Hydrological trend analysis due to land use changes at langat river basin

Hafizan Juahir, Sharifuddin M. Zain, Ahmad Zaharin Aris, Mohd Kamil Yusof, Mohd Armi Abu Samah, Mazlin Mokhtar

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

This present study was carried out to detect the spatial and temporal change (1974-2000) in hydrological trend and its relationship to land use changes in the Langat River Basin. To obtain a clear picture of the hydrological parameters during the study period, rainfall data were analyzed. With the help of GIS and non-parametric Mann-Kendall (MK) statistical test the significance of trend in hydrological and land use time series was measured. Trend analyses indicated that a relationship between hydrological parameters namely discharge and direct runoff and land use types namely agriculture, forest, urban, waterbody and others was evident. This analysis indicates that rainfall intensity does not play an important role as a pollutant contributor via the rainfall runoff process nor does it directly influence the peak discharges. Land use shows tremendous changes in trend surrounding Dengkil station compared a little changes surrounding Lui station. Mann-Kendall test of trend shows an increasing trend (p-value<0.01) of annual maximum-minimum ratio for Dengkil station, while no significant trend is observed for Lui station. There is evidence that regional variability in discharge behaviour is strongly related to land use or land cover changes along the river basin.

Original languageEnglish
Pages (from-to)20-31
Number of pages12
JournalEnvironmentAsia
Volume3
Issue numberSPECIAL ISSUE
Publication statusPublished - Jan 2010

Fingerprint

trend analysis
Rivers
Land use
Catchments
land use change
river basin
Rain
Agriculture
Runoff
land use
Statistical tests
runoff
Geographic information systems
rainfall
Time series
peak discharge
trend
precipitation intensity
land cover
GIS

Keywords

  • Hydrological
  • Land use
  • Mann-kendall
  • Temporal change
  • Trend analysis

ASJC Scopus subject areas

  • Environmental Science(all)
  • Toxicology

Cite this

Juahir, H., Zain, S. M., Aris, A. Z., Yusof, M. K., Samah, M. A. A., & Mokhtar, M. (2010). Hydrological trend analysis due to land use changes at langat river basin. EnvironmentAsia, 3(SPECIAL ISSUE), 20-31.

Hydrological trend analysis due to land use changes at langat river basin. / Juahir, Hafizan; Zain, Sharifuddin M.; Aris, Ahmad Zaharin; Yusof, Mohd Kamil; Samah, Mohd Armi Abu; Mokhtar, Mazlin.

In: EnvironmentAsia, Vol. 3, No. SPECIAL ISSUE, 01.2010, p. 20-31.

Research output: Contribution to journalArticle

Juahir, H, Zain, SM, Aris, AZ, Yusof, MK, Samah, MAA & Mokhtar, M 2010, 'Hydrological trend analysis due to land use changes at langat river basin', EnvironmentAsia, vol. 3, no. SPECIAL ISSUE, pp. 20-31.
Juahir H, Zain SM, Aris AZ, Yusof MK, Samah MAA, Mokhtar M. Hydrological trend analysis due to land use changes at langat river basin. EnvironmentAsia. 2010 Jan;3(SPECIAL ISSUE):20-31.
Juahir, Hafizan ; Zain, Sharifuddin M. ; Aris, Ahmad Zaharin ; Yusof, Mohd Kamil ; Samah, Mohd Armi Abu ; Mokhtar, Mazlin. / Hydrological trend analysis due to land use changes at langat river basin. In: EnvironmentAsia. 2010 ; Vol. 3, No. SPECIAL ISSUE. pp. 20-31.
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