Chapter
Apr 26, 2012
River Bed Sediment Classification Using ADCP
Publication: World Environmental and Water Resources Congress 2009: Great Rivers
Abstract
Description of physical aquatic habitat often includes data describing distributions of water depth, velocity and bed material type. Water depth and velocity in streams deeper than about 1 m may be continuously mapped using an acoustic Doppler current profiler from a moving boat. Herein we examine the potential of using the echo signal strength from the bed as an indicator of bed material type. Mean signal strength from soft, muddy beds was consistently 10 to 20 dB lower than mean signal strength from noncohesive (gravel or sand) beds. Sand beds tended to have complex signatures with large variances.
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Information
Published In
World Environmental and Water Resources Congress 2009: Great Rivers
Pages: 1 - 11
Copyright
© 2009 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Aquatic habitats
- Bed materials
- Doppler systems
- Ecosystems
- Engineering fundamentals
- Environmental engineering
- Equipment and machinery
- Fluid dynamics
- Fluid mechanics
- Geomechanics
- Geotechnical engineering
- Hydrologic engineering
- Measuring instruments
- River and stream beds
- River engineering
- Rivers and streams
- Sediment
- Soil classification
- Soil mechanics
- Soil properties
- Soil strength
- Velocity distribution
- Water and water resources
Authors
Affiliations
National Sedimentation Laboratory, USDA Agricultural Research Service, PO Box 1157, Oxford, MS 38655-1157. E-mail: [email protected], Member, ASCE
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.