Articles | Volume 27, issue 14
https://doi.org/10.5194/hess-27-2787-2023
https://doi.org/10.5194/hess-27-2787-2023
Research article
 | 
26 Jul 2023
Research article |  | 26 Jul 2023

Investigating the response of land–atmosphere interactions and feedbacks to spatial representation of irrigation in a coupled modeling framework

Patricia Lawston-Parker, Joseph A. Santanello Jr., and Nathaniel W. Chaney

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Cited articles

Aegerter, C., Wang, J., Ge, C., Irmak, S., Oglesby, R., Wardlow, B., Yang, H., You, J., and Shulski, M.: Mesoscale Modeling of the Meteorological Impacts of Irrigation during the 2012 Central Plains Drought, J. Appl. Meteorol. Clim., 56, 1259–1283, https://journals.ametsoc.org/view/journals/apme/56/5/jamc-d-16-0292.1.xml, 2017. 
Brown, J. F. and Pervez, M. S.: Merging remote sensing data and national agricultural statistics to model change in irrigated agriculture, Agr. Syst., 127, 28–40, 2014.  
Biggs, T. W., Thenkabail, P. S., Gumma, M. K., Scott, C. A., Parthasaradhi, G. R., and Turral, H. N.: Irrigated area mapping in heterogeneous landscapes with MODIS time series, ground truth and census data, Krishna Basin, India, Int. J. Remote Sens., 27, 4245–4266, 2006. 
Bonfils, C. and Lobell D.: Empirical evidence for a recent slowdown in irrigation-induced cooling, P. Natl. Acad. Sci. USA, 104, 13582–13587, https://doi.org/10.1073/pnas.0700144104, 2007. 
Chaney, N. W., Van Huijgevoort, M. H. J., Shevliakova, E., Malyshev, S., Milly, P. C. D., Gauthier, P. P. G., and Sulman, B. N.: Harnessing big data to rethink land heterogeneity in Earth system models, Hydrol. Earth Syst. Sci., 22, 3311–3330, https://doi.org/10.5194/hess-22-3311-2018, 2018. 
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Short summary
Irrigation has been shown to impact weather and climate, but it has only recently been considered in prediction models. Prescribing where (globally) irrigation takes place is important to accurately simulate its impacts on temperature, humidity, and precipitation. Here, we evaluated three different irrigation maps in a weather model and found that the extent and intensity of irrigated areas and their boundaries are important drivers of weather impacts resulting from human practices.