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Published online 17 July 2007
Published in J Environ Qual 36:1324-1330 (2007)
DOI: 10.2134/jeq2006.0496
© 2007 American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Efficacy of Bacteroides Measurements for Reducing the Statistical Uncertainty Associated with Hydrologic Flow and Fecal Loads in a Mixed Use Watershed

Randall W. Gentrya,d,*, Alice C. Laytond, Larry D. McKayc, John F. McCarthyc,d, Dan E. Williamsd, Shesh R. Koiralab and Gary S. Saylerd

a Inst. for a Secure and Sustainable Environment, The Univ. of Tennessee, 311 Conference Center Building, Knoxville, TN 37996-4134
b Civil & Environmental Engineering, The Univ. of Tennessee, 62 Perkins Hall, Knoxville, TN 37996-2010
c Dep. of Earth and Planetary Sciences, The Univ. of Tennessee, Knoxville, TN 37996
d Center for Environmental Biotechnology, The Univ. of Tennessee, Knoxville, TN 37996


Figure 1
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Fig. 1. Location map for Knox County, Tennessee, USA and Stock Creek.

 

Figure 2
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Fig. 2. Stock Creek digital elevation model (DEM) showing subbasins and associated sample designations.

 

Figure 3
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Fig. 3. Scatter plot matrix and correlation coefficients for water quality, hydrologic data, and bacterial load data for all sites.

 

Figure 4
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Fig. 4. K-means clusters using 7-d antecedent precipitation, flow, turbidity, and bacterial parameters for all sites.

 

Figure 5
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Fig. 5. Conceptual model for bacterial impacted hydrologic regimes.

 





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Copyright © 2007 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.