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Characteristics of throughfall kinetic energy under the banana (Musa nana Lour.) canopy_The role of leaf shapes
Zhang, Wanjun1,2; Liu, Wenjie1; Li, Weixia1,2; Zhu, Xiai1,2; Chen, Chunfeng1,2; Zeng, Huanhuan1,2; Jiang, Xiaojin1; Singh, Ashutosh Kumar1; Yang, Bin1
2021
Source PublicationCATENA
ISSN0341-8162
Volume197Issue:xPages:-
Abstract

Banana (Musa nana Lour.) plants have a distinctive canopy pattern with their extremely long and wide leaves. However, the effects of such distinct leaf shapes on rainfall redistribution and splash erosion are still poorly understood. Here, we investigated the basic characteristics of throughfall (TF) distribution and throughfall kinetic energy (TKE) and clarified the effect of specific leaf shapes on TKE under the individual banana plant (IBP) and the whole banana plantation (WBP) canopies. We found that the TF under the IBP and WBP canopies was 80.2% and 84.7% of the incident rainfall, respectively. The spatial variability of TF was high, which was attributed to the prominent funnelling and shading effects of the banana canopy. The KE at canopy drip points was significantly higher than that at canopy non-drip points and in open fields under both the IBP and the WBP canopies, implying that the negative effect of banana canopy drip points was far greater than the protective effect of non-drip points on splash erosion. In addition, the leaves at canopy drip points were classified as valley (Va), overlap (Ov), leaf tip (Ti), breakage (Br) and complex shapes (Cs). Significant differences in TKE among these leaf shapes were found, and the significantly lower TKE in Ti and the greater TKE in Cs than those in Va, Ov and Br were observed. As a result, these leaf shapes potentially affected TF splash erosion under the banana canopy. Further ecohydrological studies are required to improve heavy TF splash erosion in banana plantation and to create environmental-friendly plantation.

KeywordSOIL SPLASH DETACHMENT SPATIAL VARIABILITY RAINFALL INTERCEPTION FOREST CANOPY STEMFLOW PLANTATION RUNOFF PATTERNS REDISTRIBUTION DEPOSITION
Subject AreaGeosciences, Multidisciplinary ; Soil Science ; Water Resources
DOI10.1016/j.catena.2020.104985
Indexed BySCI
Language英语
WOS IDWOS:000597208600029
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/11925
Collection2012年后新成立研究组
Affiliation1.Chinese Acad Sci, CAS Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Menglun 666303, Yunnan, Peoples R China
2.Chinese Acad Sci, Ctr Plant Ecol, Core Bot Gardens, Menglun 666303, Yunnan, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Wanjun,Liu, Wenjie,Li, Weixia,et al. Characteristics of throughfall kinetic energy under the banana (Musa nana Lour.) canopy_The role of leaf shapes[J]. CATENA,2021,197(x):-.
APA Zhang, Wanjun.,Liu, Wenjie.,Li, Weixia.,Zhu, Xiai.,Chen, Chunfeng.,...&Yang, Bin.(2021).Characteristics of throughfall kinetic energy under the banana (Musa nana Lour.) canopy_The role of leaf shapes.CATENA,197(x),-.
MLA Zhang, Wanjun,et al."Characteristics of throughfall kinetic energy under the banana (Musa nana Lour.) canopy_The role of leaf shapes".CATENA 197.x(2021):-.
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