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Hydrology
Special Issues
Green Infrastructure and Advances in Urban Hydrology
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Green Infrastructure and Advances in Urban Hydrology

A special issue of Hydrology (ISSN 2306-5338). This special issue belongs to the section "Surface Waters and Groundwaters".

Deadline for manuscript submissions: closed (29 December 2023) | Viewed by 2714

Special Issue Editors

Dr. Kushal Adhikari

E-Mail Website
Guest Editor
Assistant Professor, Environmental Engineering, Department of Environmental Science and Studies, Juniata College, Huntingdon, PA 16652, USA
Interests: water resources management; hydrological modeling; wastewater reclamation and reuse; stormwater management and GIs
Dr. Rocky Talchabhadel

E-Mail Website
Guest Editor
Research Scientist, Texas A&M AgriLife Research, Texas A&M University, El Paso, TX, USA
Interests: hydrology; water resources engineering; modeling
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Currently, urban areas account for more than half of the world’s population and are expected to continually increase. This rapid growth and development have altered the hydrological balance in urban areas, resulting in increased runoff rates and volumes, losses of infiltration and baseflow, and impaired water quality. Urban hydrology has evolved to improve the way urban runoff is managed for flood protection, public health, and environmental protection, and, thus, new developments and applications in urban water management are constantly needed.

This Special Issue aims to capture state-of-the-art contributions in hydrological modeling for urban water management. Due to the increasing popularity of Green Infrastructures (GIs) as an integrated urban water management strategy, we also strongly welcome contributions that pertain to developments, adoption and improvements in GIs and Low-Impact Development (LID) practices.

We seek contributions from all around the world and welcome studies at all levels of territorial coverage and analysis (global, national, subnational, local). We invite scientists, professionals, and policymakers to contribute to the topics of relevance, as listed below.

  • Improved monitoring and assessment of urban water;
  • Advances in hydrological models and their applications;
  • Sustainable approach in urban water management;
  • Application and case studies on GIs and LIDs for stormwater management;
  • Best-Management Practices (BMPs) for urban water management;
  • Urban water and decision making in urban planning and management;
  • Climate change impacts over urban water management and mitigation strategies;
  • 3Ps (People, Policies, and Places) framework in urban water management.

Dr. Kushal Adhikari
Dr. Rocky Talchabhadel
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. Hydrology is an international peer-reviewed open access monthly 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 1800 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

  • climate change and urban hydrology
  • hydrological modeling
  • urban flooding
  • urban stormwater and drainage management
  • green stormwater infrastructure
  • low-impact development
  • case studies on GIs and LID practices

Published Papers (1 paper)

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Research

25 pages, 5667 KiB  
Article
Examination of Measured to Predicted Hydraulic Properties for Low Impact Development Substrates
by Satbir Guram and Rashid Bashir
Hydrology 2023, 10(5), 105; https://doi.org/10.3390/hydrology10050105 - 08 May 2023
Viewed by 1965
Abstract
To counter the impacts of climate change and urbanization, engineers have developed ingenious solutions to reduce flooding and capture stormwater contaminants through the use of Low Impact Developments (LIDs). The soil is generally considered to be completely saturated when designing for the LIDs. [...] Read more.
To counter the impacts of climate change and urbanization, engineers have developed ingenious solutions to reduce flooding and capture stormwater contaminants through the use of Low Impact Developments (LIDs). The soil is generally considered to be completely saturated when designing for the LIDs. However, this may not always be an accurate or realistic approach, as the soil could be variably unsaturated leading to inaccurate designs. To analyse the flow under variably unsaturated conditions, Richards’ equation can be used. To solve the Richards’ equation, two nonlinear hydraulic properties, namely soil water characteristic curve (SWCC) and the unsaturated hydraulic conductivity function are required. Laboratory and field measurements of unsaturated hydraulic properties are cumbersome, expensive and time- consuming. Pedotransfer functions (PTFs) estimate soil hydraulic properties using routinely measured soil properties. This paper presents a comparison between the direct measurement obtained through experimental procedures and the use of PTFs to estimate soil hydraulic properties for two green roof and three bioretention soil medias. Comparison between the measured and estimated soil hydraulic properties was accomplished using two different approaches. Statistical analyses and visual comparisons were used to compare the measured and estimated soil hydraulic properties. Additionally, numerical modelling to predict the water balance at the ground surface was conducted using the measured and estimated soil hydraulic properties. In some instances, the use of predicted hydraulic properties resulted in overestimation of the cumulative net infiltration of as much as 60 % for the green roof substrate, but was considered negligible for the bioretention substrate. Design performance criteria for green roof and bioretention facilities were examined using the measured and estimated soil hydraulic properties under extreme precipitation analysis. Results indicate that there is a high level of uncertainty when using PTFs for LID materials. A percent difference between the measured and predicted properties for the green roof peak time delay under a 2-year storm can be as much as 300%. For the bioretention design criteria of a 25-year storm, the surface runoff was overestimated by 14.7 cm and by 100% for the ponding time percent difference. Full article
(This article belongs to the Special Issue Green Infrastructure and Advances in Urban Hydrology)
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