Visualizing water infrastructure with Sankey maps: a case study of mapping the Los Angeles Aqueduct, California

Lehrman, Barry

doi:10.1080/17445647.2018.1473815

Cited by 14 publications

(7 citation statements)

References 42 publications

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“…Direct examples of human-induced impact to the hydrological environment include the dewatering of earth materials for the construction of deep building foundations or below ground transportation systems as seen in major urban centers like San Francisco and New York City (McGrane, 2016) and the efforts to protect coastal resources from seawater incursion in areas of dense population and/or heavy agriculture (Jasechko et al, 2020) common from California to Israel (Luyun et al, 2011) to the Nile Delta of Egypt (Sherif & Singh, 2002). Other examples of projects that involve large-scale human-induced influences on the hydrologic environment, including resultant stress on biological and geochemical systems, include the complex and extensive interbasin water redistribution systems that supply large areas of the western United States including the Los Angeles megalopolis (Lehrman, 2018), the South-North Water Transfer Project in China (Ma et al, 2016), and the Tagus-Segura interbasin transfer in Spain (Rey et al, 2016). Although our research described herein does not directly assess the hydrologic (and associated biological, ecological, and geochemical) impacts of these anthrohydrology projects, we acknowledge that the human-hydrological nexus should be considered as one of the important puzzle pieces for designing effective water quality protection and restoration approaches in part to reconnect the broken bond between human and ecological receptors and the source of the water resources that these populations and communities rely on (D'Odorico et al, 2019).…”

Section: Anthrohydrologymentioning

confidence: 99%

Climate‐influenced hydrobiogeochemistry and groundwater remedy design: A review

Warner

Bekele

Nathanail

et al. 2023

Remediation Journal

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The process of designing a remedy for contaminated groundwater historically has not commonly included climate‐future, hydrologic, and biogeochemical aquifer characteristics. From experience, the remedy design process also has not consistently nor directly integrated or projected future hydrologic and biogeochemical effects of the human‐induced or developed environment—aka the anthropogenic influence—on potential remedy performance. The apparent practice of (1) not regularly assessing anthro‐influenced hydrological (termed here as anthrohydrology) or biogeochemical characteristics (collectively hydrobiogeochemistry) of a site and (2) rarely accounting for future climatic shifts as design factors in remedy design may be due, in part, to the general practice‐level view that groundwater remediation systems (whether in situ or ex situ) have seldom been anticipated to last more than a few years (or one or two decades at the most). Second, methods to reliably and quantitatively estimate site‐specific, climate‐future shifts in groundwater conditions using global and/or regional climate models and the resultant impacts on contaminant plume characteristics have not been readily available. The authors here suggest that while the concept of remedy design resilience and durability, within an envelope of climate change and anthropogenic influence, has been discussed in some technical circles as a component of “sustainable remediation,” we have found that direct application of these technical concepts in quantifiable terms remains rare. By incorporating the potential influence of future hydrobiogeochemical scenarios into remedy design, however, the design process could account for reasonable climate‐induced influence on the groundwater system for a given site. These scenarios could then be applied within the remedy selection process to assess performance durability under potentially changing hydrologic, biological, and chemical conditions.

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Section: Anthrohydrologymentioning

confidence: 99%

Climate‐influenced hydrobiogeochemistry and groundwater remedy design: A review

Warner

Bekele

Nathanail

et al. 2023

Remediation Journal

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“…One way to navigate this problem is to visualize water supply systems graphically so that different views are illustrated. Using this scheme, Lehrman (2018) used so-called Sankey diagrams for engaging water policy makers on issues of social and environmental justice, ecological water use, sustainability, recreational access and urban/rural issues [26].…”

Section: Resilience In Urban Water Services-literature Surveymentioning

confidence: 99%

Resilient Urban Water Services for the 21th Century Society—Stakeholder Survey in Finland

Laitinen

Kallio

Katko

et al. 2020

Water

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Resilience has become a vital theme in the discussion concerning urban water services. Resilience in this context can be defined as both keeping up a good level of services, as well as rapid and fluent recovery from failures caused by natural disasters, unsound infrastructure or incorrect management. Although adequate water services resilience can be considered as sustainable, resilience is a wider concept than sustainability. In order to call water services resilient, all sections from policy and management to technical operation should be clear and coherent, and their operation in challenging situations also must be guaranteed. This study seeks a resilient approach to water services through a literature review, and a questionnaire to stakeholders; mainly water supply and sanitation experts. The results show that sufficient technology and good water quality are not sufficient for achieving resilient water services, but also education and institutional management are essential issues. These are accomplished by a methodical education system, capacity building, and good governance.

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“…Against this contextual backdrop, we develop a near-miss classifier based on a CNN, associate the classified results, and visualize them with a network diagram [ 12 ] and a Sankey diagram so that safety managers can easily find the key points of massive near misses [ 13 ]. First, to structure text data, a CNN-based classifier that incorporates a deep learning method is developed to generate structured classification results of near-miss information within safety records.…”

Section: Introductionmentioning

confidence: 99%

Association Mining of Near Misses in Hydropower Engineering Construction Based on Convolutional Neural Network Text Classification

Chen

et al. 2022

Computational Intelligence and Neuroscience

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Accidents of various types in the construction of hydropower engineering projects occur frequently, which leads to significant numbers of casualties and economic losses. Identifying and eliminating near misses are a significant means of preventing accidents. Mining near-miss data can provide valuable information on how to mitigate and control hazards. However, most of the data generated in the construction of hydropower engineering projects are semi-structured text data without unified standard expression, so data association analysis is time-consuming and labor-intensive. Thus, an artificial intelligence (AI) automatic classification method based on a convolutional neural network (CNN) is adopted to obtain structured data on near-miss locations and near-miss types from safety records. The apriori algorithm is used to further mine the associations between “locations” and “types” by scanning structured data. The association results are visualized using a network diagram. A Sankey diagram is used to reveal the information flow of near-miss specific objects using the “location ⟶ type” strong association rule. The proposed method combines text classification, association rules, and the Sankey diagrams and provides a novel approach for mining semi-structured text. Moreover, the method is proven to be useful and efficient for exploring near-miss distribution laws in hydropower engineering construction to reduce the possibility of accidents and efficiently improve the safety level of hydropower engineering construction sites.

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Visualizing water infrastructure with Sankey maps: a case study of mapping the Los Angeles Aqueduct, California

Cited by 14 publications

References 42 publications

Climate‐influenced hydrobiogeochemistry and groundwater remedy design: A review

Climate‐influenced hydrobiogeochemistry and groundwater remedy design: A review

Resilient Urban Water Services for the 21th Century Society—Stakeholder Survey in Finland

Association Mining of Near Misses in Hydropower Engineering Construction Based on Convolutional Neural Network Text Classification

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