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91.
Fabio Boschetti Claire Gaffier Magnus Moglia Iain Walke Jennifer Price 《Sustainability Science》2017,12(3):345-364
How well does the general public understand the concept of urban resilience? We address this question via an online survey of 500+ citizens living in three large Australian cities (Sydney, Melbourne and Perth). The majority of respondents claim not to know what urban resilience means. Of the remaining respondents, understanding ranges from poor to sophisticated. To circumvent this stated lack of understanding, we cast the concept of urban resilience into a more familiar framework consisting of risk and ability to cope with threats. This allows us to assess perceptions about what may challenge the resilience of Australian cities. Two concerns clearly emerge: (1) violence and social unrest and (2) environmental threats. Analysing a number of constructs from the social psychology literature reveals that these two concerns hold different cognitive signatures, whose understanding may facilitate discussion and communication within a public engagement process. 相似文献
92.
Gonçalves Affonso Celso Nacke Herbert Schwantes Daniel Campagnolo Marcelo Angelo Miola Alisson Junior Tarley César Ricardo Teixeira Dragunski Douglas Cardoso Suquila Fabio Antônio Cajamarca 《Environmental science and pollution research international》2017,24(27):21778-21790
Environmental Science and Pollution Research - The removal of Cr3+ from water solutions by biosorbents from the rind, endosperm, and endosperm + episperm of the Jatropha curcas was evaluated.... 相似文献
93.
Kaczala Fabio Mehdinejad Mohammad Hadi Lääne Allar Orupõld Kaja Bhatnagar Amit Kriipsalu Mait Hogland William 《Journal of Material Cycles and Waste Management》2017,19(1):294-304
Journal of Material Cycles and Waste Management - Leaching of fine fraction (<10 mm) obtained from landfill mining activities in an Estonian landfill was done. On-site excavation... 相似文献
94.
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96.
Hector Hito Sepulveda 《Journal of Coastal Conservation》2012,16(1):63-64
In a paper published recently in the Journal of Coastal Conservation, Al-Ghamdi (J Coast Conserv 14:63–69, 2010) analyzes the wastewater multi-pot outfall of Jeddah using CORMIX2 for average ambient conditions. Both the near–field and
the far–field mixing are calculated with CORMIX2. It is found in Al-Ghamdi (J Coast Conserv 14:63–69, 2010) that the near-field extends 187.5 m downstream from the diffuser, where the dilution reaches 1,047.8. It is at this same
distance, 187.5 m, that the plume touches the water surface. The far-field dilution and plume width is calculated as the plume
finally fills the entire water depth at a distance of 18,927 m downstream. From these analyses, it is concluded that local
and international standards for treated wastewater are met and that the plume “will not pose any treats to the local venerable
environment”. These findings, if correct, will help to protect the surrounding marine environment. However, is argued here
that the use of CORMIX2, particularly for the far-field environment is not well justified and that the inherent simplifications
in the software and its use, mainly the characterization of the physical environment, undermine the main conclusions. 相似文献
97.
Zagonari F 《Environmental management》2011,47(5):937-959
In this paper, I develop an optimization model for integrated urban planning for land use at the municipality level, in which
decisions arise from an area-based weighted-GDP maximisation algorithm whose weights represent the sustainability and implementability
of the land uses. The model favours the involvement of stakeholders in urban governance, but does not use complicated assessment
procedures for non-economic indicators or relative weights to combine economic, social and environmental indicators; instead,
the integration between economic activities and environmental status is represented objectively and non-linearly by referring
to initial and sustainability conditions. The model accounts for both human and environmental dynamics by adopting a spatial
structure that permits compromises between economic information (available at a macro level) and ecological information (available
at a micro level). A single value is attached to each urban governance, with an elicitation of future decisions (including
acceptance of the status quo) and the ability to provide an evaluation of past decisions: some environmental policies are
considered. The model’s predictions are based on reasonably reliable knowledge that can be easily collected, with reliability
determined by calculating the confidence level. The resulting urban governance can then be presented and further analysed
within a geographical information system. A case study of the model’s application to Algeria’s Regha?a and Heraoua municipalities
provides insights into optimal urban governance, with and without water quantity or quality policies, in terms of resource
sustainability, sectoral development, and pollution sustainability. I also assess the previous master plan in terms of the
land uses suggested by the model. 相似文献
98.
Mauro Tretiach Fabio Candotto Carniel Stefano Loppi Alberto Carniel Adriano Bortolussi Denis Mazzilis Clorinda Del Bianco 《Environmental monitoring and assessment》2011,175(1-4):589-600
A lichen transplant study aimed at investigating a strong increase in mercury concentrations in lichens was run in a territory of NE Italy where background values were very low only 8 years before. Thalli of the lichen Pseudevernia furfuracea collected in a pristine area were exposed for 1.5, 3 and 6 months at 31 sites selected according to the observed pattern of Hg concentrations, location of the suspected source (a new waste incinerator) and prevailing wind direction. Hg strongly increased at eight sites after 1.5 months, at 12 after 3 months and at 20 after 6 months. The highest values were always located SW and S of the incinerator, in good agreement with the prevailing night wind direction. It was concluded that, although the immediate risk for the population living close to the incinerator is low, long-term hazard due to Hg accumulation in the surrounding environment should be seriously taken into account. 相似文献
99.
Vassilios A. Tsihrintzis Hector R. Fuentes Rao K Gadipudi 《Journal of the American Water Resources Association》1996,32(2):317-331
ABSTRACT: Agricultural and urban activities in the West Wellfield Interim Protection Area (WWIPA), located in West Dade County in South Florida, have the potential to impact both the environmentally sensitive Everglades and the Biscayne Aquifer. The Hydrological Simulation Program-FORTRAN (HSPF) is used to simulate surface runoff, ground water recharge, and transport of sediments, nutrients, and pesticides in the WWIPA, as a basis to quantify impacts and evaluate alternatives. Presented are four model test runs that consider current conditions, the effect of future urbanization of the agricultural land, as well as two preventive actions to minimize pollution levels. Preventive actions include application of minimum required rates of fertilizers and replacement of fertilizers by sewage sludge. Model results show that under current practices, sediments, nutrients, and pesticides are present in surface runoff and nutrients enter the ground water, and that both urbanization and preventive actions result in pollutant reductions. 相似文献
100.
Soft subgrades’ stabilization by using various fly ashes 总被引:1,自引:0,他引:1
Aykut Senol Tuncer B. Edil Md.Sazzad Bin-Shafique Hector A. Acosta Craig H. Benson 《Resources, Conservation and Recycling》2006,46(4):365-376
This publication presents the results of research involving different types of self-cementing fly ashes (without any other activators) for the stabilization of four different types of soft subgrades from various road sites in Wisconsin, USA. The strength approaches were applied to estimate the optimum mixture design and to determine the thickness of the stabilized layer. The stabilized soil samples were prepared by mixing fly ash at different contents at varying water contents. The performance of fly ash stabilized subbase depends both on the specific source of fly ash and the engineering properties of soils. It is suggested that the performance analysis of fly ash should be based upon the laboratory tests such as index properties, compaction, unconfined compressive strength and CBR tests of a specific site. This is suggested rather than using the study of the physical properties and chemical composition of fly ash and soil. As disclosed in the literature, the strength gain due to stabilization depends mainly upon three factors; ash content, molding water content and compaction delay. The samples were subjected to unconfined compression strength and California bearing ratio (CBR) tests after 7 days curing time to develop water content–strength relationship. To evaluate the impact of compaction delay that commonly occurs in the field during construction, the sets of samples were compacted 2 h later after mixing with water. The unconfined compression strength and CBR tests were performed and used to determine the thickness of the stabilized layer in pavement design. All of these factors were taken into account throughout this research. 相似文献