Effects of rainfall on the spatial distribution of the throughfall kinetic energy on a small scale in a rubber plantation. Issue 7 (19th May 2018)

• Record Type: Journal Article
• Authors: Liu, Jiaqing; Liu, Wenjie; Li, Weixia; Jiang, Xiaojin; Wu, Junen
• Is Part Of: Hydrological sciences journal. Volume 63:Issue 7(2018)
• Page Start: 1078
• Page End: 1090
• Publication Date: 2018-05-19
• Subjects: splash erosion -- throughfall kinetic energy -- spatial distribution -- canopy structure -- rubber tree; Hydrology -- Periodicals; 551.4805
• DOI: 10.1080/02626667.2018.1473580
• Languages: English
• ISSNs: 0262-6667

Abstract

ABSTRACT: This study evaluated the spatial distribution of the throughfall kinetic energy (TKE) on a small scale in a rubber plantation. The experiments used Tübingen splash cups with natural rainfall. The results indicate that the leaf area index did not significantly affect the TKE during the foliated season. There was no significant correlation between the TKE and the distance from the trunk. However, the lateral translocation of the throughfall in the canopy significantly affected the spatial distribution of the TKE, and high TKE points appeared in the middle and at the edge of the canopy. The results also show that the spatial distribution of the volume-specific TKE values was similar in different rainfall and rainfall intensity groups. The variogram of the spatial variability demonstrates that the TKE exhibited a strong spatial autocorrelation. We confirm that the rainfall redistribution is important for the spatial distribution of the TKE in a rubber plantation.