Table 6.7
Projected groundwater level and climatic parameters in some Indian states
States
Current annual
average
groundwater
level in mbgl
(2019)
Projected
groundwater
level (mbgl)
in 2020
Projected
groundwater
level (mbgl)
in 2030
Projected
groundwater
level (mbgl)
in 2040
Projected
groundwater
level (mbgl)
in 2050
Observed
trend of
precipitation
Observed
trend of
temperature
Projected
trend of
precipitation
Projected
trend of
temperature
Punjab
17.8
18.4
23.0
27.5
32.0
Decreasing
Decreasing Decreasing
Increasing
Rajasthan
24.9
26.8
27.6
28.4
29.2
Increasing
Increasing
Decreasing
Increasing
Haryana
15.6
17.8
21.5
25.2
28.9
Increasing
Increasing
Decreasing
Increasing
Delhi
16.3
19.9
24.2
28.5
32.8
Decreasing
Increasing
Decreasing
Increasing
Chandigarh 15.0
23.8
29.7
35.6
41.6
Increasing
Increasing
Decreasing
Increasing
Andhra
Pradesh
13.8
15.0
18.8
22.5
26.3
Increasing
Increasing
Decreasing
Increasing
Pondicherry 12.7
12.4
16.7
20.9
25.2
Increasing
Increasing
Decreasing
Increasing
Uttar
Pradesh
9.3
9.5
10.8
12.1
13.4
Decreasing
Increasing
Decreasing
Increasing
Tamil Nadu
6.8
9.8
11.2
12.6
14.0
Increasing
Increasing
Decreasing
Increasing
Gujarat
11.2
16.5
17.6
18.7
19.8
Increasing
Increasing
Decreasing
Increasing
Source: Estimated from WRIS-NRSC data and previous studies
mbgl
meters below ground level
150
S. Mukhopadhyay and A. K. Mandal