Journal of Remote Sensing & GIS

Sabu Joseph

Publications

• Research Article
  Assessment of Pollution Status of a Coastal Lake System using Satellite Imagery
  Author(s): Sheela AM, Letha J, Sabu Joseph, Ramachandran KK and Justus J Sheela AM, Letha J, Sabu Joseph, Ramachandran KK and Justus J
  
  Water pollution is a major threat to the existence of living beings. The restoration measures can be taken by assessing the extent of pollution in water bodies using various water quality indices. National Sanitation Federation Water Quality Index (NSFWQI) is the most widely used index. Usually NSFWQI is determined by collecting and analyzing water samples from various locations and it is a tedious and expensive process. Trophic status is usually ascertained from satellite imagery of Landsat TM. Here attempt has been made to quickly assess the pollution status in a vast area (Akkulam-Veli Lake, Kerala, India) directly from the satellite imagery (IRS P6- LISSIII) using NSFWQI. It is also attempted to calculate the pH, dissolved oxygen (DO), biochemical oxygen demand (BOD) and fecal coliforms (FC) in the Lake system. Regression equations for the p.. View More»
  DOI: 10.4172/2169-0049.1000110

  Abstract PDF