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Toward improved calibration of hydrologic models: Combining the strengths of manual and automatic methods

Open access
Boyle, Douglas P., Gupta, Hoshin V., Sorooshian, Soroosh·2000·Water Resources Research

Abstract

Automatic methods for model calibration seek to take advantage of the speed and power of digital computers, while being objective and relatively easy to implement. However, they do not provide parameter estimates and hydrograph simulations that are considered acceptable by the hydrologists responsible for operational forecasting and have therefore not entered into widespread use. In contrast, the manual approach which has been developed and refined over the years to result in excellent model calibrations is complicated and highly labor‐intensive, and the expertise acquired by one individual with a specific model is not easily transferred to another person (or model). In this paper, we propose a hybrid approach that combines the strengths of each. A multicriteria formulation is used to “model” the evaluation techniques and strategies used in manual calibration, and the resulting optimization problem is solved by means of a computerized algorithm. The new approach provides a stronger test of model performance than methods that use a single overall statistic to aggregate model errors over a large range of hydrologie behaviors. The power of the new approach is illustrated by means of a case study using the Sacramento Soil Moisture Accounting model.

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Metadata

Authors
Boyle, D. P., Gupta, H. V., & Sorooshian, S.
Venue
Water Resources Research
Published
2000-12
Volume
36
Issue
12
Pages
3663-3674
ISSN
  • 0043-1397 (ISSN-L)
  • 1944-7973
OpenAlex
W1983083246
Cited by
696
References
22
FWCI
32.83
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Toward improved calibration of hydrologic models: Combining the strengths of manual and automatic methods. https://app.cochat.ai/papers/10.1029/2000wr900207
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Boyle, D. P., Gupta, H. V., & Sorooshian, S. (2000). Toward improved calibration of hydrologic models: Combining the strengths of manual and automatic methods. Water Resources Research. https://doi.org/10.1029/2000wr900207

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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