• Title/Summary/Keyword: Environment Assessment

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Development of Simple Benthic Macroinvertebrates Index (SBMI) for Biological Assessment on Stream Environment (하천환경의 생물학적 평가를 위한 간이저서동물지수(SBMI)의 개발)

  • Kong, Dongsoo;Min, Jeong-Ki;Noh, Seong-Yoo
    • Journal of Korean Society on Water Environment
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    • v.34 no.5
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    • pp.514-536
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    • 2018
  • GPI (Group Pollution Index) using 29 indicator groups of Korean benthic macroinvertebrates was proposed in 1992, a higher category taxa-level index developed for rapid field assessment of organic water pollution. This study was performed to revise the assessment scheme of GPI based on taxonomic performance and ecological information accumulated since 1992. The original GPI was renamed SBMI (Simple Benthic Macroinvertebrates Index), and SBMI was based on saprobic valency of 26 indicator groups composed of higher category taxa (mainly family ~ phylum) excluding some genus or species-level taxa. SBMI revealed highly significant correlation with concentration of 5-day biochemical oxygen demand ($BOD_5$) (correlation coefficient r = 0.78, n = 569 sites), total suspended solids (r = 0.69), and total phosphorus (r = 0.77). Also, SBMI revealed strong correlation with Shannon-Weaver's species diversity (r = -0.85), Margalef's species richness (r = -0.85), and McNaughton's dominance (r = 0.83). Determination coefficient of SBMI to concentration of water quality items and values of community indices such as species diversity was 3 ~ 8 % and approximately 11 ~ 14 % higher than that of GPI, respectively. Correlation between SBMI and water quality factors or community indices such as species diversity did not reveal much difference compared to that of species-level indices, such as BMI (Benthic Macroinvertebrates Index) and ESB (Ecological Score of Benthic Macroinvertebrates). SMBI is a simple-qualitative index with higher category taxa easily identified, and is applicable for rapid field assessment of water environment impairment.

Utilization of Noise Map in the Stage of Environmental Assessment on Development Project (개발계획 환경평가 단계에서의 소음지도 활용방안)

  • Sun, Hyo-Sung
    • Journal of Environmental Policy
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    • v.9 no.3
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    • pp.29-46
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    • 2010
  • This study presents plans to prevent environmental noise by using noise maps when establishing development projects and targets strategic environment assessments for urban master plans and environmental impact assessment for urban development projects. Strategic environment assessments for urban master plans include the examination of plan validity and location appropriateness in consideration of the effect of environmental noise by comparing development plans with noise maps, and the establishment of long-term measures through comprehensive assessment of present noise conditions and noise effects from development plans. Environmental impact assessments for urban development projects propose enforcement plans, including analysis of present noise conditions around development areas, overall evaluation of present noise conditions and the noise effect from development projects, and selection of optimal measures by comparing noise maps with various alternatives.

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A Study on the Improvement of Prior Environmental Review System(PERS) in a Administrative Plan & Program Including a Small-Scale Development - Focus on Hot Spring Hole Wildness - (소규모 개발이 수반되는 행정계획 사전환경성검토 발전방안에 관한 연구 - 온천공보호구역을 중심으로 -)

  • Kim, Jeong-Hyun;Kim, Im-Soon;Han, Sang-Wook
    • Journal of Environmental Impact Assessment
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    • v.17 no.3
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    • pp.167-176
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    • 2008
  • Korea has made the rapid economical development under the condition with the high population density and low available land. In this context, conservation of land environment, connected directly with living quality of human, has mostly ignored. Prior Environment Review System(PERS) is the one to investigate the locational validity, environmental impacts, harmony with surrounding environment, from the early stage of administrative plan or development project. PERS was amended to include SEA(Strategic Environment Assessment) system on June 1, 2006. But, several problems, including the loss of administrative ability, cost, and time, have been appeared, since the system is applied to all administrative plans without any distinction and plans or projects are delayed generally. In this study, the weaknesses of PERS were indicated through the comprehensive analysis including literature survey, study of legal and internet database, and the recently published PERS reports. Based on that, the improvement schemes were suggested to be harmonized with the nature of SEA. This study was mainly focused on a PERS for the designation of conservational area of hot-spring wells, conducted by authors.

A Study on Implications and Improvement Plans for the Developing Consultation Guidelines for Environmental Assessment of Offshore Wind Power Development Projects (해상풍력 개발사업의 환경성 평가 협의 지침 개발에 관한 시사점 및 개선안 연구)

  • Haemi, Lee;Junho, Maeng
    • Journal of Environmental Impact Assessment
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    • v.31 no.6
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    • pp.449-464
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    • 2022
  • This study reviewed the development process of the consultation guideline for the environmental assessment of offshore wind power. Based on this, implications and improvement plans for a future revision of the guidelines. Domestic and foreign case studies reviewed the consulting cases on domestic offshore wind power development projects, environmental location consulting cases, and guidelines related to overseas offshore wind power and analyzed location characteristics and significant environmental issues by project. Major environmental issues related to offshore wind power include birds, noise and vibration, marine animals and plants, marine physics, marine water quality and sediments, marine landscapes, and other auxiliary facilities installed on land. Implications and improvements for revising the consultation guidelines for evaluating offshore wind environments require data and clear guidelines at the central government level to determine areas where offshore wind projects can be located. In a situation where the importance of cumulative impact assessment is emphasized, guidelines for cumulative impact assessment methodologies for each item that reflect the domestic situation should be prepared for a cumulative impact assessment on offshore wind power environmental issues. In addition, when revising the consultation guidelines, empirical research cases should be reflected through the accumulation of environmental surveys and monitoring data of offshore wind farms by sea area.

Characteristics of Meteorological Environment Variation Before and After Construction of Nak-dong River Estuary Barrage (낙동강 하구둑 건설 전·후의 기상환경 변화 특성)

  • Jeon, Byung-Il
    • Journal of Environmental Impact Assessment
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    • v.14 no.3
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    • pp.135-145
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    • 2005
  • This study was conducted to investigate the characteristics of meteorological environment variation before and after construction of Nak-dong river estuary barrage. We used meteorological data(air temperature, precipitation, relative humidity, visibility, wind) at Gimhae airport meteorological station. The construction of river estuary barrage can change climate at the neighboring districts and influence human's health and vegetable. The construction of Nakdong river estuary barrage brought rise of temperature, decrease of relative humidity and increase of poor visibility frequency.

Life Cycle Assessment(LCA) of Rolling Stock (철도차량시스템의 전과정평가(LCA))

  • Kim Yong-Ki;Yoon Hee-Taek;Jung Woo-Sung
    • Proceedings of the KSR Conference
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    • 2004.10a
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    • pp.533-538
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    • 2004
  • Rolling Stock life cycle can not provide weakness of environment due to the absence DB on about environment information for contaminant, expense analysis on each step which consists of raw material-design-manufacture-running-waste step. In order to estimate environmental impacts on LCA for rolling stock system, scientifically and internationally fair standards of assessment method for pursuing environmental friendly in environment regulation policy, application of LCA system is proposed and introduced in the present paper.

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Toward a better environment impact assessment on dam construction (댐건설의 환경영향평가 현황과 바람직한 발전방향)

  • 이수재
    • Proceedings of the Korean Society of Environment and Ecology Conference
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    • 2003.10a
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    • pp.55-72
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    • 2003
  • Dam is a barrier constructed to divert, hold water and raise its level for purpose of water supply, irrigation, power generation, flood control, and recreational facilities, etc. Therefore, there are many inevitable environmental impacts on dam construction. We need some better tools to predict the impacts and mitigate measures before and after dam construction. For this purpose I discussed several feasible suggestions and provisions mainly related to environmental impact assessment.

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Study on the Development of Quantitative Assessment Computer System to Select Environment Friendly Railway (환경친화적인 철도노선선정은 위한 주요환경인자 정량화 시스템 개발에 관한 연구)

  • Kim, Dong-Ki
    • Journal of the Korean Society for Railway
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    • v.12 no.1
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    • pp.144-150
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    • 2009
  • This study analyzed opinions of specialists checking of industrial environment, analysis of bid guideline to select environment friendly railway corridor and choose weight factors. Thus, 7 major categories were extracted from 20 EIA categories and essential supplement request items for environment friendly railway corridor selection. To select environment friendly railway corridors, many alternatives should be compared and the assessment of each alternative must be carried out on the basis of these 7 categories. To solve this problem, the selected method was AHP which simplifies the complex problems utilizing hierarchy, quantifying qualitative problems through 1:1 comparison, and extracting objective conclusions by maintaining consistency. As a result, a GUI-based program was developed which provides basic values of weighted parameters of each category defined by specialists, and a quantification of detailed assessment guidelines to ensures consistency.

Improvement in Legislative Assessment of the Environmental Conservation Value Assessment Map Considering the Restriction on Acts of Special-Purpose Areas (용도 지역 행위 제한을 고려한 국토환경성평가지도 법제적 평가 개선)

  • Yang, Hyun-Jae;Kim, Geun-Han;Yoon, Jeong-Ho;Jun, Chul-Min;Lee, Eun-Jung;Hwang, So-Young
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.21 no.1
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    • pp.13-30
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    • 2018
  • In terms of environmental friendly land use and objective environmental assessment, legislative assessment items of Environmental Conservation Value Assessment Map (ECVAM) consists of designated areas related to conservation and protection, and areas that are planned to be designated in the future. However, the gap with the reality due to omission of several protection areas and land use regulations, and assessment grades according to 3 division land use map of forest, agricultural land, and urbanized area, results in low application and utilization of ECVAM. Therefore in this study, the legislative assessment of the ECVAM was performed with new assessment items and its new ratings, to suggest an improvement in legislative assessment items of the ECVAM. As a result, legally protected areas of inhabited islands under absolute conservation, special wildlife protection districts, protected marine areas, environmental preservation sea areas, scenic spots, forest protection zone, traditional temple preservation zone, and 45 zone or district related to regulation of land use were additionally designated as new legislative assessment items. New grade ratings were given to each additional assessment items in consideration of the restrictions on acts. As a result of the legislative assessment based on the new assessment items and new grades, the 1st grade area increased by 3.47%, and the 2nd grade area increased by 19.35%. The 3rd grade area decreased by 8.54%, the 4th grade area increased by 2.95%, and 5th grade increased by 2.91%. In addition, the out-of-grade area decreased by 20.14%, considered to be a realistic assessment based on land use. With the improved legislative assessment, it is possible to provide a more accurate environmental assessment map. Increase usage of ECVAM is expected in providing regulations of land use and base data for integrated land management of land environmental planning.

Standardization Plan for Activation of Environmental Impact Assessment based on Spatial Information (공간정보 기반 환경영향평가 활성화를 위한 표준화 방안)

  • Jang, Jung-yoon;Cho, Namwook;Lee, Moung Jin
    • Korean Journal of Remote Sensing
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    • v.35 no.3
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    • pp.433-446
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    • 2019
  • Environmental impact assessment has been performed as preliminary assessment system in order to conserve environment value and minimize negative effect from development. Assessment based on data has been necessary to strengthen objectivity in process of Environmental impact assessment process. Furthermore extended use of spatial information in Environmental impact assessment system has been required through spatial information provided at government level and possibility connected with spatial information in Environmental impact assessment. However spatial information has not been systematically utilized in current Environmental impact assessment. Also the environmental impact assessment workers including assessment government employees, agencies of Environmental impact assessment document and review agencies lack an understanding in the concept of spatial information, so there is limit about their use to efficiently. In order to improve these limits in use of spatial information, this study suggested measures to standardize spatial information (coordinate and attribute table). To do so, based on coordinate and standards certified by the government, this study defined standard coordinates (GRS-80, central datum point, False East: 100000, False North: 200000) and established 9 default items. Lastly, the aforementioned standards were tested for actual environmental impact assessment projects. Standardization measures suggested in this study are expected to contribute to invigorate spatial information utilization in Environmental impact assessment and expand the scope of the assessment.