Short-term sediment yields from small catchment of Sungai Anak Bangi Selangor

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Abstract

Suspended sediment yield from the forested catchment of Sg Anak Bangi was investigated from September to November 2006. Three main data were measured namely the rainfall depth, the suspended sediment concentration and river discharge (Q) at two sampling stations along the river. Twelve rainfall events were recorded with highest rainfall of 36.7 mm was received on October 02 2006, while the lowest rainfall depth was recorded on October 08 2006 (1.9 mm). Almost all the rainfall events occurred within the short and moderate durations (< 7 hours). Meanwhile, the daily Q sampled ranges from 172.8 m3/day to 6220.8 m3/day or 172,800 to 6220,800 L/day. The average suspended sediment concentration values recorded for both stations are considered low, with 19.47 mg/1 and 25.23 mg/1 recorded at Station 1 and Station 2, respectively. When converted to average suspended sediment yield per day, Sg Anak Bangi recorded 75.04 kg/day at Station 1 while at Station 2 was 103.26 kg/day. When converted into per square km, the gross value of suspended sediment yield leaved from Sg Anak Bangi is estimated to be about 27.91 kg/km 2/day or 10,186 kg/kmVyr1.

Original languageEnglish
Pages (from-to)55-59
Number of pages5
JournalBulletin of the Geological Society of Malaysia
Issue number55
Publication statusPublished - Nov 2009

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sediment yield
suspended sediment
catchment
rainfall
forested catchment
river discharge
station
sampling
river

Keywords

  • Concentration
  • Rainfall
  • River discharge
  • Sg anak bangi
  • Suspended sediment concentration

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)

Cite this

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title = "Short-term sediment yields from small catchment of Sungai Anak Bangi Selangor",
abstract = "Suspended sediment yield from the forested catchment of Sg Anak Bangi was investigated from September to November 2006. Three main data were measured namely the rainfall depth, the suspended sediment concentration and river discharge (Q) at two sampling stations along the river. Twelve rainfall events were recorded with highest rainfall of 36.7 mm was received on October 02 2006, while the lowest rainfall depth was recorded on October 08 2006 (1.9 mm). Almost all the rainfall events occurred within the short and moderate durations (< 7 hours). Meanwhile, the daily Q sampled ranges from 172.8 m3/day to 6220.8 m3/day or 172,800 to 6220,800 L/day. The average suspended sediment concentration values recorded for both stations are considered low, with 19.47 mg/1 and 25.23 mg/1 recorded at Station 1 and Station 2, respectively. When converted to average suspended sediment yield per day, Sg Anak Bangi recorded 75.04 kg/day at Station 1 while at Station 2 was 103.26 kg/day. When converted into per square km, the gross value of suspended sediment yield leaved from Sg Anak Bangi is estimated to be about 27.91 kg/km 2/day or 10,186 kg/kmVyr1.",
keywords = "Concentration, Rainfall, River discharge, Sg anak bangi, Suspended sediment concentration",
author = "Toriman, {Mohd. Ekhwan} and Mazlin Mokhtar and {A. Karim}, Othman and {Barzani Gasim}, M. and Taha, {Mohd. Raihan}",
year = "2009",
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T1 - Short-term sediment yields from small catchment of Sungai Anak Bangi Selangor

AU - Toriman, Mohd. Ekhwan

AU - Mokhtar, Mazlin

AU - A. Karim, Othman

AU - Barzani Gasim, M.

AU - Taha, Mohd. Raihan

PY - 2009/11

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N2 - Suspended sediment yield from the forested catchment of Sg Anak Bangi was investigated from September to November 2006. Three main data were measured namely the rainfall depth, the suspended sediment concentration and river discharge (Q) at two sampling stations along the river. Twelve rainfall events were recorded with highest rainfall of 36.7 mm was received on October 02 2006, while the lowest rainfall depth was recorded on October 08 2006 (1.9 mm). Almost all the rainfall events occurred within the short and moderate durations (< 7 hours). Meanwhile, the daily Q sampled ranges from 172.8 m3/day to 6220.8 m3/day or 172,800 to 6220,800 L/day. The average suspended sediment concentration values recorded for both stations are considered low, with 19.47 mg/1 and 25.23 mg/1 recorded at Station 1 and Station 2, respectively. When converted to average suspended sediment yield per day, Sg Anak Bangi recorded 75.04 kg/day at Station 1 while at Station 2 was 103.26 kg/day. When converted into per square km, the gross value of suspended sediment yield leaved from Sg Anak Bangi is estimated to be about 27.91 kg/km 2/day or 10,186 kg/kmVyr1.

AB - Suspended sediment yield from the forested catchment of Sg Anak Bangi was investigated from September to November 2006. Three main data were measured namely the rainfall depth, the suspended sediment concentration and river discharge (Q) at two sampling stations along the river. Twelve rainfall events were recorded with highest rainfall of 36.7 mm was received on October 02 2006, while the lowest rainfall depth was recorded on October 08 2006 (1.9 mm). Almost all the rainfall events occurred within the short and moderate durations (< 7 hours). Meanwhile, the daily Q sampled ranges from 172.8 m3/day to 6220.8 m3/day or 172,800 to 6220,800 L/day. The average suspended sediment concentration values recorded for both stations are considered low, with 19.47 mg/1 and 25.23 mg/1 recorded at Station 1 and Station 2, respectively. When converted to average suspended sediment yield per day, Sg Anak Bangi recorded 75.04 kg/day at Station 1 while at Station 2 was 103.26 kg/day. When converted into per square km, the gross value of suspended sediment yield leaved from Sg Anak Bangi is estimated to be about 27.91 kg/km 2/day or 10,186 kg/kmVyr1.

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KW - River discharge

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KW - Suspended sediment concentration

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