Measurements of rain splash on bench terraces in a humid tropical steepland environment.

A.I.J.M. van Dijk; L.A. Bruijnzeel; S.E. Wiegman

doi:10.1002/hyp.1155

Measurements of rain splash on bench terraces in a humid tropical steepland environment.

A.I.J.M. van Dijk, L.A. Bruijnzeel, S.E. Wiegman

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

Soil loss continues to threaten Java's predominantly bench-terraced volcanic uplands. Sediment transport processes on back-sloping terraces with well-aggregated clay-rich oxisols in West Java were studied using two different techniques. Splash on bare, cropped, or mulched sub-horizontal (2-3°) terrace beds was studied using splash cups of different sizes, whereas transport of sediment on the predominantly bare and steep (30-40°) terrace risers was measured using a novel device combining a Gerlach-type trough with a splash box to enable the separate measurement of transport by wash and splash processes. Measurements were made during two consecutive rainy seasons. The results were interpreted using a recently developed splash distribution theory and related to effective rainfall erosive energy. Splash transportability (i.e. transport per unit contour length and unit erosive energy) on the terrace risers was more than an order of magnitude greater than on bare terrace beds (0.39-0.57 versus 0.013-0.016 g m J

Original language	English
Pages (from-to)	513-525
Number of pages	12
Journal	Hydrological Processes
Volume	17
DOIs	https://doi.org/10.1002/hyp.1155
Publication status	Published - 2003

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title = "Measurements of rain splash on bench terraces in a humid tropical steepland environment.",

abstract = "Soil loss continues to threaten Java's predominantly bench-terraced volcanic uplands. Sediment transport processes on back-sloping terraces with well-aggregated clay-rich oxisols in West Java were studied using two different techniques. Splash on bare, cropped, or mulched sub-horizontal (2-3°) terrace beds was studied using splash cups of different sizes, whereas transport of sediment on the predominantly bare and steep (30-40°) terrace risers was measured using a novel device combining a Gerlach-type trough with a splash box to enable the separate measurement of transport by wash and splash processes. Measurements were made during two consecutive rainy seasons. The results were interpreted using a recently developed splash distribution theory and related to effective rainfall erosive energy. Splash transportability (i.e. transport per unit contour length and unit erosive energy) on the terrace risers was more than an order of magnitude greater than on bare terrace beds (0.39-0.57 versus 0.013-0.016 g m J",

author = "{van Dijk}, A.I.J.M. and L.A. Bruijnzeel and S.E. Wiegman",

year = "2003",

doi = "10.1002/hyp.1155",

language = "English",

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journal = "Hydrological Processes",

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TY - JOUR

T1 - Measurements of rain splash on bench terraces in a humid tropical steepland environment.

AU - van Dijk, A.I.J.M.

AU - Bruijnzeel, L.A.

AU - Wiegman, S.E.

PY - 2003

Y1 - 2003

N2 - Soil loss continues to threaten Java's predominantly bench-terraced volcanic uplands. Sediment transport processes on back-sloping terraces with well-aggregated clay-rich oxisols in West Java were studied using two different techniques. Splash on bare, cropped, or mulched sub-horizontal (2-3°) terrace beds was studied using splash cups of different sizes, whereas transport of sediment on the predominantly bare and steep (30-40°) terrace risers was measured using a novel device combining a Gerlach-type trough with a splash box to enable the separate measurement of transport by wash and splash processes. Measurements were made during two consecutive rainy seasons. The results were interpreted using a recently developed splash distribution theory and related to effective rainfall erosive energy. Splash transportability (i.e. transport per unit contour length and unit erosive energy) on the terrace risers was more than an order of magnitude greater than on bare terrace beds (0.39-0.57 versus 0.013-0.016 g m J

AB - Soil loss continues to threaten Java's predominantly bench-terraced volcanic uplands. Sediment transport processes on back-sloping terraces with well-aggregated clay-rich oxisols in West Java were studied using two different techniques. Splash on bare, cropped, or mulched sub-horizontal (2-3°) terrace beds was studied using splash cups of different sizes, whereas transport of sediment on the predominantly bare and steep (30-40°) terrace risers was measured using a novel device combining a Gerlach-type trough with a splash box to enable the separate measurement of transport by wash and splash processes. Measurements were made during two consecutive rainy seasons. The results were interpreted using a recently developed splash distribution theory and related to effective rainfall erosive energy. Splash transportability (i.e. transport per unit contour length and unit erosive energy) on the terrace risers was more than an order of magnitude greater than on bare terrace beds (0.39-0.57 versus 0.013-0.016 g m J

U2 - 10.1002/hyp.1155

DO - 10.1002/hyp.1155

M3 - Article

SN - 0885-6087

VL - 17

SP - 513

EP - 525

JO - Hydrological Processes

JF - Hydrological Processes

ER -

Measurements of rain splash on bench terraces in a humid tropical steepland environment.

Abstract

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