Input variables

Pleistocene (qp2-3 and qp3)

Groundwater level (stations)

W(t), W(t-1), W(t-2), W(t-3) at QT08, QT16; W(t), W(t-1) at QT09

Rainfall (Can Tho station)

R(t)

Water level (Bassac river)

WL(t) at Can Tho and Long Xuyen station

GWR withdrawal

Tra Noc Industrial Zone

Predicted GWL stations

QT08, QT16

Lead time (month)

1, 2 and 3

ANN structures

14-15-1 for qp2-3 and 12-15-1 for qp3