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| Research progresses and prospects of soil macropore flow |
| Received:March 10, 2025 |
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| KeyWord:soil moisture;soil macropore;macropore flow;artificial macropore experiment |
| Author Name | Affiliation | | CHEN Li | School of Hydrology and Water Resources, Nanjing University of Information Science & Technology, Nanjing 210044, China
Key Laboratory of Hydrometeorological Disaster Mechanism and Early Warning of Ministry of Water Resources, Nanjing 210044, China | | GU Yingchun | School of Hydrology and Water Resources, Nanjing University of Information Science & Technology, Nanjing 210044, China
Key Laboratory of Hydrometeorological Disaster Mechanism and Early Warning of Ministry of Water Resources, Nanjing 210044, China | | YANG Liu | School of Hydrology and Water Resources, Nanjing University of Information Science & Technology, Nanjing 210044, China
Key Laboratory of Hydrometeorological Disaster Mechanism and Early Warning of Ministry of Water Resources, Nanjing 210044, China | | LÜ Bo | School of Hydrology and Water Resources, Nanjing University of Information Science & Technology, Nanjing 210044, China
Key Laboratory of Hydrometeorological Disaster Mechanism and Early Warning of Ministry of Water Resources, Nanjing 210044, China | | CHEN Junqi | School of Hydrology and Water Resources, Nanjing University of Information Science & Technology, Nanjing 210044, China
Key Laboratory of Hydrometeorological Disaster Mechanism and Early Warning of Ministry of Water Resources, Nanjing 210044, China | | YU Zhiguo | School of Hydrology and Water Resources, Nanjing University of Information Science & Technology, Nanjing 210044, China
Key Laboratory of Hydrometeorological Disaster Mechanism and Early Warning of Ministry of Water Resources, Nanjing 210044, China |
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| Abstract: |
| Macropore flow can bypass soil matrix during water infiltration, moving rapidly to deeper soil layers or groundwater. Studying this widespread phenomenon and its mechanisms is crucial for understanding the patterns of soil water and solute transport, which will substantially benefit applications in water resources, soil environment, ecosystems, and related fields. Currently, progresses have been made in experimental studies, theoretical development, and modeling related to macropore flow, but the theoretical framework and experimental methods still require improvement. This paper comprehensively examines the causes, definitions, and characterization methods of macropore flow, along with its impact on soil water movement and solute transport. It reviews the historical and recent developments in related theories and simulation methods, summarizes laboratory and field experimental techniques, and discusses model simulations incorporating macropore effects, aiming to provide a reference for future research. |
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