共查询到17条相似文献，搜索用时 203 毫秒
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岩溶地区的垃圾填埋选址较为困难,现行的垃圾填埋场选址评价方法又存在较大局限。笔者等依据垃圾填埋场的建设宗旨和选址基本原则,结合岩溶地区的环境地质特点,探讨提出一套适用于岩溶地区的垃圾填埋场选址评价方法。通过实例应用表明,该方法可在现行较难选出垃圾填埋场的岩溶地区,优选出适宜性较好的未来垃圾填埋场,能够担当起解决岩溶地区的垃圾无害化、减量化填埋处置的难题和重任。 相似文献
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威海是＂最适宜人类居住的地方＂,但随着城市建设的快速发展,城市垃圾产生量不断增加,垃圾填埋场选址问题亟待解决。以威海市环翠区为研究对象,综合考虑地形地貌、土地利用规划、交通、水利规划、气象、地质、水文地质、工程地质、环境地质等多方面因素及经济效益和环境效益,从地质环境角度出发,选取5个层次共15个评价因子,采用层次—网格法进行了垃圾填埋场选址区划分析研究,划分出垃圾可填埋区、限制填埋区、禁止填埋区。并在限制填埋区和可填埋区,进一步优选出几个垃圾填埋场地的首选场址,可供规划、设计部门参考。 相似文献
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正确分析评价垃圾填埋场的地质特征和防渗方案,对垃圾填埋场的选址、设计以及施工运营极为重要。从自然环境、地层结构及岩性特征等方面阐述了淮安市某垃圾填埋场的地质特征,分析了填埋区含水层分布、厚度、赋水性等水文地质条件;结合室内试验和野外试验,综合确定了填埋区岩土层渗透系数大于1×10^-7cm／s,表明填埋区不具备天然防渗的条件,需采用人工防渗系统才能有效的阻滞垃圾渗滤液对周边环境的影响。 相似文献
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城市固体垃圾填埋场选址的地质条件评价 总被引：2，自引：0，他引：2
随着我国工业化、城市化进程的加快,不断增长的城市垃圾及处置问题日益突出。卫生填埋是现阶段处理城市垃圾的主要方法。做好填埋场的地质条件研究,对填埋场选址及建设甚为重要。探讨城市固体垃圾填埋场选址应注意的地质问题,对其地质条件进行了分析和评价;根据GIS的技术特点及在填埋场选址中的具体应用,提出了解决问题的建议与对策。 相似文献
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本文结构选址的实践，针对垃圾卫生填埋场环境水文地质 的中心问题是垃圾涌沥液场地渗漏对地下水的污染，提出了垃圾卫生填埋场选址的环境水文地质调查，应综合考虑地形，地貌，特别是场地水文地质条件，即影响渗沥液产量与场地渗漏量的各种因素。 相似文献
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以长江经济带上游地区泸州市规划中心城区为例,建立了包括多因素综合评价模型和多层次评价指标体系的工程建设适宜性评价方法,采用模糊赋权法和层次分析法相结合的组合赋权法计算评价指标的权重,利用GIS空间分析技术对泸州市规划中心城区工程建设适宜性进行了评价,并对评价方法的可靠性进行了分析。结果表明：泸州市规划中心城区工程建设适宜性整体较好,以适宜、较适宜为主,其中适宜区、较适宜区分别占研究区总面积的36.16%、28.81%,此外适宜性差区、不适宜区各占20.96%、8.07%;泸州市城市规划建设、重大工程建设选址应在适宜区和较适宜区范围内,尽量避免适宜性差和不适宜地区;在适宜性差和不适宜地区进行工程建设应注意不同区段现有和可能诱发的地质灾害、地基不均匀沉降、软土、坍岸等问题的防治。建立的评价方法在丘陵城市工程建设适宜性评价上适用性较好。 相似文献
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对比指数评价法和模糊综合评价法在某生活垃圾填埋场周边村庄地下水水质状况评价结果,选择科学合理的评价方法来判断垃圾填埋场对周边村庄地下水是否造成影响。通过采集填埋场周边村庄饮用水井中地下水样品并进行测试分析,以检测数据为基础,选择典型的指数评价法与模糊数学评价法对敏感区域地下水水质状况进行评价。结果表明,各种评价方法能够从不同角度体现了研究区地下水环境质量状况,相比较而言,模糊综合评价法的评价结果更符合实际状况。 相似文献
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Mevlut Uyan 《Environmental Earth Sciences》2014,71(4):1629-1639
Landfill site selection is a critical issue in the urban planning process because of its enormous impact on the economy, ecology, and the environmental health of the region. Landfill site selection process aims to locate the areas that will minimize hazards to the environment and public health. Multi-criteria evaluation methods are often used for different site selection studies. The purpose of this study was to determine suitable landfill site selection by using the geographical information system and the analytic hierarchy process in the study area. The final index model was grouped into four categories as “low suitable”, “moderate”, “suitable” and “best suitable” with an equal interval classification method. As a result, 12.69 % of the study area was low suitable, 7.27 % was moderately suitable, 13.79 % was suitable, and 15.52 % was the best suitable for landfilling; 50.72 % of the study area is not suitable for a landfilling. 相似文献
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Matthew Biniyam Kursah 《GeoJournal》2018,83(4):707-724
Increase in waste generation calls for an effective waste management as this has become a necessity for environmental sustainability. Several methods are adopted in managing waste, which include waste reduction, reuse, thermal treatment, recycling and landfilling. The landfill method is recognised as the most used of all the waste management methods in developing countries such as Ghana. However, the selection of a suitable landfill site is very difficult and tedious. This is because it involves a consideration of many factors such as environmental, topographic, economic, socio-cultural and civil engineering. This research sought to identify a suitable landfill site by applying GIS multicriteria and weighted overlay approach in the Bongo District of Northern Ghana. The analysis relied on criteria and weights provided by the technocrats and the indigenes in the district as a way of demonstrating how landfill siting impasse can be resolved by incorporating the various stakeholders. The results obtained provided clear areas for landfill sites in the study area from the technocratic and the indigenous perspectives. However, the technocratic perspective failed to include an important cultural criterion, sacred groves, as a factor. The indigenous perspective also compromised on the factor related to nearness to residential areas, and is equally not sufficient on its own. The optimal landfill sites, which meets the expectations of both the technocrats and indigenes, was identified. This perspective has produced technically favourable and socio-culturally acceptable landfill site. However, it is recommended an environmental impact assessment (EIA) be conducted to identify the full environmental and social cost of the site. It is concluded that in landfill site selection much attention be given to cultural factors in the same way as the technical factors. 相似文献
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In most large and fast growing urban areas, finding suitable lands for construction of landfill is one of the serious problems in environmental management. Land fill site selection process depends on different factors, regulations and constraints. Ignoring each of these parameters may cause miscalculations and lead to selection of an inappropriate landfill site which could have negative environmental, economical, and ecological impacts. Therefore, this process must be accomplished by taking into account all of the related criterions and variables. In this study, landfill site selection is performed by combining geographic information system (GIS) and analytical hierarchy process (AHP) in Hamedan province, west of Iran. In relation to landfill site selection, ten different criteria including Geology, surface water, aquifer, land use, elevation, slope, and distance to main roads, residential areas, faults and sinkholes were investigated. Using AHP each criterion was weighted, then geographic information system (Arc GIS 9.3 software) was used to manipulate and present spatial data. Finally, suitability map was prepared by overlay analyses and most suitable and suitable areas were identified and checked in field. The results indicate that 60.4 % of the area in the Hamedan province (11,631 km2) is unsuitable, 33 % (6,257.7 km2) moderately suitable and 6.6 % (1,344 km2) most suitable for construction of landfill. 相似文献
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During the last decades, growth of urbanization and industrialization led to an increase in solid waste generation. Landfilling is the most prevalent ultimate disposal method for the municipal solid wastes in developing countries. The rapid municipal solid waste generation in Markazi province (central part of Iran) causes the need for precision in finding a suitable landfill site selection. In the present study, 12 factors (environmental and socioeconomic factors) have been applied to select the landfill site in Markazi province, Iran. The different methods including the analytic network process (ANP) combined with fuzzy linguistic quantifier, ordered weighted average (OWA), and weighted linear combination (WLC) approach in geographic information system was applied to find an appropriate landfill site. The OWA operator function permits the evaluation of the wide spectrum of consequences (with different scenario) obtained from different management strategies. Results revealed that integration of fuzzy logic, ANP, and OWA provides flexible and better ideas compared to the Boolean logic and WLC to select a suitable landfill site. 相似文献
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Regional non-hazardous landfill site selection by integrating fuzzy logic, AHP and geographic information systems 总被引：4，自引：4，他引：0
Katerina R. Donevska Pece V. Gorsevski Milorad Jovanovski Igor Pe?evski 《Environmental Earth Sciences》2012,67(1):121-131
This study presents a geographic information systems-based multi-criteria site selection of non-hazardous regional landfill in Polog Region, Macedonia. The multi-criteria decision framework integrates legal requirements and physical constraints that relate to environmental and economic concerns and builds a hierarchy model for landfill suitability. The methodology is used for preliminary assessment of the most suitable landfill sites by combining fuzzy set theory and analytic hierarchy process (AHP). The fuzzy set theory is used to standardize criteria using different fuzzy membership functions while the AHP is used to establish the relative importance of the criteria. The AHP makes pairwise comparisons of relative importance between hierarchy elements grouped by environmental and economic decision criteria. The landfill suitability is achieved by applying weighted linear combination that uses a comparison matrix to aggregate different importance scenarios associated with environmental and economic objectives. The results from the study suggested that a least suitable landfill area of 1.0% from the total is generated when environmental and economic objectives are valued equally while a most suitable landfill area of 1.8% area is generated when the economic objective is valued higher. Such results are aimed for enhancement of regional landfill site selection in the country that is compliant with modern EU standards. 相似文献
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Landfill site selection by decision-making tools based on fuzzy multi-attribute decision-making method 总被引：2，自引：2，他引：0
Abdolhadi Nazari Mohammad Mehdi Salarirad Abbas Aghajani Bazzazi 《Environmental Earth Sciences》2012,65(6):1631-1642
Landfill site selection is a complex and time-consuming process, which requires evaluation of several factors where many different
attributes are taken into account. Decision makers always have some difficulties in making the right decision in the multiple
attribute environments. After identifying candidate sites, these sites should be ranked using decision-making methods. This
study applies Chang’s fuzzy AHP-based multiple attribute decision-making (MADM) method for selection of the best site of landfills
based on a set of decision criteria. The Fuzzy Analytic Hierarchy Process (FAHP) was designed to make pairwise comparisons
of selected criteria by domain experts for assigning weights to the decision criteria. Analytic Hierarchy Process (AHP) is
used to make pairwise comparisons and assign weights to the decision criteria. It is easier for a decision maker to describe
a value for an alternative by using linguistic terms and fuzzy numbers. In the fuzzy-based AHP method, the rating of each
alternative was described using the expression of triangular fuzzy membership functions. Once the global weights of the criteria
is calculated by AHP, they are incorporated into the decision matrices composed by decision maker and passed to fuzzy-AHP
method which is used to determine preference order of siting alternatives. In this study, a computer program based on the
Chang’s fuzzy method was also developed in MATLAB environment for ranking and selecting the landfill site. As an example of
the proposed methodology, four different hypothetical areas were chosen and implemented to demonstrate the effectiveness of
the program. By using this program, the precision was improved in comparison with traditional methods and computational time
required for ranking and selecting the suitable landfill site was significantly reduced. 相似文献