| Abstract Submission No. | ABS-2.3-0236 |
| Title of Abstract | Unveiling the Hidden Water Flows: Exploring Submarine Groundwater Discharge in SE coast of Tamilnadu |
| Authors | S.Selvam*, A.Baalamuruga, P.Muthukumar |
| Organisation | V.O.Chidambaram College |
| Address | Department of Geology V.O.Chidambaram College Tuticorin, Tamilanadu, India Pincode: 628008 E-mail: geoselvam10@gmail.com |
| Country | India |
| Presentation | Poster |
| Abstract | Submarine Groundwater Discharge (SGD) has gained much attention in recent years, as it plays a crucial role in maintaining the water quality and ecological balance of coastal regions. This study aims to investigate the SGD in the SE region of Tamilnadu, which is located in the southern part of India. The study aims to understand the quantity and quality of SGD in the region, as well as its potential impact on the surrounding marine ecosystem. The study was conducted using a geochemical tracing techniques, including Radium, Radon and salinity measurements. The region is located in southern India and is a major hub of agriculture and fisheries. The study found that the groundwater discharge into the sea in the region is substantial and significantly affects the water quality of the coastal ecosystem. The results of the study reveal that the SE region of Tamilnadu has a significant SGD that contributes to the freshwater budget of the coastal region. The total SGD flux is estimated to be around 0.04 to 0.12 m3/day in the Punnakyal region. The new method employed in this study, which involves measuring the water flow rate near the shore, proved to be a reliable and efficient technique for estimating submarine groundwater discharge. The study also found that the SGD is influenced by several factors, including tidal fluctuations, rainfall, and groundwater recharge. Overall, this study provides important insights into the SGD in the SE region of Tamilnadu, which can help in better management and conservation of the coastal water resources. The study also identifies potential anthropogenic impacts on SGD, such as land-use changes and groundwater pumping, which may have negative consequences for the region's coastal ecosystem. |
| Keywords | Submarine Groundwater Discharge, Radon, Radium, Ecosystem, SE of Tamilnadu |