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N-STEPS Online Glossary and Additional Resources

Glossary of Terms

Terms and definitions used throughout N-STEPS Online are available through Terminology Services, the authoritative source for EPA glossaries.

  • N-STEPS Online Glossary of Terms

Additional Resources

Mechanistic Modeling

Biggs, B.J.F. 2000. Eutrophication of streams and rivers: Dissolved nutrient-chlorophyll relationships for benthic algae. Journal of the North American Benthological Society 19(1):17–31.

Reckhow, K.H. 1994. Water quality simulation modeling and uncertainty analysis for risk assessment and decision making. Ecological Modelling 72(1-2):1–20.

Reckhow, K.H. 2003. On the need for uncertainty assessment in TMDL modeling and implementation. Journal of Water Resources Planning and Management 129(4):245–246.

Reckhow, K.H., G.B. Arhonditsis, M.A. Kenney, L. Hauser, J. Tribo, C. Wu, K.J. Elcock, L.J. Steinberg, C.A. Stow, and S.J. McBride. 2005. A predictive approach to nutrient criteria. Environmental Science and Technology 39(9):2913–2919.

Reckhow, K.H., and S.C. Chapra. 1983. Confirmation of water quality models. Ecological Modelling 20(2-3):113–133.

Stevens Institute of Technology. No date. Environmental Hydrodynamics. Accessed November 2016. https://www.stevens.edu/research-entrepreneurship/research-centers-labs/davidson-laboratory/academics/technical-thrusts/environmental-hydrodynamics.

USACE. 1995. CE-QUAL-R1: A Numerical One-Dimensional Model of Reservoir Water Quality: User’s Manual. Instruction Report E-82-1. U.S. Army Corps of Engineers, Washington DC. Accessed November 2016. https://usace.contentdm.oclc.org/digital/collection/p266001coll1/id/6873/.

Combined Criteria

USEPA. 2013a. Expert Workshop: Nutrient Enrichment Indicators in Streams. U.S. Environmental Protection Agency. Accessed December 2017. https://www.epa.gov/nutrient-policy-data/expert-workshop-nutrient-enrichment-indicators-streams.

USEPA. 2013b. Guiding Principles for Integrated Nutrient Criteria (Biocriteria). Accessed December 2017. https://www.epa.gov/nutrient-policy-data/guiding-principles-integrated-nutrient-criteria-bioconfirmation.
 

N-STEPS Online

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Last updated on April 13, 2026
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