Three-year-old logging road networks as a significant source of sediment in a small headwater catchment in Bukit Tarek Experimental Watershed, Peninsular Malaysia
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Accession number;04A0714054
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| Title;Three-year-old logging road networks as a significant source of sediment in a small headwater catchment in Bukit Tarek Experimental Watershed, Peninsular Malaysia |
| Author;
NEGISHI J N
(National Univ. Singapore, Sgp)
SIDLE R C
(Kyoto Univ., Jpn)
NOGUCHI S
(Japan International Res. Inst. Agricultural Sci., Jpn)
NIK A R
(Forest Res. Inst. Malaysia, Mys)
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Journal Title;Suikei Kozo to Ryuiki Dotai ni Motozuku Mizu, Dosha Ryushutsu Kiko to Saigai Kankyo ni kansuru Kenkyu Heisei 12-15 Nendo No.12306008
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Journal Code:N20041657
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ISSN:
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VOL.;NO.;PAGE.172-174(2004)
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| Figure&Table&Reference;FIG.4, TBL.2, REF.6 |
| Pub. Country;Japan |
| Language;English |
| Abstract;There were 4 consecutive heavy rains in the winter season between 1999 and 2000.In the above-mentioned road network in the watershed with an area of 13 hectares, the output of the sedimented deposits was measured in each subdivision of 30 m.As a result, the largest content of the sedimented deposits reached about 11.6 grams per liter of the rainfall.Regarding the runoff, the surface runoff by the rainfall intensity was comparatively well predicted, and the quick drainage of the deposited sediments was done by the logging road.The response of the deposited sediments with the rainfall greatly differed between to the coarse particles larger than 250 .MU.m in diameter and to the fine particles smaller than 250 .MU.m.A total amount per subdivision of the deposited sediments which had been run off downstream by the four heavy rains was 28.7 kg. |
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