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Published online 1 May 2008
Published in J Environ Qual 37:1158-1169 (2008)
DOI: 10.2134/jeq2007.0408
© 2008 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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Comparative Study of Transport Processes of Nitrogen, Phosphorus, and Herbicides to Streams in Five Agricultural Basins, USA

Joseph L. Domagalskia,*, Scott Atorb, Richard Coupec, Kathleen McCarthyd, David Lampee, Mark Sandstromf and Nancy Bakere

a U.S. Geological Survey, 6000 J St., Sacramento, CA 95819
b U.S. Geological Survey, 8987 Yellow Brick Rd., Baltimore, MD 21237
c U.S. Geological Survey, 308 South Airport Rd., Jackson, MS 39208
d U.S. Geological Survey, 10615 S.E. Cherry Blossom Dr., Portland, OR 97216
e U.S. Geological Survey, 5957 Lakeside Blvd., Indianapolis, IN 46278
f U.S. Geological Survey, National Water Quality Lab., Denver Federal Center, Building 95, Lakewood, CO 80225


Figure 1
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Fig. 1. Cumulative frequency plot of discharge for the DR2 Drain, Washington. Period of record, 1 Oct. 2003 through 30 Sept. 2004.

 

Figure 2
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Fig. 2. Cumulative frequency plot of discharge for Morgan Creek, Maryland. Period of record, 1 Oct. 2003 through 30 Sept. 2004.

 

Figure 3
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Fig. 3. Cumulative load of nutrients, in percent, for the DR2 Drain, Washington. Period of record, 1 Oct. 2003 through 30 Sept. 2004.

 

Figure 4
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Fig. 4. Cumulative load, in percent, of atrazine, deethylatrazine (DEA), and nitrate in the DR2 Drain. Cumulative load was calculated for the period of 1 Oct. 2003 through 30 Sept. 2004.

 

Figure 5
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Fig. 5. Cumulative load of nutrients, in percent, for Maple Creek, Nebraska. Period of record, 1 Oct. 2002 through 30 Sept. 2004.

 

Figure 6
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Fig. 6. Cumulative load of atrazine, deethylatrazine (DEA), metolachlor, metolachlor ethane-sulfonic acid (ESA), and nitrate, in percent, for Maple Creek. The period of calculation was 1 Oct. 2002 through 30 Sept. 2004.

 

Figure 7
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Fig. 7. Cumulative load of nutrients, in percent, for Morgan Creek, Maryland. Period of record, 1 Oct. 2002 through 30 Sept. 2004.

 

Figure 8
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Fig. 8. Cumulative load, in percent, for atrazine, deethylatrazine (DEA), metolachlor, metolachlor ethane-sulfonic acid (ESA), metolachlor oxanilic acid (OXA), and nitrate for Morgan Creek. The period of calculation was from 1 Oct. 2002 through 20 Sept. 2004.

 





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