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- Title
ASSESSMENT OF HYDROLOGICAL DROUGHT CONDITION AND ITS IMPACT ON WATER QUALITY-A CASE STUDY IN PARTS OF CHENGALPATTU DISTRICT, TAMIL NADU, INDIA.
- Authors
Kamalanandhini, M.; Annadurai, R.; Dheepak, S.; Deepak, P.; Metilda, J. Esther
- Abstract
Irregular rainfall leads to over-exploitation of groundwater. The shortage of groundwater is a significant concern, and it contributes to the occurrence of hydrological drought. The study is proposed to measure the severity of the hydrological drought. Chengalpattu district located in Tamilnadu, India was identified as the study area because this district received irregular rainfall in the recent past. The hydrological drought assessment was performed with 30 years of rainfall data and the water quality data for the study area. Standardized Precipitation Index and Interpolation techniques were considered as measures of hydrological drought. Rainfall forecasting was done to identify the trend of rainfall over the next 30 years after studying the historical trend. Furthermore, the Water Quality Index was computed in multiple locations to categorize the water quality. Interpolation technique was used for ranging the water quality into nine classes. The result from the standardized precipitation index indicates, the study area is subjected to the occurrence of hydrological drought. The result from the water quality index indicates, there is no impact on the water quality due to the occurrence of a drought event.
- Subjects
INDIA; DROUGHT management; FLOOD warning systems; DROUGHTS; WATER quality; RAINFALL; WATER; CASE studies
- Publication
Rasayan Journal of Chemistry, 2021, Vol 14, Issue 1, p51
- ISSN
0974-1496
- Publication type
Article
- DOI
10.31788/RJC.2021.1416095