Article (Scientific journals)
The chaos in calibrating crop models: Lessons learned from a multi-model calibration exercise
Wallach, Daniel; Palosuo, Taru; Thorburn, Peter et al.
2021In Environmental Modelling & Software, 145, p. 105206
Peer reviewed
 

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Keywords :
Calibration recommendations; Process-based models; Parameter estimation; Phenology
Abstract :
[en] Calibration, the estimation of model parameters based on fitting the model to experimental data, is among the first steps in many applications of process-based models and has an important impact on simulated values. We propose a novel method of developing guidelines for calibration of process-based models, based on development of recommendations for calibration of the phenology component of crop models. The approach was based on a multi-model study, where all teams were provided with the same data and asked to return simulations for the same conditions. All teams were asked to document in detail their calibration approach, including choices with respect to criteria for best parameters, choice of parameters to estimate and software. Based on an analysis of the advantages and disadvantages of the various choices, we propose calibration recommendations that cover a comprehensive list of decisions and that are based on actual practices.
Disciplines :
Agriculture & agronomy
Computer science
Author, co-author :
Wallach, Daniel
Palosuo, Taru
Thorburn, Peter
Hochman, Zvi
Gourdain, Emmanuelle
Andrianasolo, Fety
Asseng, Senthold
Basso, Bruno
Buis, Samuel
Crout, Neil
Dibari, Camilla
Dumont, Benjamin  ;  Université de Liège - ULiège > Département GxABT > Plant Sciences
Ferrise, Roberto
Gaiser, Thomas
Garcia, Cecile
Gayler, Sebastian
Ghahramani, Afshin
Hiremath, Santosh
Hoek, Steven
Horan, Heidi
Hoogenboom, Gerrit
Huang, Mingxia
Jabloun, Mohamed
Jansson, Per-Erik
Jing, Qi
Justes, Eric
Kersebaum, Kurt Christian
Klosterhalfen, Anne
Launay, Marie
Lewan, Elisabet
Luo, Qunying
Maestrini, Bernardo
Mielenz, Henrike
Moriondo, Marco
Zadeh, Hasti Nariman
Padovan, Gloria
Olesen, Jørgen Eivind
Poyda, Arne
Priesack, Eckart
Pullens, Johannes Wilhelmus Maria
Qian, Budong
Schütze, Niels
Shelia, Vakhtang
Souissi, Amir
Specka, Xenia
Srivastava, Amit Kumar
Stella, Tommaso
Streck, Thilo
Trombi, Giacomo
Wallor, Evelyn
Wang, Jing
Weber, Tobias K. D.
Weihermüller, Lutz
Wit, Allard De
Wöhling, Thomas
Xiao, Liujun
Zhao, Chuang
Zhu, Yan
Seidel, Sabine J.
More authors (49 more) Less
Language :
English
Title :
The chaos in calibrating crop models: Lessons learned from a multi-model calibration exercise
Publication date :
2021
Journal title :
Environmental Modelling & Software
ISSN :
1364-8152
Volume :
145
Pages :
105206
Peer reviewed :
Peer reviewed
Available on ORBi :
since 01 December 2021

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