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AGNPS: A nonpoint-source pollution model for evaluating agricultural watersheds
Abstract
A computer model to analyze nonpoint-source pollution and to prioritize potential water quality problems in rural areas is described. The event-based model uses geographic cells of data units at resolutions of 0.4 to 16 ha to represent upland and channel conditions. Within the framework of the cells, runoff characteristics and transport processes of sediment, nutrients, and chemical oxygen demand are simulated for each cell and routed to the outlet. This permits the flow at any point in the watershed to be examined. Upland sources contributing to a potential problem can be identified and prioritized where remedial measures could be initiated to improve water quality most efficiently.
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Citations
Cited by
Comparing uncertainty analysis techniques for a SWAT application to the Chaohe Basin in China
Yang, J., Reichert, P., Abbaspour, K. C., Xia, J., & Yang, H. (2008) · Journal of Hydrology · doi:10.1016/j.jhydrol.2008.05.012 · Cited by 800
Using the USLE: Chances, challenges and limitations of soil erosion modelling
Alewell, C., Borrelli, P., Meusburger, K., & Panagos, P. (2019) · International Soil and Water Conservation Research · doi:10.1016/j.iswcr.2019.05.004 · Cited by 804
Evaluating Hydrologic Response of an Agricultural Watershed for Watershed Analysis
Jha, M. K. (2011) · Water · doi:10.3390/w3020604 · Cited by 61
Powers, S. E. (2005) · doi:10.2172/15016223 · Cited by 30
Metadata
- Authors
- Young, R. A., Onstad, C. A., Bosch, D. D., & Anderson, W. P.
- Venue
- Journal of Soil and Water Conservation
- Publisher
- Informa UK Limited
- Published
- 1989-03
- Volume
- 44
- Issue
- 2
- Pages
- 168-173
- ISSN
- 0022-4561 (ISSN-L)
- 1941-3300
- OpenAlex
- W1839261311
- Cited by
- 932
- References
- 0
- FWCI
- 10.00
- Type
- journal article
- Language
- en
- Open access
- closed
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How to cite
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- CoChat. (2026). Citation check: AGNPS: A nonpoint-source pollution model for evaluating agricultural watersheds. https://app.cochat.ai/papers/10.1080/00224561.1989.12456304
- The paper
- Young, R. A., Onstad, C. A., Bosch, D. D., & Anderson, W. P. (1989). AGNPS: A nonpoint-source pollution model for evaluating agricultural watersheds. Journal of Soil and Water Conservation. https://doi.org/10.1080/00224561.1989.12456304
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
