Article Dans Une Revue Journal of Hydrology Année : 2025

Evaluation of multimodel averaging approaches for ensembling evapotranspiration and yield simulations from maize models

Viveka Nand (1) , Zhiming Qi (1) , Liwang Ma (2) , Matthew J Helmers (3) , Chandra A Madramootoo (1) , Ward N Smith (4) , Tiequan Zhang (5) , Tobias K.D. Weber (6) , Elizabeth Pattey (7) , Ziwei Li (8) , Jiaxin Wang (9) , Virginia L Jin (2) , Qianjing Jiang (1) , Mario Tenuta (10) , Thomas J Trout (2) , Haomiao Cheng (11) , R. Daren Harmel (12) , Bruce A Kimball (13) , Kelly R Thorp (13) , Kenneth J Boote (14) , Claudio Stockle (15) , Andrew E Suyker (16) , Steven R Evett (2) , David K Brauer (2) , Gwen G Coyle (2) , Karen S Copeland (2) , Gary W Marek (2) , Paul D Colaizzi (2) , Marco Acutis (17) , Seyyed Majid Alimagham (18) , Sotirios Archontoulis (3) , Faye Babacar (19, 20) , Zoltán Barcza (21, 22) , Bruno Basso (23) , Patrick Bertuzzi (24) , Julie Constantin (25) , Massimiliano de Antoni Migliorati (26) , Benjamin Dumont (27) , Jean-Louis Durand (1, 3) , Nándor Fodor (28) , Thomas Gaiser (29) , Pasquale Garofalo (30) , Sebastian Gayler (6) , Luisa Giglio (30) , Robert Grant (31) , Kaiyu Guan (32) , Gerrit Hoogenboom (14) , Soo-Hyung Kim (33) , Isaya Kisekka (34) , Jon Lizaso (35) , Sara Masia (36) , Huimin Meng (37) , Valentina Mereu (38) , Ahmed Mukhtar (39, 40) , Alessia Perego (17) , Bin Peng (41) , Eckart Priesack (42) , Vakhtang Shelia (14) , Richard Snyder (34) , Afshin Soltani (2) , Donatella Spano (34) , Amit Srivastava (29) , Aimee Thomson (31) , Dennis Timlin (2) , Antonio Trabucco (43) , Heidi Webber (20) , Magali Willaume (25) , Karina Williams (44) , Michael van der Laan (31) , Domenico Ventrella (3) , Michelle Viswanathan (45) , Xu Xu (37) , Wang Zhou (32)
1 McGill University = Université McGill [Montréal, Canada]
2 USDA-ARS : Agricultural Research Service
3 ISU - Iowa State University
4 AAFC - Agriculture and Agri-Food
5 Agriculture and Agri-Food Canada
6 Universität Hohenheim = University of Hohenheim
7 Agriculture and Agri-Food Canada, Saskatoon Research Centre
8 Zhejiang Sci-Tech University
9 CST - Department of Computer Science and Technology
10 University of Manitoba [Winnipeg]
11 Yangzhou University
12 Center for Agricultural Resources Research
13 USDA - USDA Agricultural Research Service [Maricopa, AZ]
14 UF - University of Florida [Gainesville]
15 WSU - Washington State University
16 University of Nebraska [Omaha]
17 UNIMI - Università degli Studi di Milano = University of Milan
18 Gorgan University of Agricultural Sciences and Natural Resources
19 USSEIN - Université du Sine Saloum El-Hadj Ibrahima NIASS [Dakar, Sénégal]
20 ZALF - Leibniz-Zentrum für Agrarlandschaftsforschung = Leibniz Centre for Agricultural Landscape Research
21 ELTE - Eötvös Loránd Tudományegyetem = Eötvös Loránd University [Budapest]
22 CZU - Czech University of Life Sciences Prague
23 Michigan State University [East Lansing]
24 AGROCLIM - Agroclim
25 AGIR - AGroécologie, Innovations, teRritoires
26 DES - Department of Environment and Science [Queensland]
27 ULiège - Université de Liège = University of Liège = Universiteit van Luik = Universität Lüttich
28 ATK MGI - Agricultural Institute [Budapest]
29 INRES - Institute of Crop Science and Resource Conservation [Bonn]
30 CREA-AA - Centro di Ricerca Agricoltura e Ambiente [CREA]
31 University of Alberta
32 UIUC - University of Illinois at Urbana-Champaign [Urbana]
33 University of Washington [Seattle]
34 UC Davis - University of California [Davis]
35 DIA - Departamento de Inteligencia Artificial [UPM, Spain]
36 IHE Delft - Institute for Water Education
37 CAU - China Agricultural University
38 CMCC - Fondazione Centro Euro-Mediterraneo sui Cambiamenti Climatici [Caserta]
39 AAUR - Pir Mehr Ali Shah Arid Agriculture University = PMAS-Arid Agriculture University Rawalpindi
40 SLU - Swedish University of Agricultural Sciences = Sveriges lantbruksuniversitet
41 ACES - College of Agricultural, Consumer and Environmental Sciences [Illinois]
42 Helmholtz Diabetes Center [Munich]
43 CMCC - Euro-Mediterranean Center on Climate Change
44 MOHC - Met Office Hadley Centre
45 UP - University of Pretoria [South Africa]
Liwang Ma
  • Fonction : Auteur
  • PersonId : 1066358
Matthew J Helmers
  • Fonction : Auteur
  • PersonId : 1550494
Ward N Smith
  • Fonction : Auteur
  • PersonId : 1550496
Tiequan Zhang
Virginia L Jin
  • Fonction : Auteur
  • PersonId : 1550499
Mario Tenuta
  • Fonction : Auteur
  • PersonId : 1550500
Kenneth J Boote
  • Fonction : Auteur
  • PersonId : 1550502
Claudio Stockle
  • Fonction : Auteur
  • PersonId : 1550503
Andrew E Suyker
  • Fonction : Auteur
  • PersonId : 1550504
David K Brauer
  • Fonction : Auteur
  • PersonId : 1550505
Gwen G Coyle
  • Fonction : Auteur
  • PersonId : 1550506
Karen S Copeland
  • Fonction : Auteur
  • PersonId : 1550507
Gary W Marek
Paul D Colaizzi
  • Fonction : Auteur
  • PersonId : 1550509
Bruno Basso
  • Fonction : Auteur
  • PersonId : 1550512
Patrick Bertuzzi
  • Fonction : Auteur
  • PersonId : 1550513
Robert Grant
  • Fonction : Auteur
  • PersonId : 1550517
Gerrit Hoogenboom
  • Fonction : Auteur
  • PersonId : 1099440
Sara Masia
  • Fonction : Auteur
  • PersonId : 1550518
Karina Williams
Domenico Ventrella
  • Fonction : Auteur
  • PersonId : 1550523
Xu Xu

Résumé

Combining multi-model simulations can reduce the uncertainty in model structure and increase the accuracy of agricultural systems modeling results. This improvement is essential for supporting better decision making in irrigation planning and climate change adaptation strategies. Besides the commonly used arithmetic mean and median, many multi-model averaging approaches (MAA), widely examined in groundwater and hydrological modeling, but these additional MAA have not been examined in agricultural system modeling to improve the simulation accuracy. Therefore, the objective of this study is to evaluate the performance of seven MAA: two equal weighted approaches (Simple Model Averaging (SMA) and Median) and five weighted approaches (Inverse Ranking (IR), Bates and Granger Averaging (BGA), and Granger Ramanathan A, B, and C (GRA, GRB, and GRC)) in combining results of multiple agricultural system models. The Granger Ramanathan methods differ in their constraints: GRA employs conventional least squares, GRB requires non-negative weights that total to one, and GRC reduces absolute errors for robustness against outliers. The evaluation was conducted using maize yield and daily ETa simulations for both blind (uncalibrated) and calibrated phases of data from two groups of maize sites (Group A and Group B) across North America. The modeling results from the blind and calibrated phases were combined for all maize models and group maize models. Overall, all MAA performed better than individual crop models for blind and calibration phases. Specifically, the GRB model averaging method provided the closest match to measured values for daily ETa, while GRA was the most accurate for maize yield in most cases across all sites and phases. GRB improved daily ETa estimation over the median by an average of 4 % and 8.5 % in terms of RRMSE, while GRA enhanced maize yield estimation over the median by 7.5 % and 10.9 % for Group A and Group B sites, respectively. Notably, the improvement was greater in the blind phase for both groups of maize sites. An ensemble of group maize models with varied structures performed nearly as well as an ensemble of all maize models in simulating daily ETa and yield for Group A and Group B sites. Based on the results, we recommend GRA for crop yield and GRB for ETa simulations for maize, but both methods require observed yield and ETa data for their application; however, in the absence of observed data, we recommend the SMA method as it performs better than the median. However, the performance of these MAA methods may differ for other crops (e.g., soybean, wheat, canola, potato, alfalfa) or regions, and it should be evaluated in future studies.

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hal-05107278 , version 1 (11-06-2025)

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Viveka Nand, Zhiming Qi, Liwang Ma, Matthew J Helmers, Chandra A Madramootoo, et al.. Evaluation of multimodel averaging approaches for ensembling evapotranspiration and yield simulations from maize models. Journal of Hydrology, 2025, 661 (Part B), pp.133631. ⟨10.1016/j.jhydrol.2025.133631⟩. ⟨hal-05107278⟩
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