An estimation of sediment yield using universal soil loss (USLE) and rating curve in Barat Daya District of Penang, Malaysia
Sediment yield estimation in rivers at the regional or local scale is very important especially in term of managing the water resources in the catchment area. The sediment yield usually calculated either from direct measurement of sediment concentration in rivers or from sediment transport equati...
| Main Authors: | , |
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| Format: | Conference or Workshop Item |
| Language: | English |
| Published: |
2015
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| Subjects: | |
| Online Access: | http://eprints.usm.my/35103/1/PPIK20.pdf |
| _version_ | 1797009353460416512 |
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| author | Mohd Najib, Sumayyah Aimi A. Rahaman, Zullyadini |
| author_facet | Mohd Najib, Sumayyah Aimi A. Rahaman, Zullyadini |
| author_sort | Mohd Najib, Sumayyah Aimi |
| collection | USM |
| description | Sediment yield estimation in rivers at the regional or local scale is very important
especially in term of managing the water resources in the catchment area. The sediment yield usually
calculated either from direct measurement of sediment concentration in rivers or from sediment
transport equation at a particular outlet point in the catchment. A total of 19 rivers were selected as
sampling sites located at the Barat Daya District of Penang. The Universal Soil Loss Equation
(USLE) was used to estimate the sediment yield in the study area by integrating with the Geographic
Information System (GIS) to generate maps of the USLE factors, which are rainfall erosivity (R), soil
erodibility (K), slope length and steepness (LS), crop management (C), and conservation practice (P)
factors. A sediment rating curves of the study area was developed to verify the accuracy as well as
comparison to the sediment yield estimated by USLE. The results show good correlation between the
sediment yield estimated by USLE and observed data (r2 is 0.62). The sediment yield estimated in the
year 1974 was 1300 ton/km2/year, 1984 was 1921 ton/km2/year, 2004 was 1919 ton/km2/year and
2012 was 2336 ton/km2/year. Based on the land use analysis, agricultural activity was dominant in the
Barat Daya area and contributes much of the sediment into the river system. |
| first_indexed | 2024-03-06T15:04:28Z |
| format | Conference or Workshop Item |
| id | usm.eprints-35103 |
| institution | Universiti Sains Malaysia |
| language | English |
| last_indexed | 2024-03-06T15:04:28Z |
| publishDate | 2015 |
| record_format | dspace |
| spelling | usm.eprints-351032017-06-13T08:30:21Z http://eprints.usm.my/35103/ An estimation of sediment yield using universal soil loss (USLE) and rating curve in Barat Daya District of Penang, Malaysia Mohd Najib, Sumayyah Aimi A. Rahaman, Zullyadini H Social Sciences (General) Sediment yield estimation in rivers at the regional or local scale is very important especially in term of managing the water resources in the catchment area. The sediment yield usually calculated either from direct measurement of sediment concentration in rivers or from sediment transport equation at a particular outlet point in the catchment. A total of 19 rivers were selected as sampling sites located at the Barat Daya District of Penang. The Universal Soil Loss Equation (USLE) was used to estimate the sediment yield in the study area by integrating with the Geographic Information System (GIS) to generate maps of the USLE factors, which are rainfall erosivity (R), soil erodibility (K), slope length and steepness (LS), crop management (C), and conservation practice (P) factors. A sediment rating curves of the study area was developed to verify the accuracy as well as comparison to the sediment yield estimated by USLE. The results show good correlation between the sediment yield estimated by USLE and observed data (r2 is 0.62). The sediment yield estimated in the year 1974 was 1300 ton/km2/year, 1984 was 1921 ton/km2/year, 2004 was 1919 ton/km2/year and 2012 was 2336 ton/km2/year. Based on the land use analysis, agricultural activity was dominant in the Barat Daya area and contributes much of the sediment into the river system. 2015-08 Conference or Workshop Item PeerReviewed application/pdf en http://eprints.usm.my/35103/1/PPIK20.pdf Mohd Najib, Sumayyah Aimi and A. Rahaman, Zullyadini (2015) An estimation of sediment yield using universal soil loss (USLE) and rating curve in Barat Daya District of Penang, Malaysia. In: International Conference on Development and Socio Spatial Inequalities 2015, 19 – 20 August 2015, Pulau Pinang, Malaysia. |
| spellingShingle | H Social Sciences (General) Mohd Najib, Sumayyah Aimi A. Rahaman, Zullyadini An estimation of sediment yield using universal soil loss (USLE) and rating curve in Barat Daya District of Penang, Malaysia |
| title | An estimation of sediment yield using universal soil loss (USLE) and rating curve in Barat Daya District of Penang, Malaysia
|
| title_full | An estimation of sediment yield using universal soil loss (USLE) and rating curve in Barat Daya District of Penang, Malaysia
|
| title_fullStr | An estimation of sediment yield using universal soil loss (USLE) and rating curve in Barat Daya District of Penang, Malaysia
|
| title_full_unstemmed | An estimation of sediment yield using universal soil loss (USLE) and rating curve in Barat Daya District of Penang, Malaysia
|
| title_short | An estimation of sediment yield using universal soil loss (USLE) and rating curve in Barat Daya District of Penang, Malaysia
|
| title_sort | estimation of sediment yield using universal soil loss usle and rating curve in barat daya district of penang malaysia |
| topic | H Social Sciences (General) |
| url | http://eprints.usm.my/35103/1/PPIK20.pdf |
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