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2. Contributors

Author

Aditya, S.K., primary, Aneesh Kumar, R., additional, Anoop Krishnan, K., additional, Ansari, J., additional, Chakraborty, Trisha, additional, Chandrasekar, N., additional, Chaudhary, B.S., additional, Datta, Debajit, additional, Ghadei, Prashant, additional, Himangshu, Kalita, additional, Huang, Daji, additional, Ibrahim-Bathis, K., additional, Jose, Jeenu, additional, Kashyap, V., additional, Krishnakumar, A., additional, Kumar, Pavan, additional, Masroor, Md., additional, Matin, Shafique, additional, Mohammed-Aslam, M.A., additional, Naskar, Mrinmoyee, additional, Neogy, Sohini, additional, Rafeeque, M.K., additional, Ramachandran, K.K., additional, Rameshan, M., additional, Rani, Meenu, additional, Rehman, Sufia, additional, Rejith, R.G., additional, Renjith, R.A., additional, Roy, Asit Kumar, additional, Saharuba, P.M., additional, Sajjad, Haroon, additional, Sathee Sankar, Praveen, additional, Saurabh, Sakhre, additional, Seenipandi, Kaliraj, additional, Shekhar, Sulochana, additional, Shravanraj, K., additional, Singh, Ram Kumar, additional, Sreeraj, M.K., additional, Sundararajan, M., additional, Venkatesan, S., additional, Vrinda, M., additional, and Yin, Wenbin, additional

Published
2021
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14. Assessment of the impact of flood on groundwater hydrochemistry and its suitability for drinking and irrigation in the River Periyar Lower Basin, India

Author

Appukuttanpillai Krishnakumar, Jeenu Jose, Seenipandi Kaliraj, Sanal Kumar Aditya, and Krishnan Anoop Krishnan

Subjects
Health, Toxicology and Mutagenesis, Nitrogen Dioxide, Sodium, India, General Medicine, Pollution, Floods, Rivers, Water Quality, Escherichia coli, Environmental Chemistry, Groundwater, Water Pollutants, Chemical, Environmental Monitoring
Abstract

Owing to the consequences of Anthropocene climate changes, extremes of weather and climate disasters such as heavy precipitation, tropical cyclones, and floods, have strengthened in every region across the globe and are badly affecting the earth system processes. The climate change has a tremendous impact in the Western Ghats, the UNESCO heritage site in India, and has to be studied in detail. Floods are the most common (and among the most deadly) natural disasters bringing heavy destruction in the Western Ghat river basins of India, and the Periyar basin is one among them. The low-lying areas of Periyar river basin (RPLB) is one of the worst affected river basins in the 2018 Kerala floods. Since the basin was continuously monitoring, the groundwater quality has been assessed in Periyar basin during three periods (pre-flood, flood, and post-flood-April, August, and October 2018 respectively) and is described in this paper. Since the water table is shallow in RPLB, floodwaters quickly reach the groundwater table, thus influencing the groundwater quality. So, the groundwater samples were collected from 26 sites in RPLB, and analyzed for quality determining parameters. Parameters like pH, TDS, EC, TH, NH

Published
2021

24. Hydrochemical characterization and groundwater quality in Cauvery deltaic fluvial plains of Southern India

Author

Manickam, Lalitha, Subramanian, Dharumarajan, Beeman, Kalaiselvi, Khandal, Shivanand, Arti, Koyal, Seenipandi, Kaliraj, and Rajendra, Hegde

Subjects
Water Quality, India, Groundwater, Water Pollutants, Chemical, Environmental Monitoring
Abstract

Groundwater sources are drastically changing in their quantity and quality depending on local and regional level natural and anthropogenic factors, influencing their suitability for drinking and irrigation purposes. The objective of this study is to characterize the hydrochemistry and assess the groundwater quality in the fluvial deltaic plains of Cauvery river basin, Tamil Nadu, India. A total of 50 georeferenced groundwater samples were collected across Needamangalam block of Thiruvarur district and analyzed for major ions and hydrochemical processes. The results showed an ionic sequence of Cl

Published
2020

30. Monitoring of seasonally variability and movement of suspended sediment concentration along Thiruvananthapuram coast using OLI sensor.

Author

Tripathy, Bismay Ranjan, Seenipandi, Kaliraj, Sajjad, Haroon, Joshi, Pawan Kumar, Chaudhary, Bhagwan Singh, and Kumar, Pavan

Subjects
HYDROLOGISTS, DETECTORS, SEDIMENTS
Abstract

In the recent decades hydrologists, geologists, and stream ecologists have shown substantial interest in analyzing suspended sediments in water. Extracting information like suspended sediment concentration (SSC) in coastal waters is very important for assessment and monitoring of coastal settings and their effects on their ecology. This article demonstrates importance of Landsat 8 Operational Land Imager (OLI) for monitoring seasonal variation in SSC and movement (pre and post monsoon) along Thiruvananthapuram Coast in India. The data was converted into marine reflectance after correcting due atmospheric errors. SSC was extracted using spectral analysis data analysis. Movement of SSC was monitored using wave direction and significant wave height data. The results revealed that the SSC decreased rapidly with the increase in distance from the beach and depth of the seabed. Wave with higher frequency in deeper water caused sparely circulation of sediments and their concentration at the lower depth in high bathymetry. Thus, the suspended sediments were indirectly proportional to bathymetry and distance from the shoreline and directly proportion to wave direction and littoral current at off-shore. High concentration of sediments was found to be accumulated at shallow depth (< 10 m), which was estimated to be 92 mg/l and decreased up to 30 mg/l at a depth of 30 m. The movement of sediments was observed north-south during the pre-monsoon and reversed during post-monsoon due to reversal in wind direction. Satellite remote sensing techniques and data processing can be efficiently used for SSC monitoring and their movement in ocean. Such estimates over temporal and spatial scales can be used for coastal zone management and conservation. [ABSTRACT FROM AUTHOR]

Published
2018
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