• 제목/요약/키워드: Abandoned coal mine

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Management of Mining-related Damages in Abandoned Underground Coal Mine Areas using GIS

  • Kim Y. S.;Kim J. P.;Kim J. A.;Kim W. K.;Yoon S. H.;Choi J. K.
    • 대한원격탐사학회:학술대회논문집
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    • 대한원격탐사학회 2004년도 Proceedings of ISRS 2004
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    • pp.253-255
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    • 2004
  • The mining-related damages such as ground subsidence, acid mine drainage(AMD), and deforestation in the abandoned underground coal mine areas become an object of public concern. Therefore, the system to manage the miningrelated damages is needed for the effective drive of rehabilitation activities. The management system for Abandoned Underground Coal Mine using GIS includes the database about mining record and information associated with the mining-related damages and application programs to support mine damage prevention business. Also, this system would support decision-making policy for rehabilitation and provide basic geological data for regional construction works in abandoned underground coal mine areas.

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폐탄광지(廢炭鑛地)의 산림훼손지복구(山林毁損地復舊) 및 폐석유실방지대책(廢石流失防止對策)에 관한 연구(硏究) (Evaluation for Rehabilitation Countermeasures of Coal-mined Spoils and Denuded Lands)

  • 우보명
    • 한국환경복원기술학회지
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    • 제3권2호
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    • pp.24-34
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    • 2000
  • The project for rehabilitation and revegetation of the abandoned coal-mine lands is a very important national environmental restoration project in the view point of rehabilitation and revegetation of denuded forest-lands caused by coal mining as well as restoration of disturbed natural environment and control of the variable pollutions. In Korea, because a large number of coal mines had been developed in order to fill up abundantly consumption of coal as a major energy source in the developing period, a lot of denuded forest-lands caused by coal mining had distributed in the whole country. And, due to the absence of effective rehabilitation and revegetation works on the denuded forestlands caused by coal-mining, most of them had been remained with being damaged. In 1990, area of the abandoned coal-mine lands, requiring the rehabilitation and revegetation works, was about 1,437.1 ha. For the past ten years ('90~'99), about 1,081.8 ha out of them had been rehabilitated and revegetated, and the rehabilitation planning area was about 33.0 ha in 2000. So, remaining area out of abandoned coal-mine lands will be about 322.3 ha after 2000. In principle, after abandoning coal-mine, mine owners must carry out the rehabilitation and revegetation works on the abandoned mine lands by themselves. But, most of mine owners were in financial difficulty after abandoning coal-mine, so that principle couldn't have obtained the desired effects. To solve this problem, from 1995, Coal Industry Promotion Board (CIPB) have carried out the rehabilitation and revegetation works on the abandoned coal-mine lands at government budgets, and they have obtained good results in the construction area. However, due to application of the "conventional erosion control measures and techniques" to the rehabilitation and revegetation measures on the abandoned coal-mine lands, the results and effects of the works excuted have not been successful. Therefore, unique measures and techniques for rehabilitation and revegetation of the abandoned coal-mine lands will have to be developed, especially including development of new techniques on the soil-dressing and soil-covering, seed spray and hydro-seeding measures with seed-fertilizer-soil materials as the mechanized measures, and using of new materials for the tree planting and seedling measures.

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폐탄광 산림복구지 관리방안 도출을 위한 산림복구 후 시간경과에 따른 임분탄소저장량 평가 (Assessment of Carbon Storage Capacity of Stands in Abandoned Coal Mine Forest Rehabilitation Areas over time for its Development of Management Strategy)

  • 정문호;박관인;김지혜;지원현
    • 한국환경과학회지
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    • 제32권4호
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    • pp.233-242
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    • 2023
  • The objective of this study was to develop a management strategy for the recovery of carbon storage capacity of abandoned coal mine forest rehabilitation area. For the purpose, the biomass and stand carbon storage over time after the forest rehabilitation by tree type for Betula platyphylla, Pinus densiflora, and Alnus hirsuta trees which are major tree species widely planted for the forest rehabilitation in the abandoned coal mine were calculated, and compared them with general forest. The carbon storage in abandoned coal mine forest rehabilitation areas was lower than that in general forests, and based on tree species, Pinus densiflora stored 48.9%, Alnus hirsuta 41.1%, and Betula platyphylla 27.0%. This low carbon storage is thought to be caused by poor growth because soil chemical properties, such as low TOC and total nitrogen content, in the soil of abandoned coal mine forest rehabilitation areas, were adverse to vegetation growth compared to those in general forests. DBH, stand biomass, and stand carbon storage tended to increase after forest rehabilitation over time, whereas stand density decreased. Stand' biomass and carbon storage increased as DBH and stand density increased, but there was a negative correlation between stand density and DBH. Therefore, after forest rehabilitation, growth status should be monitored, an appropriate growth space for trees should be maintained by thinning and pruning, and the soil chemical properties such as fertilization must be managed. It is expected that the carbon storage capacity the forest rehabilitation area could be restored to a level similar to that of general forests.

폐광의 환경친화적 관광자원 개발 방안 (Environmentally Friendly Utilization of the Abandoned Mine Sites As a Recreational Resource)

  • 최용복
    • 환경영향평가
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    • 제10권1호
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    • pp.49-57
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    • 2001
  • With reducing coal mining industry the number of coal mine sites between 1988 and 1998 was dropped from 347 to 12. Since the abandoned coal mine sites have been kept without any cares, they have raised various environmental and safety problems. Then, Korean government initiated a special law in 1995 for enhancing economic conditions and solving environmental problems with promoting developmental projects in the abandoned mining sites. As a result, casino business in Chungsun area has been opened to publics, and other large-scale developments such as ski slopes and resorts are planned. In addition, Boryung area in Chungchung province also will launch a large-scale project building golf courses. Based on this developmental trend, it is expected that lots of large-scale developments in other places will be taken place. In general, the large-scale developments have caused various environmental problems, and, thus, environmental aspects should be considered in a decision-making process. This paper examine the status of the abandoned mine sites in Korea and U.S. and suggests the alternatives of its utilization.

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폐광산 주변 토양의 중금속 농도 분포에 관한 연구 (A Study on the Distributions of Heavy Metal Concentration in a Soil near Abandoned Mine)

  • 양천회;고장석
    • 한국안전학회지
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    • 제13권4호
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    • pp.186-191
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    • 1998
  • This study was investigated the distributions of heavy metal concentration in a soil near abandoned mine in Chung thong Nam Do. The abandoned mines were Gubong gold mine and Sinsung coal mine. The results were as follows : 1) The concentration of As and Pb in Gubong mine were 309.2mg/kg and 1163.5mg/kg, that is exceeded the countermeasure criteria. Cadmium concentration was 14.70mg/kg, that is exceeded anxiety criteria. But all items in Sinsung coal mine was detected below criteria. 2) The heavy metals contamination of riverbed soil by gold mine showed higher than coal mine. 3) The heavy metals contamination in the vicinal paddy and dry field soil area was higher than other mine. Arsenic concentration was 29.29mg/kg, that is exceeded the anxiety criteria as 10.22mg/kg.

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문경지역 폐탄광지 주변 산림토양의 화학적 성질 및 중금속 함량 (Chemical Properties and Heavy Metal Content of Forest Soils around Abandoned Coal Mine Lands in the Mungyeong Area)

  • 민재기;박은희;문현식;김종갑
    • 한국농림기상학회지
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    • 제7권4호
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    • pp.265-273
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    • 2005
  • 본 연구에서는 폐탄광 주변 산림의 복원을 위한 기초자료를 제공하고자 경북 문경지역에 위치한 폐탄광 중 4개의 광산을 대상으로 산림토양의 화학적 특성과 중금속 오염현황을 i.자한 결과를 보고한다 폐탄광지 산림토양의 pH는 $5.30\~6.76$의 범위에 있었으며, 대조구 지역의 토양 pH는 5.23이었다. 폐탄광지역의 산림토양 중 유기물과 전질소 함량은 각각 $4.46\~7.19\%,\;0.07\~0.15\%$의 범위에 있는 것으로 조사되었다. 평균 유효인산 함량은 삼창탄광 6.54, 봉명탄광 6.52, 갑정탄광 3.94, 단봉탄광 5.45 그리고 대조구 5.25mg/kg으로 토양 pH와 정의 상관을 가지는 것으로 나타났다. 폐탄광지역의 치환성양이온 평균 함량은 Ca 196.1, Mg 88.7, K 88.2 그리고 Na $10.2cmol^+/kg$로 나타났으며, 그 범위는 Ca $132.1\~242.1,\;Mg 24.2\~138.6,\;K 64.9\~120.8$ 그리고 Na $8\~12.2cmol^+/kg$에 있는 것으로 조사되었다 대조구 지역의 Ca, Mg, K, Na의 평균 함량은 각각 192.8, 95.8, 104 and $21.2 cmol^+/kg$로 조사되었다. 폐탄광지 산림토양의 중금속(Al, As, Cd, Cr, Cu, Fe, Mn, Ni, Pb, Zn) 함량은 대조구 산림토양보다 높은 것으로 분석되었다. 특히, Al, Mn 그리고 Pb의 함량은 대조구에 비해 폐탄광지가 아주 높은 것으로 나타났다. 폐탄광지 산림토양의 Al함량은 $397\~917 ppm$으로 나타나 식물생육에 영향을 미칠 수 있을 것으로 추정된다 그러므로 과거 석탄채굴이 활발하게 이루어졌던 폐탄광지에 대해서는 환경문제를 최소화하기 위하여 산림토양을 대상으로 한 적절한 관리가 필요할 것으로 추정된다.

Effect of Soil Ameliorators on Ectomycorrhizal Fungal Communities that Colonize Seedlings of Pinus densiflora in Abandoned Coal Mine Spoils

  • Lee, Eun-Hwa;Eo, Ju-Kyeong;Lee, Chang-Seok;Eom, Ahn-Heum
    • Mycobiology
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    • 제40권3호
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    • pp.168-172
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    • 2012
  • In this study, the effect of soil ameliorators on ectomycorrhizal (ECM) fungal communities in coal mine spoils was investigated. Organic fertilizers and slaked lime were applied as soil ameliorators in 3 abandoned coal mine spoils. One year after the initial treatment, roots of Pinus densiflora seedlings were collected and the number of ECM species, colonization rate, and species diversity were assessed. The results showed that the soil ameliorators significantly increased ECM colonization on the roots of P. densiflora. The results suggest that soil ameliorators can have a positive effect on ECM fungi in terms of growth of host plants and show the potential use of soil ameliorator treatment for revegetation with ECM-colonized pine seedlings in the coal mine spoils.

폐광 전후 삼탄 광산배수의 수질특성과 의의

  • 정영욱;강상수;임길재;홍성규;조원재;조영도;전호석;민정식
    • 한국지하수토양환경학회:학술대회논문집
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    • 한국지하수토양환경학회 2003년도 추계학술발표회
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    • pp.422-425
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    • 2003
  • This study was carried out to apprehend the variation of quality of mine drainage in the abandoned Samtan coal mine. After closure of coal mine, although still pumping, water level in underground was raised to loom and the concentration of some elements such as Fe and Mn was elevated. At present, the worst pollution source in this area is too the acidic leachate drained from uncovered mine waste impoundment. The flow rate of mine drainage from the adit is ave. about 20,000t/d. If water were flooded and deteriorated due to stopping pumping, the impact of the mine drainage on the stream around the abandoned mine would be more severe. Therefore, It is considered that the prediction of water quality of mine drainage from the adit after stopping pumping will be very important with a view to establishing countermeasures.

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석탄폐광지에서의 식생기반재 처리별 수목 초기 생육상황 비교 (Comparison of Seedling Growth by Treatments of Vegetation Basis in an Abandoned Coal Mine Area)

  • 정용호;이임균;임주훈;서경원;이충화
    • 한국환경복원기술학회지
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    • 제13권6호
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    • pp.87-96
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    • 2010
  • This study was conducted to select environmentally-friendly and low-cost mulching material that could replace soil molding which can be used to restore vegetation in an abandoned coal mine area. To this end, we established 20 experimental plots (4m ${\times}$ 10m in size) on the steep, south west-facing slope of the abandoned coal mine area in Hwangji-Dong, Taebaek City, Gangwon Province in April 2006. We planted two-year-old 1,600 seedlings (at intervals of 0.6m ${\times}$ 0.8m) of drought-resistant tree species including Betula schmidtii, Betula platyphylla var. japonica, Amorpha fruticosa, and Quercus mongolica in the plots. After planting seedlings, mulching was applied by using five different kinds of material such as HWAP (Teracotem), peat moss, straw mats, wood chips, and control (no-mulching) and the effects of different mulching material on the survival rate and growth performance were compared. Three years after planting, the survival rate was the highest in wood chip mulching, followed by straw-mat, peat moss, HWAP, and control. The survival rate was the highest in Quercus mongolica, followed by Betula schmidtii, Betula platyphylla var. japonica, and Amorpha fruticosa. Meanwhile the height growth was the best in Betula platyphylla var. japonica, followed by Betula schmidtii, Quercus mongolica, and Amorpha fruticosa. The height growth of seedlings was the best in HWAP mulching, followed by peat moss, woody chips, straw mat, and control. From an economic point of view, wood chips are considered to be the best mulching material. The results showed that mulching without soil molding and/or mixing applications would be effective for restoring vegetation in an abandoned coal mine areas.

태백지역 석탄 폐석지의 식생 복원을 위한 향토 수종 선발 (Selection of Indigenous Tree Species for the Revegetation of the Abandoned Coal Mine Lands in Taeback Area)

  • 이재천;한심희;장석성;이정환;김판기;허재선;염규진
    • 한국농림기상학회지
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    • 제4권2호
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    • pp.86-94
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    • 2002
  • 본 연구의 목적은 폐광지의 환경 친화적인 식생 복원에 이용할 향토 수종 및 내성 수종을 선발하기 위하여 탄광 폐석지에 나타난 자연 이입종과 주변 산림 식생과의 연관성을 밝히는데 있다. 강원도 태백에 위치한 폐광지 주변 산림의 식생을 조사한 결과, 소도동의 교목층에서는 9종류, 아교목층에서는 13종류, 관목 층에서는 23종류 그리고 초본층에서는 23종류가 출현 하였다. 싸리재의 경우, 교목층에서는 6종류, 아교목층에서는 15종류, 관목층에서는 31종류 그리고 초본층에서는 25종류가 출현하였다. 1차 천이적인 단계에 있는 폐석지에서 출현한 종을 조사한 결과, 소도동에서는 31종류가 자연 이입종으로 나타났으며, 싸리재에서는 30종류가 출현하였다. 폐석지에서 출현한 종은 대조구인 소도동의 45종, 싸리재의 54종보다 훨씬 적었다. 탄광 폐석지와 주변 산림에서 공통으로 출현한 수종은 소도동의 경우 박달나무 등 6종, 싸리재의 경우 거제수나무 등 4종이었다. 즉 탄광 폐석지는 주변 산림의 상층림을 형성하고 있는 수종에서 종자가 이입되어 생존을 시도하고 있는 것으로 평가되었다. 특히 싸리재의 거제수나무는 주변 산림과 폐석지 경계부터 군집을 형성하고 있어 식생의 주변 효과를 나타냈으며, 소도동에서는 박달나무 등의 종자가 이입되어 자연적인 식생 복원이 이루어지고 있었다. 이러한 결과로 미루어 볼 때 교란된 지역에서의 식생 복원은 주변 산림 구 성종과 밀접한 관계가 있는 것으로 추정되었다.