Tests on a Small Rainfall Simulator for Evaluating Soil Erodibility

A selected number of upland soils were subjected, in situ, to simulated rain of short duration in order to establish a methodology for evaluating erodibility of Malaysian soils. The rainfall simulator produces an 18mm shower in three minutes from an average height of OAm, falling onto a 0.0625m2 t...

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Main Authors: Wan Harun, Wan Sulaiman, Marsom, Isnan, A. Manan, Mohd. Mokhtaruddin
Format: Article
Language:English
English
Published: 1990
Online Access:http://psasir.upm.edu.my/id/eprint/2893/1/Tests_on_a_Small_Rainfall_Simulator_for_Evaluating_Soil_Erodibilityl.pdf
http://psasir.upm.edu.my/id/eprint/2893/
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spelling my.upm.eprints.28932013-05-27T07:04:13Z http://psasir.upm.edu.my/id/eprint/2893/ Tests on a Small Rainfall Simulator for Evaluating Soil Erodibility Wan Harun, Wan Sulaiman Marsom, Isnan A. Manan, Mohd. Mokhtaruddin A selected number of upland soils were subjected, in situ, to simulated rain of short duration in order to establish a methodology for evaluating erodibility of Malaysian soils. The rainfall simulator produces an 18mm shower in three minutes from an average height of OAm, falling onto a 0.0625m2 test plot area at 20% slope. Results from both the surface and sub-surface horizons show less variability in the soil loss between plots than between successive runs on the same plot. Mean soil loss ranged between 5A2g and 12. 66g per plot. Soil loss was found to be not very sensitive to small variations in antecedent soil moisture around the field capacity value. The method appears capable of discriminating responses between soils and is thus, suited to the study of erodibility of upland soils in Malaysia. 1990 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/2893/1/Tests_on_a_Small_Rainfall_Simulator_for_Evaluating_Soil_Erodibilityl.pdf Wan Harun, Wan Sulaiman and Marsom, Isnan and A. Manan, Mohd. Mokhtaruddin (1990) Tests on a Small Rainfall Simulator for Evaluating Soil Erodibility. Pertanika, 13 (2). pp. 239-246. English
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
English
description A selected number of upland soils were subjected, in situ, to simulated rain of short duration in order to establish a methodology for evaluating erodibility of Malaysian soils. The rainfall simulator produces an 18mm shower in three minutes from an average height of OAm, falling onto a 0.0625m2 test plot area at 20% slope. Results from both the surface and sub-surface horizons show less variability in the soil loss between plots than between successive runs on the same plot. Mean soil loss ranged between 5A2g and 12. 66g per plot. Soil loss was found to be not very sensitive to small variations in antecedent soil moisture around the field capacity value. The method appears capable of discriminating responses between soils and is thus, suited to the study of erodibility of upland soils in Malaysia.
format Article
author Wan Harun, Wan Sulaiman
Marsom, Isnan
A. Manan, Mohd. Mokhtaruddin
spellingShingle Wan Harun, Wan Sulaiman
Marsom, Isnan
A. Manan, Mohd. Mokhtaruddin
Tests on a Small Rainfall Simulator for Evaluating Soil Erodibility
author_facet Wan Harun, Wan Sulaiman
Marsom, Isnan
A. Manan, Mohd. Mokhtaruddin
author_sort Wan Harun, Wan Sulaiman
title Tests on a Small Rainfall Simulator for Evaluating Soil Erodibility
title_short Tests on a Small Rainfall Simulator for Evaluating Soil Erodibility
title_full Tests on a Small Rainfall Simulator for Evaluating Soil Erodibility
title_fullStr Tests on a Small Rainfall Simulator for Evaluating Soil Erodibility
title_full_unstemmed Tests on a Small Rainfall Simulator for Evaluating Soil Erodibility
title_sort tests on a small rainfall simulator for evaluating soil erodibility
publishDate 1990
url http://psasir.upm.edu.my/id/eprint/2893/1/Tests_on_a_Small_Rainfall_Simulator_for_Evaluating_Soil_Erodibilityl.pdf
http://psasir.upm.edu.my/id/eprint/2893/
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score 13.211869