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Impact of Climate Change on Watershed Hydrology: Latest Advances and Prospects

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Water Management".

Deadline for manuscript submissions: closed (31 July 2023) | Viewed by 2954

Special Issue Editors


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Guest Editor
Texas A&M AgriLife Research, Temple, TX 76502, USA
Interests: assessing spatial-temporal patterns of water resources and fluxes; watershed management; integrated model development/optimization/application

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Guest Editor
Texas A&M AgriLife Research, Temple, TX 76502, USA
Interests: data-driven model; remote sensing; big data application; hydrological modeling

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Guest Editor
Texas A&M AgriLife Research, Temple, TX 76502, USA
Interests: extreme events; machine learning; drought, hydrologic modeling; water quality

Special Issue Information

Dear Colleagues,

A watershed is an area of land that stores water from snowmelt, rainfall, and aquifer, and delivers water to streams, rivers, lakes, or the ocean. Each watershed is complicated and unique due to its different size, topography, soil, vegetation, land use, water body connection, weather conditions, and management practices. Despite the emergence of scientific progress and novel technologies in watershed hydrology, water resource assessment, hydrologic modeling development, and data-driven analysis, the current knowledge pertaining to the assessment of the vulnerability, resilience, and sustainability of watersheds under climate change is still limited. Climate change and extreme weather events introduce significant uncertainties to watershed management, altering the quantity, quality, timing, and distribution of water, sediment, and nutrients. Two principal meteorological drivers, i.e., precipitation and temperature, can have immediate and long-term effects on the surface, subsurface, and their interactions, and will not affect all parts of a watershed in the same way.

This Special Issue aims to provide an overview of the latest advances and prospects in assessing the impacts of climate change on watershed hydrology. In this Special Issue, original research articles and reviews are both welcome. Example topics of interest include, but are not limited to, the following:

  • New findings and developments in hydrologic modeling, data-driven analysis, field measurement, and management practice;
  • Uncertainty quantification of climate change on hydrological responses (water quantity and quality, sediment, and nutrients);
  • Climate-induced water resource vulnerabilities (flood, drought, and groundwater/surface water depletion);
  • Climate change risk and adaptation.

The new methods and findings presented here will aid in enhancing the resilience of the watershed system to current and future climate change.

Dr. Seonggyu Park
Dr. Heechan Han
Dr. Mohammad Hadi Bazrkar
Guest Editors

Manuscript Submission Information

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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. Sustainability 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 2400 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

  • watershed management
  • hydrologic modeling
  • data-driven analysis
  • climate change

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Published Papers (1 paper)

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Research

23 pages, 5860 KiB  
Article
Combined Impacts of Climate Change and Water Withdrawals on the Water Balance at the Watershed Scale—The Case of the Allier Alluvial Hydrosystem (France)
by Jordan Labbe, Hélène Celle, Jean-Luc Devidal, Julie Albaric and Gilles Mailhot
Sustainability 2023, 15(4), 3275; https://doi.org/10.3390/su15043275 - 10 Feb 2023
Cited by 6 | Viewed by 2361
Abstract
The Allier River and its alluvial aquifer constitute a shallow but highly productive water resource due to their hydrodynamic properties. This hydrosystem provides almost all of the water requirements for domestic supply and irrigation. Recent dry summers (such as those in 2015, 2019, [...] Read more.
The Allier River and its alluvial aquifer constitute a shallow but highly productive water resource due to their hydrodynamic properties. This hydrosystem provides almost all of the water requirements for domestic supply and irrigation. Recent dry summers (such as those in 2015, 2019, and 2022) and the lack of winter recharge have led managers to question the sustainability of this resource. We proposed the use of hydrological modelling with Gardenia with which the water balance can be determined at the watershed scale (7020 km2) and with which forecasting simulations can be performed for 2030–2070. Thus, this work was divided into (1) model calibration (2000–2020), (2) the determination of the main drivers of the water balance (2000–2020), (3) and river flow and groundwater level simulation (2030–2070). For the latter, Gardenia was used considering a “better case”, using the RCM Aladin63 in RCP2.6, and considering a “worst case”, using the RCM RegCM4-6 in RCP8.5. The calibration for 2000–2014 showed good reproducibility of river flows (NSE = 0.91) and groundwater levels (NSE = 0.85). The model showed that the major drivers in 2000–2020 were actual evapotranspiration and effective precipitation, which, respectively, represented 68% and 32% of mean annual precipitation. Water withdrawals did not significantly contribute to the water balance with the exception of those in very dry summers, such as those in 2003, 2005, 2015, and 2019. Climate appeared, therefore, as a prevalent factor of the Allier hydrosystem functioning compared to global withdrawals except for that during these dry years. Prospective simulations showed a decline in annual river flows and groundwater levels by a maximum of −15% and −0.08 m asl (“worst case”), respectively. These simulations showed that the Allier hydrosystem will be able to meet the water needs for various uses until 2070. In detail, it is likely that summer shortages will no longer be compensated by the Naussac Dam if the hydrosystem faces more than two years of drought. In this case, water-saving solutions will have to be found. This study is, thus, a good example of the application of hydrological modelling to address management issues in such a hydrosystem. Full article
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