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Geochemical Baseline Atlas Of India
Recently, the CSIR- National Geophysical Research Institute has brought out the Geochemical Baseline Atlas of India for environment management purpose.Consider the following given statements about the Atlas:
- The atlas consist 45 maps of metals, oxides and elements present in top and bottom soils across India.
- The map trace elements from top soil i.e. top 25 cm depth and bottom soil at 100 cm depth from the year 2006 to 2011.
Choose the correct answer from the codes given below:
A |
Only 1
|
|
B |
Only 2
|
|
C |
Both 1 and 2
|
|
D |
Neither 1 nor 2
|
Your Ans is
Right ans is B
Your Answer Is Correct
Your Answer Is Wrong
Explanation :
- Geochemical Baseline Atlas of India has been developed by CSIR-National Geophysical Research Institute (NGRI), Hyderabad for use by policy makers to assess environmental damage.
- This is the third map among the series of maps published by NGRI. Earlier, The Gravity map of India and Seismic map of India were released by the research institute.
- The geochemical data presented in these maps will be a part of the Global Map to be prepared by the International Union of Geological Sciences (IUGC).
- The atlas consisting 45 maps of metals, oxides and elements present in top and bottom soils across India will serve as a reference against which future generations of the country would be able to assess the chemical compositional changes on Earth’s surface.
- To develop the maps, the globe was divided into 5,000 cells of 160 km by 160 km each. Of it, India has 122 cells.
- The map trace elements from top soil i.e. top 25 cm depth and bottom soil at 100 cm depth from the year 2006 to 2011. Across India, over 545 samples were collected.
Significance
- It will help the country to assess the presence of toxic chemicals in soil and how it varies from place to place.
- It also helps in identifying how soil pollution is contributing to groundwater contamination.
- The map will also support in choosing the right soil that’s rich in certain micronutrient elements required for each plant growth.
- It will help to plan the land use in different parts of the country.
- It helps in finding out future contamination caused by industries or other bodies which cause pollution.
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