• 제목/요약/키워드: Coastal urban area

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GIS를 기반으로 한 농촌 마을습지 판별 및 분포 특성 연구 - 충남 서천군을 사례로 - (A Study on Identification and Distribution of the Village Wetland Inventory Based on GIS - Focused on Seocheon-gun Province, Chungnam, Korea -)

  • 박미옥
    • 한국습지학회지
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    • 제20권1호
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    • pp.20-26
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    • 2018
  • 본 연구는 작지만 생태적으로 가치있는 마을습지 분포를 파악하여 GIS/DB를 구축하고 보전 관리 및 현명한 이용 방안을 제시하는데 목적이 있다. 연구대상지는 전형적인 농어촌마을인 서천군으로서, 먼저 수치지형도(1:5,000)를 바탕으로 Arc-GIS를 이용하여 마을습지 가능지를 파악하였다. 또한 마을습지 관리를 위해 면적 $625m^2$ 이상인 습지와 미만인 습지로 구분하여 각각 도출하였으며, 생태권역에 따라 도심지역, 내륙지역, 해안지역으로 구분하였다. 이렇게 조사된 마을습지 가능지를 습지판별 지표에 따라 실내조사 및 현장답사를 통해 최종 마을습지로 판별하였다. 연구결과 도출된 서천군 마을습지 가능지는 570개소로서, 이를 생태권역으로 구분하면 도심지역 74개소, 내륙지역 220개소, 해안지역 276개소 등으로 나타났다. 습지판별 사례연구는 각 생태권역별로 도심지역 2개읍 중 1개읍(서천읍), 해안지역 4개면 중 2개면(비인면, 서면), 내륙지역 7개면 중 3개면(마산면, 한산면, 시초면)을 대상으로 하였다. 마을습지 분포는 면적 $625m^2$ 미만의 마을습지가 대부분으로서 소규모 마을습지에 대한 체계적 관리전략이 필요함을 알 수 있었다. 또한 내륙지역에 비해 해안지역이나 도심지역의 마을습지 판별율이 상대적으로 낮게 나타났는데 이는 내륙지역이 아직 덜 교란되었음을 말해주고 있고, 상대적으로 도심지역과 해안지역 토지이용이 빠르게 변화하고 있으며 특히 마을습지와 같이 중요성이 덜 인식된 토지들이 비교적 쉽게 훼손되고 있어 관리전략이 시급함을 알 수 있었다.

중규모 바람장 해석을 위한 Fine Mesh Model의 구성 (Composition of Fine Mesh Model for Explication of Mesoscale Wind Field)

  • 이화운;김유근
    • 한국환경과학회지
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    • 제4권2호
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    • pp.159-168
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    • 1995
  • To predict reasonably the movement and the concentration of the pollutants in the coastal area. A simulation model should be prepared considering detail topography with land-sea and the urban effects, and the resolution near the source. The explicit method can not be applied due to the instability of the numerical calculation in high horizontal-grid resolution, while the ADI scheme satisfied with the high horizontal grid resolution and can be used in the fine mesh system which shows the detail topography, atmospheric flow The ADI method which studied the high horizontal grid resolution was excellent. The two dimensional model used in the study using ADI method is proved as a reasonable model to predict the wind field in any small scale area including mountainous coastal urban area.

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연안의 선박오염배울을 포함한 부산지역의 대기오염물질 배출량 산정 (An Emission Estimation of Pollutants Including Ship Sources in the Pusan Metropolitan Area)

  • 이화운;김유근;원경미;조인숙
    • 한국대기환경학회지
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    • 제15권5호
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    • pp.587-598
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    • 1999
  • In recent years emissions of pollutants from ship sources, especially NOx and SOx, is controlled by IMO(International Maritime Organization). The emissions of pollutants from ship sources in Pusan is considerably large, because the number of ship's coming and going in Pusan port is larger than that of other ports in Korea. Since Pusan is under the strong influence of land-sea breezes, pollutants emitted from ship sources will be transported into the inland. Control of emissions from ship sources is required to devise effectively the policy of air quality management in Pusan. Therefore this paper considered the present condition of total pollutant sources and emission characteristics including in coastal urban area.

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시화호 연안습지 식생의 공간 분포 분석 (The Spatial Distribution Analysis of Coastal Wetland Vegetation in Sihwa Lake)

  • 정종철;조홍래
    • 환경영향평가
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    • 제17권2호
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    • pp.105-112
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    • 2008
  • Human activity has been the major threat to wetlands. Agriculture, industrial development, and urban and suburban sprawl have caused the greatest losses of coastal wetlands. In fact, riceland agriculture, because of the flooding that goes with it, provides some additional wetland habitat not otherwise available. The biggest current source of loss for freshwater coastal wetlands is from urban sprawl. In this study, spatial analysis method such as landscape index were applied to Sihwa area in Ansan city. The SMA (Spectral Mixture Analysis) method using Landsat image showed the change distribution of wetland vegetation from 1996 to 2004. The southern part of Sihwa wetland have been changed with Suda japonica of 24% and reed vegetation of 34% on coastal wetland which were covered with tidal flat.

지역자산을 활용한 연안정주지 활성화방안에 관한 연구 -영도대교 주변 수변지역 자산을 중심으로- (A Study on Coastal Settlement Activation Plan using Regional Assets Focusing on Waterfront Area Assets around Yeongdodaegyo Bridge -)

  • 박성은;권도헌;이석환
    • 한국산학기술학회논문지
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    • 제16권6호
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    • pp.4284-4290
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    • 2015
  • 최근 도심형 연안정주지역은 전통적인 산업기능 쇠퇴와 부동산경기 침체로 전면개발방식보다는 역사적 문화적 가치를 활용한 재생방식으로 추진되고 있다. 본 연구에서는 부산시 영도구 영도대교 주변 수변지역의 지역자산을 조사하여 물리적 사회적 경제적 자산으로 분류한 후, 이지역의 장소가치를 높일 수 있는 통합적 재생방안을 제시하였다. 첫째, 물리적 재생은 장소와 문화적 특성을 둘째, 사회적 재생은 스토리텔링을 통한 지역브랜드를 셋째, 경제적 재생은 역사 문화적 특성을 고려하여 지역 활성화 방안을 제시하였다. 이를 통한 문화관광 인프라 구축으로 지역자산 기반형 문화체험을 제공하고, 연안정주지 일원의 도시 활력 기반을 제공함으로써 지역경제와 지역 커뮤니티 활성화를 기대할 수 있다.

연안도시지역 해풍지연이 오존분포에 미치는 영향 (Effects of Late Sea-breeze on Ozone Distributions in the Coastal Urban Area)

  • 오인보;김유근;황미경
    • 한국대기환경학회지
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    • 제20권3호
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    • pp.345-360
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    • 2004
  • The late sea-breeze and its impacts on ozone distributions were investigated during April to September from 1998 to 2002, in the Busan metropolitan area (including surrounding areas) using the surface ozone concentrations (obtained at 9 monitoring sites), local meteorological variables (obtained near the shore), together with synoptic data. The urban scale ozone concentration was also simulated using the MM5/UAM-V to better understand the role of late sea-breeze in Busan. The results from observation study showed that most of the late sea-breeze occurred when weak offshore synoptic flow (northwesterly) suppressed development of sea - breeze, and the ozone concentration level and frequencies exceeding ozone standard increased with the onset time of sea breeze. We also found that the late sea-breeze clearly induces relatively weak wind speed and high temperature during the daytime As a result it enhances the photochemical ozone accumulation and delays the occurrence time of the averaged maximum ozone concentrations. The results of simulation for high ozone episode (24 August, 2001) by MM5/UAM -V revealed that the late sea-breeze interacted with weak offshore synoptic wind can contribute significantly to high ozone concentration in the coastal urban area. The simulated horizontal and vertical distribution of ozone concentration indicated that ozone can be accumulated over the sea under stagnant condition and return to the land in the late afternoon with the sea breeze, suggesting both the relationship between late sea-breeze and recirculation and the importance of late sea -breeze effects influencing severe ozone pollution in Busan.

우리나라에서 계절별 일교차의 분포 특성과 그 원인 (Characteristics of Seasonal Mean Diurnal Temperature Range and Their Causes over South Korea)

  • 서명석;홍성근;강전호
    • 대기
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    • 제19권2호
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    • pp.155-168
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    • 2009
  • Characteristics of seasonal mean diurnal temperature range (DTR) and their causes over South Korea are investigated using the 60 stations data of Korea Meteorological Administration from 1976 to 2005. In general, the seasonal mean DTR is greatest during spring (in inland area) and least during summer (urban and coastal area). The spatial and seasonal variations of DTR are closely linked with the land surface conditions (especially vegetation activity and soil moisture) and atmospheric conditions (cloud amount, precipitation, local circulation). The seasonal mean DTR shows a decreasing trend at the major urban areas and at the north-eastern part of South Korea. Whereas, it shows an increasing trend at the central area of the southern part. Decreasing and increasing trends of DTR are more significant during summer and fall, and during spring and winter. The decrease (increase) of DTR is mainly caused by the stronger increase of daily minimum (maximum) temperature than daily maximum (minimum) temperature. The negative effects of precipitation and cloud amount on the DTR are greater during spring and at the inland area than during winter and at the coastal area. And the effect of daytime precipitation on the DTR is greater than that of nighttime precipitation.

1895~1936년 부산 '남빈해안(南濱海岸)'의 공간변화 연구 (A Study on the Spatial Change of Busan Nambin Coast from 1895 to 1936)

  • 송혜영
    • 대한건축학회논문집:계획계
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    • 제35권6호
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    • pp.59-68
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    • 2019
  • The purpose of this study was to analyze the spatial change of coastal area called Nampo-dong in Busan. And then the subject of research was chiefly concentrated upon the development of southern coast and the land-reclamation based on the commercial facilities after the opening port. There were various reclamation projects in the coastal area of Japanese settlement under the Rule of Japan. Busan Nambin Coast(Currently, Nampo-dong) was one of typical reclamation projects conducted in the southern seashore. Due to the characteristic of coastal area, fishery was developed well and the entertainment industry also grew rapidly with the characteristic of the short distance of urban centre. In this study, we investigated the process of reflecting the characteristic of spatial change that were pursued by communities at that time, particularly through the establishment and change of buildings.