Radon isotope assessment of submarine groundwater discharge (SGD) in Coleroon River Estuary, Tamil Nadu, India

Autor:	G. Ponnumani, K. Srinivasamoorthy, F. Vinnarasi, S. Gopinath, R. Prakash, P. Anandhan, K. Saravanan, S. Chidambaram
Rok vydání:	2018
Předmět:	Hydrology geography geography.geographical_feature_category 010504 meteorology & atmospheric sciences Isotope Health Toxicology and Mutagenesis Public Health Environmental and Occupational Health chemistry.chemical_element Estuary Radon 010501 environmental sciences 01 natural sciences Pollution Submarine groundwater discharge Analytical Chemistry Pore water pressure Nuclear Energy and Engineering chemistry Environmental science Radiology Nuclear Medicine and imaging Groundwater discharge Spectroscopy Groundwater 0105 earth and related environmental sciences
Zdroj:	Journal of Radioanalytical and Nuclear Chemistry. 317:25-36
ISSN:	1588-2780 0236-5731
DOI:	10.1007/s10967-018-5877-2
Popis:	Submarine groundwater discharge is the fresh groundwater discharge to sea that impacts the coastal regions. Radon (222Rn) isotope has been used to quantify SGD in coleroon river estuary, India. Continuous 222Rn analyses were attempted for 10 days in groundwater and pore water samples at three different locations. 222Rn in groundwater ranges between 35.0 and 222.0 Bq m−3 and in pore water between 14.0 and 150.0 Bq m−3 irrespective of locations. The radon mass balance estimated total SGD rate ranges between 2.37 and 7.47 m days−1. The SGD increases with distance from coast, influenced by tides and hydrological features.
Databáze:	OpenAIRE
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