| Autor: |
Hoque, Md. Mofizul, Islam, A., Sarkar, B., Saha, U. Deep |
| Zdroj: |
International Journal of Energy and Water Resources; December 2024, Vol. 8 Issue: 4 p545-562, 18p |
| Abstrakt: |
The present study examines the suitability of water (surface and bottom) of the Damodar River and its tributaries for irrigation purposes. Irrigation water quality index (IWQI) and indices related to irrigation hazards (salinity, alkalinity, sodicity, and permeability) were measured at 14 stations located around the confluence of the tributaries with the trunk stream to assess the point-specific as well as spatial variations of river water quality and its degree of suitability to irrigation. The degree of salinity hazard (both the surface and bottom water) ranges from low to medium along with a low degree of sodium hazard for both the surface and bottom water. Doneen’s permeability diagram has found 7.14% of the surface and 14.29% of the bottom water samples unsuitable for irrigation. Moreover, the alkali hazard indicates that all of the water samples (both the surface and bottom water) are suitable for irrigation due to the lesser concentration of sodium in the river water. Furthermore, the IWQI ranges from 37.83 to 47.01 on the surface and 42.1 to 53.02 in the bottom water samples of the river. Thus, the poor water quality is mainly driven by the mixing of polluted water from the urban-industrial complex in the Damodar region. The spatial variation in downstream river water quality and the point-specific assessment of the river water quality around the confluences contributes to locating the potential pollutant bearing segments within the watershed. The study bears a valuable understanding of sustainable irrigation development within a watershed. |
| Databáze: |
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