| contributor author | K. Debnath | |
| contributor author | V. Nikora | |
| contributor author | A. Elliott | |
| date accessioned | 2017-05-08T20:49:53Z | |
| date available | 2017-05-08T20:49:53Z | |
| date copyright | June 2007 | |
| date issued | 2007 | |
| identifier other | %28asce%290733-9437%282007%29133%3A3%28256%29.pdf | |
| identifier uri | http://yetl.yabesh.ir/yetl/handle/yetl/28539 | |
| description abstract | A new technique for testing the erodibility of cohesive stream banks using an in situ flume is presented. The erosion rate is estimated from direct measurements of bed surface elevations by acoustic sensors. The sediment resuspension rate is obtained using data on sediment concentrations measured by optical backscatter sensors and from water samples. The bed-load contribution to the total erosion rate is evaluated from the conservation equation for sediments. Temporal patterns of erosion and resuspension rates are studied employing stepwise increments of bed-shear stress. The data show that bed load plays a significant role in cohesive bank erosion. The data analysis suggests that erosion and resuspension thresholds observed in experiments were very low or equal to zero. The data support the power type equation for the erosion and resuspension rates with bed-shear stress as the key factor. The data also highlights the potential importance of mud content and water content on erosion. | |
| publisher | American Society of Civil Engineers | |
| title | Stream Bank Erosion: In Situ Flume Tests | |
| type | Journal Paper | |
| journal volume | 133 | |
| journal issue | 3 | |
| journal title | Journal of Irrigation and Drainage Engineering | |
| identifier doi | 10.1061/(ASCE)0733-9437(2007)133:3(256) | |
| tree | Journal of Irrigation and Drainage Engineering:;2007:;Volume ( 133 ):;issue: 003 | |
| contenttype | Fulltext | |
