CSIR-National Geophysical Research Institute (NGRI) has released the ‘Geochemical Baseline Atlas of India’ on November 9, 2019.
The atlas-released first time, can be use dby policy makers to assess environmental damage .
Uses
- The atlas consists 45 maps of metals, oxides and elements present in top and bottom soils across India.
- It will serve as a reference against which future generations would be able to assess the chemical compositional changes on Earth’s surface.
- These maps help in assessing the contamination by industries or other polluting sources.
How the Atlas was prepared?
- The globe was divided into 5,000 cells of 160 km by 160 km each to develop the maps.
- Out of 5000 cells, India has 122 cells. The work started in 2007 from cell number 1 in Kanyakumari. The last cell is in Arunachal Pradesh.