Partitioning of splash and storage during raindrop impacts on banana leaves

Bassette, Céline; Bussière, François

doi:10.1016/j.agrformet.2008.01.016

Cited by 52 publications

(43 citation statements)

References 47 publications

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“…Andre et al [13] reported that larger canopy storage capacity is also related to larger leaf area index (LAI), which was higher for birch than for pine trees during the analysed events in our study (Table 1). Additionally, higher branch inclination increases throughfall, which is consistent with the results of Bassette and Bussiere [4], as birch tree branches are oriented towards the sky, while pine tree branches lean towards the ground (Table 1). Due to downwards branch inclination, intercepted rainfall may laterally translocate towards the canopy edge [51], which may lead to the occurrence of drip points where throughfall exceeds 100% [14,52,53].…”

Section: Discussionsupporting

confidence: 79%

“…Nanko et al [3] indicated that broad-leafed trees, such as sawtooth oak, have a larger water storage area per leaf than needle-leafed trees. Also, storage capacity of leaves was measured to be higher for larger drops than for smaller ones, as reported by other researchers [4,50]. Therefore, the birch tree (as a deciduous tree) retains larger drops on leaves, while pines react to drops with larger diameters with increased throughfall.…”

Section: Discussionsupporting

confidence: 57%

“…Throughfall itself consists of three components: free throughfall, drip, and splash [1][2][3][4]. Free throughfall falls directly through the gaps in the tree canopy, has no contact with leaves or branches, and maintains the drop size distribution of an open rainfall [1].…”

Section: Introductionmentioning

confidence: 99%

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Influence of Raindrop Size Distribution on Throughfall Dynamics under Pine and Birch Trees at the Rainfall Event Level

Zabret¹,

Rakovec²,

Mikoš³

2017

Atmosphere

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Abstract:Part of precipitation is intercepted by forest canopies, while the rest reaches the ground as throughfall or stemflow. This process is influenced by various meteorological variables, of which we have mainly focused on drop diameter and velocity. Rainfall in the open and throughfall under birch and pine trees have both been measured since 2014 in Ljubljana, Slovenia. The results demonstrate that the total throughfall during 3.5 years was 73% and 53% of rainfall under birch and pine trees, respectively. During the 236 analysed events, the median volume diameter was 1.8 mm (±1.7 mm), and kinetic energy between 0.01 mJ/cm 2 and 23.3 mJ/cm 2 was recorded. We closely analysed the effect of rainfall microstructure on throughfall under pine and birch trees during three specific rainfall events. The increase in drop diameter and fall velocity during a rainfall event instantaneously increased throughfall under pine trees between 25% and 47%, whereas no such changes were observed under birch trees. This may be the consequence of different tree properties of the two species. Additionally, in the case of a saturated canopy, throughfall under pine trees exceeded rainfall in the open after an onset of larger and faster drops.

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Section: Discussionsupporting

confidence: 79%

Section: Discussionsupporting

confidence: 57%

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Influence of Raindrop Size Distribution on Throughfall Dynamics under Pine and Birch Trees at the Rainfall Event Level

Zabret¹,

Rakovec²,

Mikoš³

2017

Atmosphere

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“…This finding is consistent with those of both Brandt (1989) and Hall and Calder (1993) who also found that rain intensity did not exert any significant effect on throughfall drop sizes. On the other hand, drops with higher rainfall intensity or higher falling A c c e p t e d M a n u s c r i p t height generated more splash components in throughfall (Nanko et al 2006;Bassette and Bussière 2008). Higher rainfall intensities increase the likelihood of splash droplet generation for thinner canopies, whereas canopies with greater thickness and LAI have a higher probability of recapturing release throughfall (Nanko et al 2008).…”

Section: Concluding Discussionmentioning

confidence: 90%

Differences in throughfall drop size distributions in the presence and absence of foliage

Nanko

Hudson

Levia

2016

Hydrological Sciences Journal

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Throughfall drop size distributions (DSDs) are important for plant-soil interactions. This is the first known study to quantify differences in throughfall DSDs with the presence and absence of foliage. Employing a disdrometer, three parameters solely representing throughfall drip were measured and calculated: maximum drop diameter (D MAX ), median volume diameter of drops (D 50 D R ), and relative volume percentage of drops (pD R ). Beneath Liriodendron tulipifera L. in Maryland (USA), D MAX , D 50 D R , and pD R were substantially larger when the canopy was unfoliated. In fact, the presence or absence of foliage was one of the primary factors affecting all three throughfall DSDs along with air temperature, according to the boosted regression tree analysis. Experimental results were attributed to differing physical properties of intercepted water between foliated and unfoliated periods and differential water behavior on leaves and bark. Future work should examine the effects of concentrated drip points on the development of throughfall-induced hot spots.

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“…So far the drop size distribution has been only indirectly analyzed in connection with rainfall interception. The focus was mainly set on the investigation of drop size distribution of the throughfall under the tree and its influence on the soil erosion [9][10][11][12]. Properties of the rainfall in the open were often overlooked.…”

Section: Figure 1 Hydrological Cycle Of Rainfall Interceptionmentioning

confidence: 99%

Evaluation of Drop Size Distribution Impact on Rainfall Interception by Trees

Zabret

Rakovec

Šraj

2017

Proceedings of the 2nd International Electronic Conference on Atmospheric Sciences

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Not all precipitation, falling above the trees, reach the ground. Part of it is retained in the canopy and eventually evaporates back into the atmosphere. This is known as intercepted rainfall. The process is influenced by various meteorological parameters of which we have mainly focused on drop diameter and velocity. Rainfall in the open and throughfall under birch and pine trees have been measured since 2014 in Ljubljana, Slovenia. The results demonstrate that birch has intercepted 41% (± 32%) and pine 70% (± 24%) of rainfall on average per event. During the 146 individual events between 297 and 724,905 rain drops were recorded with the average drop diameter 0.73 mm (± 0.23 mm) and average drop velocity 3.71 m/s (± 0.49 m/s). We have closely analyzed the effect of drop size and velocity on interception by pine during two rainfall events in June and July 2014. In June event drops with larger drop diameter (6.5 -8.5 mm) were observed in the open causing an instant reduction of rainfall interception by pine for 30%. Furthermore, twice during the both events the groups of drops with higher velocity (7.6 -10.4 m/s) were observed, causing the reduction in rainfall interception.

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Partitioning of splash and storage during raindrop impacts on banana leaves

Cited by 52 publications

References 47 publications

Influence of Raindrop Size Distribution on Throughfall Dynamics under Pine and Birch Trees at the Rainfall Event Level

Influence of Raindrop Size Distribution on Throughfall Dynamics under Pine and Birch Trees at the Rainfall Event Level

Differences in throughfall drop size distributions in the presence and absence of foliage

Evaluation of Drop Size Distribution Impact on Rainfall Interception by Trees

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