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In 1999, an experiment was conducted to see if a combination of complementary radar methods could be used to calculate the discharge of a river without having any of the measuring equipment in the water. The cross-sectional area of the 183-meter wide Skagit River in Washington State was measured using a ground-penetrating radar (GPR) system with a single 100-MHz antenna. A van-mounted, side-looking pulsed-Doppler radar system was used to collect water-surface velocity data across the same section of the river. The combined radar data sets were used to calculate the river discharge and the results compared closely to the discharge measurement made by using the standard in-water measurement techniques.
Additional Publication Details
Ground-penetrating radar methods used in surface-water discharge measurements
Society of Photo-Optical Instrumentation Engineers
Bellingham, WA, United States
Number of Pages:
GPR 2000: The 8th International Conference on Ground Penetrating Radar