<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Iran, being located in arid and semi-arid regions, faces an increase in human demand for water, and the global climate change has led to the excessive use of groundwater. China, India and Iran were ranked from first to third, respectively, in excessive groundwater consumption in 2005. The effects of effective parameters on groundwater recharge such as precipitation, surface recharge and well water harvesting in the Karvan aquifer are assessed. Groundwater flow models have typically been and are being adopted since the beginning of this millennium to better manage groundwater resources. The decrease in groundwater level and the potential environmental hazards thereof have made the researchers here to apply the Groundwater Modelling System (GMS software) in 3D in the subject area. This modelling is calibrated and validated for 86 months at steady and unsteady states. In this study, six scenarios are defined as both an increase and a decrease of 30% in precipitation, both an increase and a decrease of 30% in surface recharge, an increase of 10% in well water harvesting and a decrease of 30% in well water harvesting. The best scenario is selected for the subject area water management.</p>
</abstract>

Iran, being located in arid and semi-arid regions, faces an increase in human demand for water, and the global climate change has led to the excessive use of groundwater. China, India and Iran were ranked from first to third, respectively, in excessive groundwater consumption in 2005. The effects of effective parameters on groundwater recharge such as precipitation, surface recharge and well water harvesting in the Karvan aquifer are assessed. Groundwater flow models have typically been and are being adopted since the beginning of this millennium to better manage groundwater resources. The decrease in groundwater level and the potential environmental hazards thereof have made the researchers here to apply the Groundwater Modelling System (GMS software) in 3D in the subject area. This modelling is calibrated and validated for 86 months at steady and unsteady states. In this study, six scenarios are defined as both an increase and a decrease of 30% in precipitation, both an increase and a decrease of 30% in surface recharge, an increase of 10% in well water harvesting and a decrease of 30% in well water harvesting. The best scenario is selected for the subject area water management.

Groundwater Level Prediction through GMS Software – Case Study of Karvan Area, Iran

Department of Civil Engineering, Najafabad Branch

Quaestiones Geographicae

This work is licensed under the Creative Commons Attribution 3.0 Public License.

Iran, being located in arid and semi-arid regions, faces an increase in human demand for water, and the global climate change has led to the excessive use of...

Type	Infiltration of surface floodwaters	Groundwater	Water consumed in agricultural, drinking, industry	Infiltration of precipitation
Input [Mm³]	12.4	11.5	15.0	5.6
Outflow[Mm³]	0.0	9.3	41.3	0.0

Consumption type	Numbers	Discharge (Mm³)	Percentage
Wells	401	31.2	49.1
Springs	34	21.6	34.0
Subterranean	61	10.7	16.9

Range	dh [m]	dV [Mm³]	%dV
RCH, −30%	−0.430	−49.34	−7.21
RCH, +30%	0.182	20.88	3.05
P, +30%	0.573	65.75	9.62
P, −30%	−0.207	−23.75	−3.48
Wells, −30%	0.373	42.80	6.26
Wells, +10%	−0.122	−13.99	−2.05

Groundwater Level Prediction through GMS Software – Case Study of Karvan Area, Iran

Publié en ligne: 23 sept. 2020

Pages: 139 - 145

Reçu: 05 août 2020

DOI: https://doi.org/10.2478/quageo-2020-0028

Mots clés
groundwater level, MODFLOW model, GMS software, Karvan aquifer

© 2020 Mandana Bayat et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 3.0 Public License.

Fig. 1

Fig. 2

Fig. 3

Fig. 4

Fig. 5

Fig. 6

The Groundwater balance in the subject area.

The description of wells, springs and subterranean.

Groundwater level variations of the Karvan area for the defined scenarios.

The hydrogeology balance in the subject area.

Groundwater Level Prediction through GMS Software – Case Study of Karvan Area, Iran

Publié en ligne: 23 sept. 2020

Pages: 139 - 145

Reçu: 05 août 2020

DOI: https://doi.org/10.2478/quageo-2020-0028

Mots clésgroundwater level, MODFLOW model, GMS software, Karvan aquifer

© 2020 Mandana Bayat et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 3.0 Public License.

Fig. 1

Fig. 2

Fig. 3

Fig. 4

Fig. 5

Fig. 6

The Groundwater balance in the subject area.

The description of wells, springs and subterranean.

Groundwater level variations of the Karvan area for the defined scenarios.

The hydrogeology balance in the subject area.

Mots clés
groundwater level, MODFLOW model, GMS software, Karvan aquifer