Natural vs. artificial groundwater recharge, quantification through inverse modeling
Hashemi, Hossein LU
; Berndtsson, Ronny
LU
; Kompani-Zare, Mazda
and Persson, Magnus
LU
(2013)
In Hydrology and Earth System Sciences
17(2).
p.637-650
- Abstract
- Estimating the change in groundwater recharge from an introduced artificial recharge system is important in order to evaluate future water availability. This paper presents an inverse modeling approach to quantify the recharge contribution from both an ephemeral river channel and an introduced artificial recharge system based on floodwater spreading in arid Iran. The study used the MODFLOW-2000 to estimate recharge for both steady and unsteady-state conditions. The model was calibrated and verified based on the observed hydraulic head in observation wells and model precision, uncertainty, and model sensitivity were analyzed in all modeling steps. The results showed that in a normal year without extreme events the floodwater spreading... (More)
- Estimating the change in groundwater recharge from an introduced artificial recharge system is important in order to evaluate future water availability. This paper presents an inverse modeling approach to quantify the recharge contribution from both an ephemeral river channel and an introduced artificial recharge system based on floodwater spreading in arid Iran. The study used the MODFLOW-2000 to estimate recharge for both steady and unsteady-state conditions. The model was calibrated and verified based on the observed hydraulic head in observation wells and model precision, uncertainty, and model sensitivity were analyzed in all modeling steps. The results showed that in a normal year without extreme events the floodwater spreading system is the main contributor to recharge with 80% and the ephemeral river channel with 20% of total recharge in the studied area. Uncertainty analysis revealed that the river channel recharge estimation represents relatively more uncertainty in comparison to the artificial recharge zones. The model is also less sensitive to the river channel. The results show that by expanding the artificial recharge system the recharge volume can be increased even for small flood events while the recharge through the river channel increases only for major flood events. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/3233582
- author
- Hashemi, Hossein
LU
; Berndtsson, Ronny
LU
; Kompani-Zare, Mazda
and Persson, Magnus
LU
- organization
- publishing date
- 2013
- type
- Contribution to specialist publication or newspaper
- publication status
- published
- subject
- categories
- Higher Education
- in
- Hydrology and Earth System Sciences
- volume
- 17
- issue
- 2
- pages
- 637 - 650
- publisher
- Copernicus GmbH
- external identifiers
-
- wos:000314802700014
- scopus:84879116080
- ISSN
- 1607-7938
- DOI
- 10.5194/hess-17-637-2013
- language
- English
- LU publication?
- yes
- additional info
- Open Access Journal
- id
- 59476902-196e-4c16-83be-bbd9d5631c17 (old id 3233582)
- date added to LUP
- 2016-04-01 10:38:31
- date last changed
- 2024-05-06 16:27:02
@misc{59476902-196e-4c16-83be-bbd9d5631c17,
abstract = {{Estimating the change in groundwater recharge from an introduced artificial recharge system is important in order to evaluate future water availability. This paper presents an inverse modeling approach to quantify the recharge contribution from both an ephemeral river channel and an introduced artificial recharge system based on floodwater spreading in arid Iran. The study used the MODFLOW-2000 to estimate recharge for both steady and unsteady-state conditions. The model was calibrated and verified based on the observed hydraulic head in observation wells and model precision, uncertainty, and model sensitivity were analyzed in all modeling steps. The results showed that in a normal year without extreme events the floodwater spreading system is the main contributor to recharge with 80% and the ephemeral river channel with 20% of total recharge in the studied area. Uncertainty analysis revealed that the river channel recharge estimation represents relatively more uncertainty in comparison to the artificial recharge zones. The model is also less sensitive to the river channel. The results show that by expanding the artificial recharge system the recharge volume can be increased even for small flood events while the recharge through the river channel increases only for major flood events.}},
author = {{Hashemi, Hossein and Berndtsson, Ronny and Kompani-Zare, Mazda and Persson, Magnus}},
issn = {{1607-7938}},
language = {{eng}},
number = {{2}},
pages = {{637--650}},
publisher = {{Copernicus GmbH}},
series = {{Hydrology and Earth System Sciences}},
title = {{Natural vs. artificial groundwater recharge, quantification through inverse modeling}},
url = {{https://lup.lub.lu.se/search/files/2017182/4139535.pdf}},
doi = {{10.5194/hess-17-637-2013}},
volume = {{17}},
year = {{2013}},
}