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Application of a conceptual catchment scale nitrate transport model on two rural river basins

Author
Organization
Abstract
A conceptual catchment scale model for simulating nitrate transport in rural river basins has been developed. The model consists of a hydrological part based on the TOPMODEL and a nitrate-leaching module. This module consists of two functions: the SLIM-concept controlling the release of nitrate from the soil root zone and second, a transfer function based on the 'flushing hypothesis' controlling the appearance of nitrate in the stream channel network. The SLIM-concept divides the soil into layers with mobile and immobile categories of water and dissolved solids. Movement of water and dissolved solids between the different layers occurs in response to effective rainfall. The transfer function defines a proportional relation between the decline in catchment mean groundwater table and the nitrate concentrations in the stream channel network. Comparison with field data shows reliable simulation results for two different rural catchments, although improvements can be expected when topographical data and field data on the nitrate content in the soil profile at the onset of winter drainage are taken into account.
Keywords
TIME-DOMAIN REFLECTOMETRY, agriculture, conceptual model, SOLUTE TRANSPORT, RUNOFF, SOILS, soil-water interactions, nitrate transport, catchment scale, SIMULATION

Citation

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MLA
1.
Van Herpe Y, Troch PA, Callewier L, Quinn P. Application of a conceptual catchment scale nitrate transport model on two rural river basins. In: Van der Hoek K, Erisman J, Smeulders S, Wisniewski J, Wisniewski J, editors. NITROGEN, THE CONFER-N-S. Amsterdam, The Netherlands: Elsevier Science bv; 1998. p. 569–77.
APA
[1]
Y. Van Herpe, P. A. Troch, L. Callewier, and P. Quinn, “Application of a conceptual catchment scale nitrate transport model on two rural river basins,” in NITROGEN, THE CONFER-N-S, Noordwijkerhout, The Netherlands, 1998, pp. 569–577.
Chicago author-date
Van Herpe, Yves, et al. “Application of a Conceptual Catchment Scale Nitrate Transport Model on Two Rural River Basins.” NITROGEN, THE CONFER-N-S, edited by KW Van der Hoek et al., Elsevier Science bv, 1998, pp. 569–77.
Chicago author-date (all authors)
Van Herpe, Y., Troch, P. A., Callewier, L., & Quinn, P. (1998). Application of a conceptual catchment scale nitrate transport model on two rural river basins. In K. Van der Hoek, J. Erisman, S. Smeulders, J. Wisniewski, & J. Wisniewski (Eds.), NITROGEN, THE CONFER-N-S (pp. 569–577). Amsterdam, The Netherlands: Elsevier Science bv.
Vancouver
Van Herpe, Yves, Peter A Troch, Lieven Callewier, and PF Quinn. 1998. “Application of a Conceptual Catchment Scale Nitrate Transport Model on Two Rural River Basins.” In NITROGEN, THE CONFER-N-S, edited by KW Van der Hoek, JW Erisman, S Smeulders, JR Wisniewski, and J Wisniewski, 569–77. Amsterdam, The Netherlands: Elsevier Science bv.
IEEE
Van Herpe, Yves, Peter A Troch, Lieven Callewier, and PF Quinn. 1998. “Application of a Conceptual Catchment Scale Nitrate Transport Model on Two Rural River Basins.” In NITROGEN, THE CONFER-N-S, ed by. KW Van der Hoek, JW Erisman, S Smeulders, JR Wisniewski, and J Wisniewski, 569–577. Amsterdam, The Netherlands: Elsevier Science bv.
@inproceedings{400225,
  abstract     = {{A conceptual catchment scale model for simulating nitrate transport in rural river basins has been developed. The model consists of a hydrological part based on the TOPMODEL and a nitrate-leaching module. This module consists of two functions: the SLIM-concept controlling the release of nitrate from the soil root zone and second, a transfer function based on the 'flushing hypothesis' controlling the appearance of nitrate in the stream channel network. The SLIM-concept divides the soil into layers with mobile and immobile categories of water and dissolved solids. Movement of water and dissolved solids between the different layers occurs in response to effective rainfall. The transfer function defines a proportional relation between the decline in catchment mean groundwater table and the nitrate concentrations in the stream channel network. Comparison with field data shows reliable simulation results for two different rural catchments, although improvements can be expected when topographical data and field data on the nitrate content in the soil profile at the onset of winter drainage are taken into account.}},
  author       = {{Van Herpe, Yves and Troch, Peter A and Callewier, Lieven and Quinn, PF}},
  booktitle    = {{NITROGEN, THE CONFER-N-S}},
  editor       = {{Van der Hoek, KW and Erisman, JW and Smeulders, S and Wisniewski, JR and Wisniewski, J}},
  isbn         = {{0-08-043201-8}},
  keywords     = {{TIME-DOMAIN REFLECTOMETRY,agriculture,conceptual model,SOLUTE TRANSPORT,RUNOFF,SOILS,soil-water interactions,nitrate transport,catchment scale,SIMULATION}},
  language     = {{eng}},
  location     = {{Noordwijkerhout, The Netherlands}},
  pages        = {{569--577}},
  publisher    = {{Elsevier Science bv}},
  title        = {{Application of a conceptual catchment scale nitrate transport model on two rural river basins}},
  year         = {{1998}},
}

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