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Abstract
The U.S. Geological Survey is investigating the performance of radars used for stage (or water-level) measurement. This paper presents a comparison of estimated uncertainties and data for radar water-level measurements with float, bubbler, and wire weight water-level measurements. The radar sensor was also temperature-tested in a laboratory. The uncertainty estimates indicate that radar measurements are more accurate than uncorrected pressure sensors at higher water stages, but are less accurate than pressure sensors at low stages. Field data at two sites indicate that radar sensors may have a small negative bias. Comparison of field radar measurements with wire weight measurements found that the radar tends to measure slightly lower values as stage increases. Copyright ASCE 2005.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Radar stage uncertainty |
| ISBN | 0784407924; 9780784407929 |
| DOI | 10.1061/40792(173)434 |
| Year Published | 2005 |
| Language | English |
| Larger Work Title | World Water Congress 2005: Impacts of Global Climate Change - Proceedings of the 2005 World Water and Environmental Resources Congress |
| First page | 434 |
| Conference Title | 2005 World Water and Environmental Resources Congress |
| Conference Location | Anchorage, AK |
| Conference Date | 15 May 2005 through 19 May 2005 |
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