• Title/Summary/Keyword: agricultural zone

Search Result 519, Processing Time 0.041 seconds

Natural Environmental Costal Zone Management Equipment Method according to Costal Zone Management Act (연안통합관리방안 제정에 따른 자연환경형 해안정비 기술수법에 관한 연구)

  • 박종화;전택기
    • Proceedings of the Korean Society of Agricultural Engineers Conference
    • /
    • 1999.10c
    • /
    • pp.365-370
    • /
    • 1999
  • The revision of domestic laws is in progress according to the UN Convention on the Law of the Coastal Zone Management . Along with it, the governmental policies related to maritime environmental preservation, especially around coastal zones and public works have been promoted based on enviornment, swiftly changed from the old function-based style. Therefore, this report will point out the important aspects which should be considered whenever there is any project on the coastal zones, suggest and classify projects of reviving the nationwide coastal zones, and show how to planning , check and evaluate the necessary technologies for reviving the coastal zones. This research will track down the coastal zone management method based on the natural enviornment as one of the necessary process to check the coastal zone enviornment for effective operating of the coastal zone management equipment method, starting on August 9, 1999, and report the technologies related with it.

  • PDF

Plans to Improve Smart Village and Its Challenges (스마트 빌리지, 그 계획과 도전)

  • Eom, Seong-Jun;Kim, Sang-Bum;Cho, Suk-Yeong;An, Phil-Gyun
    • Journal of Agricultural Extension & Community Development
    • /
    • v.27 no.4
    • /
    • pp.173-184
    • /
    • 2020
  • Is the Fourth Industrial Revolution a revolution for cities only? Through the Fourth Industrial Revolution, Korea has entered quickly in the influence area of intelligent information technology such as IoT, AI, Big data, Cloud, ICT, Digital twin. However, as the information gap between the rural zone and the urban zone worsens, a policy was needed to reduce such a gap. Therefore, this research analyzed EU's smart village project, and investigated the problem and improvement of the actual smart village through the interview and field study with the person in charge of the actual smart village project in Korea. Based on the analytic result, 5 plans were deduced to improve Korea's smart village project. First, make the realistic adjustment of project period to assure the sustainability of smart village; second, make the new establishment of the department in charge of smart village project; third, construct the system of integrating and cooperating the policy that can embrace all the rural zone and the urban zone; the fourth, expand the application area of customized ICT technology according to the new rural policy environment; and finally introduce the residents' capacity development project through the rural guidance project.

Use of Two Dimensional Electrical Resistivity Tomography to Identify Soil Water Dynamics and the Effective Plant Root Zone

  • Yoon, Sung-Won;Zhang, Yong-Seon;Han, Kyung-Hwa;Jo, Hee-Rae;Ha, Sang-Keun;Park, Sam-Kyeu;Sonn, Yeon-Kyu
    • Korean Journal of Soil Science and Fertilizer
    • /
    • v.45 no.3
    • /
    • pp.353-359
    • /
    • 2012
  • The identification of effective root zone would clarify dynamics of plant available water and soil water balance. Using the relationship between soil properties and electrical resistivity (ER) the purpose of this research is to identify soil zone affected by a plant root activity using electrical resistivity tomography (ERT) technique. Four plastic containers were prepared for two different soil textures (clay and sandy loam) and one container for each texture was selected for planting four corn seedlings (Zea mays L.) and the others were prepared for the blank. For ERT monitoring, we prepared 0.8 m plastic sticks with 17 electrodes installed with 5 cm space. The Ministing (AGI Inc., Texas) instrument for electrical resistivity measurement and semi-auto converter of electrode arrangement were set up for dipole-dipole array. During 2 months of the corns growing, ERT monitoring was made 3 to 4 days after the irrigation practice. Despite of the same amount water supplied into soils, two textures showed very different apparent resistivity values due to different clay content. The apparent electrical resistivity is consistently lower in clay loam comparing to sandy loam soil implying that plant root does not significantly alter the overall trend of resistivity. When plant root system, however, is active both soils with plants showed 2-7 times higher electrical resistivity and higher coefficient variation than soils without plant, implying the effect of root system on the resistivity, in which may caused by. This result suggests plant root activities regulating the soil water dynamics mainly control the variation of electrical resistivity over soil textural difference. Therefore the identification of water uptake zone would highly be correlated to plant root activities, thus ERT will be feasible approach to identify spatial characteristics of a plant root activity.

Effect of the root-zone temperature grown in the greenhouse on the growth of chives

  • Jung, Kwan-hui;Han, Sangjun
    • Proceedings of the Korean Society of Crop Science Conference
    • /
    • 2017.06a
    • /
    • pp.222-222
    • /
    • 2017
  • This study aimed to determine an optimal temperature of root zone for the chive cultivation in a greenhouse during the winter season that may raise the possibility of chive (Allium schoenoprasum L.) harvest any time year-round by reducing energy consumption. The maximum and minimum temperatures of root zone were 26.8 and $19.8^{\circ}C$ for the R-Z20, 28.3 and $23.6^{\circ}C$ for the R-Z25 and 22.4 and $14.3^{\circ}C$ for the control. The highest fresh weights of shoot and root, plant height, root length and stem diameter were observed in the R-Z20 treatment. There was no significant difference in the growth between the R-Z25 and control treatment. These results suggest that the optimal temperature of root zone is $20^{\circ}C$ for the chive cultivation in the greenhouse during winter season.

  • PDF

A Study on the Landscape Plan for the Sambaek Agricultural Theme Park (삼백 농업·농촌 테마공원 기본계획)

  • Kwon, Jin-Wook;Park, Chan-Yong
    • Journal of Korean Society of Rural Planning
    • /
    • v.20 no.1
    • /
    • pp.147-159
    • /
    • 2014
  • This study aims to draw up a basic plan to construct an agricultural theme park in a farming city as a way of establishing its regional identity represented by "Three Whites". Sangju, Kyongsangbuk-do which is the subject area of the study has been well-known for "Three Whites (rice, silkworm cocoon and dried persimmon)." The purpose of the study is to take a closer look at the folk life and culture of Sangju and develop tourism resources to promote regional development and competitiveness of the city. This study was conducted in several phases in consideration of the characteristics of plan and design, on the basis of the theoretical review of agricultural tourism. In the first phase, planning conditions were analyzed as per development objectives. In the second phase, strategies and concepts were established for the theme park, based on which development methods were decided by phase and facility. Then, a preliminary review was conducted on functions and facilities to introduce to the theme park. In the third phase, a comprehensive plan was drawn up, which includes basic plans for respective parts. In consideration of the characteristics of the study, construction was not looked at in detail. The total size of land subject to the study is approx. $97,960m^2$, which was divided into four separate zones--Sambaek Cultural Experience Zone, Natural Observation & Experience Zone, Agricultural Life Experience Zone and other facilities zone--in order to connect facilities, functions and experience with the physical characteristics of the city, and separate space planning was conducted for each zone. The outcome of the study carries significance as an example of alternative tourism which considers regional characteristics, develops local resources and makes use of obsolete rural facilities, in what is called the eco-friendly development where nature and eco-system, landscape and culture, and recreation and leisure come together as one.

Urban Growth of Chuncheon City Observed by Landsat Satellite Images

  • Ahn, Young-Jin;Lee, Hoon-Yol
    • Proceedings of the KSRS Conference
    • /
    • 2005.10a
    • /
    • pp.411-414
    • /
    • 2005
  • In this study, 8 Landsat(TM/ETM+) satellite images acquired from 1984 to 2002 were used to investigate the growth of Chuncheon city, Kangwon-do, Korea. The images were geocoded and classified using training set collected from field survey. Four land-use types were classified such as urban area, green zone, agricultural land and water body. It also showed rapid increase of urban area in the past two decades from 1166ha in 1984 to 3358ha in 2002. About 2182ha of agricultural land and green zone have been changed to urban area. Agricultural land was newly formed from the green zone.

  • PDF

The Change of Paleoenvironment during the Late Holocene in the Neungsan-ri Alluvial Plain, Buyeo-gun, Chungnam-Province, Korea (충남 부여 능산리 충적평야의 홀로세 후기 고환경 변화)

  • Yoon, Soon-Ock;Kim, Yae-sun;Hwang, Sangill
    • Journal of The Geomorphological Association of Korea
    • /
    • v.23 no.3
    • /
    • pp.1-11
    • /
    • 2016
  • This study estimated vegetation environment and agricultural activity during the late Holocene inferred from pollen analysis of peat on floodplain of Wangpo-cheon around Neungsan-ri, Buyeo-gun, South Korea. By result of pollen analysis of 28 horizons from Trench NS 1 and NS 4, vegetation environment during 2,300 to 1,700 yr BP was divided into Pollen Zone I (Quercus-Alnus), Pollen Zone II (Quercus-Alnus-Gramineae) and Pollen Zone III (Pinus-NAP-Gramineae). The pollen analysis suggests that agricultural activity in the Buyeo area was widely spread from the early time of the Pre-Iron Age to the late Samhan Age and buckwheat field seem to be built to substitute paddy field during the early time of the Pre-Iron Age.

The Analysis of Soil Erosion in Water-pollutant Buffering Zone of Imha reservoir using Geo-Spatial Data (지형공간정보를 이용한 임하호 수변구역 토사유실 분석)

  • Lee, Geun-Sang;Hwang, Eui-Ho;Park, Jin-Hyeog;Chae, Hyo-Sok
    • Proceedings of the Korea Water Resources Association Conference
    • /
    • 2006.05a
    • /
    • pp.908-912
    • /
    • 2006
  • Geology and terrain of Imha basin has a very weak characteristics to soil erosion, so much soil particles flow into Imha reservoir and bring about high density turbid water when it rains a lot. Especially, since the agricultural area of Imha basin is mainly located in river boundary, Imha reservoir has suffered from turbid water by soil erosion. Therefore, it is important to estimate the influence of soil erosion to establish efficient management of water-pollutant buffering zone for the reduction of turbid water. By applying GIS-based RUSLE model, this study can acquire 12.23% that is the ratio of soil erosion in water-pollutant buffering zone and is higher than area-ratio (9.95%) of water-pollutant buffering zone. This is why the area-ratio of agricultural district (27.24%) in water-pollutant buffering zone is higher than the area-ratio of agricultural district (14.96%) in Imha basin. Also as the result of soil erosion in sub-basin, Daegok basin shows highest soil erosion in water-pollutant buffering zone, second is Banbyeon_10 basin and last is Seosi basin.

  • PDF

The Influence Analysis of GIS-based Soil Erosion in Water-pollutant Buffering Zone (GIS기반 수변구역의 토사유실 영향 분석)

  • Lee, Geun Sang;Hwang, Eui Ho
    • KSCE Journal of Civil and Environmental Engineering Research
    • /
    • v.26 no.2D
    • /
    • pp.335-340
    • /
    • 2006
  • Geology and terrain of Imha basin has a very weak characteristics to soil erosion, so much soil particles flow into Imha reservoir and bring about high density turbid water when it rains a lot. Especially, since the agricultural area of Imha basin is mainly located in river boundary, Imha reservoir has suffered from turbid water by soil erosion. Therefore, it is important to estimate the influence of soil erosion to establish efficient management of water-pollutant buffering zone for the reduction of turbid water. By applying GIS-based RUSLE model, this study can acquire 12.23% that is the ratio of soil erosion in water-pollutant buffering zone and is higher than area-ratio (9.95%) of water-pollutant buffering zone. This is why the area-ratio of agricultural district (27.24%) in water-pollutant buffering zone is higher than the area-ratio of agricultural district (14.96%) in Imha basin. Also as the result of soil erosion in sub-basin, Daegok basin shows highest soil erosion in water-pollutant buffering zone, second is Banbyeon_10 basin and last is Seosi basin.