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Table 2 Resultant output showing percentage of zone wise area of coverage

From: Identifying groundwater recharge zones using remote sensing & GIS techniques in Amaravathi aquifer system, Tamil Nadu, South India

Zone

% of Area coverage

Suitable structures

Very high

10

Suitable for all recharge structures like percolation pond and stop dam, check dam, etc.

High

35

Suitable for all recharge structures like stop dam, check dam, etc.

Moderate

40

Suitable for all recharge structures like earthen check dam, boulder check dam and nala bund, etc.

Poor

15

Hilly/Forest/Catchment area – not suitable