Articles | Volume 15, issue 22
Geosci. Model Dev., 15, 8453–8471, 2022
https://doi.org/10.5194/gmd-15-8453-2022

Special issue: The externalised surface model SURFEX

Geosci. Model Dev., 15, 8453–8471, 2022
https://doi.org/10.5194/gmd-15-8453-2022
Model description paper
21 Nov 2022
Model description paper | 21 Nov 2022

Implementation of a new crop phenology and irrigation scheme in the ISBA land surface model using SURFEX_v8.1

Arsène Druel et al.

Data sets

Global irrigation map J. Meier, F. Zabel, and W. Mauser https://doi.org/10.1594/PANGAEA.884744

ERA5 atmospheric forcing H. Hersbach, B. Bell, P. Berrisford, S. Hirahara, A. Horányi, J. Muñoz-Sabater, J. Nicolas, C. Peubey, R. Radu, D. Schepers, A. Simmons, C. Soci, S. Abdalla, X. Abellan, G. Balsamo, P. Bechtold, G. Biavati, J. Bidlot, M. Bonavita, G. Chiara, P. Dahlgren, D. Dee, M. Diamantakis, R. Dragani, J. Flemming, R. Forbes, M. Fuentes, A. Geer, L. Haimberger, S. Healy, R. J. E. Hogan, M. Hólm, S. Janisková, Keeley, P. Laloyaux, P. Lopez, C. Lupu, G. Radnoti, P. Rosnay, I. Rozum, F. Vamborg, S. Villaume, and J. Thépaut https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-single-levels?tab=overview

Water used for irrigation USGS https://waterdata.usgs.gov/ne/nwis/wu

LAI F. Baret, M. Weiss, R. Lacaze, F. Camacho, H. Makhmara, P. Pacholcyzk, and B. Smets https://land.copernicus.eu/global/products/lai

FLUXCOM GPP M. Jung, S. Koirala, U. Weber, K. Ichii, F. Gans, G. Camps-Valls, D. Papale, C. Schwalm, G. Tramontana, and M. Reichstein https://git.bgc-jena.mpg.de/skoirala/fluxcom_ef_figures

Land surface temperature S. C. Freitas, I. F. Trigo, J. Macedo, C. Barroso, R. Silva, and R. Perdigão https://land.copernicus.eu/global/products/lst

In situ precipitation University of Nebraska-Lincoln http://climod.unl.edu/

Model code and software

SURFEX modelling platform V. Masson, P. Le Moigne, E. Martin, S. Faroux, A. Alias, R. Alkama, S. Belamari, A. Barbu, A. Boone, F. Bouyssel, P. Brousseau, E. Brun, J.-C. Calvet, D. Carrer, B. Decharme, C. Delire, S. Donier, K. Essaouini, A.-L. Gibelin, H. Giordani, F. Habets, M. Jidane, G. Kerdraon, E. Kourzeneva, M. Lafaysse, S. Lafont, C. Lebeaupin Brossier, A. Lemonsu, J.-F. Mahfouf, P. Marguinaud, M. Mokhtari, S. Morin, G. Pigeon, R. Salgado, Y. Seity, F. Taillefer, G. Tanguy, P. Tulet, B. Vincendon, V. Vionnet, and A. Voldoire https://www.umr-cnrm.fr/surfex/

New irrigation scheme in the ISBA land surface model A. Druel, S. Munier, A. Mucia, C. Albergel, and J.-C. Calvet https://github.com/ArseneD/OPEN_SURFEX_V81_IRR

ArseneD/OPEN_SURFEX_V81_IRR: SURFEX_v8.1_IRR_v1.0 (SURFEX_v8.1_IRR_v1.0) Arsène Druel https://doi.org/10.5281/zenodo.5718063

IrrigationMapV0, initial files and scripts to reproduce the simulation of Druel et al, 2022 Arsène Druel https://doi.org/10.5281/zenodo.7221291

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Short summary
Crop phenology and irrigation is implemented into a land surface model able to work at a global scale. A case study is presented over Nebraska (USA). Simulations with and without the new scheme are compared to different satellite-based observations. The model is able to produce a realistic yearly irrigation water amount. The irrigation scheme improves the simulated leaf area index, gross primary productivity, evapotransipiration, and land surface temperature.