Abstract
Previously the stronger coupling between soil moisture and precipitation in the land-atmosphere interaction have widely been studied. However, few work discusses the causality between them. In this paper, we use Granger causality (GC) and New causality (NC) to detect the causality between soil of different depth moisture and precipitation. Our results demonstrate that the causality between shallow soil moisture and precipitation is greater than that between deep soil moisture and precipitation. And the results also demonstrate that the NC method is much clearer to reveal the causal influence between soil moisture and precipitation than GC method in the time domain.
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Acknowledgments
This work was funded by National Natural Science Foundation of China under Grants (Nos. 61473110, 61633010), International Science and Technology Cooperation Program of China, Grant No. 2014DFG12570, Key Lab of Complex Systems Modeling and Simulation, Ministry of Education, China.
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Su, H. et al. (2017). Causality Analysis Between Soil of Different Depth Moisture and Precipitation in the United States. In: Liu, D., Xie, S., Li, Y., Zhao, D., El-Alfy, ES. (eds) Neural Information Processing. ICONIP 2017. Lecture Notes in Computer Science(), vol 10638. Springer, Cham. https://doi.org/10.1007/978-3-319-70139-4_58
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DOI: https://doi.org/10.1007/978-3-319-70139-4_58
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