• 한국해양공학회지
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• 제24권1호
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• pp.68-75
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• 2010

Recently, the intensity and frequency of typhoons have been on the increase due to unusual weather phenomena and climate change. In particular, on September 13, 2003, typhoon MAEMI (0314) caused heavy damage in the provinces of Busan and Gyongnam, but also provided an opportunity to perform a variety of studies on storm surge. According to investigation reports on the damage resulting from typhoon MAEMI, the areas where coastal inundation occurred were located in reclaimed land under coastal development. In this study, through an image data analysis of historic and present day typhoons affecting Masan, we found that the inundation damage areas corresponded to reclaimed lands. Therefore, using the area around Busan, including the southeastern coast of Korea where typhoons lead to an increased storm surge risk, we performed a storm surge/inundation simulation, and examined the inundation effect on reclaimed land due to the intensified typhoons predicted for the future by climate change scenarios.

• 한국해안해양공학회지
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• 제12권1호
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• pp.27-38
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• 2000

항만시설에서 발생하는 지진에 의한 피해의 대부분은 매립지반의 액상화에 기인하는 것으로 알려져 있다. 국내 대형 항만의 안벽은 대부분 중력식 안벽으로 설계·시공되고 있으며, 이러한 중력식 안벽은 조성된 배후 지반이 액상화에 취약하여 지진 발생시 액상화로 인한 대규모의 파괴가 발생한 사례가 많이 보고된 바 있다. 이번 연구에서는 현재 건설 중인 대형 항만의 안벽 배후지에 대한 액상화평가를 실시함에 있어서 일관되고 합리적인 시험과 평가과정을 통해 액상화에 대한 지반의 안정성을 검토하였다. 또한, 국내 시방서에서 사용하고 있는 액상화예측 모델과 일본 시방서에사 사용하고 있는 액상화예측 모델을 각각 적용하여 그 차이를 검토하였다.

• 한국습지학회지
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• 제7권1호
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• pp.93-106
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• 2005

본 논문은 시화호 간척지의 지속가능한 개발을 위하여 이해당사자들이 의사결정과정에 참여하기 위한 체제와 구조, 그리고 절차를 개발하고자 시화호 유역에서 연안통합관리를 시행하는 과정에서 얻어진 문제점과 한계에 관하여 논하였다. 수질개선과 환경복원을 위해 2001년 수립된 시화호 종합관리계획의 시행평가를 통해 통합관리계획의 수립과 시행간의 격차를 감소시키기 위한 유용한 지침을 제공하고자 하였다. 시화호 간척지의 토지이용방식에 대한 이해당사자간 갈등을 해소하는 것은 이 지역의 연안통합관리에 가장 중요한 문제 중의 하나이다. 이를 위해서는 과학적인 평가를 통한 의사결정지원도구와 이해당사자의 관리역량을 강화하기 위한 프로그램을 마련하는 것이 시급하다.

• 한국조경학회지
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• 제31권6호
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• pp.53-63
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• 2004

Planting models for restoration forest on the seaside have been demanded because coastal reclaimed land has increased for habitation sites, industrial complexes and new towns on the west seaside of Korea. The planting models have to consider endurance for bad environmental conditions in order to make a role to protect the urban space against the extreme seaside environment. The dominant species, relative impotance value, individuals and species number were analysed in natural forests that were exposed to extreme seaside conditions in Deokjeok island and Younghung island, Incheon. The native species such as Pinus thunbergii and Pinus densiflora, which survive on the seaside, were mainly recommended because the coastal reclaimed land had extreme environmental conditions. Stable vegetation structures could be made by multi-layer planing by using these species. A diverse vegetation community could be made according to these planting models. The maritime forests made by these planting models might be more effective for environmental adaptation and a windbreak forest than alone tree, and the young trees below 3m height could easily adapt to these conditions.

• 한국지반공학회:학술대회논문집
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• 한국지반공학회 2004년도 춘계학술발표회
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• pp.219-226
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• 2004

We measure subsidences occurred in a reclaimed coastal land, Noksan industrial complex, by using JERS-1 SAR (1996-1998) and RADARSAT-1 SAR (2002-2003) dataset. SAR with a high spatial resolution (about several or several tens meter) can reveal the two-dimensional distribution of settlement that would be bardly estimated from in situ measurements. The DInSAR results show significant deformation signal associated with soil consolidation. Accuracy of the settlements estimated by 2-pass differential interferometry (DInSAR) is evaluated using the measurements of settlement gauge. A two-dimensional subsidence map is constructed from 7 qualified pairs. Comparing the JERS-1 radar measurements with the ground truth data yields the correlation coefficient of 0.87 (RMSE of 1.44 cm). The regression line shows the gradient of 1.04 and intercepts close to the origin, which implies that the unbiased settlement can be measured by DInSAR technique. The residual settlements are also detected from RADARSAT-1 pairs. The extent and amount of the settlements are matched well with ground truth data.

• 한국농공학회논문집
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• 제50권4호
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• pp.39-50
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• 2008

A study on fugitive dust dispersion was conducted at Saemanguem reclaimed area located at the west coastal area of Jeon-buk Province Total reclaimed area is 40,100ha developed by building a 33km long sea dike through Gunsan, Gimje, and Buan. (Land: 28,300ha, Fresh Water Lake: 11,800ha) After this area was completely reclaimed in 2006, there has been high possibility of dust generation and dispersion to the neighboring area. The dust generated at the reclaimed land was composed mainly of minerals with high salinity, and it could make harmful effect on crop production as well on to human's health such as eye irritation and respiratory disease. Especially, when those aerosol particles are reached on the leaves of farm crops, the photosynthesis and respiration of the plants can be under restraint resulting in the decrease of agricultural productivity of the nearby farm areas. Furthermore, highly concentrated salty particles can directly damage the leaf cells. In this study, field experiment has been conducted to regularly measure the locally suspended dust particles and analyze how they were dispersed to the neighboring areas. The collected dust particles were analyzed to examine theirs sizes, concentrations, and components. The SPSS statistical program was also used to separate the dust concentration generated by the reclaimed land from the total dust concentration measured at the measuring locations.

• 한국해안·해양공학회논문집
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• 제21권5호
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• pp.371-379
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• 2009

본 논문은 매립지에서 과거의 해안선을 산정하는 방법과 문제에 대하여 논의하였다. 우리나라 해안토지의 미등록 실태는 공유수면 매립 시 복잡한 토지소유권 분쟁을 초래할 수 있다. 과거의 해안선은 지적경계와 달리 해안선 정의에 대한 제도적 미흡과 더불어 해안선 변화의 특성으로 인하여 다양한 위치의 해안선이 제시될 수 있으며, 이는 해안빈지 및 포락지의 면적 산정에 직접적인 영향을 미친다. 안정국가산업단지에 대한 사례연구를 통하여 이러한 문제를 저감할 수 있는 체계적인 해안선 조사 방법을 제시하였다. 해안선 변화가 없는 암반해안을 대상으로 매립 이전에 촬영된 항공사진을 이용하여 조위에 근거하는 해안선을 산정하였다. 이를 지상 지형 측량 성과와 비교한 결과, 항공사진측량에 의한 해안선의 정확도는 신뢰할 만한 수준이었다.

• 한국환경과학회지
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• 제18권4호
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• pp.451-462
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• 2009

A study on vegetation in the Mangyeong River and Dongjin River basins and the surrounding regions of the Saemangeum Reclaimed Land was conducted in a series of efforts to determine the expected ecological changes in the salt marshes, to restore their vegetation, to explore the restoring force of halophyte, to examine the community mechanism and, ultimately, to rehabilitate marshy land vegetation along the lakeside, coastal dune and salt marshes of the Saemangeum Project Area. The findings of the study may be summed up as follows: Five species such as Suaeda japonica, Salicornia herbacea, Atriplex gmelini, Aster tripolium and Suaeda asparagoides that are mostly distributed in the estuary of the Saemangeum Reclaimed Land were analyzed to examine the mechanism of halophyte to maintain their community. To find out the strategies of plants for survival and the cause of forming community structure, a research was made as for appearance ratio of young sapling. From the results of laboratory analysis into dynamics of the saplings of halophyte, it was revealed that the germination ratio of the dry area and submerged area decreases in the order of Suaeda asparagoides, Suaeda japonica, Salicornia herbacea, Atriplex gmelini and Aster tripolium.

• The Korean Journal of Ecology
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• 제14권3호
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• pp.327-343
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• 1991

Clonal growth and rhizome architecture of calmagrostis epigeios, were studied in a 15-year old coastal reclamed land. As c. epigeios patch grew from center to margin radially over time, concentric annuli were added. the radial increases of the mature patch were 80~130cm/yr. the patch ages of c. epigeios estimated by relationships between the diameter and is radial increament, were 1~6year old. There were the marked variations of density, phytomass, shoot height and inflorecence frequency with increasing age of rhizome system within the patch. the maximum performance occurred at 2-year-old concentric annuli of the patch. The growth phasic continuum with aging was divided into 5 grwth phases ; pioneer, building, matyre, senile and degenerate. The rhizome aging had a more significant effect on the inflorescence frequency than on the other attributes. new rhizomes tended to diverge from the direction of the parent ramet by sympodial growth. in a 1-year-old patch, average length of rhizome segment was 7cm, average number of internode was 6, and the tillering frequency was 27%. The tillering in the early stage resultd in the increase of shoot density and the producation of multibranching rhizome. as the result of that, circular patchwas formed in a year. The branching structure based on such facts was represented graphically in branching degree of 60 and 100. therefore, c. epigeios with clonal growth may establish and grow vigorously earlier than other glycophytes in high salt conditions such as the coastal reclaimed land.

• 한국지구물리탐사학회:학술대회논문집
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• 한국지구물리탐사학회 2006년도 공동학술대회 논문집
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• pp.277-280
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• 2006

다수의 공업단지가 갯벌을 매워 조성된 간척지 위에 건설되었다. 공업단지들이 이렇듯 연약한 지반 위에 있기 때문에 지반침하에 의한 영향을 받을 가능성이 클 것으로 생각된다. 지반침하를 관측하는 일은 공공 방재를 위해서도 필요한 일이다. 본 연구에서는 새롭게 개발된 지표 변위 관측 기법인 영구산란체법(PSInSAR technique)을 이용하여 인천항 연안에서 10여 년 전 발생했던 지표변위를 관측하였다. 해당 지역은 이미 20년 전에 간척이 완료된 지역임에도 불구하고 6년 동안 상당한 변위가 관찰되었다. 지반침하 속도가 최고에 달하는 곳은 3mm/년에 이르기도 했다. 연구에는 JERS-1의 자료가 사용되었다.