Articles | Volume 25, issue 11
Research article
08 Nov 2021
Research article |  | 08 Nov 2021

Characterization of soil moisture response patterns and hillslope hydrological processes through a self-organizing map

Eunhyung Lee and Sanghyun Kim

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Characterization of Hillslope Hydrologic Events Using Machine Learning Algorithms
Eunhyung Lee and Sanghyun Kim
Hydrol. Earth Syst. Sci. Discuss.,,, 2019
Manuscript not accepted for further review
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Related subject area

Subject: Hillslope hydrology | Techniques and Approaches: Mathematical applications
Technical Note: A simple generalization of the Brutsaert and Nieber analysis
T. L. Chor and N. L. Dias
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Integrating coarse-scale uncertain soil moisture data into a fine-scale hydrological modelling scenario
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Cited articles

Adeloye, A. J., Rustum, R., and Kariyama, I. D.: Kohonen self-organizing map estimator for the reference crop evapotranspiration, Water Resour. Res., 47, W08523,, 2011. 
Ahmad, S., Kalra, A., and Stephen, H.: Estimation soil moisture using remote sensing data: A machine learning approach, Adv. Water Resour., 33, 69–80,, 2010. 
Albertson, J. D. and Kiely, G.: On the structure of soil moisture time series in the context of land surface models, J. Hydrol, 243, 101–119,, 2001. 
Ali, M., Fiori, A., and Bellotti, G.: Analysis of the nonlinear storage-discharge relation for hillslopes through 2D numerical modelling, Hydrol. Process., 27, 2683–2690,, 2013. 
Angermann, L., Jackisch, C., Allroggen, N., Sprenger, M., Zehe, E., Tronicke, J., Weiler, M., and Blume, T.: Form and function in hillslope hydrology: characterization of subsurface flow based on response observations, Hydrol. Earth Syst. Sci., 21, 3727–3748,, 2017. 
Short summary
In order to understand hillslope hydrological processes during rainfall runoff events, rainfall characteristics and responses of soil moisture at the hillslope scale were explored by applying self-organizing map (SOMs) to a dataset. Combinations of upslope and downslope spatial patterns of hillslope hydrological processes, vertical flow, and lateral flow along surface or subsurface boundaries were responsible for the distinctions between the event clusters.