scholarly journals Multiconfiguration electromagnetic induction survey for paleochannel internal structure imaging: a case study in the alluvial plain of the river Seine, France

2017 ◽  
Author(s):  
Fayçal Rejiba ◽  
Cyril Schamper ◽  
Antoine Chevalier ◽  
Benoit Deleplancque ◽  
Gaghik Hovhannissian ◽  
...  
Keyword(s):  
Electromagnetic Induction ◽  
Internal Variability ◽  
Detailed Knowledge ◽  
Seine River ◽  
River Seine ◽  
Seine River Basin ◽  
Preferential Flows ◽  
The City

Abstract. The La Bassée floodplain area is a large groundwater reservoir controlling most of the water exchanged between local aquifers and hydrographic networks within the Seine River Basin (France). Preferential flows depend essentially on sediment fills, whose characteristics are strongly influenced by paleomeander heterogeneities. A detailed knowledge of the internal heterogeneities of such paleomeanders can thus lead to a comprehensive understanding of its long-term hydrogeological processes. A geophysical survey based on the use of electromagnetic induction was performed on a representative paleomeander, situated close to the city of Nogent-sur-Seine in France. In the present study we assess the advantages of combining several spatial offsets, together with both vertical and horizontal dipole orientations (6 apparent conductivities), thereby mapping not only the spatial distribution of the paleomeander derived from LIDAR data, but also its vertical extent and internal variability.

scholarly journals Multiconfiguration electromagnetic induction survey for paleochannel internal structure imaging: a case study in the alluvial plain of the River Seine, France

2018 ◽  
Vol 22 (1) ◽  
pp. 159-170 ◽  
Author(s):  
Fayçal Rejiba ◽  
Cyril Schamper ◽  
Antoine Chevalier ◽  
Benoit Deleplancque ◽  
Gaghik Hovhannissian ◽  
...  
Keyword(s):  
Electromagnetic Induction ◽  
Internal Variability ◽  
Coarse Sand ◽  
Alluvial Plain ◽  
Detailed Knowledge ◽  
Seine River ◽  
River Seine ◽  
Seine River Basin ◽  
Preferential Flows

Abstract. The La Bassée floodplain area is a large groundwater reservoir controlling most of the water exchanged between local aquifers and hydrographic networks within the Seine River basin (France). Preferential flows depend essentially on the heterogeneity of alluvial plain infilling, whose characteristics are strongly influenced by the presence of mud plugs (paleomeander clayey infilling). These mud plugs strongly contrast with the coarse sand material that composes most of the alluvial plain, and can create permeability barriers to groundwater flows. A detailed knowledge of the global and internal geometry of such paleomeanders can thus lead to a comprehensive understanding of the long-term hydrogeological processes of the alluvial plain. A geophysical survey based on the use of electromagnetic induction was performed on a wide paleomeander, situated close to the city of Nogent-sur-Seine in France. In the present study we assess the advantages of combining several spatial offsets, together with both vertical and horizontal dipole orientations (six apparent conductivities), thereby mapping not only the spatial distribution of the paleomeander derived from lidar data but also its vertical extent and internal variability.

scholarly journals A New Integrated Approach for Municipal Landfill Siting Based on Urban Physical Growth Prediction: A Case Study Mashhad Metropolis in Iran

2021 ◽  
Vol 13 (5) ◽  
pp. 949
Author(s):  
Salman Qureshi ◽  
Saman Nadizadeh Shorabeh ◽  
Najmeh Neysani Samany ◽  
Foad Minaei ◽  
Mehdi Homaee ◽  
...  
Keyword(s):  
Urban Growth ◽  
Integrated Approach ◽  
Physical Growth ◽  
Support Vector ◽  
Markov Chain Method ◽  
Physical Expansion ◽  
Hierarchy Process ◽  
The City

Due to irregular and uncontrolled expansion of cities in developing countries, currently operational landfill sites cannot be used in the long-term, as people will be living in proximity to these sites and be exposed to unhygienic circumstances. Hence, this study aims at proposing an integrated approach for determining suitable locations for landfills while considering their physical expansion. The proposed approach utilizes the fuzzy analytical hierarchy process (FAHP) to weigh the sets of identified landfill location criteria. Furthermore, the weighted linear combination (WLC) approach was applied for the elicitation of the proper primary locations. Finally, the support vector machine (SVM) and cellular automation-based Markov chain method were used to predict urban growth. To demonstrate the applicability of the developed approach, it was applied to a case study, namely the city of Mashhad in Iran, where suitable sites for landfills were identified considering the urban growth in different geographical directions for this city by 2048. The proposed approach could be of use for policymakers, urban planners, and other decision-makers to minimize uncertainty arising from long-term resource allocation.

A case study of noise pollution levels during the restrictions period due to COVID-19.

2021 ◽  
Vol 263 (6) ◽  
pp. 206-214
Author(s):  
David Montes-González ◽  
Juan Miguel Barrigón-Morillas ◽  
Ana Cristina Bejarano-Quintas ◽  
Manuel Parejo-Pizarro ◽  
Guillermo Rey-Gozalo ◽  
...  
Keyword(s):  
Noise Pollution ◽  
Urban Environments ◽  
Control Measures ◽  
Acoustic Measurements ◽  
Pollution Levels ◽  
The World ◽  
The Impact ◽  
The City

The pandemic of coronavirus disease (COVID-19) led to the need for drastic control measures around the world to reduce the impact on the health of the population. The confinement of people in their homes resulted in a significant reduction in human activity at every level (economic, social, industrial, etc.), which was reflected in a decrease in environmental pollution levels. Studying the evolution of parameters, such as the level of environmental noise caused by vehicle traffic in urban environments, makes it possible to assess the impact of this type of measure. This paper presents a case study of the acoustic situation in Cáceres (Spain) during the restriction period by means of long-term acoustic measurements at various points of the city.

scholarly journals Colonial Values and Asylum Care in Brazil: Reclaiming the Streets Through Carnival in Rio de Janeiro

2020 ◽  
pp. 155-161
Author(s):  
Julia Evangelista ◽  
William A. Fulford
Keyword(s):  
Local Community ◽  
Well Being ◽  
Colonial History ◽  
Self Confidence ◽  
History Of ◽  
The Impact ◽  
Mental Well Being ◽  
The City

AbstractThis chapter shows how carnival has been used to counter the impact of Brazil’s colonial history on its asylums and perceptions of madness. Colonisation of Brazil by Portugal in the nineteenth century led to a process of Europeanisation that was associated with dismissal of non-European customs and values as “mad” and sequestration of the poor from the streets into asylums. Bringing together the work of the two authors, the chapter describes through a case study how a carnival project, Loucura Suburbana (Suburban Madness), in which patients in both long- and short-term asylum care play leading roles, has enabled them to “reclaim the streets,” and re-establish their right to the city as valid producers of culture on their own terms. In the process, entrenched stigmas associated with having a history of mental illness in a local community are challenged, and sense of identity and self-confidence can be rebuilt, thus contributing to long-term improvements in mental well-being. Further illustrative materials are available including photographs and video clips.

scholarly journals Perceptions of Final Beneficiaries about the Performance of Cross-sector Partnerships: A Case Study Applied to the 2008 Zaragoza International Exhibition on Water and Sustainable Development

2019 ◽  
Vol 11 (14) ◽  
pp. 3860
Author(s):  
José María Agudo-Valiente ◽  
Pilar Gargallo-Valero ◽  
Manuel Salvador-Figueras
Keyword(s):  
Sustainable Development ◽  
Public Awareness ◽  
International Exhibition ◽  
Long Term Effects ◽  
Governmental Organizations ◽  
Non Governmental Organizations ◽  
Increasing Demand ◽  
The City

Using the 2008 Zaragoza International Exhibition “Water and sustainable development” as a case study, this paper aims to respond to the increasing demand for measurements of the effects and the implications of the performance of cross-sector partnerships from the perspective of their intended final beneficiaries. A contingency framework for measuring the short-, medium- and long-term effects of the 2008 Zaragoza International Exhibition is developed based on a “results chain” or “logic model”. Our results highlight that there are positive long-term synergies between the two main purposes of the 2008 Zaragoza International Exhibition; first, to increase public awareness of and commitment to the problems of water and sustainable development and, second, to make the city of Zaragoza better known internationally and to modernize its infrastructures. Although respondents to our survey consider that the long-term effects on the city are greater, the main short- and medium-term effects are related to awareness of water problems, sustainable development and non-governmental organizations. These results are in tune with what has happened around the city in the last 10 years providing indirect validity both to our study and to the proposed methodology.

scholarly journals The "Sting" of Vancouver's Better Housing "Spree", 1919–1949

2013 ◽  
Vol 21 (2) ◽  
pp. 92-103
Author(s):  
Jill Wade
Keyword(s):  
Social Housing ◽  
Financial Hardship ◽  
Housing Program ◽  
Housing Scheme ◽  
The City ◽  
National Housing

Contrary to other accounts of the 1919 national housing program, this article examines the plan's long-term history using Vancouver as a case study. It argues that a basic structural flaw in the local Better Housing Scheme created financial hardship for the City of Vancouver as well as for mortgagors during the depression. The burden of mortgage repayment that fell to the city discouraged it from participating in other housing initiatives in the 1930s and 1940s. Still, the labour, women's, and veterans' organizations that supported the scheme represented the beginnings of Vancouver's social housing movement that matured in the late 1930s and achieved significant improvements in residential conditions in the 1940s.

The Port of Hamburg in the 1940s and 1950s: Physical Reconstruction and Political Restructuring in the Aftermath of World War II

2019 ◽  
pp. 009614421987785
Author(s):  
Christoph Strupp
Keyword(s):  
World War Ii ◽  
The Political ◽  
Economic Decline ◽  
World War ◽  
Ruhr Area ◽  
Air War ◽  
Economic Elite ◽  
The City

The resilience of cities is usually tested by acute catastrophes such as physical destruction by natural disasters or wars or long-term processes of economic decline. This article discusses another type of catastrophe and the response of the political and economic elite of the city to it in the form of a case study on Germany’s biggest seaport city Hamburg in the aftermath of World War II. Although the air war of 1943-1945 had seriously damaged large parts of the port of Hamburg, the physical reconstruction began soon after the end of the war and made steady progress. This aspect of the disaster of war was to be overcome within a few years. But the war and its aftermath of political confrontation between East and West had changed the geopolitical position of Hamburg and moved it from the center of Europe to the periphery of the West. The hinterland of the port in Eastern Europe was cut off. The founding of the European Economic Community (EEC) in 1957 with its focus on the Rhine-Ruhr area further seemed to marginalize Hamburg. These developments were quickly perceived as a greater disaster than the physical destruction. This article examines the strategies developed by the political and economic leaders in Hamburg in the late 1940s and 1950s for dealing with processes they had no control over and could not directly influence.

scholarly journals RECONSTRUCTING THE LANDSCAPE OF THE PAST IN THE AGRICULTURAL TERRACES OF THE CITY OF AVDAT

2019 ◽  
Vol XLII-2/W15 ◽  
pp. 117-124
Author(s):  
R. Arav ◽  
S. Filin ◽  
Y. Avni
Keyword(s):  
Soil Erosion ◽  
World Heritage ◽  
Arid Environments ◽  
Agricultural Terraces ◽  
Change Mechanism ◽  
Erosion Processes ◽  
Anthropogenic Intervention ◽  
The City

<p><strong>Abstract.</strong> Large areas in the arid Southern Levant are dotted with ancient agricultural terraces and runoff harvesting installations. In the Negev Highlands, Israel, they were constructed in the 3rd&amp;ndash;4th centuries CE, maintained for 6&amp;ndash;7 centuries, and then abandoned after the 10th century. Their design pattern and foundations provide a rare insight to the prevailing environmental conditions during the middle Holocene, while their 600&amp;ndash;700 years cultivation tells the story of their maitainance and desert agriculture in these regions. From their abandonment onwards, they documented more than 1000 years of land degradation and soil erosion till present time. In this paper, we follow a complete cycle of desert agriculture of two sites near the UNESCO world-heritage town of Avdat. We reconstruct the landscape at the period pre-dating the first anthropogenic intervention, through the centuries of cultivation, and into a millennium of abandonment until the present erosion phase. We use high-resolution 3-D data to document the erosion and environmental dynamics during these two millennia, and to compute rates of siltation and erosion. Long-term measures of such kind are unique, as it is rare to find a millennium-scale documentation of soil erosion processes. Their study improves our understanding of the long-term environmental change mechanism acting in arid environments. The detailed analysis of these installations also offers insights into methods for soil conservation, for sustainable desert inhabitation, and for strategies to protect world-heritage installations. As the globe-wide struggle to combat soil erosion becomes urgent, this case study becomes even more relevant.</p>

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