP) conditions: subrefraction, superrefraction, and ducting.

CASPER: Coupled Air-Sea Processes and Electromagnetic Ducting Research

This superrefraction looks like a precipitation area that remains almost perfectly motionless.

Painting the weather: knowing the tricks for staying safe means knowing the basics. With weather radar being one of our most valuable tools, it then follows that you should know how it works

The radio refractive environment can be classified into standard, subrefraction, superrefraction, and ducting environments.

Evaporation duct retrieval using changes in radar sea clutter power versus receiving height