Calibration of an agricultural-hydrological model (RZWQM2) using surrogate global optimization

•A sparse grid method is developed to build a surrogate model of the RZWQM2.•The global optimization algorithm QPSO is used for parameter estimation.•Calibrating the surrogate gives comparable results as the calibration of the RZWQM2.•The surrogate global optimization greatly improves computational...

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Bibliographic Details
Published in:	Journal of hydrology (Amsterdam) Vol. 544; pp. 456 - 466
Main Authors:	Xi, Maolong, Lu, Dan, Gui, Dongwei, Qi, Zhiming, Zhang, Guannan
Format:	Journal Article
Language:	English
Published:	Elsevier B.V 01.01.2017
Subjects:	algorithms crop yield Global optimization Iowa nitrate nitrogen QPSO algorithm Root Zone Water Quality Model RZWQM2 simulation models Sparse grid Surrogate model system optimization water quality Iowa Global optimization Sparse grid QPSO algorithm Surrogate model RZWQM2
ISSN:	0022-1694, 1879-2707
Online Access:	Get full text
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