Impacts of land-use on the physical water qualities of Bangk Pakong river Basin (Thailand)
1986
Satdha Mee-ong
Four land use watersheds: namely forest watershed (Wang Takhrai); forest-agricultural watersheds (Klong Si Yat and Klong Pra Satung); upland agricultural watersheds (Klong Phra Prong and Klong Mai Saeb); lowland agricultural watersheds (Klong Nong Keo and Klong Bang Pai); and also in the Nakhon Nayok, Prachinburi and Bangk Pakong river basins were studies. The results of water qualities of various land use and main river watersheds would be pointed out to conclude that (1) forest watershed and Nakhon Nayok river basin were under the criteria of natural water quality; (2) forest-agricultural and upland agricultural watershed as well as Prachinburi river basin were found color and turbidity greater than the criteria of natural water quality; (3) lowland watershed gave the values with greater than the standards for color, turbidity, electrical conductivity and total solids; (4) Bang Pakong river basin was also indicated the values greater than the standards for hardness, electrical conductivity and total solids. Summarily speaking, water qualities of Bangk Pakong river basin were mostly under surface water quality standards, only some of them could not be accepted.
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