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Advances in Urban Stream Restoration Practices

A special issue of International Journal of Environmental Research and Public Health (ISSN 1660-4601). This special issue belongs to the section "Environmental Science and Engineering".

Deadline for manuscript submissions: closed (28 February 2019) | Viewed by 6008

Special Issue Editor


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Guest Editor
Department of Civil and Environmental Engineering, University of Tennessee, Knoxville, TN 37996, USA
Interests: degradation of rivers and streams; hydraulic, hydrological and pollutant transport models; field-based monitoring and assessment applications; degraded watershed conditions from urban development and runoff hydromodification; poor agricultural and timber harvest practices; surface coal mining; atmospheric deposition of acid pollutants
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Special Issue Information

Dear Colleagues,

Globally as major urban centers expand land development into adjacent rural areas, rivers and streams can be severely impacted by hydromodification causing a loss of geomorphic stability, mesohabitat structure, riparian and stream biodiversity, water quality, and natural aesthetics and public health. Though stream restoration has been practiced for several decades now, specific techniques for the rehabilitation/revitalization of urban streams remain a challenge. Challenges include adequately addressing the spatially-varied and episodic land development within a watershed that create non-stationary in the geomorphic dominant discharge, civil infrastructure that constrain natural floodplain inundation and planform migration, fragmented drainage networks that reduce ecological connectivity and aquatic biota recolonization potential, and community differences in social views of natural resources that vary local objectives and priorities. Because of urban hydromodification, it is evident that stream rehabilitation projects need to be planned and prioritized within watersheds, and effectively integrated with stormwater management and flood control programs. Reasonable expectations for ecological functional lift and structural performance outcomes need to be objective-based and technically supported. This special issue of IJERPH aims to highlight advances in urban stream restoration practices, more appropriately termed rehabilitation, revitalization, or enhancement, that account for the unique challenges in urban riverine environments, including topics associated with pre- and post-project monitoring and assessment, planning, and project design and implementation/construction.

Prof. Dr. John S. Schwartz
Guest Editor

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Keywords

  • urban stream restoration
  • stream rehabilitation
  • pre- and post-project monitoring and assessment
  • stream restoration planning
  • stream restoration project design
  • stream restoration implementation
  • stream restoration construction

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Published Papers (1 paper)

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Research

15 pages, 13711 KiB  
Article
Priorization of River Restoration by Coupling Soil and Water Assessment Tool (SWAT) and Support Vector Machine (SVM) Models in the Taizi River Basin, Northern China
by Juntao Fan, Mengdi Li, Fen Guo, Zhenguang Yan, Xin Zheng, Yuan Zhang, Zongxue Xu and Fengchang Wu
Int. J. Environ. Res. Public Health 2018, 15(10), 2090; https://doi.org/10.3390/ijerph15102090 - 23 Sep 2018
Cited by 10 | Viewed by 5647
Abstract
Identifying priority zones for river restoration is important for biodiversity conservation and catchment management. However, limited data due to the difficulty of field collection has led to research to better understand the ecological status within a catchment and develop a targeted planning strategy [...] Read more.
Identifying priority zones for river restoration is important for biodiversity conservation and catchment management. However, limited data due to the difficulty of field collection has led to research to better understand the ecological status within a catchment and develop a targeted planning strategy for river restoration. To address this need, coupling hydrological and machine learning models were constructed to identify priority zones for river restoration based on a dataset of aquatic organisms (i.e., algae, macroinvertebrates, and fish) and physicochemical indicators that were collected from 130 sites in September 2014 in the Taizi River, northern China. A process-based model soil and water assessment tool (SWAT) was developed to model the temporal-spatial variations in environmental indicators. A support vector machine (SVM) model was applied to explore the relationships between aquatic organisms and environmental indicators. Biological indices among different hydrological periods were simulated by coupling SWAT and SVM models. Results indicated that aquatic biological indices and physicochemical indicators exhibited apparent temporal and spatial patterns, and those patterns were more evident in the upper reaches compared to the lower reaches. The ecological status of the Taizi River was better in the flood season than that in the dry season. Priority zones were identified for different hydrological seasons by setting the target values for ecological restoration based on biota organisms, and the results suggest that hydrological conditions significantly influenced restoration prioritization over other environmental parameters. Our approach could be applied in other seasonal river ecosystems to provide important preferences for river restoration. Full article
(This article belongs to the Special Issue Advances in Urban Stream Restoration Practices)
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