• 제목/요약/키워드: Land information management

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Assessment of Land Cover Changes from Protected Forest Areas of Satchari National Park in Bangladesh and Implications for Conservation

  • Masum, Kazi Mohammad;Hasan, Md. Mehedi
    • Journal of Forest and Environmental Science
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    • v.36 no.3
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    • pp.199-206
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    • 2020
  • Satchari National Park is one of the most biodiverse forest in Bangladesh and home of many endangered flora and fauna. 206 tons of CO2 per hectare is sequestrated in this national park every year which helps to mitigate climate issues. As people living near the area are dependent on this forest, degradation has become a regular phenomenon destroying the forest biodiversity by altering its forest cover. So, it is important to map land cover quickly and accurately for the sustainable management of Satchari National Park. The main objective of this study was to obtain information on land cover change using remote sensing data. Combination of unsupervised NDVI classification and supervised classification using maximum likelihood is followed in this study to find out land cover map. The analysis showed that the land cover is gradually converting from one land use type to another. Dense forest becoming degraded forest or bare land. Although it was slowed down by the establishment of 'National Park' on the study site, forecasting shows that it is not enough to mitigate forest degradation. Legal steps and proper management strategies should be taken to mitigate causes of degradation such as illegal felling.

u-GIS National Land Information Providing System (u-GIS 국토정보 제공 시스템)

  • Kim, Jae-Chul;Lee, Kyu-Chul
    • Journal of Korea Spatial Information System Society
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    • v.11 no.1
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    • pp.1-8
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    • 2009
  • The u-GIS national land information providing technology is the technology which maximizes the application of u- GIS data through the national land information platform technique of the next generation web and provides a user with the on-demand national land information in the ubiquitous environment. Recently, as the environment emphasizing the web as a platform 'Web 2.0' emerges, the where 2.0 which is paradigm is diffused in the spatial information area. And the Geo-spatial Web technology develops in a center. Moreover, it is changed to the open platform of the user participation trend. And the consumer of the geo-spatial information is changed to the end-user center from the public institution. The geo-spatial technique is technologically faced with the new challenge. In this paper, we analyze the technical tendency about a paradigm, And we present the u-GIS national land information platform technique, the u-GIS national land information visualization technology, the u-GIS national land information GeoDRM integrative technique, and the u-GIS national land information mobile application technology as the essential elemental technology for overcoming this.

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The Compensation Cost Analysis of Parcels for Land Alternation according to Occupation Ratio to Road (도로 편입률에 따른 토지이동 대상필지 보상비 분석)

  • Lee, Geun Sang;Park, Jong Ahn;Cho, Mi Su;Cho, Gi Sung
    • Journal of Korean Society for Geospatial Information Science
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    • v.22 no.1
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    • pp.13-22
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    • 2014
  • Recently, many civil appeals have been occurred in land management work because of discord between cadastral records and actual land use pattern. it is important to select parcels for land alternation exactly using land information and to evaluate compensation cost according to scenarios for advancing this problem. This study operated GIS spatial overlay based on serial cadastral maps and actual-width of the road and analyzed the number and area of the parcels for land alternation by the land classification and ownership applying fuzzy membership function according to occupation ratio to road. Also compensation cost was calculated according to scenarios using individual public land price information of the parcels for land alternation and was arranged by district as Eup and Myeon according to land classification and ownership. This study can efficiently support the work of the parcels for land alternation complying with the financial condition of local government, by supplying compensation cost according to scenarios to the parcels of land alternation by district as Eup and Myeon.

New Landscape of Poverty Management in Land Information System (토지정보를 이용한 빈곤관리의 모델)

  • Liou, Jae-Ik;Oh, Min-Soo;Shin, Young-Chul
    • Journal of the Korean Association of Geographic Information Studies
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    • v.5 no.1
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    • pp.1-19
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    • 2002
  • Estimation and indication for spatial distribution of living quality and poor condition associated with land and house's access as a basic human need has been imperative questions and predicaments while it is required to boost digital economic development and consolidate social maturity. Although modern IT and sophisticated GIS/LIS technologies are used to examine spatial analysis of population location-patterns, land uses and development, and environmental degradation, etc, it still might remain immature step to figure out the causations and results of poverty in space and time. In this research, a new approach to poverty management is explicated by using 6 parameters as a major tool for assisting poverty monitoring concerning the poor who are very unpredictable in space and could be regarded as renegades in the Internet age. In addition, it expounds a new approach and conceptual idea for poverty management to notify spatial location of the digital divide when poverty reduction is closely concerned with sustainable goal of land information.

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Farm-map Application Strategy for Agri-Environmental Resources Management (농업환경자원관리를 위한 팜맵 활용전략에 관한 연구)

  • Wee, Seong-Seung;Lee, Won-Suk;Jung, Nam-Su
    • Journal of The Korean Society of Agricultural Engineers
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    • v.64 no.3
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    • pp.1-8
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    • 2022
  • In this study, a farm map utilization strategy for sustainable agricultural environmental resource management was derived. In addition, it is intended to present an efficient method of providing farm map-related services. As a result of the demand survey, the additional information required for the farm map includes 29% of information on crops grown on farmland, 21% of management-related information such as the owner or business entity, 17% of topographical information including slope, 15% of agricultural water information, 17% of land status information, and the addition of functions. 2% was investigated. As a result of intensive interview survey, it was found that it can be used for information on crops cultivated by agricultural businesses, actual cultivated area by township, arable land consolidation division boundary, and management of agricultural promotion zones. The farm map can be used as basic data to efficiently manage agricultural environmental resources. Since the status of support for individual farms or lots, such as soil improvement agent support and organic fertilizer support, may belong to personal information, it can be processed and provided in units required by administration or policies, such as administrative boundaries, subwatersheds, and watersheds. It can serve as a basis for executing the direct payment currently supported only by individual farms, even in a community unit that manages environmental direct payments.

A Study on the Evaluation of Urban Land Use by Urban Land Use Information System (도시토지이용정보체계에 의한 도시토지이용평가에 관한 연구)

  • 고준환
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.14 no.1
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    • pp.97-110
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    • 1996
  • The purpose of this study is to evaluate the urban land used by the Urban Land Use Information System (ULIS) which can supply the micro-level land usc information for the understanding of micro-level urban spatial structure and district-level planning and managements(such as urban design, redevelopment planning and district-level transportation planning, etc.). The study evaluates the current situation of urban land use database and suggests the prototype of urban land use database using GIS. The planning and management of post-modern city which has characterized by diversity and the mixture of land use, need more detail and quantitative information about land use. Recent redevelopment and reconstruction of existing physical condition are increasing the density of activity. It raises urban problems such as the shortage of infrastructure and traffic congestion, etc. In this process we need to construct information system which monitors current land use situation.

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The Study on Legal and Institutional Improvement to the Acquisition and Sharing of Land Monitoring Data (국토모니터링 자료취득 및 공동활용 개선을 위한 법제도 개선 방안 연구)

  • Lee, Suk-Min;Jo, Seon-Hui
    • Spatial Information Research
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    • v.19 no.6
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    • pp.29-41
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    • 2011
  • Recently, the importance of systematic Land-monitoring has been emphasized. The existing Law does not include any definitions or regulations of monitoring. Although there exist laws regarding examining and measuring the current status of region, utilization, distribution, share, security and management of the data need to be improved. In order to upgrade the Land-monitoring system, several tasks such as terms, building cycle, forms, scope, management team should be well-defined. In this study, problems of the Land-monitoring is investigated by understanding the legislation in the land planning system and its operating system. The setting of the land-monitoring concept in Framework Act on the National Land and revision of specific laws in this field were introduced. Finally, new Land-monitoring legislation covering the improvement of the data-acquisition and co-utilization were suggested.

Assessment of Agricultural Environment Using Remote Sensing and GIS

  • Hong Suk Young
    • Proceedings of the Korean Society of Crop Science Conference
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    • 2005.08a
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    • pp.75-87
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    • 2005
  • Remote sensing(RS)- and geographic information system(GIS)-based information management to measure and assess agri-environment schemes, and to quantify and map environment indicators for nature and land use, climate change, air, water and energy balance, waste and material flow is in high demand because it is very helpful in assisting decision making activities of farmers, government, researchers, and consumers. The versatility and ability of RS and GIS containing huge soil database to assess agricultural environment spatially and temporally at various spatial scales were investigated. Spectral and microwave observations were carried out to characterize crop variables and soil properties. Multiple sources RS data from ground sensors, airborne sensors, and also satellite sensors were collected and analyzed to extract features and land cover/use for soils, crops, and vegetation for support precision agriculture, soil/land suitability, soil property estimation, crop growth estimation, runoff potential estimation, irrigated and the estimation of flooded areas in paddy rice fields. RS and GIS play essential roles in a management and monitoring information system. Biosphere-atmosphere interection should also be further studied to improve synergistic modeling for environment and sustainability in agri-environment schemes.

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A Study on the Construction of 3D Cadastral Information by Mobile Mapping System (차량 기반 멀티센서 측량시스템을 이용한 3차원 지적정보 구축에 관한 연구)

  • Min, Kwan Sik;Kim, Jae Myeong;Park, Byung Moon
    • Spatial Information Research
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    • v.22 no.1
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    • pp.1-7
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    • 2014
  • In this paper, we suggested plan that utilize the mobile mapping system data for constructing 3D cadastral information of roads and buildings effectively. 3D cadastral information means conflation of existing cadastral information and spatial information. It also means 3D land management that can register and manage various spatial information with land information effectively. Technically, geometry information and attribute information by image or radar scanner and location information of geographic features calculated by GPS/INS integration technology are useful for constructing 3D cadastral information included in buildings and features on the ground. As a result, the application of mobile mapping system for constructing 3D cadastral information will make a scientification and enhancing of the land information.

Study on the Basic Ways for Propulsion of Land Consolidation Project -Laying Stress on Rural Integral Development (耕地整理事業의 推進 基本方向에 관한 調査硏究 -農村整備를 中心으로-)

  • Kim, Choul-Kee
    • Magazine of the Korean Society of Agricultural Engineers
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    • v.34 no.2
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    • pp.21-39
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    • 1992
  • Many problems were found out the remarkable unbalance between paddy fields and up-land areas, or between plain and mountainous areas, unreasonable establishing of land consolidaton boundaries without consideration of rural development, lower leverl of construction technology of the roads and canals for agricultral use ad operation and maintenance of them by human power far apart from the ages of high technology, high information and free internationalisation, and too slow progress to overcome the weak agricultural circumstances etc. through the survey in the past executed land consolidation projects. The basic ways for solution of these problems for propulsion of land consolidation project through investigation are summarized as follows : 1. Land consolidation project should be executed to the direction of balanced regional development, laying stress on the upland and mountainous areas in order to carry out the agriculture effectively. 2. the acreage of land consolidation project to be conducted anually should be increased to overcome the serious underdeveloped agricultural development. 3. It should be developed to the way in accordance with the order of land use from the view point of rural integral development including the rural readjustment. 4. The level of the structures of road and canal, the size of standard lot and the grouping of land substitution should be to incraese the productivity of land and labour more than ever and reached to a degree in cope with the age of industrialization, information and free internationalisation. 5. The level of the management of agricultural water use and the maintenace of the various facilities should be developed to be automatization, remote control, central control and information processing instead human work. 6. Land substitution should take a measure of grouping method in accordance with the agricultural plan and farming organization, which can overcome high industrialized society in place of the substition by origin land. 7. Land consolidation project should be planned in order to fulfil a conservative function of ecosystem and resources together with improvement of land and labour productivity.

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