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A hybrid approach based on simulation, optimization, and estimation of conjunctive use of surface water and groundwater resources

Arya Azar, Naser ; Kayhomayoon, Zahra ; Ghordoyee Milan, Sami ; Zarif Sanayei, Hamed Reza ; Berndtsson, Ronny LU orcid and Nematollahi, Zahra (2022) In Environmental Science and Pollution Research 29(37). p.56828-56844
Abstract

Due to limited groundwater resources in arid and semi-arid areas, conjunctive use of surface water and groundwater is becoming increasingly important. In view of this, there are needs to improve the methods for conjunctive use of surface and groundwater. Using numerical models, optimization algorithms, and machine learning, we created a new comprehensive methodological structure for optimal allocation of surface and groundwater resources and optimal extraction of groundwater. The surface and groundwater system was simulated by MODFLOW to reflect groundwater transport and aquifer conditions. The important Marvdasht aquifer in the south of Iran was used as an experimental study area to test the methodology. In this context, we developed... (More)

Due to limited groundwater resources in arid and semi-arid areas, conjunctive use of surface water and groundwater is becoming increasingly important. In view of this, there are needs to improve the methods for conjunctive use of surface and groundwater. Using numerical models, optimization algorithms, and machine learning, we created a new comprehensive methodological structure for optimal allocation of surface and groundwater resources and optimal extraction of groundwater. The surface and groundwater system was simulated by MODFLOW to reflect groundwater transport and aquifer conditions. The important Marvdasht aquifer in the south of Iran was used as an experimental study area to test the methodology. In this context, we developed an optimal conjunctive exploitation model for dry and wet years using two new evolutionary algorithms, i.e., whale optimization algorithm (WOA) and firefly algorithm (FA). These were used in combination with the group method of data handling (GMDH) and least squares support vector machine (LS-SVM) to estimate sustainable groundwater withdrawal. The results show that the FA is more efficient in calculating optimal conjunctive water supply so that about 61% of water needs were met in the worst scenario for surface water resources, while it was 52% using the WOA. By applying the optimal conjunctive model during the simulation period, the groundwater level increased by about 0.4 and 0.55 m using the WOA and FA, respectively. The results of Taylor’s diagram, box plot diagram, and rock diagram with error evaluation criteria, i.e., root mean square error (RMSE), mean absolute error (MAE), and Nash–Sutcliffe efficiency (NSE), showed that the GMDH (RMSE = 6.04 MCM, MAE = 3.89 MCM, and NSE = 0.99) was slightly better than LS-SVM (RMSE = 6.36 MCM, MAE = 4.50 MCM, and NSE = 0.98) to estimate optimal groundwater use. The results show that machine learning models are cost- and time-effective solutions to estimate optimal exploitation of groundwater resources in complex combined surface and groundwater supply problems. The methodology can be used to better estimate sustainable exploitation of groundwater resources by water resources managers.

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author
; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Conjunctive surface and groundwater use, Firefly algorithm, Machine learning, Water management, Whale optimization algorithm
in
Environmental Science and Pollution Research
volume
29
issue
37
pages
56828 - 56844
publisher
Springer
external identifiers
  • pmid:35347629
  • scopus:85127237352
ISSN
0944-1344
DOI
10.1007/s11356-022-19762-2
language
English
LU publication?
yes
id
41ff309f-0785-468e-9f16-520b4e9c8cd5
date added to LUP
2022-05-18 14:44:30
date last changed
2024-04-18 07:23:23
@article{41ff309f-0785-468e-9f16-520b4e9c8cd5,
  abstract     = {{<p>Due to limited groundwater resources in arid and semi-arid areas, conjunctive use of surface water and groundwater is becoming increasingly important. In view of this, there are needs to improve the methods for conjunctive use of surface and groundwater. Using numerical models, optimization algorithms, and machine learning, we created a new comprehensive methodological structure for optimal allocation of surface and groundwater resources and optimal extraction of groundwater. The surface and groundwater system was simulated by MODFLOW to reflect groundwater transport and aquifer conditions. The important Marvdasht aquifer in the south of Iran was used as an experimental study area to test the methodology. In this context, we developed an optimal conjunctive exploitation model for dry and wet years using two new evolutionary algorithms, i.e., whale optimization algorithm (WOA) and firefly algorithm (FA). These were used in combination with the group method of data handling (GMDH) and least squares support vector machine (LS-SVM) to estimate sustainable groundwater withdrawal. The results show that the FA is more efficient in calculating optimal conjunctive water supply so that about 61% of water needs were met in the worst scenario for surface water resources, while it was 52% using the WOA. By applying the optimal conjunctive model during the simulation period, the groundwater level increased by about 0.4 and 0.55 m using the WOA and FA, respectively. The results of Taylor’s diagram, box plot diagram, and rock diagram with error evaluation criteria, i.e., root mean square error (RMSE), mean absolute error (MAE), and Nash–Sutcliffe efficiency (NSE), showed that the GMDH (RMSE = 6.04 MCM, MAE = 3.89 MCM, and NSE = 0.99) was slightly better than LS-SVM (RMSE = 6.36 MCM, MAE = 4.50 MCM, and NSE = 0.98) to estimate optimal groundwater use. The results show that machine learning models are cost- and time-effective solutions to estimate optimal exploitation of groundwater resources in complex combined surface and groundwater supply problems. The methodology can be used to better estimate sustainable exploitation of groundwater resources by water resources managers.</p>}},
  author       = {{Arya Azar, Naser and Kayhomayoon, Zahra and Ghordoyee Milan, Sami and Zarif Sanayei, Hamed Reza and Berndtsson, Ronny and Nematollahi, Zahra}},
  issn         = {{0944-1344}},
  keywords     = {{Conjunctive surface and groundwater use; Firefly algorithm; Machine learning; Water management; Whale optimization algorithm}},
  language     = {{eng}},
  number       = {{37}},
  pages        = {{56828--56844}},
  publisher    = {{Springer}},
  series       = {{Environmental Science and Pollution Research}},
  title        = {{A hybrid approach based on simulation, optimization, and estimation of conjunctive use of surface water and groundwater resources}},
  url          = {{http://dx.doi.org/10.1007/s11356-022-19762-2}},
  doi          = {{10.1007/s11356-022-19762-2}},
  volume       = {{29}},
  year         = {{2022}},
}