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Novel Applications of Surface Water–Groundwater Modeling—2nd Edition
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Novel Applications of Surface Water–Groundwater Modeling—2nd Edition

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Hydrology".

Deadline for manuscript submissions: 28 February 2025 | Viewed by 2813

Special Issue Editors

Dr. Il-Moon Chung

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Guest Editor
Department of Land, Water and Environment Research, Korea Institute of Civil Engineering and Building Technology, Goyang-si 10223, Gyeonggi-do, Republic of Korea
Interests: integrated surface water–groundwater modeling; hydrologic modeling; SWAT-MODFLOW
Special Issues, Collections and Topics in MDPI journals
Dr. Sun Woo Chang

E-Mail Website
Guest Editor
Department of Land, Water and Environment Research, Korea Institute of Civil Engineering and Building Technology, Goyang-si 10223, Gyeonggi-do, Republic of Korea
Interests: coupled flow and transport modeling; seawater intrusion; nonlinear groundwater problems; MODFLOW; MT3D; SEAWAT; GALDIT
Special Issues, Collections and Topics in MDPI journals
Dr. Ryan Bailey

E-Mail Website
Guest Editor
Department of Civil & Environmental Engineering, Colorado State University, Fort Collins, CO, USA
Interests: groundwater hydrology; coupled surface/subsurface hydrologic modeling; contaminant transport in watershed systems; SWAT; SWAT+; SWAT-MODFLOW
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Recently, a surface water–groundwater combination model was developed and applied in various ways. However, each model has different characteristics and different purposes of interpretation. The purpose of this Special Issue is to seek deeper insights by collecting new applications of integrated models that are developed for various purposes. These can include river–groundwater interactions, the reduction in river water due to groundwater withdrawal, the reduction in groundwater level due to a decrease in river water volume, and evaluation of the water balance of the watershed. In addition, it is expected that the connection modeling between the flow of groundwater–surface water and solute transport will be important. The groundwater-dependent ecosystem and hyporheic flow modeling are two of the main topics.

Dr. Il-Moon Chung
Dr. Sun Woo Chang
Dr. Ryan Bailey
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • surface water
  • groundwater
  • interactions
  • coupled model
  • hyporheic zone

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Published Papers (2 papers)

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Research

15 pages, 5672 KiB  
Article
Sustainability of Groundwater Exploitation Under Climate Change Scenarios in a Mountainous Area of South Korea
by Soyoung Woo, Wonjin Kim, Sun Woo Chang, Min-Gyu Kim and Il-Moon Chung
Water 2024, 16(21), 3065; https://doi.org/10.3390/w16213065 - 25 Oct 2024
Viewed by 448
Abstract
The excessive extraction of groundwater is a globally significant issue, as it can lead to the permanent loss of groundwater system sustainability. Sustainable groundwater requires development that appropriately balances the needs of both humans and the environment. In this study, the exploitable groundwater [...] Read more.
The excessive extraction of groundwater is a globally significant issue, as it can lead to the permanent loss of groundwater system sustainability. Sustainable groundwater requires development that appropriately balances the needs of both humans and the environment. In this study, the exploitable groundwater (EGW) of the So-Yang-gang Dam (SYD) Basin was estimated based on simulated groundwater recharge rates using SWAT, and the sustainability of future groundwater development was evaluated under different climate change scenarios. The EGW in each sub-watershed of the SYD was estimated to range from 60 to 240 mm/year, with higher values in the upstream watersheds. A sustainability index (SI) was evaluated, ranging from 0.56 to 1.0 across various GCMs. The analysis revealed that uniform EGW across a watershed is overestimated value in sub-watersheds with low recharge rates, potentially accelerating groundwater depletion in those areas. Thus, a flexible EGW estimation approach is essential to balance groundwater conservation with human water demands. Full article
(This article belongs to the Special Issue Novel Applications of Surface Water–Groundwater Modeling—2nd Edition)
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17 pages, 53660 KiB  
Article
Assessment of Hydrological Responses to Land Use and Land Cover Changes in Forest-Dominated Watershed Using SWAT Model
by Hiyaw Hatiya Ware, Sun Woo Chang, Jeong Eun Lee and Il-Moon Chung
Water 2024, 16(4), 528; https://doi.org/10.3390/w16040528 - 7 Feb 2024
Cited by 3 | Viewed by 2213
Abstract
Recognizing how human activities affect hydrological systems is vital for the sustainable preservation and effective management of water resources in the watershed. Hence, this paper focuses on the hydrological response to land use and land cover (LULC) change scenarios in the Anyang watershed, [...] Read more.
Recognizing how human activities affect hydrological systems is vital for the sustainable preservation and effective management of water resources in the watershed. Hence, this paper focuses on the hydrological response to land use and land cover (LULC) change scenarios in the Anyang watershed, South Korea. We obtained LULC data maps for the years 2000, 2013, and 2022 from the local government, revealing significant changes over the years. Agricultural lands experienced a 6.2% increase from 2000 to 2022, and pastureland expanded by 8.67% over two decades. The SWAT model was utilized to assess the impact of LULC on the hydrological components of the study watershed. Model calibration and validation for each LULC change were carried out using the SWAT-CUP program, considering the recorded streamflow information of the region. An excellent agreement was reached between the simulated and measured streamflow in both the calibration and validation stages under various LULC conditions. The Nash–Sutcliffe model efficiency (NSE), the objective function, demonstrated values of 0.9, 0.89, and 0.89 during the calibration for 2000, 2013, and 2022, respectively, in the LULC scenario, while for the validation, we obtained values of 0.82, 0.78, and 0.80 for 2000, 2013, and 2022, respectively. Our findings indicate that the surface runoff rise contributed much to the water yield increase over the two decades compared to the other components in terms of the water yield, while the contribution of evapotranspiration (ET) to the watershed hydrological cycle declined by 1.66% from 2000 to 2022. The southeastern sub-basin part showed a high groundwater recharge distribution due to agricultural land, rice area, and forest area changes. Full article
(This article belongs to the Special Issue Novel Applications of Surface Water–Groundwater Modeling—2nd Edition)
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