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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of the Korea Society of Environmental Restoration Technology
Journal Basic Information
Journal DOI :
The Korea Society of Environmental Restoration Technology
Editor in Chief :
Volume & Issues
Volume 7, Issue 6 - Dec 2004
Volume 7, Issue 5 - Oct 2004
Volume 7, Issue 4 - Aug 2004
Volume 7, Issue 3 - Jun 2004
Volume 7, Issue 2 - Apr 2004
Volume 7, Issue 1 - Feb 2004
Selecting the target year
A Study on the Field Survey of Plant Species of Elementary School -The Case Study on 10 Elementary Schools in Chungju City-
Yoon, Yong-Han ; Kim, Won-Tae ;
Journal of the Korea Society of Environmental Restoration Technology, volume 7, issue 6, 2004, Pages 1~11
This study was conducted to investigate the plants status of the landscape plant species of 10 elementary schools in the Chungju city, and to obtain the fundamental informations for proper use of planting system in the elementary school landscape. The results are summarized as follows : 1. 199 species were planted in the 10 elementary schools, It was constituted 89 of woody plants, 108 of herbaceous plants and 2 of others. The average number of plants per school was about 60 species. The rate of plants species of Evergreen Trees to the Deciduous was 23 : 60 and the rate the trees to the shrubs was 59 : 24. 2. Almost the same species were planted in school landscaping zone. Juniperus chinensis var. kaizuka, Ginkgo biloba, Zelkova serrata were mainly planted in the species of trees. To improve the present conditions of school landscape should be considered for the purpose of function and the aspect of ecology. 3. To see the selected school trees and flowers, Zelcova serrata was selected to the school tree in the 4 of schools. Ginkgo biloba was selected 3 of schools, the others were Juniperus chinensis Pinus densiflora, etc. Rhododendron lateritium was appointed to the school flower in the 6 of schools, the others were Rosa spp., Forsythia koreana etc. To set the school tree and flower consider the preserved trees of the community.
A Study for Making Planting Ground and Irrigation System for Greening Artificial Ground of Planter Type
Kim, Sun-Hae ;
Journal of the Korea Society of Environmental Restoration Technology, volume 7, issue 6, 2004, Pages 12~18
This study is to make plans for perpendicular greening with artificial ground of planter type to improve urban environment. The experiments of this study are performed to find out the suitable soil and irrigation method for artificial ground of planter greening. Thereupon, organic or inorganic soil improvement material is mixed with soil of each planter as experiment, In result, the plants in soil mixed organic soil improvement material thrive rather than that in soil mixed inorganic material, It is to be desired that the planter equip with the irrigation system, be wider than planter and be planted shrubs for positive plant growth. As for irrigation system, drip irrigation is effective on plant growth southern exposure but Ebb and Flow is effective eastern exposure. Therefore, irrigation system should consist of two types above plus keeping water on the bottom of planter to save water and store rainwater.
Case Study of Environmental Segmental Retaining Wall(SRW) Using Greenstone Block
Han, Jung-Geun ;
Journal of the Korea Society of Environmental Restoration Technology, volume 7, issue 6, 2004, Pages 19~28
Segmental Retaining Wall(SRW) has been variously applying in Civil and Architecture construction. Recently, the application of environmental element in all type's structures came to essential requirement, and the construction cases of retaining wall using reinforced soil and block are more increased than the past. But, this trend more widely was spread environmental element as landscape work for the backside of reinforced retaining wall as well as block itself. New environmental block, Greenstone Block, developed to apply of this tendency. The retaining wall system using Greenstone can be environmental constructing at both block itself and backside of retaining wall. The material tests, the axial compressive strength test of block and bending test of fiber-pipe, exercised to design and construction of vertical SRW, which were satisfied NCMA standard. Through this procedure, Rewall (ver 1.0) was developed, which can be automation design of SRW including internal stability, external stability and local stability. And these can be considered setback of retaining wall, as well the examples of vertical retaining wall using block presented to satisfying the follows; strength of reinforced geotextile, height of retaining wall, surcharge, types of backfill and groundwater level etc. Many problems investigated on after or before of construction were due to local failure, insufficiency of bearing capacity and groundwater level. Especially, the local failure was many occurred to during compaction or after construction, and the cases of SRW construction is similar to the results of model test on vertical SRW.
A Study of Effective Methods for the Formation of Calluses on Trees after Surgical Operation
Ha, Tae-Joo ; Lee, Jae-Keun ; Kwon, Oh-Bok ;
Journal of the Korea Society of Environmental Restoration Technology, volume 7, issue 6, 2004, Pages 29~38
This study validated the effect of Vaseline and the vegetable hormone-added medicine that can influence the formation of new calluses on the injured part, with the subjects of natural monument trees and large old trees. The medicines can help in the treatment of the pored or injured parts and promote the formation of new callus on natural monument trees and large old trees, which can help vigorous growth activities and prevent any secondary infection by pathogens at the same time. It turned out that the Vaseline that is used for the protection of cambiums after surgical operations on the trees did not have any significant effect on the formation of calluses. However, since it was found that new calluses formed rapidly when applying the medicine using a vegetable hormone, the medicine is highly recommended for use. If further studies should determine proper medicines for the trees according to the kinds of trees and if the medicine is applied in proper concentrations to the injured part for rapid formation of calluses on the trees when the trees undergo surgical operations, it then should be helpful in preventing the sound part(s) of the trees from decay caused by secondary infection and treatment of the injured part.
Prediction of the Volumetric Water Content Using the Soil-Water Characteristic Curve on an Unsaturated Soil
Song, Chang-Seob ;
Journal of the Korea Society of Environmental Restoration Technology, volume 7, issue 6, 2004, Pages 39~48
The purpose of this paper was to confirm the application of the equation of the soil-water characteristic curve on an unsaturated soil. To this ends, a series of suction test was conducted on the selected 4 kinds of soil which is located in Korea, using the modified pressure extractor apparatus. And it was carried out to analyze the experimental parameters which can describe the soil-water characteristics, were determined by using the data obtained from the experiment. From the results, it was found that the matric suction was varied according to the grain size distribution, amount of fine grain particle and void ratio. Also it was found that the residual volumetric water content was decreased with the void ratio, but the index related air entry value, the soil parameter related water content and the parameter with residual water content were increased with the void ratio. And the application of equation of the soil-water characteristic curve was confirmed for the various conditions and the various state by the comparison between the volumetric water content measured by the experiment and the predicted values.
Growing Response of Cyrtomium falcatum and Rumohra aristata Indoor as Influenced by Light Quality Treatment
Bang, Kwang-Ja ; Ju, Jin-Hee ; Kwon, Min-Hoon ;
Journal of the Korea Society of Environmental Restoration Technology, volume 7, issue 6, 2004, Pages 49~53
This study was aimed to promote evergreen ferns native to Korea as a material for interior landscape by investigate effects of light quality on the growth of Cyrtomium falcatum and Rumohra aristata, in an indoor environment that artificial light was used, especially. Result of experiments are as follows; 1. Wavelengths were measured as control(=570~580nm), red(=600~610nm), yellow(=550~580nm), green(=500~510nm) and blue(=430~440nm) between different color film. The order of photon flux density was red>yellow>control>green>blue decreased. 2. Although there was no difference in the growth of Cyrtomium falcatum depending on light quality, in case of fronds with sori and new fronds, there were highest under red film. Fresh weight was no significant in all treatments, but dry weight was increased with green>control>yellow>blue>red in order. 3. In case of Rumohra aristata, there was no difference in its growth, however, number of total fronds was highest under green film. Although fresh weight was increased with yellow film, dry weight was highest under green film.
Temperature Changes of Indoor and Outdoor by Grass Planting Block in Planting of Roof Area
Lee, Sang Tae ; Kim, Jin Seon ;
Journal of the Korea Society of Environmental Restoration Technology, volume 7, issue 6, 2004, Pages 54~60
The purpose of this study is to analyzes the effects on planting of roof with planting block and grass in a school building where users actually spend daily life to measure indoor and outdoor temperature changes with existing roof. In case of planting of roof with a summer season, the highest temperature was shown lower about
in the outdoor compared to the case of not performing it. On the other hand the lowest temperature was shown higher about
and the highest temperature lower about
in the indoor. In case of planting of roof with a winter season, the lowest temperature was shown higher about
compared to the case of not performing it. On the other hand, it was shown higher about
in the indoor. The results of this study, effects of temperature control was confirmed in the indoor where planting of roof was performed higher about
for winter season and lower about
for summer season compared to the case of indoor with existing roof.
Experimental Study of Flow Resistance and Flow Characteristics over Flexible Vegetated Open Channel
Yeo, Hong Koo ; Park, Moonhyeong ; Kang, Joon Gu ; Kim, Taewook ;
Journal of the Korea Society of Environmental Restoration Technology, volume 7, issue 6, 2004, Pages 61~74
Hydraulic engineers and scientists working on river restoration recognize the need for a deeper understanding of natural streams as a complex and dynamic system, which involves not only abiotic elements(flow, sediments) but also biotic components. From this point of view, the role played by riverine vegetation dynamics and flow conditions becomes essential. Hydro-mechanic interaction between flow and flexible plants covering a river bed is studied in this paper and some previous works are discussed. Measurements of turbulence and flow resistance in vegetated open channel were performed using rigid and flexible tube. Measuring detailed turbulent velocity profiles within and above submerged and flexible stems allowed to distinguish different turbulent regimes. Some interesting relationships were obtained between the velocity field and the deflected height of the plants, such as a reduced drag coefficient in the flexible stems. Turbulent intensities and Reynolds stresses were measured showing two different regions : above and inside the vegetation domain. In flexible vegetated open channel, the maximum values of turbulent intensities and Reynolds stresses appear above the top of canopy. Method to predict a flow resistance in flexible vegetated open channel is developed by modifying an analytical model proposed by Klopstra et al. (1997). Calculated velocity profiles and roughness values correspond well with flume experiments. These confirm the applicability of the presented model for open channel with flexible vegetation. The new method will be verified in the real vegetated conditions in the near future. After these verifications, the new method should be applied for nature rehabilitation projects such as river restorations.
Effects of Soil Depth and Irrigation Period on Some of the Native Plants in and Artificial Substrate of Roof Garden
Bang, Kwang-Ja ; Ju, Jin-Hee ; Kim, Sun-Hae ;
Journal of the Korea Society of Environmental Restoration Technology, volume 7, issue 6, 2004, Pages 75~83
Focusing on native plants that have high possibility of being introduced as rooftop material, this study was conducted to investigate extensive and easy-to-manage rooftop garden and to raise the utilization of native plants by verifying their growing response to artificial substrate soil depth and irrigation period. The study was conducted from March to September in 2002. Plants tested included Chrysanthemum zawadskii, Sedium middendorffianum, Thymus quinquecostatus, Allium senescens, and Dianthus superbus. Regarding soil depth, it was 5 cm and 10 cm. Irrigation period was non-irrigation, 1-week, 2-weeks, and 3- weeks, Its result is as follows; 1. In case of Sedum middendorffianum Maxim, mortality rate was 0% regardless of soil depth and irrigation period making it very suitable material for rooftop garden. 2. In case of Allium senescens L., mortality rate was 0% regardless of soil depth and irrigation period making it very suitable material for rooftop garden. Therefore, Provided that fertilizing is managed well, it is a plant that can be highly utilized.3. In case of Chrysanthemum zawadskii Herb. Subsp. (Nakai) Y. Lee Stat., the growth of top was lower in 10cm than in 5cm and it grew well in 10cm. When utilizing for rooftop garden, it would be desirable to keep minimum viable soil depth at over 10cm. If there is enough rainfall, soil and soil depth seem to have greater effect on growth than irrigation period does. 4. In case of Diauthus superbus L. var. longicalycinus (Maxim) Williams, rooting rate and growth were better in 10cm than in 5cm. Therefore, it is desirable to keep minimum soil depth at over 10cm. 5. In case of Thymus quinquecostatus Celak, the growth of top and flowering were better in 10cm than in 5cm. Therefore, it seems desirable to have minimum viable soil depth to be over 10cm. In conclusion, the most suitable species for rooftop garden are Sedium middendorffianum and Allium senescens in this experiment. However, Chrysanthemum zwadskii, Thymus quinquecostatus, and Dianthus chinensis also can be utilized greatly when irrigation is managed regularly in artificial mixed soil over 10cm.
Vegetation Structure and Succession of the Decomposed Granite Cut-slope - In case study on forest road of Gangwon-do -
Song, Ho-Kyung ; Park, Gwan-Soo ; Lee, Joon-Woo ; Lee, Mi-Jeong ; Lee, Sang-Hwa ; Kim, Hyo-Jeong ;
Journal of the Korea Society of Environmental Restoration Technology, volume 7, issue 6, 2004, Pages 84~93
This study was carried out to select proper species for early stage replantation in granite forest roads cut-slope. From two to sixteen year elapsed forest roads in four regional areas of Gangwon-do, sample plots were selected, and their vegetations and environmental factors were investigated. Soil organic matter, total nitrogen, soil moisture content, and bulk density in the decomposed granite soils were below 1.32%, 0.08%, 10.0%, and above 1.24g/
, respectively. The result indicated that the soil was not good for plant growth. The environmental factors affecting distribution of species in the granite forest roads were the elapsed year, cut-slope, elevation, and cut-slope aspect. Species with high frequency in the granite forest road cut-slope ordered Lespedeza bicolor, Rubus crataegifolius, Pinus densiflora, Lysimachia clethroides, Amorpha fruticosa, Dactylis glomerata, Lespedeza cyrtobotrya, Festuca arundinacea, Spodiopogon sibiricus, Artemisia stolonifera, and Weigela subsessilis. Herbs seeded in earth stage such as Dactylis glomerata, Lolium perenne, and Festuca arundinacea had changed into perennial herbs such as Carex lanceolata, Poa sphondylodes, Patrinia villosa, Artemisia princeps var. orientalis, Spodiopogon sibiricus, Melica onoei, Artemisia keiskeana, Artemisia stolonifera, Astilbe chinensis var. davidii, Spodiopogon sibiricus, and those had changed into shrubs such as Rubus crataegifolius and Weigela subsessilis, and those had changed into trees such as Salix hulteni, Salix koreensis, and Fraxinus rhyncholhylla according to elapsed year of forest roads. Legumes such as Lespedeza sp., Pueraria thunbergiana, Amorpha fruticosa, etc., herbs such as Artemisia keiskeana, Artemisia princeps var. orientalis, Artemisia stolonifera, Astilbe chinensis var. davidii, Spodiopogon sibiricus, Miscanthus sinensis, etc., and woody plants such as Pinus densiflora, Rubus crataegifolius, Weigela subsessilis, Zanthoxylum schinifolium, Rhododendron mucronulatum, etc., with foreign herbs were considered as proper species for replantation in granite forest road cut-slope.
Site-Based Environmental Education in the Republic of Korea : Current Status and Needs
Park, Tae-Yoon ; Noh, Kyung-Im ;
Journal of the Korea Society of Environmental Restoration Technology, volume 7, issue 6, 2004, Pages 94~103
This article describes the current status of site-based environmental education (EE) in the Republic of Korea. Implications for site-based EE program development and operation are presented and recommendations for an improvement are provided. Questionnaires were mailed to 205 schools and organizations where site-based EE programs operated in 2002 with funding from the Korean Ministry of Environment. The questionnaire was designed and used to examine the scope, operation, and needs of site-based EE programs. The response rate was 27.3%. The results of the survey indicated that 'awareness', 'participation', and 'attitude' were addressed by the program goals and objectives more than 'knowledge' and 'skills'. The survey also indicated that activities in the programs were not variable and most were teacher/instructor-centered. Most of the programs reflected the 'connection with everyday life, direct experience and sensitivity'. There were some difficulties in motivating students and finding a good location and qualified instructional staff. Needs included well-designed program development and dissemination, professional development, increased funding support, and more effective program evaluation.