• Title/Summary/Keyword: Environmental Evaluation

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Evaluation of Coastal Wetland to use Environmental Indicators (환경지표를 이용한 연안습지의 평가)

  • 윤소원;이동근
    • Proceedings of the Korean Society of Rural Planning Conference
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    • 1998.03a
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    • pp.21-24
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    • 1998
  • The objective of this study is to enforce systematic evaluation on the present condition and ecosystem of coastal wetland to use frame of environmental indicators. For this, the indicators for evaluation of coastal wetland are established and are applied to the present condition. Then, the application possibility of this evaluation indicators and management method by group of coastal method are presented.

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Integrated Evaluation of Advanced Activated Sludge Processes Based on Mathematical Model and Fuzzy Inference (수학적 모델 및 퍼지 추론에 의한 고도 활성슬러지 공정의 통합 평가)

  • Kang, Dong-Wan;Kim, Hyo-Su;Kim, Ye-Jin;Choi, Su-Jung;Cha, Jae-Hwan;Kim, Chan-Won
    • Journal of Korean Society of Environmental Engineers
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    • v.32 no.1
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    • pp.97-104
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    • 2010
  • At present, the biological nutrient removal (BNR) process for removal of nitrogen and phosphorus is being constructing to keep pace with the reinforced standard of effluent quality and the traditional activated sludge process of preexistence is being promoting to retrofit. At the most case of retrofitting, processes are subjected to be under consideration as alternative BNR process for retrofitting. However, process evaluation methods are restricted to compare only treatment efficiency. Therefore, when BNR process apply, process evaluation was needed various method for treatment efficiency as well as sludge production and aeration cost, and all. In this study, the evaluation method of alternative process was suggested for the case for retrofitting S wastewater treatment plant which has been operated the standard activated sludge process. Three BNR processes for evaluation of proper alternatative process were selected and evaluated with suggested method. The selected $A^2$/O, VIP and DNR processes were evaluated using the mathematical model which is time and cost effective as well as gathered objective evaluation criteria. The evaluation between 5 individual criteria was possible including sludge production and energy efficiency as well as treatment performance. The objective final decision method for selection of optimal process was established through the fuzzy inference.

Environment-Friendly Optimum Route Selecting With Geo-spatial Information Analysis (지형공간정보분석에 따른 환경친화적 최적 도로노선 선정)

  • Kim, Sang-Seok;Jang, Yong-Gu;Choi, Su-Geun;Kang, In-Joon
    • Journal of Korean Society for Geospatial Information Science
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    • v.13 no.3 s.33
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    • pp.69-77
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    • 2005
  • Most of the evaluations of environmental effect of construction of road do not run parallel with the evaluation of the propriety of the business, but it just reviews how to reduce contamination before the beginning of the construction work. This reveals the limitation of the induction of environment friendly development from the fundamental. In this study, a function of GIS spatial analysis for 9 elements of pre-evaluation of environmental effect has been introduced, and a GIS decision making system for environmental effect of a road has been established for an integrated evaluation by using individual evaluation result. By using GIS decision making system for pre-evaluation of environmental effect that has been developed in this study and the GIS data that has been collected, it would be possible to decrease time and money for evaluation as well as fulfill the requirement of objectivity. Therefore, it would be possible to apply for pre-evaluation of environmental effect when deciding on the route of the road at the beginning stage of the construction work. Also, through the system developed in this study, the construction body could easily induce a mutual agreement with the residents by the visual evaluation material, which might result in an evaluation of environmental effect while decreasing time and money at the beginning stage of the construction.

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Landscape Resources Evaluation strategy of rural waterfront villages - An application to a rural waterfront village along the Han river - (수변 농촌 마을의 경관 자원 우수성 평가 방안에 관한 연구 - 한강 유역 수변 농촌 마을 사례적용 -)

  • Lee, Jung-A;Lee, Yoo-Kyoung;Lee, Sang-Woo;Chon, Jin-Hyung
    • Journal of Korean Society of Rural Planning
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    • v.17 no.3
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    • pp.91-101
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    • 2011
  • The purpose of this study is to suggest a landscape resources evaluation strategy of rural waterfront villages along the river. This strategy consists of three phases: 1) an evaluation of rural amenity landscape resources, 2) an evaluation of water landscape resources, and 3) development of a positioning map based on the results of phase 1) and 2) the study result as follows. First, the evaluation method used in phase 1) was modified as a set of proposed evaluation indicators to assess development potential on rural waterfront villages. Second, to evaluate water landscape resources in rural waterfront villages, a series of evaluation index was developed including water area, diversity of water resources, biodiversity, and landscape quality. And the last, the positioning map showed relative position of waterfront villages obtained from two evaluation results: rural amenity landscape resources and water landscape resources. The study examined the proposed strategy as a possible alternative to evaluate landscape quality to 398 rural waterfront villages along the Han River. Landscape resources evaluation strategy proposed here could contribute to government officials and planners to operate systematic planning and management of rural waterfront villages.

A Study on the Development of ESG Safety Evaluation Index (ESG 안전 평가지표 개발에 관한 연구 )

  • Cheolhee Yoon;Keun-won Lee;Seungho Jung
    • Journal of the Korean Institute of Gas
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    • v.27 no.2
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    • pp.16-24
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    • 2023
  • ESG (environmental, social, governance) management is being introduced with the goal of sustainable development of the company in risk management, which identifies and judgement various risks that may occur in the industry. In the future, ESG evaluation will be used more as a value judgment tools for corporate sustainability. This ESG evaluation was used to manage the company's accident prevention level. Through morphological analysis of the current ESG evaluation system, it was found that the quantitative 'safety evaluation index' available in ESG was insufficient through analysis of safety evaluation items. In this study, domestic and foreign industrial accident data was analyzed, 'accident contributing factors' that required intensive management were derived, and major safety management items that needed supplementation were selected based on the results. ESG safety evaluation indicators were developed through the process of optimizing the selected items into evaluation factors suitable for 'accident prevention management'.

A Study on the Environmental Evaluation in Use Stage of KTX and Samaul Train : the Development of Eco-efficiency Indicator (생태효율성(Eco-efficiency)지표 개발을 통한 KTX와 새마을호 열차의 사용단계 환경성 평가에 관한 연구)

  • Choi, Yong-Sin;Chun, Yoon-Young;Lee, Kun-Mo;Kim, Yong-Ki
    • Proceedings of the KSR Conference
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    • 2011.05a
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    • pp.1313-1320
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    • 2011
  • World Business Council for Sustainable Development(WBCSD) is effort to achieve sustainable development in economic growth, environmental preservation and social development. Being this way, it is essential for developing evaluation tool which quantify to fulfill sustainable development. Eco-efficiency is one of the quantitative tools to evaluate environmental impact and economic aspect. Eco-efficiency, in general term, means creating more value of product or services with less impact to environment. It indicates as environmental impact in denominator and value of product or services in numerator. Eco-efficiency shows how much economic value reveals to unit environmental impact caused by product or service as an indicator. This study aims at developing eco-efficiency indicator of railway industry considering use stage among the entire life cycle stage of KTX and Saemaul train and also, figure out eco-efficiency value through indicator. Therethrough, it is enables to evaluate created value per environmental aspects. Since rail vehicles demands a lot of energy to transport people during use stage, the environmental impact is more significant than other lkfe cycle stages. Therefore, it quantified environmental indicator as CO2 emission and economic indicator as transportation record per a year with an annual income. This study contributes to be used as a tool for quantifying indicator of comparison evaluation in respect of rail vehicle in use stage.

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The development and application of environmental impact assessment program for apartment building element based on building materials LCI DB (건축재료 LCI DB 기반의 공동주택 부위별 환경영향 평가 프로그램 개발 및 적용에 관한 연구)

  • Kim, Rak Hyun;Tae, Sung Ho;Kim, Ji Hoon;Lee, Jong Gun
    • KIEAE Journal
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    • v.16 no.6
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    • pp.151-157
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    • 2016
  • Purpose: The purpose of this study is to develop and apply an environmental impact assessment program for apartment building elements, based on the building materials of the LCI DB, which can link the LCA results of building materials and buildings. Method: For this purpose, a framework for building elements was established, and several building material combinations were developed. In addition, the LCA method for quantifying environmental load emissions from the building materials of each site was applied to establish an environmental impact database of the building materials of the LCI DB. Result: An environmental impact assessment program, based on a Microsoft Excel worksheet, was developed for apartment building elements. This program can link the environmental impact assessment of building materials and building units. To validate the program evaluation results that were obtained in this study, a comparative analysis was carried out using the results of existing evaluation methods. The error rate was estimated to be 5% for environmental impact assessment using existing evaluation methods.

Development of the Inquiry-Based Environmental Education Program for Elementary School Students by Using DO Meter : Focused on the 6th Year Students of Elementary School (DO미터를 활용한 초등학생 탐구중심 환경교육 프로그램 개발 -초등학교 6학년을 중심으로-)

  • Lee, Min-Kyoung;Lee, Du-Gon
    • Hwankyungkyoyuk
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    • v.24 no.4
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    • pp.11-31
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    • 2011
  • The purpose of this study was to develope an Inquiry-Based Environmental Education Program for Elementary School Students by Using DO meter based on the theory of the inquiry-based environmental education. The developed program consisted of 5 constituents of Environmental Studies for the Environmental Education (ESEE) and was applied to the 6th grade students of elementary school. The inquiry activities have been conducted around Gigyechon stream in Pohang city where the school was located. The evaluation form to evaluate the environmental education programs in the perspective of the Inquiry-Based Environmental Education was developed and used to evaluate after applying the developed programs. As a result, it was known that the developed programs have been well constructed and this program would help fostering the environmental understanding of the world. And also the inquiry-based environmental education was suitable for the environmental education targeting the elementary school students. This study has a significance in the perspective that the concept and the theory of inquiry-based environmental education has been realized into the program suitable for the elementary school students and that the new direction of the environmental education for the elementary school has been suggested. In addition, the developed evaluation form to assess the effectiveness of the program is expected to be helpful for the future studies related to development of the inquiry-based environmental education programs.

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A Study on the Correlation between Shiphandler's Subjective Evaluation and Maneuvering Difficulty in Curved Narrow Channel (굴곡된 협수로 통항에서 조반자의 주관적 위험감지도와 조종인난도와의 상관관계에 관한 기초 연구)

  • 이동섭;윤점동;정태권
    • Journal of the Korean Institute of Navigation
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    • v.20 no.1
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    • pp.1-10
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    • 1996
  • The assesment of the safety of ship's transit in a curved narrow channel consists of the maneuvering safety determined by the chance of running aground, the maneuvering difficulty determined by ship's workload, and shiphandler's subjective evaluation. In this study, to examine the correlation between shiphandler's subjective evaluation and the maneuvering safety, the real-time and full-mission shiphandling simulator in the Korea Marine Training & Research Institute(KMTRI) was utilized. On the conning bridge of the shiphandling simulator, 50 experienced masters have conducted the modeled vessel of 60, 000 deadweight tonnage along the designed channel under 3 different environmental conditions. It was possible to assess and analyze theoretically the correlation between the shiphandler's subjective evaluation and maneuvering difficulty under each environmental condition by quantifying the data obtained from the tests. The results are as follows: $\circled1$ As the degree of maneuvering difficulty increases, the shiphandler's subjective evaluation increases in the designed channel under the designed environmental condition. $\circled2$ In the straight area, not the bend of the designed channel, maneuvering difficulty increases sharply under the environmental condition of current and wind coming from the stern.

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