K. Sneka

Flood Inundation Mapping Using Sentinel 1A Satelite Data in Major Blocks of Mayiladuthurai District, Tamil Nadu, India

K. Sneka, S. Pazhanivelan, K. P. Ragunath, M. Raju, A. Suganthi & S. Satheesh · International Journal of Plant & Soil Science · 2023

A research study was carried out for mapping flood affected areas from Sentinel 1A satellite data in the major blocks of Mayiladuthurai district, Tamil Nadu. A very high-resolution Sentinel 1A satellite data was acquired and processed with GIS tools. Ground truth gathered during...

Open access Research Article 10.9734/ijpss/2023/v35i193589

Rainfall Variability and Drought Characterisation Using SPI and Rainfall Deviation in Tirupur District, India (1991–2023)

Sellaperumal Pazhanivelan, K. J. D. Karthika, S. Satheesh, K. P. Ragunath & K. Sneka · International Journal of Environment and Climate Change · 2026

Drought remains a critical hazard in semi-arid agro-climatic zones, with substantial effects on agricultural productivity and regional water resources. This study characterises rainfall variability and evaluates meteorological drought dynamics in Tirupur district, Tamil Nadu, Ind...

Open access Research Article 10.9734/ijecc/2026/v16i85586

Enhancing Flood Area Mapping Accuracy Using Advanced SAR Data Processing

S. Pazhanivelan, K. P. Ragunath, N.S. Sudarmanian, S. Satheesh & K. Sneka · International Journal of Environment and Climate Change · 2024

Aim: To assess the spatial distribution of floods in 2024 using remote sensing data, specifically Synthetic Aperture Radar (SAR), a powerful tool in flood monitoring and mapping due to its ability to capture data under all weather conditions, including rain and cloud cover provid...

Open access Research Article 10.9734/ijecc/2024/v14i124662