John H Duff

Summary

Affiliation: U.S. Geological Survey
Country: USA

Publications

  1. ncbi request reprint Nitrate retention in riparian ground water at natural and elevated nitrate levels in north central Minnesota
    John H Duff
    U S Geological Survey, Water Resources Division, 345 Middlefield Road, MS 439, Menlo Park, CA 94025, USA
    J Environ Qual 36:343-53. 2007
  2. doi request reprint Whole-stream response to nitrate loading in three streams draining agricultural landscapes
    John H Duff
    U S Geological Survey, Water Resources Div, 345 Middlefield Road, MS 439, Menlo Park, CA 94025, USA
    J Environ Qual 37:1133-44. 2008
  3. doi request reprint Identifying pathways and processes affecting nitrate and orthophosphate inputs to streams in agricultural watersheds
    Anthony J Tesoriero
    U S Geological Survey, 2130 SW 5th Ave, Portland, OR 97201, USA
    J Environ Qual 38:1892-900. 2009

Detail Information

Publications3

  1. ncbi request reprint Nitrate retention in riparian ground water at natural and elevated nitrate levels in north central Minnesota
    John H Duff
    U S Geological Survey, Water Resources Division, 345 Middlefield Road, MS 439, Menlo Park, CA 94025, USA
    J Environ Qual 36:343-53. 2007
    ..However, elevating NO(3)(-) levels through agricultural cultivation would likely result in increased NO(3)(-) transport to the channel...
  2. doi request reprint Whole-stream response to nitrate loading in three streams draining agricultural landscapes
    John H Duff
    U S Geological Survey, Water Resources Div, 345 Middlefield Road, MS 439, Menlo Park, CA 94025, USA
    J Environ Qual 37:1133-44. 2008
    ....
  3. doi request reprint Identifying pathways and processes affecting nitrate and orthophosphate inputs to streams in agricultural watersheds
    Anthony J Tesoriero
    U S Geological Survey, 2130 SW 5th Ave, Portland, OR 97201, USA
    J Environ Qual 38:1892-900. 2009
    ..While typically not the dominant source of OP, groundwater discharge was an important pathway of OP transport to streams when BFI values were very high and when geochemical conditions favored OP mobility in groundwater...