Phosphorus loss from an agricultural watershed as a function of storm size.

  title={Phosphorus loss from an agricultural watershed as a function of storm size.},
  author={Andrew N. Sharpley and Peter J. A. Kleinman and A. Louise Heathwaite and William J. Gburek and Gordon J Folmar and John P Schmidt},
  journal={Journal of environmental quality},
  volume={37 2},
Phosphorus (P) loss from agricultural watersheds is generally greater in storm rather than base flow. Although fundamental to P-based risk assessment tools, few studies have quantified the effect of storm size on P loss. Thus, the loss of P as a function of flow type (base and storm flow) and size was quantified for a mixed-land use watershed (FD-36; 39.5 ha) from 1997 to 2006. Storm size was ranked by return period (<1, 1-3, 3-5, 5-10, and >10 yr), where increasing return period represents… CONTINUE READING
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