Change Areas of Groundwater potential zones (sq·km) | |||||||
Years | Very low | Low | Medium | High | Very High | ||
2002-1992 | −7.311 | 3.271 | 27.815 | −27.943 | 4.168 | ||
2012-2002 | 1.554 | −1.956 | −15.059 | 18.166 | 0.441 | ||
2022-2012 | 1.043 | 5.215 | −15.748 | 3.692 | 5.799 | ||
2042-2022 | 1.106 | −80.857 | 233.194 | −190.548 | 37.104 | ||