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| Web URL(s): | http://elibrary.asabe.org/azdez.asp?JID=3&AID=5756&CID=aeaaj1999&v=15&i=2&T=2&redirType=
Last checked: 09/25/2015
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| Publication Type:
| Refereed |
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| Author(s): | Temple, D. M. |
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| Author Affiliation: | ASAE Member Engineer, Hydraulic Engineer, USDA ARS, Stillwater, OK |
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| Title: | Flow resistance of grass-lined channel banks |
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| Source: | Applied Engineering in Agriculture. Vol. 15, No. 2, March 1999, p. 129-133. |
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| Publishing Information: | St. Joseph, MI: American Society of Agricultural Engineers |
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| # of Pages: | 5 |
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| Keywords: | TIC Keywords: Darcian flow; Erosion; Slope; Filter strips; Soil water relations; Soil water movement; Hydraulic conductivity; Mathematical equations
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| Abstract/Contents: | "Grass channel linings interact with the flow in such a way as to make the flow resistance vary with flow conditions. For uniformly vegetated channels such as grassed waterways, the traditional approach for managing this variation in computations has been to express Manning's n for the channel as a function of the product of mean velocity and hydraulic radius (n-VR), or Reynold's number. The extent to which this approach could be applied to the computation of composite roughness in channels only partially lined with vegetation, or where vegetal conditions vary sharply within the cross-section, has not been clear. Therefore, tests were conducted to determine the appropriate procedure for computing the composite roughness of these channels. It was found that the traditional n-VR curves could be applied consistently in combination with linear averaging of the wetted perimeter weighted roughness within the cross-section." |
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| Language: | English |
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| References: | 9 |
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| Note: | Pictures, b/w
Tables
Graphs
Figures |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Temple, D. M. 1999. Flow resistance of grass-lined channel banks. Appl. Eng. Agric. 15(2):p. 129-133. |
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| Web URL(s):
http://elibrary.asabe.org/azdez.asp?JID=3&AID=5756&CID=aeaaj1999&v=15&i=2&T=2&redirType=
Last checked: 09/25/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 671 .A66 |
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