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| Last Updated:: 04/08/2022

GRIDD Maps

 

Grid Based DecisionSupporting Syste(GRIDSS)
 
Ministry of Environment and Forest & Climate Change, Government of India has been introduced new scheme for Grid Based Decision Support System (GRIDSS). District level environmental survey of the country through a Grid Based approach using grids 9x9 km or a suitable measurement, depending on the requirement for effective survey of various environmental parameters.
ENVIS secretariat has allotted Chennai, Thiruvallur, Namakkal & Karur, Salem districts for Grid Based Decision Support System (GRIDSS).
 
I. Chennai district
 
Chennai district has selected for Grid Based Decision Support System (GRIDSS). Chennai district was divided into grids of 5 X 5 km based on requirements and the base line data were collected. Collected secondary data of the Line Departments with respect to Chennai districts. The collected data was compiled and prepared GRID based maps in Chennai District
 

 
 
   II.    Thiruvallur district 
 
     Thiruvallur district has selected for Grid Based Decision Support System (GRIDSS). Thiruvallur district was divided into grids of 10 X 10 km based on requirements and the base line data were collected. Collected secondary data of the Line Departments with respect to Thiruvallur districts.
   The collected data was compiled and prepared GRID based maps in Thiruvallur District.

 

2. Population Distribution

3. Land use land cover

4. Geological map

5. Forest types

6. Reserve forest

7. Water bodies

8. Location of industries

9. Location of major minerals

10. Location of minor minerals

11. Road map

12. Railway route map

13. Tourist place

 14. Settlement map

 15. Location of soil types

 
 
 
III.     Namakkal district

Namakkal district has selected for Grid Based Decision Support System (GRIDSS). Namakkal district was divided into grids of 10 X 10 km based on requirements and the base line data were collected. Collected secondary data of the Line Departments with respect to Namakkal districts. The collected data was compiled and prepared GRID based maps in Namakkal District.

 

1.Taluk Map

2.Aspect Map

3.Contour Map

4.Elevation Map

5.Forest type Map

6.Hill shade Map

7.Land Use Map

8.NDVI

9.NDBI

10.NDWI

11.Reserve forest Map

12.Waterbodies Map

13.Road Map

14.Slope Map

15.Tourist Map

 

 

IV.      Karur district

Karur district has selected for Grid Based Decision Support System (GRIDSS). Karur district was divided into grids of 10 X 10 km based on requirements and the base line data were collected. Collected secondary data of the Line Departments with respect to Karur districts. The collected data was compiled and prepared GRID based maps in Karur District.

 

 

1.District Map

 

2.Taluk Map

 

3.Aspect Map

 

4.Elevation Map

 

5.Fill Map

 

6.Flow Accumulation Map

 

7.Flow Direction Map

 

8.Hill shade Map

 

9.Land Use Land Cover Map

 

10. Organic carbon density Map

 

11.Slope Map

 

12.Soil Map

 

13.Wasteland Map

 

14.Bulk density Map

 

 

III.             Salem district
 
Salem district has selected for Grid Based Decision Support System (GRIDSS). Salem district was divided into grids of 10 X 10 km based on requirements and the base line data were collected. Collected secondary data of the Line Departments with respect to Salem districts. The collected data was compiled and prepared GRID based maps in Salem District.
 
 

2.     Taluk Map

3.      Aspect Map

4.      Contour Map

5.      Elevation Map

6.      Forest type Map

7.      Hill shade Map

8.      NDVI Map

9.      NDWI Map

10. Land Use Map

11. Tourist Map

12.   Slope Map