Abstract
Suspended sand concentrations and bedforms under waves were measured in the controlled environment of a large wave flume. Three suspension conditions are discussed here; those occurring with regular (monochromatic) waves of height 0.55m over anorbital ripples, regular waves 1.0m high over orbital bedforms, and repeating wave groups (with a significant wave height of 0.6m) also over orbital-scale features. In all cases the wave-to-wave variability in suspended load was high (∼30%). Patterns of suspension were dependent on the bedform type and on instrument location relative to the bedform. Regular waves suspended an order of magnitude more sediment than groupy waves with a similar significant wave height illustrating,the importance of sequences of high waves in pumping-up sediment concentration into the water column.
| Original language | English |
|---|---|
| Title of host publication | Coastal Dynamics '01 |
| Subtitle of host publication | Proceedings of the Fourth Conference on Coastal Dynamics |
| Editors | Hans Hanson, Magnus Larson |
| Publisher | American Society of Civil Engineers |
| Pages | 303-312 |
| Number of pages | 10 |
| ISBN (Print) | 9780784405666 |
| DOIs | |
| Publication status | Published - 11 Jun 2001 |
| Event | 4th ASCE Conference on Coastal Dynamics 2001 - Lund, Sweden Duration: 11 Jun 2001 → 15 Jun 2001 |
Conference
| Conference | 4th ASCE Conference on Coastal Dynamics 2001 |
|---|---|
| Abbreviated title | Coastal Dynamics 2001 |
| Country/Territory | Sweden |
| City | Lund |
| Period | 11/06/01 → 15/06/01 |
Keywords
- METIS-125194
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