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Understanding each other's models: an introduction and a standard representation of 16 global water models to support intercomparison, improvement, and communication

Telteu Camelia-Eliza, Müller Schmied Hannes, Thiery Wim, Leng Guoyong, Burek Peter, Liu Xingcai, Boulange Julien, Andersen Lauren Seaby, Gryllakis Emmanouil, Gosling Simon N., Satoh Yusuke, Rakovec Oldrich, Stacke Tobias, Chang Jinfeng, Wanders Niko, Shah Harsh Lovekumar, Trautmann Tim, Mao Ganquan, Hanasaki Naota, Koutroulis Aristeidis, Pokhrel, Yadu, Samaniego Luis, Wada Yoshihide, Mishra Vimal, Liu Junguo, Döll Petra, Zhao Fang, Gädeke Anne, Rabin Sam, Herz Florian

Απλή Εγγραφή

URIhttp://purl.tuc.gr/dl/dias/40B4107A-E389-453D-8648-928B3B20A9B5-
Αναγνωριστικόhttps://doi.org/10.5194/gmd-14-3843-2021-
Αναγνωριστικόhttps://gmd.copernicus.org/articles/14/3843/2021/-
Γλώσσαen-
Μέγεθος36 pagesen
ΤίτλοςUnderstanding each other's models: an introduction and a standard representation of 16 global water models to support intercomparison, improvement, and communicationen
ΔημιουργόςTelteu Camelia-Elizaen
ΔημιουργόςMüller Schmied Hannesen
ΔημιουργόςThiery Wimen
ΔημιουργόςLeng Guoyongen
ΔημιουργόςBurek Peteren
ΔημιουργόςLiu Xingcaien
ΔημιουργόςBoulange Julienen
ΔημιουργόςAndersen Lauren Seabyen
ΔημιουργόςGryllakis Emmanouilen
ΔημιουργόςΓρυλλακης Εμμανουηλel
ΔημιουργόςGosling Simon N.en
ΔημιουργόςSatoh Yusukeen
ΔημιουργόςRakovec Oldrichen
ΔημιουργόςStacke Tobiasen
ΔημιουργόςChang Jinfengen
ΔημιουργόςWanders Nikoen
ΔημιουργόςShah Harsh Lovekumaren
ΔημιουργόςTrautmann Timen
ΔημιουργόςMao Ganquanen
ΔημιουργόςHanasaki Naotaen
ΔημιουργόςKoutroulis Aristeidisen
ΔημιουργόςΚουτρουλης Αριστειδηςel
ΔημιουργόςPokhrel, Yaduen
ΔημιουργόςSamaniego Luisen
ΔημιουργόςWada Yoshihideen
ΔημιουργόςMishra Vimalen
ΔημιουργόςLiu Junguoen
ΔημιουργόςDöll Petraen
ΔημιουργόςZhao Fangen
ΔημιουργόςGädeke Anneen
ΔημιουργόςRabin Samen
ΔημιουργόςHerz Florianen
ΕκδότηςCopernicus Publicationsen
ΠερίληψηGlobal water models (GWMs) simulate the terrestrial water cycle on the global scale and are used to assess the impacts of climate change on freshwater systems. GWMs are developed within different modelling frameworks and consider different underlying hydrological processes, leading to varied model structures. Furthermore, the equations used to describe various processes take different forms and are generally accessible only from within the individual model codes. These factors have hindered a holistic and detailed understanding of how different models operate, yet such an understanding is crucial for explaining the results of model evaluation studies, understanding inter-model differences in their simulations, and identifying areas for future model development. This study provides a comprehensive overview of how 16 state-of-the-art GWMs are designed. We analyse water storage compartments, water flows, and human water use sectors included in models that provide simulations for the Inter-Sectoral Impact Model Intercomparison Project phase 2b (ISIMIP2b). We develop a standard writing style for the model equations to enhance model intercomparison, improvement, and communication. In this study, WaterGAP2 used the highest number of water storage compartments, 11, and CWatM used 10 compartments. Six models used six compartments, while four models (DBH, JULES-W1, Mac-PDM.20, and VIC) used the lowest number, three compartments. WaterGAP2 simulates five human water use sectors, while four models (CLM4.5, CLM5.0, LPJmL, and MPI-HM) simulate only water for the irrigation sector. We conclude that, even though hydrological processes are often based on similar equations for various processes, in the end these equations have been adjusted or models have used different values for specific parameters or specific variables. The similarities and differences found among the models analysed in this study are expected to enable us to reduce the uncertainty in multi-model ensembles, improve existing hydrological processes, and integrate new processes.en
ΤύποςPeer-Reviewed Journal Publicationen
ΤύποςΔημοσίευση σε Περιοδικό με Κριτέςel
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2023-03-21-
Ημερομηνία Δημοσίευσης2021-
Θεματική ΚατηγορίαGlobal water models (GWMs)en
Θεματική ΚατηγορίαClimateen
Θεματική ΚατηγορίαUncertaintyen
Θεματική ΚατηγορίαImpacten
Βιβλιογραφική ΑναφοράC.-E. Telteu, H. Müller Schmied, W. Thiery, G. Leng, P. Burek, X. Liu, J. E. S. Boulange, L. S. Andersen, M. Grillakis, S. N. Gosling, Y. Satoh, O. Rakovec, T. Stacke, J. Chang, N. Wanders, H. L. Shah, T. Trautmann, G. Mao, N. Hanasaki, A. Koutroulis, Y. Pokhrel, L. Samaniego, Y. Wada, V. Mishra, J. Liu, P. Döll, F. Zhao, A. Gädeke, S. S. Rabin, and F. Herz, “Understanding each other's models: an introduction and a standard representation of 16 global water models to support intercomparison, improvement, and communication,” Geosci. Model Dev., vol. 14, no. 6, pp. 3843–3878, June 2021, doi: 10.5194/gmd-14-3843-2021.en

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