Hydrologic and water quality models: Use, calibration, and validation

D. N. Moriasi, B. N. Wilson, K. R. Douglas-Mankin, J. G. Arnold, P. H. Gowda

Research output: Contribution to journalArticlepeer-review

150 Scopus citations


To provide a common background and platform for consensual development of calibration and validation guidelines, model developers and/or expert users of the commonly used hydrologic and water quality models globally were invited to write technical articles recommending calibration and validation procedures specific to their model. This article introduces a special collection of 22 research articles that present and discuss calibration and validation concepts in detail for 25 hydrologic and water quality models. The main objective of this introductory article is to introduce and summarize key aspects of the hydrologic and water quality models presented in this collection. The models range from field to watershed scales for simulating hydrology, sediment, nutrients, bacteria, and pesticides at temporal scales varying from hourly to annually. Individually, the articles provide model practitioners with detailed, model-specific guidance on model calibration, validation, and use. Collectively, the articles in this collection present a consistent framework of information that will facilitate development of a proposed set of ASABE model calibration and validation guidelines.

Original languageEnglish (US)
Pages (from-to)1241-1247
Number of pages7
JournalTransactions of the ASABE
Issue number4
StatePublished - Jul 1 2012


  • Calibration
  • Guidelines
  • Hydrologic models
  • Hydrology
  • Validation
  • Water quality
  • Watershed


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