• 제목/요약/키워드: Nature Restoration

검색결과 323건 처리시간 0.022초

자연형 하천평가를 위한 원격탐사법 응용 : 다중파장 위성영상의 식생지수 중심 (An Application of Remote Sensing Method for Close-to-nature Stream Evaluation : Focusing on Vegetation Index of Multi-Spectral Satellite Image)

  • 윤영배;조홍제;김근영
    • 한국수자원학회:학술대회논문집
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    • 한국수자원학회 2006년도 학술발표회 논문집
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    • pp.462-466
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    • 2006
  • Close-to-nature stream evaluation is one of the processing to make the streams over in order to keep them natural. It is integral to evaluate and make an accurate analysis of them on the purpose of maintaining streams healthy. For many instances, there are, stream organization evaluation for restoration by German government, evaluation for ecosystem protection in natural preserves by New Zealand government, and stream-view evaluation for restoration by Britain government so on. In case of the country there are analysis and evaluation of stream physical organization by Cho, Yong-hyun, Close-to-nature stream evaluation for restoration by Kim, Dong-chan, evaluation of stream properties in korea by Park, Bong-jin. Close-to-nature evaluation by Lim, Chan-uk, that is advanced version of Park, Bong-jin's, shows form of stream including waterway curve, sand bar, diversity of flow, river bed material, diversity of minor bed, minor bed bank protection works, bank protection material. It also does environment of stream including side of minor bed vegetation, width of surface of the water/width of the river etc.. By the way, this evaluation does not have free access to apply those details above in the field, it often happens that you get various outcome from the one spot. so you must need more realistic testing method to obtain more accurate data. Remote sensing method is highly recommended because this is very useful for collecting realistic data of vegetation index. what is more, it can not only scan even the minimum area within its resolving power but also do obtain data anytime. Vegetation index indicates Ratio vegetation index, Normalized difference vegetation index, Soil adjusted vegetation index, Atmospherically resistant vegetation index etc.. The research is focusing on Cheokgwa stream which is the branch of Taehwa river and shows 19 sectioned Close-to-nature stream performed according to the method by Lim, chan-uk. Besides let you know vegetation index came from image data of satellite landsat 7 with the variation of buffering area, of the day 9. may. 2003. Of all, the outcome 0.758 at 200m buffer-zone of NDVI was the best we have got so far.

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자연기반해법 적용에 따른 강원도 양구군 해안면의 비점오염 저감 효과 추정 (Estimation of non-point pollution reduction effect of Haean Catchment by application of Nature-based Solutions)

  • 이지우;박찬
    • 한국환경복원기술학회지
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    • 제25권3호
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    • pp.47-62
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    • 2022
  • The Ministry of Environment has been working to reduce the impact on biodiversity, ecosystems, and social costs caused by soil runoff from highland Agricultural fields by setting up non-point pollution source management districts. To reduce soil loss, runoff path reduction technology has been applied, but it has been less cost effective. In addition, non-point pollution sources cause environmental conflicts in downstream areas, and recently highland Agricultural fields are becoming vulnerable to climate change. The Ministry of Environment is promoting the optimal management plan in earnest to convert arable land into forests and grasslands, but since non-point pollution is not a simple environmental problem, it is necessary to approach it from the aspect of NbS(Nature-Based Solution). In this study, a scenario for applying the nature-based solution was established for three subwatersheds west of Haean-myeon, Yanggu-gun, Gangwon-do. The soil loss distribution was spatialized through GeoWEPP and the amount of soil loss was compared for the non-point pollution reduction effect of mixed forests and grasslands. When cultivated land with a slope of 20% or more and ginseng fields were restored to perennial grasslands and mixed forests, non-point pollution reduction effects of about 32% and 29.000 tons compared to the current land use were shown. Also, it was confirmed that mixed forest rather than perennial grassland is an effective nature-based solution to reduce non-point pollution.

연어의 정치생태학: 생태관광에서 나타나는 '자연'의 생산과 보존 (The Political Ecology of Salmon: Production and Conservation of 'Nature' in Ecotourism)

  • 장한별;지상현
    • 한국경제지리학회지
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    • 제21권2호
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    • pp.139-155
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    • 2018
  • 본 연구는 양양연어축제를 통해 생태관광에서 '자연'이 '생산'되고 보존되며 이용되는 과정을 살펴보고 있다. 최근 관광지리 논의에서는 관광개발 과정에서 나타나는 자연의 신자유주의화와 이에 대한 정치생태학적 재해석이 이루어지고 있다. 한국에서는 양양군을 중심으로 연어보존이 이루어져왔고, 연어축제 역시 연어보존이 나타내는 자연의 복원이라는 상징성을 담고 있다. 그러나 연어축제는 연어의 상품화를 중심으로 이루어지고 있으며, 남대천은 연어의 생태계가 복원된 장소로 인식되기는 어려운 상황이다. 또한 연어회귀가 증가하지 않고, 축제의 외연적 확대가 어려워지면서 연어와 남대천 보존에 대한 지역의 관심은 예전과 같지 않다. 즉, 자연의 보존과 복원의 상징성을 강조하는 축제의 주장과는 달리 생태계를 위협하는 부정적인 요인들은 여전히 남아있다. 이로 인해 연어와 남대천의 보존과 관련한 행위자들 사이의 갈등이 발생하고 있으며, 이는 지역 주민들에서부터 지자체, 국가, 국제기구에 이르기까지 복잡하게 얽혀있다. 생태관광에서 이용되는 자연은 다양한 층위의 행위자들의 이해관계에 따라 선택적으로 정의되고, 이용되며, 강조된다. 이는 정치생태학 연구에서 강조되는 '생산되는 자연'의 개념이 본원적인 자연개념보다 축제의 주제로 전용되고 상품화되는 자연의 모습을 설명하는 데 유용하다는 점을 시사하고 있다.

안양천 도시하천 복원의 실행과 평가에 관한 연구 (A Study on the Application and Assessment of Urban River Restoration in the Anyang River)

  • 이삼희;최정권
    • 한국환경복원기술학회지
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    • 제10권1호
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    • pp.1-8
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    • 2007
  • The Anyang River which located in an urban area near Seoul had been managed focusing on supplying home and industrial water and preventing floods, coping with rapid industrialization and urbanization. Consequently, it was changed into a deadly river during 25 years. Its channel was straightened by concrete and water quality deteriorated to BOD 190mg/l. In addition, water quantity has been rapidly decreased and has been drying up. Also, as the river ecosystem, landscape, water-friendly function, and so forth were seriously deteriorated, people turn away from the urban river. From 2001, the master plan under the 10-year has been actively carried out centering on the preceding items, which are healthy river in which fishes inhabit, safe river free from floods and droughts, and pleasant river where citizens visit. As a result, its water quality was remarkably improved by BOD 5mg/l in 2005 and some upper zones were improved enough to allow people to swim. Moreover, various animals including fish and birds gather around the river. Now, the 'Anyang River Restoration Project' is recognized as the first comprehensive and systematic nature-friendly urban river improvement in Korea.

서울시 복원하천의 생태체험 프로그램 분석 (Analysis of the Eco-experience Program of the Restoration Rivers in Seoul)

  • 김동찬;김신원;유경민
    • KIEAE Journal
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    • 제10권6호
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    • pp.47-54
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    • 2010
  • The significant aim of this research is to suggest the applicable data for the future urban ecological restoration of rivers' activity and the direction of the future eco-experience program found by analyzing the state and progress of the restoration of the river ecological experience program. For this purpose, we researched the eco-experience program's outline and details of its operation and method from six rivers among all of the rivers going through restoration. We also carried out telephone interviews and in-depth interviews with the office staff that takes care about each river at the district office to investigate the specific details not revealed by our analysis, the number of operations, and the number of participants. We compared the number of operations to the number of participants and the frequency of participation of each river in a year. As a result, they have revealed that the participants of the eco-experience program ranged in variety including local students, families, and local citizens as a whole. Also the intimate observation and experience with nature gave the participants a better understanding of the ecosystem. In addition, it is revealed that the cheonggye river goes through its own standard of strict inspections and management daily. It is quite easy to notice that the cheonggye river shows a higher level of participation and operating activity than other rivers.

한국과 중국의 궁궐어원(御苑)의 상석(賞石) 비교연구 (A Study on the Stone Figures in the Palace Gardens of the Palaces in Korea and China)

  • 박경자
    • 헤리티지:역사와 과학
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    • 제36권
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    • pp.227-239
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    • 2003
  • Korea and China can find the common feature derived from the mutual cultural exchanges, belonging to the same cultural sphere of the East Asia. It also applies to the stone figures of the palace gardens of both countries. In case of Korea in the stone figures of the palace gardens, there are few of them existing in Kyungbok Palace, Changduk Palace, and Changkyung Palace of the Chosun Dynasty, and most of them were washed away, there are hardly any records remaining and transmitted, and there are hardly any materials of drawings and pictures of them. On the contrary, in case of China, although there are those washed away, there are vast numbers of real objects, and records and materials of them. Therefore, for the study on the stone figures of Korea, the method to analogize the research lacking regarding the stone figures of the palace gardens of Korea from those of China after conducting the comparative study between those existing and those of China, may be available. I consider that although the restoration of the palaces of Chosun Dynasty of Korea had been the restoration project oriented toward the buildings until now, it will be the phase where one should have more interest toward the restoration of the palace gardens in the future, and that the restoration of the palace gardens should be made centered on the landscape architectural structures, deviated from the restoration project attaching weight to the restoration of the trees. Above all, I consider that the interest should be turned to the restoration of the stone figures where the view toward the nature of the Orientals are expressed well. For the restoration of the stone figures in the Changduk and Changkyung Palaces, it is considered that the restoration of the rough locations and shapes is possible based on the Dongkwol Drawings being transmitted, and that the research on the shapes, characters, pedestals, characteristics, etc. of the specific stone figures is possible as far as it is based on the study of the stone figures of the palace gardens of China.

자연/자연기반 특징(NNbF) - 자연기반해법(NbS)과 비교분석 및 국내적용성 평가 (Natural, Nature-based Features (NNbF) - A Comparative Analysis with Nature-based Solutions (NbS) and Assessment of Its Applicability to Korea)

  • 우효섭
    • Ecology and Resilient Infrastructure
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    • 제10권2호
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    • pp.31-39
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    • 2023
  • NNbF는 자연 (경관) 자체나 자연 (과정)을 모방한 경관특징을 이용하여 해안이나 하천에서 홍수위험 저감 편익을 기대하고, 동시에 생태계가 주는 공급, 조절, 사회문화 서비스를 공동편익으로 기대하는 방법론이다. NNbF는 우리말로 간단히 '자연·자연기반 특징'이라 쓸 수 있을 것이다. NNbF 이전에 대두된 NbS를 포함하여 Eco-DRR, NI, GI, EwN, BwN 등 유사 개념들은 자연을 직접 이용하거나, 자연과정을 모방하여 인간사회에 편익을 기대한다는 점에서 사실상 서로 크게 다르지 않다. 다만 행위 주체와 목표의 포괄성 면에서, NbS > NNbF > (Eco-DRR, NI/GI)로 정리할 수 있다. NNbF 국제가이드라인에서 하도와 홍수터 관리 범주에서 제시된 총 18개 항목 중 국내하천 여건을 고려하면 천변저류지와 홍수터 복원 (제방 후퇴/철거, 샛강복원 등) 등의 적용성이 높아 보인다. 이 결과는 2022년 별도로 수행된 저자의 다른 연구성과와 일치한다. 특히 현재 시행중인 하천수질 보호를 위한 수변토지 매수정책과 병행하면 그 적용성은 더 높아질 수 있을 것이다.

자연형 하천 식생복원을 위한 달뿌리풀, 물억새, 솔새, 수크령의 녹화방법에 관한 연구 (Study on the Revegetation Methods of Phragmites japonica, Miscanthus sacchariflorus, Themeda triandra and pennisetum alopecuroides for the Rehabilitation of Close-to-Nature River)

  • 최규창;김남춘
    • 한국환경복원기술학회지
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    • 제2권2호
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    • pp.70-77
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    • 1999
  • This study was carried out to suggest an effective method for the rehabilitation of Close-to-Nature River and artificial wetland. The results on the revegetation methods by seeding and sodding of Phragmites japonica, Miscanthus sacchariflorus, Themeda triandra, and Pennisetum alopecuroides were summarized as follows. Seed germination of Phragmites japonica was 76.3% at $30^{\circ}C$, that of Miscanthus sacchariflorus was 68.7% at $20^{\circ}C$, that of Themeda triandra germinated 52.3% at $25^{\circ}C$, $30^{\circ}C$ constant temperature and that of Pennisetum alopecuroides germinated 86.7% at $30^{\circ}C/20^{\circ}C$ alternating temperature. Seed germination of Pennisetum alopecuroides exceeded 80% at $20^{\circ}C$, $25^{\circ}C$, $30^{\circ}C$ constant temperature and $25^{\circ}C/15^{\circ}C$ alternating temperature. At 60 days after seeding, the ground coverage of Phragmites japonica, Miscanthus sacchariflorus, Themeda triandra, and Pennisetum alopecuroides reached 81%, 81 %, 74%, and 86% respectively in the soil media of vermiculite and peatmoss(1 : 1 by volume). In the results of sod experiment, Phragmites japonica, Miscanthus sacchariflorus, Themeda triandra, and Pennisetum alopecuroides were formed sod completely in soil composition type of vermiculite and peatmoss(1 : 1, v/v). Thus this media seems to be best sad production media for rehabilitation works of Close-to-Nature River and man-made wetlands. Phragmites japonica and Miscanthus sacchariflorus were not significantly different in shoot height and the number of tillers by different planting distance for the first one year of experiment. Pennisetum alopecuroides shows high possibility to be used for Close-to-Nature River rehabilitation works by seeding.

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이야기를 통한 치유: 린다 호건의 『세상을 지켜보는 여자: 한 원주민의 회고록』 (Healing through Storytelling: Linda Hogan's The Woman Who Watches Over the World)

  • 전세재
    • 영미문화
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    • 제18권1호
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    • pp.1-21
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    • 2018
  • In Woman Watches over the World, Linda Hogan explores the broken identity of herself and her family, the issue of the poverty and the identity crisis, the alcoholism, prevalent in the Native American community and their silenced history. Previous studies have claimed that her memoir contributes to the restoration of Native American identity and history by accusing the violence of white culture, and seeks to recognize a dialogue between native culture and white mainstream culture as well. However they seem to overlook the complicated relations among story, identity, body and nature, to which Hogan as a multi-binded storyteller resorts as a way to break the silence of herself and her tribe for healing. Her own story, as a way to break the silence, becomes the formative drive to reveal the silenced history of her own tribe to lead the young generation to the future. She also understands the formative function of the story, which becomes the vehicle for embodying and connecting themselves to nature. To her, healing lies in the restoration of sympathetic relationship with nature. History, as a type of story, can be made up or mistold just like a story. There may be a blind spot where one can not assess what is true. In spite of the vision of the parallel worlds of the two cultures she presents, there seems to be no immediate solution to the discrimination against the Native American, poverty, identity crisis, and environmental problems which the Native American community faces. However, it can be said that her memoir serves as a rudder by presenting a direction to not only the Native American but also to readers in other cultures in its quest for practical possibilities for the future.

자연기반해법의 탄소저장과 생물다양성의 공동·상쇄 효과 평가 (Assessment of Co-benefit and Trade-off Effects of Nature-based Solutions on Carbon Storage Capacity and Biodiversity)

  • 김다슬;이동근;황혜미;허수정;윤석환;김은섭
    • 한국환경복원기술학회지
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    • 제27권1호
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    • pp.45-54
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    • 2024
  • This study developed a model to evaluate the co-benefits and trade-off effects between biodiversity and carbon storage capacity based on the implementation locations of nature-based solutions. The model aims to propose optimal implementation locations by using the conceptual idea of edge effects for carbon storage and connectivity for biodiversity. The co-benefits were considered by simultaneously taking into account two effects rather than a single effect. Trade-off effects were observed among optimal plans through a comparison of benefits. The NSGA-II multi-objective optimization algorithm was utilized, confirming the identification of Pareto-optimal solutions. The implementation patterns of Pareto-optimal solutions for green areas were examined. This study holds significance in proposing optimal locations by evaluating various co-benefits and trade-off effects of nature-based solutions. By advancing models based on this evaluation framework, it is anticipated that the assessment of co-benefits and trade-off effects among various benefits of nature-based solutions, such as climate change mitigation, enhancement of biodiversity, and provision of ecosystem services, can be accomplished.