• Title/Summary/Keyword: environmental benefits

Search Result 998, Processing Time 0.029 seconds

A Methodological Study on Ecological Economic Evaluation of a Multipurpose Dam Construction Using Emergy Concept (에머지(Emergy) 개념을 이용한 다목적댐 건설의 생태경제학적인 평가방법에 관한 연구)

  • Kang, Dee Seok;Park, Seok Soon
    • Journal of Environmental Impact Assessment
    • /
    • v.8 no.2
    • /
    • pp.45-51
    • /
    • 1999
  • Emergy concept was used to evaluate the contributions of a dam construction to the real wealth of our economy. A dam that is proposed as a multi-purpose dam was used to illustrate emergy evaluation methodology. Models for emergy evaluation were constructed with energy systems language, a symbolic modeling language which presents network properties of systems holistically. Water supply was the most important contribution in terms of emergy, which reflects that the dam is proposed for stable water supply to a local region. Generation of electricity was the second in emergy benefits of the dam. Emergy costs were more evenly distributed among the costs which would occur as a result of the dam construction. Emergy yield ratio was 1.30 if sediments are not included, and 1.15 if sediments are included, which results in net yield in both cases. The ratio would, however, fall below 1.0 if rare species within the system boundary are lost as a result of the dam construction because of the high emergy value included in biotic species, which means that emergy costs will be greater than emergy benefits. This study illustrated a new methodology in environmental impact assessment to better manage our environments in an age of diminishing resources.

  • PDF

The Environmental Justice in Ecological Immigration A Case Study of Sanjiangyuan Area

  • Ma, Shuang;Ma, Sa
    • Architectural research
    • /
    • v.17 no.4
    • /
    • pp.147-152
    • /
    • 2015
  • Recently, there is an increasing criticism both inside and outside China toward the eco-migration projects. The author focuses on the eco-migration of Sanjiangyuan National Nature Reserve as a case study as it is one of the main eco-migration projects. At the end of 2010, government invested 4.47 billion CNY in eco-migration and relocated the immigration 55773 people in 10733 units. Benefits of eco-migration is obvious, however, it needs to be recognized that in the aspect of environment justice, it is unfair to sacrifice a group of people in the process of environmental protection because costs and benefits result from the environmental protection have to share among the people without discrimination. Local herdsmen received extra disadvantages in their level of material possessions, social and cultural values and the social inclusion after eco-migration project. As a part of the eco-social system established within several centuries, the local herdsmen are not only threateners to local ecology system, but also the guardians to the natural environment through religion and habits last for generations. The social and cultural values, traditional religion and Nomadic living habits, as important as the environment, are need to be cherished and protected.

A Study on the Performance Analysis of Environmental Improvement Fund for the Structural Advancement Project of the Old Industrial Complex (노후산업단지 구조고도화사업을 위한 환경개선펀드 성과분석에 관한 연구)

  • Kim, Jongha;Chung, Jaeho
    • Land and Housing Review
    • /
    • v.11 no.3
    • /
    • pp.21-31
    • /
    • 2020
  • This paper quantitatively analyzes the investment performance of the environmental improvement fund focusing on the sales effect and the housing benefit effect. The analysis of this study focused on the effects of sales and housing benefits for completed business sites among the business sites supported by the Environmental Improvement Fund. The analysis results are as follows. First, it appears that the sales effect of the completed workplace is effective compared to the amount of investment, so it seems that the purpose of industrial integration of the environment improvement fund is being achieved. Second, it was found that there are variations by workplace and region in housing benefits. This seems to be due to the fact that profitability can be neglected by reflecting the characteristics of residential facilities built by private businesses. The Environmental Improvement Fund is a policy fund that pursues both profitability and publicity. Therefore, it is necessary to transform the structure of the fund to expand support for industrial infrastructure with high publicity. To this end, it is necessary to establish a long-term management plan that equitably considers the profitability and publicity of the environmental improvement fund.

The effect of Independent Tendency of Single Women on Consumption Values and Clothing Benefits (미혼여성의 독립적 성향에 따른 소비가치와 의복추구혜택에 관한 연구)

  • Lee, Mi-Ah;Rhee, Eun-Young
    • Journal of the Korean Society of Costume
    • /
    • v.60 no.5
    • /
    • pp.139-156
    • /
    • 2010
  • The purpose of this study is to identify the independent tendency of single women, certainly worthy of study in considering their size, their growth, and their purchasing power, and to examine their effects on consumption values and clothing benefits. The data were collected from self-administrated questionnaire with 537 single women in their 20�s and 30�s on May in 2005. Data were analyzed by factor analysis, reliability analysis, K-means cluster, one way ANOVA and chi-square. Factor analysis on independent tendency resulted in three dimensional structures: marriage-independent tendency, physical independence, social independence. Five dimensions of consumption values were identified by factor analysis: conspicuous, pro-environmental. economic, enjoyable, aesthetic values. Five dimensions of clothing benefits were identified by factor analysis: individuality, well-known brand, practicality, price, social recognition pursuit. The respondents were classified to three groups by three factors of independent tendency: high independent group, social-physical independent group, low independent group. There were significant differences among these groups in demographic characteristics, consumption values and clothing benefits.

Assessing Spatial Disparities and Spatial-Temporal Dynamic of Urban Green Spaces: a Case Study of City of Chicago

  • Yang, Byungyun
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
    • /
    • v.38 no.5
    • /
    • pp.487-496
    • /
    • 2020
  • This study introduces how GISs (Geographic Information Systems) are used to assess spatial disparities in urban green spaces in the Chicago. Green spaces provide us with a variety of benefits, namely environmental, economic, and physical benefits. This study seeks to explore socioeconomic relationships between green spaces and their surrounding communities and to evaluate spatial disparities from a variety of perspectives, such as health-related, socioeconomic, and physical environment factors. To achieve this goal, this study used spatial statistics, such as optimized hotspot analysis, network analysis, and space-time cluster analysis, which enable conclusions to be drawn from the geographic data. In particular, 12 variables within the three factors are used to assess spatial disparities in the benefits of the use of green spaces. Finally, the variables are standardized to rank the community areas and identify where the most vulnerable community areas or parks are. To evaluate the benefits given to the community areas, this study used the z- and composite scores, which are compared in the three different combinations. After identifying the most vulnerable community area, crime data is used to spatially understand when and where crimes occur near the parks selected. This work contributes to the work of urban planners who need to spatially evaluate community areas in considering the benefits of the uses of green spaces.

The Effect of Social Discount Rate Manipulation on the Economic Feasibility Tests: Focusing on the Environmental Public Investment Projects (사회적할인율 조정이 공공투자사업의 경제성 평가에 미치는 영향: 환경투자사업을 중심으로)

  • Kim, Sang Kyum
    • Journal of Environmental Policy
    • /
    • v.12 no.4
    • /
    • pp.71-92
    • /
    • 2013
  • Unlike general public investment projects, when it comes to environmental public investment projects, there is a gap between those who pay the costs, and those who receive the benefits. This is because of the long term nature of environmental investments, which entails that the majority of the costs are paid by the current generation, while the benefits are reaped by future generations. Because of this, when the social discount rate is set at a standard, singular rate, an issue of relative underestimation of the benefits reaped by future generations may occur during the analytic process. This paper begins with the recognition of this problem, and attempts to estimate a suitable social discount rate that can be applied to environmental investment projects. Taking into account recent economic situations, the social discount rate is currently being estimated at between 2.9 ~ 4.9%. Also, this paper used preliminary feasibility studies that took place so far, to analyze the standard pattern of benefit generation. This revealed that alterations in social discount rates can bring significant changes in economic feasibility test results. Simulation results showed that roughly 6% of B/C ratios could be increased by 1%p. resulting in a decrease in social discount rates. Also if we use hyperbolic discount rates, instead of using the current singular rate, there would be a meaningful increase in the benefits for the future generation.

  • PDF

An Importance-Performance Analysis by Benefit Sought in Neighborhood Park - Focused on the Neighborhood Parks in the City of TaeJon (도시근린공원의 추구편익에 의한 중요-성취도 분석 - 대전광역시 근린공원을 대상으로)

  • Lee, Shi-Young;Heo, Jun
    • Journal of the Korean Institute of Landscape Architecture
    • /
    • v.32 no.3
    • /
    • pp.114-125
    • /
    • 2004
  • On the assumption that marketing is a useful technique to activate park use, this study aims to find what benefits people pursue and how much they attain them through a park visit. To achieve this, the survey of a Benefits-Sought for a park was conducted at four major parks in the city of Taejon and an Importance-Performance Analysis(IPA) was conducted. Additionally, a Present Condition survey was performed with the park managers. As a result, first, it was found that major benefits are a comfortable rest, an escape from bustling city life, to see natural scenery and to promote physical health, and so forth. Second, performance was relatively lower than importance in the case of recreation and leisure activities, which means that facilities should be improved and programs for park use should be developed. Third, at GaYang park, importance and performance are good in balance. DongChunDang park and Seattle park have 5 items and 7 items for which immediate improvements are required. Saemmeury park generally shows good proportions and it can be much activated by improving the learning and experiencing activities. The results objectively show conditions of neighborhood parks in the city of Taejon from a view of park users. Therefore, it is expected that the results would be useful in determining priorities when improving park facilities or their programs.

A Proposal to Change Welfare Policy Principles for Agent Orange Exposed Korean Veterans (고엽제 피해자에 대한 국가 보상 현황 및 보훈 정책 원리 수정 제안)

  • Chung, Injae
    • Journal of Environmental Health Sciences
    • /
    • v.40 no.2
    • /
    • pp.157-170
    • /
    • 2014
  • Objectives: Agent Orange TCDD has been related to serious diseases among Korean veterans who were exposed to it. Decades after the end of the war, however, its effects are still being debated. The object of this study was to examine various unmet needs raised among Agent Orange exposed veterans and their families and to find grounds of a new welfare policy for providing alternative legislation. Methods: Literatures concerning Agent Orange, TCDD, the associated diseases, compensation for veterans and Supreme Court sentencing were searched using PubMed, ProQuest, press news and relevant homepages. Results: Agent Orange exposed veterans are eligible for various benefits from the government, including disability compensation for diseases associated with exposure. The Ministry of Patriots and Veterans Affairs has classified certain diseases into two categories, Agent Orange sequela diseases and sequela suspect diseases and has provided differential benefits based on separated laws. Big differences exist in benefits to veterans and their families between the two laws. The absence of definite standards to classify the Agent Orange associated diseases was confirmed by recent Supreme Court sentencing which ruled in favor of US manufacturers. Conclusion: It appears that the evidence for cause and effect of Agent Orange related diseases would never be perfect. The results suggest a need to change welfare principles from presumptive or indefinite disease basis to exposure experiences combined with integrated disability evaluation. We propose to extend eligibility by enacting a new law for Agent Orange exposed Korean veterans.

Application and Estimation of Environment Pollutant Emission Considering Vehicle Driving Cycle - Focusing on Feasibility Study - (차량주행주기를 감안한 환경오염물질 산정 및 적용 - 타당성 평가 적용을 중심으로 -)

  • Chung, Sung-Bong
    • Journal of Korean Society of Environmental Engineers
    • /
    • v.33 no.4
    • /
    • pp.223-230
    • /
    • 2011
  • According to EMEP/EEA Emission Inventory Guidebook, the emissions produced by vehicle in cold start phase should be calculated differently compared to hot start phase. In this study, considering this driving cycle, more appropriate procedures for estimating Environmental Benefits was suggested. Using Tier 3 standard, all links within the impact area were included in estimating emissions. Traffic volume and travel distance were analyzed using EMME/3 software. For application of the procedures in this study, the case study was carried out with real transportation project. As a result, the Environment-Benefits increased by 30%. If the methodology suggested in this study is applied to feasibility study it will help to activate the investment of the environment-friendly modes like railway in the future.

Future Urban Transportation Technologies for Sustainability with an Emphasis on Growing Mega Cities: A Strategic Proposal on Introducing a New Micro Electric Vehicle Segment

  • Honey, Emilio;Lee, Hojin;Suh, In-Soo
    • World Technopolis Review
    • /
    • v.3 no.3
    • /
    • pp.139-152
    • /
    • 2014
  • The current transportation regime is largely based on two alternatives: (1) fixed route public transit, and (2) private ownership of internal combustion engine (ICE) powered vehicles per households. This paper analyzes one possible transportation alternative, Micro Electric Vehicles or MEVs, and compares with the ICE vehicles in terms of social, economic and environmental benefits, especially emphasizing its environmental advantage over ICE vehicles for future sustainability. While some representative models of MEVs exist in a limited market capacity, but global technical standards are generally insufficient and non-homogenous across nations, which restricts the development of the proposed transportation sector. The focus of this paper is to analyze the characteristics and potential benefits of MEVs in economical and environmental perspectives, including development status and technical standards, with a particular focus in the E.U., the U.S., Japan, and Korea. Based on the data of analysis, this paper aims to derive and propose a cooperative and adaptive global policy framework designed to speed up adoption and expansion of the global MEV market, including passenger and utility vehicles. We propose MEV to be a new mobility segment in the global transportation market because of their advantage in environmental impact, sustainability, overall cost of ownership, and safety.