Effect of sill spacing and sediment size grading on scouring at grade-control structures

Earth Surface Processes and Landforms

Volumn 29, Issue 8, 2004, Pages 983-993

  Marion, Andrea ^a   Lenzi, Mario A ^a   Comiti, Francesco ^a  

^a UNIVERSITY OF PADOVA   (Italy)

Author keywords

Bed erosion; Grade control structures; High gradient streams; Scouring; Step pool

Indexed keywords

GRAIN SIZE AND SHAPE; GRAVEL; MORPHOLOGY; SEDIMENT TRANSPORT;

SEDIMENT SIZE; SILL SPACING;

RIVERS;

CHANNEL MORPHOLOGY; EROSION FEATURE; GRAVEL BED STREAM; SCOUR; SILL; STREAM BED;

EID: 3843107071     PISSN: 01979337     EISSN: None     Source Type: Journal    
DOI: 10.1002/esp.1081     Document Type: Article

References (23)

1. Bormann N, Julien PY. 1991. Scour downstream of grade-control structures. Journal of Hydraulic Engineering 117(5): 579-594.
2. Chen JY, Hong YM. 2001. Characteristics of check dam scour hole by free over-fall flow. Journal of the Chinese Institute of Engineering 24(6): 673-680.
3. Chin A. 1999. The morphologic structure of step-pools in mountain streams. Geomorphology 27: 191-204.
4. Comiti F. 2003. Local scouring in natural and artificial step-pool systems. PhD thesis, University of Padova.
5. Crowe J. 2002. An experimental study of the step-pool bed form. PhD thesis, John Hopkins University, Baltimore.
6. D'Agostino V. 1994. Indagine sullo scavo a valle di opere trasversali tramite modello fisico a fondo mobile. L'Energia Elettrica 71(2): 37-51 (in Italian).
7. Gaudio R, Marion A. 2003. Time evolution of scouring downstream of bed sills. Journal of Hydraulic Research, IAHR 41(3): 271-284.
8. Gaudio R, Marion A, Bovolin V. 2000. Morphological effects of bed sills in degrading rivers. Journal of Hydraulic Research, IAHR 38(2): 89-96.
9. Ghodsian M, Faradonbeh AA. 2001. Effect of sediment gradation on scour below free over fall spillway. Proceedings of 3rd International Symposium on Environmental Hydraulics. ISEH: Tempe, Arizona (on CD-ROM).
10. Lenzi MA. 2001. Step-pool evolution in the Rio Cordon, Northeastern Italy. Earth Surface Processes and Landforms 26: 991-1008.
11. Lenzi MA. 2002. Stream bed stabilization using boulder check dams that mimic step-pool morphology features in Northern Italy. Geomorphology 45: 243-260.
12. Lenzi MA, Comiti F. 2003. Local scouring and morphological adjustments in steep channels with check-dam sequences. Geomorphology 55 (special issue): 97-109.
13. Lenzi MA, Marion A, Comiti F, Gaudio R. 2002. Local scouring in low and high gradient streams at bed sills. Journal of Hydraulic Research, IAHR 40(6): 731-739.
14. Lenzi MA, Marion A, Comiti F. 2003a. Interference processes on scouring at bed sills. Earth Surface Processes Landforms 28(1): 99-110.
15. Lenzi MA, Marion A, Comiti F. 2003b. Local scouring at grade-control structures in mountain rivers. Water Resources Research, 39(7): 1176-1188.
16. Lunardi S. 2002. Indagine sperimentale presso il torrente Cordevole (Arabba, BL) sullo scavo a valle di soglie di fondo: aspetti sedimentologici e geometrici. MSc thesis, University of Padova (in Italian).
17. Martin Vide JP, Del Agua Razquin J. 1995. Erosion local en traviesas de proteccion en cauces. Ingenieria Civil 2: 58-64 (in Spanish).
18. Mason PJ, Arumugam K. 1985. Free jet scour below dams and flip buckets. Journal of Hydraulic Engineering, ASCE 111(2): 220-235.
19. Rice CE, Kadavy KC. 1998. Low-drop grade control structure. Transactions of the ASAE 41(5): 1337-1343.
20. Whittaker JG. 1987. Sediment transport in step-pool streams. In Sediment Transport in Gravel Bed Rivers, Thorne CR, Bathurst JC, Hey RD (eds). John Wiley & Sons: Chichester; 545-570.
21. Wohl EE. 2000. Mountain Rivers. Water Resource Monograph 14: Washington DC.
22. Wohl EE, Madsen S, MacDonald L. 1997. Characteristics of log and clast bed-steps in step-pool streams of northwestern Montana, USA. Geomorphology 20: 1-10.
23. Zanini S, Comiti F, Lenzi A, Marion A. 2003. Morphodynamic interference on scour holes generated by bed sills in mountain rivers. Proceedings of XXX IAHR Congress, 24-29 August, Thessaloniki, Greece.