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      • KCI등재

        RCP 시나리오 기반 Dyna-CLUE 모형을 이용한 황구지천 유역의 토지이용변화 분석

        김지혜,박지훈,송인홍,송정헌,강문성 한국농촌계획학회 2015 농촌계획 Vol.21 No.2

        The objective of this study was to predict land use change based on the land use change scenarios for the Hwangguji river watershed, South Korea. The land use change scenario was derived from the representative concentration pathways (RCP) 4.5 and 8.5 scenarios. The CLUE (conversion of land use and its effects) model was used to simulate the land use change. The CLUE is the modeling framework to simulate land use change considering empirically quantified relations between land use types and socioeconomic and biophysical driving factors through dynamical modeling. The Hwangguji river watershed, South Korea was selected as study area. Future land use changes in 2040, 2070, and 2100 were analyzed relative to baseline (2010) under the RCP4.5 and 8.5 scenarios. Binary logistic regressions were carried out to identify the relation between land uses and its driving factors. CN (Curve number) and impervious area based on the RCP4.5 and 8.5 scenarios were calculated and analyzed using the results of future land use changes. The land use change simulation of the RCP4.5 scenario resulted that the area of urban was forecast to increase by 12% and the area of forest was estimated to decrease by 16% between 2010 and 2100. The land use change simulation of the RCP8.5 scenario resulted that the area of urban was forecast to increase by 16% and the area of forest was estimated to decrease by 18% between 2010 and 2100. The values of Kappa and multiple resolution procedure were calculated as 0.61 and 74.03%. CN (Ⅲ) and impervious area were increased by 0-1 and 0-8% from 2010 to 2100, respectively. The study findings may provide a useful tool for estimating the future land use change, which is an important factor for the future extreme flood.

      • KCI등재

        Evaluation of a Land Use Change Matrix in the IPCC’s Land Use, Land Use Change, and Forestry Area Sector Using National Spatial Information

        Jeongmook Park,Jongsu Yim,Jungsoo Lee 강원대학교 산림과학연구소 2017 Journal of Forest Science Vol.33 No.4

        This study compared and analyzed the construction of a land use change matrix for the Intergovernmental Panel on Climate Change’s (IPCC) land use, land use change, and forestry area (LULUCF). We used National Forest Inventory (NFI) permanent sample plots (with a sample intensity of 4 km) and permanent sample plots with 500 m sampling intensity. The land use change matrix was formed using the point sampling method, Level-2 Land Cover Maps, and forest aerial photographs (3rd and 4th series). The land use change matrix using the land cover map indicated that the annual change in area was the highest for forests and cropland; the cropland area decreased over time. We evaluated the uncertainty of the land use change matrix. Our results indicated that the forest land use, which had the most sampling, had the lowest uncertainty, while the grassland and wetlands had the highest uncertainty and the least sampling. The uncertainty was higher for the 4 km sampling intensity than for the 500 m sampling intensity, which indicates the importance of selecting the appropriate sample size when constructing a national land use change matrix.

      • KCI등재

        EU 토양정책 발전과 기후변화대응 위한 토지사용과 토지용도 변경에 관한 소고 (토양탄소격리를 통한)

        정혁 한국외국어대학교 EU연구소 2014 EU연구 Vol.- No.36

        With an emphasis on putting successful climate change policy measures in place, one of the 4 priorities of the EU’s 6th Environmental Action Programme, the EU’s Soil Policy is emphasizing the significance of land use and land use change in part for the mitigation of climate change and the adaptation to it. Corresponding to this, The primary aim of the paper is to shed light on logical background concerning the direction of the EU’s soil policy accentuating the land use and the land use change and put out a few of the feasible suggestions for the clear direction. The paper analyzes and elucidates the effects of soil upon climate change by making use of the concept and some logics of soil carbon sequestration for the purpose. And the secondary objective is to analyze and spell out the recent developments in Soil policy and the EU’s Soil thematic Strategy, the core of the policy, which is still underway. And the Analysis and elaboration on the EU’s current status of soil degradation caused by climate change are part of the paper’s objective too, which eventually helps in stressing the significance of the land use and the land use change. Soil carbon sequestration along with the application of a range of more activating options reduces the emissions of carbon from soil into the atmosphere and increases the contents of soil organic matter. That is, it keeps the loss and emission of soil carbon to some degree in agriculture and forestry and increases the amount of crop production by enhancing soil organic matter. The significance on the land use and the land use change under the proper management harnessing the merits of the soil carbon sequestration provides a new guidance for the EU’s climate change related soil policy. The direction should be assuring with the establishment of the EU soil framework directive and the related accounting rules regarding emissions and removals of soil carbon in land use and land use change in forestry and agriculture which are not present as of today. And subsequently, the recognition of the credits for reducing soil carbon in land use and land use change in agriculture and forestry and incorporation of the area into the European Union Emissions Trading System should be the next essential step for the clear direction. 유럽연합은 제6차 환경행동프로그램(Environment Action Programme)의 4가지 최우선 과제 중 하나인 기후변화대응방안 마련에 중점을 두고 토양정책에서도 기후변화영향 경감과 그 적응을 위해 토지사용(Land Use)과 토지용도변경(Land Use Change)의 중요성을 부분적으로 강조하고 있다. 본 논문은 이에 부합하여 토양탄소격리의 원리를 통해 EU의 기후변화대응을 위한 현 토지사용과 토지용도변경을 강조하는 새로운 EU 토양 정책의 한 방향에 관한 논리적 배경을 밝히고 그 성공적인 방향을 위한 주요제안을 제시하는 데 그 목적이 있다. 그리고 현재 이행되고 있는 EU 토양 정책 발전현황과 그 중심인 EU의 토양 주제전략을 분석하고 다양한 EU 토양악화요인들과 그 영향을 분석 제고하여 토지사용과 토지용도변경의 중요성을 강조하는 데 그 부차적인 목적이 있다. 토양탄소격리는 그 활성화 방안들과의 효과적인 적용과 함께 토양탄소의 대기로의 방출을 줄이고 토양 내 유기질을 한층 더 향상시킨다. 임업과 농업에서의 토양탄소유실과 방출을 적정선에서 방지하여 토양에서 대기로의 탄소배출을 감소시키고 유기질 증가 측면에서는 단위면적 대비 작물생산량을 증가시킨다. 토양탄소격리의 이러한 점을 이용한 유럽연합의 적절한 관리하의 토지사용과 토지용도 변경의 강조는 기후변화대응측면에서 EU 토양 정책의 한 방향을 제시하고 있다. 그 방향은 현재까지 부재중인 EU 토양정책의 기본 틀 지침(EU Soil Framework Directive)의 정립, 임업과 농업에서의 토지사용과 토지용도 변경에 따른 토양으로부터 배출되는 탄소량과 그 제거량 관련회계규정 마련과 그 후 유럽연합 배출권 거래제도의 그 탄소배출권 인정으로 인해 더욱 명확해 질 수 있을 것이다.

      • KCI등재

        로지스틱 회귀모형을 이용한 우리나라 산지면적의 공간변화 예측에 관한 연구

        곽두안 ( Doo-ahn Kwak ),박소희 ( So-hee Park ) 한국지리정보학회 2021 한국지리정보학회지 Vol.24 No.4

        본 연구는 기존 연구에서 수행된 전국 단위의 정량적 산지면적 변화량을 공간적으로 배분하여 광역시도별 산지면적 변화를 추정함으로써 지역산림계획의 수립을 지원하기 위해 수행되었다. 토지를 산지, 농지, 도시 및 기타지로 구분하고 토지이용 형태별 변화 여부를 종속변수로, 지형요소, 이용 제한요소, 사회·경제적 요소, 개발 인프라를 독립변수로 하는 로지스틱 회귀모형을 개발하였다. 우리나라 전체를 30m×30m 격자로 분할하여 각 Cell에 해당하는 독립변수 자료를 구축하였고, 로지스틱 회귀모형을 이용하여 각 토지이용 형태가 타 유형으로 변화하는 확률을 추정하였다. 추정된 토지이용 변화확률을 기반으로 변화순위 지도를 구축하였고, 연도별 토지이용 변화량을 변화 순위에 따라 순차적으로 배분함으로써 토지이용 변화의 공간적인 변화를 분석할 수 있었다. 경사도와 지자체별 개발 가능한 경사도 기준이 산지가 도시 및 기타지로 변화될 확률에 가장 큰 영향을 미쳤으며, 경사도와 개발 가능한 경사도 기준이 낮을수록, 토지가격과 인구밀도가 높을수록 산지가 도시 및 기타지로 변화될 확률이 높아졌다. 그 결과 2027년까지 수도권과 대도시의 산지가 도시 및 기타지로 변화하여 산지면적이 크게 감소하였다. 그러나 2028년 이후 2050년까지 서울, 경기, 제주를 제외한 대부분의 지역에서 산지면적이 빠르게 증가하는 것으로 예측되었는데, 이는 지방 소도시의 급격한 인구감소에 기인하는 것으로 분석되었다. 이에 중앙정부에서는 변화하는 산지면적에 대응하기 위해 산지관리 정책의 전환이 필요하고, 지자체 단위에서는 인구의 감소 정책과 그에 따른 산지를 포함한 토지의 효율적 보전 및 이용체계를 수립하는 것이 필요할 것으로 사료된다. This study was performed to predict spatial change of future forestland area in South Korea at regional level for supporting forest-related plans established by local governments. In the study, land use was classified to three types which are forestland, agricultural land, and urban and other lands. A logistic regression model was developed using transitional interaction between each land use type and topographical factors, land use restriction factors, socioeconomic indices, and development infrastructures. In this model, change probability from a target land use type to other land use types was estimated using raster dataset(30m×30m) for each variable. With priority order map based on the probability of land use change, the total annual amount of land use change was allocated to the cells in the order of the highest transition potential for the spatial analysis. In results, it was found that slope degree and slope standard value by the local government were the main factors affecting the probability of change from forestland to urban and other land. Also, forestland was more likely to change to urban and other land in the conditions of a more gentle slope, lower slope criterion allowed to developed, and higher land price and population density. Consequently, it was predicted that forestland area would decrease by 2027 due to the change from forestland to urban and others, especially in metropolitan and major cities, and that forestland area would increase between 2028 and 2050 in the most local provincial cities except Seoul, Gyeonggi-do, and Jeju Island due to locality extinction with decline in population. Thus, local government is required to set an adequate forestland use criterion for balanced development, reasonable use and conservation, and to establish the regional forest strategies and policies considering the future land use change trends.

      • KCI등재

        RCP 시나리오 기반 Dyna-CLUE 모형을 이용한 황구지천 유역의 토지이용변화 분석

        김지혜,박지훈,송인홍,송정헌,전상민,강문성 한국농촌계획학회 2015 농촌계획 Vol.21 No.2

        The objective of this study was to predict land use change based on the land use change scenarios for the Hwangguji river watershed, South Korea. The land use change scenario was derived from the representative concentration pathways (RCP) 4.5 and 8.5 scenarios. The CLUE (conversion of land use and its effects) model was used to simulate the land use change. The CLUE is the modeling framework to simulate land use change considering empirically quantified relations between land use types and socioeconomic and biophysical driving factors through dynamical modeling. The Hwangguji river watershed, South Korea was selected as study area. Future land use changes in 2040, 2070, and 2100 were analyzed relative to baseline (2010) under the RCP4.5 and 8.5 scenarios. Binary logistic regressions were carried out to identify the relation between land uses and its driving factors. CN (Curve number) and impervious area based on the RCP4.5 and 8.5 scenarios were calculated and analyzed using the results of future land use changes. The land use change simulation of the RCP4.5 scenario resulted that the area of urban was forecast to increase by 12% and the area of forest was estimated to decrease by 16% between 2010 and 2100. The land use change simulation of the RCP8.5 scenario resulted that the area of urban was forecast to increase by 16% and the area of forest was estimated to decrease by 18% between 2010 and 2100. The values of Kappa and multiple resolution procedure were calculated as 0.61 and 74.03%. CN (Ⅲ) and impervious area were increased by 0-1 and 0-8% from 2010 to 2100, respectively. The study findings may provide a useful tool for estimating the future land use change, which is an important factor for the future extreme flood.

      • KCI등재

        토지이용변화 매트릭스 구축을 위한 공간자료 간 중첩 분석: 경기도 지역을 중심으로

        최솔이,송철호,김휘진,이선정,임종수,이우균 한국기후변화학회 2024 한국기후변화학회지 Vol.15 No.1

        This study focused on the development of a land-use matrix to improve the accuracy of greenhouse gas inventories in the LULUCF (Land Use, Land-Use Change and Forestry) sector. The matrix was constructed by analyzing land-use data from Digital Forest-Type Maps (DFTM), Land Cover Maps (LCM), Smart Farm Maps (SFM), and Cadastral Maps (CDM) adhering to Transparency, Accuracy, Completeness, Comparability, Consistency (TACCC) principles. The results of our analysis showed an overlap of 3.5% and an omission of 10.3% in the sample area, mainly due to the conflation of land-cover and land-use concepts, as well as different parcel criteria. The largest overlap (24.2% of the total) occurred between the DFTM and miscellaneous land on the CDM. Similarly, omissions, which constituted 10.3% of the area, were attributed to the mixing of land-use and land-cover concepts. To address this issue, we evaluated the agreement between CDM and LCM, which was 71.3%. This indicates the need for a clear definition of land classification to ensure consistency within land-use matrices. In addition, the importance of establishing a priority ranking for land classification when using different spatial data, especially for internationally-reported areas such as forest and cropland, is emphasized. Lastly, a cost-effective NFI sampling point method can be considered for periodic updates of land-use and land-use change matrices. Considering these aspects, a land-use and land-use-change matrix should be constructed at the Approach 3 level to track land-use change for GHG inventory reporting for the LULUCF sector.

      • KCI우수등재

        토지이용 및 기후 예측자료를 활용한 미래 기저유출 분석

        최유진,김종건,이동준,한정호,이관재,박민지,김기성,임경재 한국농공학회 2019 한국농공학회논문집 Vol.61 No.1

        Since the baseflow, which constitutes most of the river flow in the dry season, plays an important role in the solution of river runoff and drought,it is important to accurately evaluate the characteristics of the baseflow for river management. In this study, land use change was evaluated throughtime series data of land use, and then baseflow characteristics were analyzed by considering climate change and land use change using climate changescenarios. The results showed that the contribution of baseflow of scenarios considering both climate change and land use change was lower than thatof scenarios considering only climate change for yearly and seasonal analysis. This implies that land use changes as well as climate changes affectbase runoff. Thus, if we study the watershed in which the land use is occurring rapidly in the future, it is considered that the study should be carriedout considering both land use change and climate change. The results of this study can be used as basic data for studying the baseflow characteristicsin the Gapcheon watershed considering various land use changes and climate change in the future.

      • KCI등재

        Evaluation of a Land Use Change Matrix in the IPCC's Land Use, Land Use Change, and Forestry Area Sector Using National Spatial Information

        Park, Jeongmook,Yim, Jongsu,Lee, Jungsoo Institute of Forest Science 2017 Journal of Forest Science Vol.33 No.4

        This study compared and analyzed the construction of a land use change matrix for the Intergovernmental Panel on Climate Change's (IPCC) land use, land use change, and forestry area (LULUCF). We used National Forest Inventory (NFI) permanent sample plots (with a sample intensity of 4 km) and permanent sample plots with 500 m sampling intensity. The land use change matrix was formed using the point sampling method, Level-2 Land Cover Maps, and forest aerial photographs (3rd and 4th series). The land use change matrix using the land cover map indicated that the annual change in area was the highest for forests and cropland; the cropland area decreased over time. We evaluated the uncertainty of the land use change matrix. Our results indicated that the forest land use, which had the most sampling, had the lowest uncertainty, while the grassland and wetlands had the highest uncertainty and the least sampling. The uncertainty was higher for the 4 km sampling intensity than for the 500 m sampling intensity, which indicates the importance of selecting the appropriate sample size when constructing a national land use change matrix.

      • KCI등재

        Evaluation of a Land Use Change Matrix in the IPCC’s Land Use, Land Use Change, and Forestry Area Sector Using National Spatial Information

        박정묵,임종수,이정수 강원대학교 산림과학연구소 2017 Journal of Forest Science Vol.33 No.4

        This study compared and analyzed the construction of a land use change matrix for the Intergovernmental Panel on Climate Change’s (IPCC) land use, land use change, and forestry area (LULUCF). We used National Forest Inventory (NFI) permanent sample plots (with a sample intensity of 4 km) and permanent sample plots with 500 m sampling intensity. The land use change matrix was formed using the point sampling method, Level-2 Land Cover Maps, and forest aerial photographs (3rd and 4th series). The land use change matrix using the land cover map indicated that the annual change in area was the highest for forests and cropland; the cropland area decreased over time. We evaluated the uncertainty of the land use change matrix. Our results indicated that the forest land use, which had the most sampling, had the lowest uncertainty, while the grassland and wetlands had the highest uncertainty and the least sampling. The uncertainty was higher for the 4 km sampling intensity than for the 500 m sampling intensity, which indicates the importance of selecting the appropriate sample size when constructing a national land use change matrix.

      • 역사지도 데이타베이스 구축을 통한 한국 비무장지대(DMZ)와 독일 그뤼네스반트의 토지이용 및 토지피복 변화 분석 (II)

        ( Oh Seok Kim ),( Marco Neubert ) 한국환경정책평가연구원 2019 기본연구보고서 Vol.2019 No.-

        본 연구는 한반도의 비무장지대(Demilitarized Zone, 이하 DMZ)와 독일의 그뤼네스반트 또는 그린벨트(Grünes Band 또는 Green Belt, 이하 GB) 일부 및 인근 지역의 토지이용 및 토지피복 변화를 비교·분석하는 것이 주된 목적이다. 비교연구를 통해 인간과 자연 간의 지속가능한 공존 가능성을 살펴보는 것이 궁극적인 목표이다. 한반도와 독일은 각각 국가 분단을 경험한 역사적 공감대가 있다. 한국과 북한 사이에는 DMZ가 1953년부터 놓여져 있어 왔고, 과거 구동독과 구서독 사이에는 ‘죽음의 띠’ 또는 ‘철의 장막’이라 불리우는 무장지대가 있었다. 1990년, 독일의 재통일 이후 해당 지역은 GB로 탈바꿈해 현재에 이르기까지 체계적으로 보존되어 왔다. 하지만, DMZ는 군사적 목적에 의해 아직 접근이 어려울 뿐이지 체계적인 보존 대책이 아직 존재하지 않는다. 전년도 연구는 한반도와 독일의 분단 상황에서의 경관변화를 분석하였다면, 금년도 연구는 활발한 교류 또는 통일 상황 하에서 예상되는 경관변화를 비교·분석하였다. 독일의 경우와는 다르게 한반도는 아직 통일이 되지 않았으므로 여기에 미래 토지이용 및 토지피복 변화를 전망할 수 있는 모델링을 적용해 미래의 상황을 체계적으로 유추할 필요가 있다. 모델링 기법 적용 시 다양한 토지이용 시나리오를 도입하면, 미래의 불확실한 상황을 모의하는데 있어 더 유리한 점이 있다. 단 하나의 경우만 고려하기에 DMZ의 미래가 너무 불분명하기 때문이다. 한편, 독일의 경우는 재통일이 된지 30년 가까이 지났으므로 변화탐지분석을 적용하여 경관변화를 분석할 수 있다. 연구질문은 아래와 같다. 첫째, 독일 재통일 이후, 25년 간 세 시점(1990, 2000, 2014년)의 토지피복지도를 근·현대지도와 위성영상에 근거해 구축하고 시계열 변화를 분석해 본 결과, 구동독과 구서독 중 어느 지역이 더욱 많이 변화하였는가? 둘째, 재통일 이전·이후의 변화 패턴이 같은가? 만약 다르다면, 어떻게 다른가? 마지막으로 셋째, 전년도에 구축한 1951년과 2015년 시점의 토지피복지도에 근거하여, 50년 이후의 DMZ 미래를 ‘현 상태 유지’와 ‘독일 그뤼네스반트’ 시나리오로 모의했을 때, DMZ의 토지이용 및 토지피복 변화는 각각 어떻게 나타나는가? 분석결과, 독일은 재통일 이후에도 구동독의 토지이용 및 토지피복 변화가 구서독보다 활발한 것으로 나타났다. 재통일 이전과 이후의 변화 패턴은 변화감지분석 결과만 고려하였을 때 별다른 차이가 없었다. 하지만, 겉으로 드러난 토지이용 및 토지피복 변화 패턴이 비슷해 보여도 문헌조사, 현지답사, 인터뷰 등을 통해 정성적으로 조사해 본 결과, 구동독의 경관변화를 야기하는 시기별 기저요인은 각기 다른 것으로 나타났다. 재통일 이전에는 공산·사회주의 체제 하의 집단농장 구축과 군사진지화로 인한 경관변화가 주를 이루었다. 재통일 이후에는 시장경제로 인하여 기존의 농지가 대농장화되면서 많은 변화가 발생하였다. 시가화지역은 재통일과 크게 상관없이 꾸준히 증가해왔고, 습지는 꾸준히 감소해왔다. 재통일 이후에 발생한 주된 변화는 크게 두 가지이다. 먼저, 과거 구동독과 구서독의 접경지역이었던 ‘죽음의 띠’ 또는 ‘철의 장막’이 GB로 변화한 것을 토지피복지도를 통해 확인할 수 있다. 그 다음으로, 이를 가로지르는 고속도로(아우토반)이 개통된 것이 커다란 변화인데, GB를 지나는 구간에 터널을 설치하여 자연환경의 훼손을 최소화한 점이 괄목할 만하다. 한반도 연구지역에 시나리오 모델링을 적용한 결과를 제시하기에 앞서, 본 연구에 사용한 토지이용 및 토지피복 변화 모델의 수리적인 알고리즘과 미래 토지이용변화 시나리오에 대한 세부적인 내용을 요약하면 아래와 같다. 모델의 이름은 Land Change Modeler(이하, LCM)로 미국 클락대학교의 지리공간정보분석연구소인 클락랩스(Clark Labs)에서 개발한 털셋(TerrSet)의 토지이용 및 토지피복 변화 시뮬레이션을 담당하는 모듈이다. LCM은 변화의 면적과 위치를 양분하여 미래의 상황을 모의한다. 면적의 총량은 마코프 체인(Markov Chain)에 근거해 전망하였고, 변화 위치 정보는 다층퍼셉트론(Multi-Layer Perceptron)을 활용하여 파악하였다. 다층퍼셉트론의 입력자료로 철도, 주요 도로, 해발고도, 경사도, 향, 토지피복 등을 고려하였다. ‘현 상태 유지(Business-As-Usual, 이하 BAU)’ 시나리오는 한반도 분단 이후로 부터 현재에 이르기까지의 토지이용 경향을 미래 상황에 투영한 것이다. 환경영향평가를 생략한 개성공단 제2,3,4지구 완공, 경의선 및 국도 제1호선 개보수 등이 여기에 포함된다. 더 나아가, 고려시대 역사유적인 나성 성곽 및 그 주변 지역과 DMZ에 행위제한 법제가 존재하지 않는 시나리오이다. 기존의 지속가능하지 않은 개발의 압력을 저감할 수 없는 상황을 의미한다. 이와 대비되는 상황인 ‘독일 그뤼네스반트(Grünes Band Deutschland, 이하 GBD)’ 시나리오는 DMZ와 고려시대 유적지에 행위제한을 설정해 해당 토지이용변화를 전적으로 지양하는 내용이 주를 이룬다. 이것은 독일의 튜링기아(Thuringia) 주정부에서 GB를 국가자연기념물(National Nature Monument)로 지정해 보존하고 있는 점을 벤치마킹한 것이고, 이는 국제적 차원에서 IUCN(International Union for Conservation of Nature) 보호지역 범주에 포함된다. 고려시대의 수도였던 개성은 2013년 다수의 문화유적지를 UNESCO(United Nations Educational, Scientific and Cultural Organization) 세계유산으로 등재하였고, 나성 성곽도 이에 포함된다. GBD 시나리오는 DMZ와 나성 성곽에 법제를 통한 엄격한 행위제한을 가정해 온전히 보존하는 상황을 가정한다. 더 나아가, 대규모 개발사업인 개성공단의 나머지 계획을 전면 백지화한 상황을 가정해 미래 토지이용 및 토지피복 변화를 모의하였다. 그 결과, BAU 시나리오 하에서는 DMZ 내에 지속해서 경관변화가 발생하는 것으로 나타나 추가적인 환경훼손의 가능성이 높아질 것으로 예상된다. 기존 개성 시 가지는 개성공단 제3지구와 연계되어 개발이 집중될 것으로 나타났다. 고려 나성성곽은 이들 지역 사이에 위치하고 있으므로 현 상태의 개발경향이 계속 유지된다면 추가적인 훼손이 불가피한 것으로 보인다. GBD 시나리오 하에서는 DMZ와 나성 성곽은 변하지 않으므로 이들과 관련해서는 추가적인 환경훼손의 가능성이 낮을 것으로 예상된다. 그러나, 법제를 통해 행위제한을 엄격하게 제한한 공간역을 벗어나면 바로 난개발이 만연할 것으로 분석되었다. 특히, 개성공단 제1지구와 DMZ 사이 지역이 개발에 매우 취약한 것으로 나타나는데, 이 지역은 개성공단 제1지구 뿐만 아니라 경의선, 국도 제1호선과도 인접해 있고 대부분이 평지로 이루어져 있어 개발하는 데 있어 유리하기 때문이다. 한편, 해당지역은 DMZ와 인접하는바 환경적으로도 민감한 지역이라고도 볼 수 있으므로 이는 개발과 보전이 상충하는 공간역의 대표적인 예시인 셈이다. 본 연구가 정책적인 측면에서 시사하는 바를 요약하면 다음과 같다. 개발을 중요하게 여기는 BAU 시나리오와 환경보존을 중하게 여기는 GBD 시나리오 모두 DMZ와 인근의 자연환경 및 역사경관을 효과적으로 보전하는 데 있어 각자의 한계점을 드러냈다. 남북 관계가 개선되는 가운데 본 연구에서 적용한 시나리오의 한계를 보완한 지속가능한 DMZ 토지이용 계획 마련이 시급하다. 미래의 계획은 최우선적으로 남북이 동의할 수 있는 내용이어야 하는바, 이를 위해서는 한국과 북한의 개발수요와 환경보전 수요를 균형있게 고려하는 것이 필수적이다. 국제연합(United Nations, UN)의 지속가능 개발목표(Sustainable Development Goals, 이하 UN SDGs)는 국제사회 차원에서 이미 합의를 본 내용이므르 UN SDGs에 명시된 틀을 활용해 DMZ와 인접 지역에 지속가능한 토지이용 계획을 마련하는 것이 필요하다. This study mainly compares and analyzes land-use and land-cover changes in the Demilitarized Zone (DMZ) on the Korean peninsula and in parts of the German Green Belt (GB). The Korean peninsula and Germany have the historical similarity that they have both experienced divisions of the state. The DMZ has been emplaced between South Korea and North Korea since 1953. In the past, there was a strongly fortified border zone called the “Death Strip” or the “Iron Curtain” between East Germany and West Germany. In 1990, after German reunification, the area was converted into the so-called “Green Belt” and is still conserved systematically to the present day. However, no systematic conservation measures yet exist for the DMZ. Our 2018 study analyzed landscape changes in the situation of the separated Korea and Germany. In this follow-up report, the landscape changes are compared and examined under the condition of reunification. Unlike in the case of Germany, the Korean peninsula has not yet been reunified, so it is necessary to apply a predictive modeling approach to forecast future land-use and land-cover changes and infer the future situation systematically. The introduction of land-use scenarios in the application of modeling techniques has the advantage of simulating multiple futures, given that the DMZ’s future is too unclear to consider only one prediction. In contrast, it has been already 30 years since the German reunification. That is, for the German case, a predictive modeling approach is not required, so a change detection analysis can be applied instead. The research questions are as follows: (1) Which part of Germany (either former East or West) has experienced more change than the other, after the reunification based on the three land-cover maps of 1990, 2000, and 2014? (2) Before and after the reunification, do the change patterns differ? If so, how? (3) Based on the Korean land-cover maps of 1951 and 2015, the two scenarios, namely “Business-as-usual” and “Grünes Band Deutschland”, are simulated for the next 50 years for the case on the Korean peninsula. How do the simulated land-use and land-cover changes of the two scenarios differ? Following reunification, land-use and land-cover changes in East Germany have been more intensive than those in West Germany. Change patterns showed little difference before and after the reunification, only when the results of the change detection analysis were considered. However, even though the patterns of landuse and land-cover changes seemed to be similar, qualitative investigations through literature reviews, field trips, and interviews showed that the underlying forces causing the changes in East Germany were different over time. Before the reunification, the land-use and land-cover changes in the East German border region were mainly caused by the establishment of collective farms and by the expansion of military border fortification under the communist and socialist regimes. After the reunification, a market economy and capitalism were introduced. The introduction changed the underlying forces, and the change triggered the conversion from older collective farming to privatized large-scale agriculture, which uses lands intensively. Besides, settlement areas have been steadily increasing, but wetlands have been steadily decreasing regardless of separation and reunification. Two major changes have been noticeable since the reunification. The changedetection analysis showed that the protective strip―or so-called “Death Strip”― was converted into a GB largely. The other major change was the opening of the highway (Autobahn) across the former border region, and, remarkably, the damage to the natural environment was minimized by installing a tunnel in the section passing through the GB. Before presenting the results of the scenario modeling application to the study area on the Korean peninsula, the details and scenarios of modeling land-use and land-cover changes are summarized as follows. Developed by Clark Labs, the Land Change Modeler (LCM), an analytical module that simulates the land-use and land-cover changes, was used to simulate the future of the study area. LCM divides land-use and land-cover changes into two components: the amount of change and the spatial allocation of change. The former was estimated based on the Markov Chain, while the latter (the spatial allocation) was identified using a multi-layer perceptron (a type of an artificial neural network). Input data include railways, major roads, elevation, slope, and aspect, in addition to the land-cover maps for two points in time. The two land-use scenarios are applied in this research and explained as follows. The Business-As-Usual (BAU) scenario reflects the historical trend of land use projected to the future. This scenario considered the pro-development tendency of the Korean peninsula. The BAU scenario includes completing the 2nd, 3rd, and 4th districts of the Kaesong Industrial Complex as planned and renovating the existing railways and major roads. It is likely that a proper environmental impact assessment will be omitted. Furthermore, this BAU scenario assumes no law enforcement regarding the conservation of the DMZ and historical castle walls. It means that the pressure of existing unsustainable development cannot be reduced. In contrast, the Grünes Band Deutschland (GBD) scenario consists mainly of setting restrictions on the DMZ and the ruins of the Goryeo Dynasty to limit the changes in land use and land cover in the region. This idea was borrowed from the state of Thuringia, Germany, as that state legally designated the GB as a National Nature Monument, which is also regarded as the protected area by the International Union for Conservation of Nature (IUCN). In 2013, Kaesong, the capital of the Goryeo Dynasty, was registered as World Heritage by the United Nations Educational, Scientific and Cultural Organization (UNESCO). The GBD scenario assumes that the DMZ and ruins of the Goryeo Dynasty are fully preserved under strict legal protection. Furthermore, we assumed that the remaining plans of the Kaesong Industrial Complex were no longer taking place. As a result, under the BAU scenario, land-use and land-cover changes continue to occur within the DMZ, which is expected to increase the possibility of further environmental damage. The existing built areas of Kaesong downtown will be expanded further as these will connect with the 3rd district of Kaesong Industrial Complex. Such a connection will lure more concentrated development than when not connected. Because the ruins of the Goryeo Dynasty are located between downtown Kaesong and the 3rd district of Kaesong Industrial Complex, further damage appears inevitable. Under the GBD scenario, the DMZ and historical sites remain unchanged because they are legally well protected, so little damage would be expected in these areas. However, unplanned development will prevail for those areas that are not under legal protection. In particular, the region between the 1st district of Kaesong Industrial Complex and the DMZ appears to be genuinely vulnerable to development. This region is flat in nature, is adjacent to existing development such as the Kaesong Industrial Complex, and is close to the major transportation network that cuts through the DMZ, connecting the two Koreas. However, this region is essential in an environmental sense because of its adjacency to the DMZ. That is, the region is a clear illustration of conflicts between conservation and development. The research outcomes demonstrate a vital policy implication. Both scenarios, whether one is pro-conservation or not, were not able to conserve the landscape of the DMZ successfully. As inter-Korean relations improve, it is critical to develop a sustainable land-use plan of the DMZ region that complements the limitations of the two scenarios applied in this research. A future plan cannot be realized without a consensus between the two Koreas, and it is essential to balance the needs of South Korea and North Korea, both conservation and development-wise. As the United Nations Sustainable Development Goals (UN SDGs) provide a compelling list of agendas and have already reached an agreement at the international level, making good use of the UN SDGs may be beneficial to both South and North Korea. If successful, we may indeed be able to come up with a sustainable land-use plan for the DMZ and adjacent areas.

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