Table 3 Calculated fresh and saline water interface for all the three seasons [Here (-) sign before the values of ‘Z’ shows the depth of fresh and saline water interface below the mean sea level]
From: Prediction of sea water intrusion for mining activity in close precincts of sea shore
Pre monsoon season | |||||||
S. No. | Well No. | RL | GWT | GWC | TDW | TGWC(h f ) | Z=40h f |
1 | W1 | 31.5 | 9.9 | 7.1 | 17 | 21.6 | -864 |
2 | W2 | 30 | 21.2 | 8.3 | 29.5 | 8.8 | -352 |
3 | W3 | 31 | 11 | 7 | 18 | 20 | -800 |
4 | W5 | 13.5 | 3.5 | 1 | 4.5 | 10 | -400 |
5 | W6 | 14 | 3.6 | 5.1 | 8.7 | 10.4 | -416 |
6 | W7 | 14 | 5.4 | 5.2 | 10.6 | 8.6 | -344 |
Monsoon season | |||||||
S. No. | Well No. | RL | GWT | GWC | TDW | TGWC(h f ) | Z=40h f |
1 | W1 | 31.5 | 3.6 | 13.4 | 17 | 27.9 | -1116 |
2 | W2 | 30 | 18 | 11.5 | 29.5 | 12 | -480 |
3 | W3 | 31 | 4.2 | 13.8 | 18 | 26.8 | -1072 |
4 | W5 | 13.5 | 1.4 | 3.1 | 4.5 | 12.1 | -484 |
5 | W6 | 14 | 0.5 | 8.2 | 8.7 | 13.5 | -540 |
6 | W7 | 14 | 1 | 9.6 | 10.6 | 13 | -520 |
Post monsoon season | |||||||
S. No. | Well No. | RL | GWT | GWC | TDW | TGWC(h f ) | Z=40h f |
1 | W1 | 31.5 | 5 | 12 | 17 | 26.5 | -1060 |
2 | W2 | 30 | 17.5 | 12 | 29.5 | 12.5 | -500 |
3 | W3 | 31 | 11.6 | 6.4 | 18 | 19.4 | -776 |
4 | W5 | 13.5 | 1.7 | 2.8 | 4.5 | 11.8 | -472 |
5 | W6 | 14 | 1 | 7.7 | 8.7 | 13 | -520 |
6 | W7 | 14 | 4.2 | 6.4 | 10.6 | 9.8 | -392 |