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- Yuan, Y.; Bingner, R.L.; Rebich, R.A.
- Transactions of the ASAE 2001 v.44 no.5 pp. 1183-1190
- watersheds; crop production; crop management; cover crops; winter; pollution control; water pollution; erosion control; water erosion; sediment yield; simulation models; agricultural land; losses from soil; runoff; prediction; best management practices; nonpoint source pollution; Mississippi
- ... Sediment and its associated pollutants entering a water body can be very destructive to the health of that system. Best Management Practices (BMPs) can be used to reduce these pollutants, but understanding the most effective practices is very difficult. Watershed models are the most cost-effective tools to aid in the decision-making process of selecting the BMP that is most effective in reducing t ...
- Donald A. Goolsby; William A. Battaglin; Brent T. Aulenbach; Richard P. Hooper
- Journal of environmental quality 2001 v.30 no.2 pp. 329-336
- agricultural land; ammonium nitrogen; basins; nitrate nitrogen; nitrogen; regression analysis; soil; stream flow; streams; total nitrogen; Gulf of Mexico; Illinois; Indiana; Iowa; Minnesota; Mississippi; Ohio
- ... Historical streamflow and concentration data were used in regression models to estimate the annual flux of nitrogen (N) to the Gulf of Mexico and to determine where the nitrogen originates within the Mississippi Basin. Results show that for 1980–1996 the mean annual total N flux to the Gulf of Mexico was 1568000 t yr⁻¹ The flux was about 61% nitrate N, 37% organic N, and 2% ammonium N. The flux of ...