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Study on Analysis of sprawling developmentbecause of improper location by judging propriety of the development location targeting on the developments conducted recently. We did pre-research on the developments of city and country in Chungcheongbuk-do for recent three year, then classified the development works according to five grade of National Environmentsal Zonging Map which is index of reserve, buffer and , by using GIS analysis tool to judge the propriety of the location.
This paper aims at the elucidation of the characteristics of longshore current profile after wave breaking. Wave breakers are always accompanied by complex turbulent process, wave energy losses and the mean water level variations due to the gradient of radiation stress. These processes with other factor result in the development of longshore currents. Because alongshore current have relation to the alongshore sand transport on a bed and, to the diffusion of contaminants nearshore region, the understanding and elucidation of longshore currents are very important from the engineering point of view. The longshore currents induced by simple wave striking an planar beach, nonplanar beach are calculated. Using the calculated results, the factors such as lateral mixing cofficients, bed shear stress, wave angle,wave stepness and wind stress which are influencing the longshore profile, are examined.
The problem for the environment, social development, as is the situation that is emerging as a social being. How to actively address these environmental problems is appropriate to proceed to establish a management system for a number of the administration, but administration. It is effective for this management system to produce a topographical map to go through the administration thereof. Biotope maps in managing these environmental problems legitimacy and appropriate for use in the regulation of development and to study the mapping of the ecological status
The landslides by rainfalls or runoffs in soil loss factors is been treated one of the main environment problems in 20th century. Landslide effective soil loss cause various problems those are decreasing of the agricultural productivity, desolating of pasture field and disturbing of water flowing. The soil loss in landslides has a bad effect on not only pasture field or cropland but also changing of a water level by depositing process at river.
This paper is to study the adsorption of a chloroplast of agar removed toxic & fixed experiments in specific characters. We examined the utility-possibility of the biological adsorption, and investigated the method for treating heavy metal wastewater econmically and efficiently.
The writer studied on the way to reckon the quantity of quick sand in the movement of quick sand after the model of moving system of travel sand and floating sand. 1) In the limit of comparing with the measured data, the different forms of river-beds turned out-to be little worth consideration. 2) The following points should be noted to use this theoretical expression. (1) We should take different ways to compute the quantity of quick sand in r<0.3 and Re<7.5. (2) It is uncertain to tell the travel sand and floating sand by actual surveying, and the resistance coefficient of river-bed damage has great effect on determination of hydronic quantity . (3) The functional relation between the computation of quick sand quantity and the alternative coefficient of river-bed revealed to be great.
The soil loss by rainfalls or runoffs has been one of the main environment problems in 20th century. The soil loss cause the various problems those are decreasing of the agricultural productivity, desolating of pasture land and disturbing of water flowing. Therefore, it is very important to measure properly various factors those are affecting to soil loss and to recognize a seriousness of soil loss problem. In this study, we use the USLE(Universal Soil Loss Equation) as a basic approaching way for soil loss analysis in a watershed, and the GSIS(Geo-Spatial Information System) technique is applied to evaluate for factors those are related to the USLE. The results of this study are consisted of three parts those are 1) to build up the various topographical information that is needed for analysis of wide area soil loss by using the USLE,2) to evaluate the factors those are needed to the USLE,3) to estimate the soil loss condituion of subbasin in the watershed.
The previous control point surveying, being standardized by trigonometric point which hasn't been unified in the whole country and producing put into operation through complex calculation process, has many problems about accurate results and economic side. Because most of trigonometric points that standardize a present surveying are in situation in top of the mountain, there are many difficulties in solving sight problems. Since trigonometric points are far away from one another, Differences are created because of limitation of point distance, observatory network construction and distribution of error. In the information age, the study about acquiring three dimension surveying information that uses GPS has been processed as fast as acquiring topography information is getting important gradually. For utilizing GPS in surveying work, deciding transformation 7-Parameters that changes data about location information which is received by GPS receiver is important. In this study, It is decided transformation 7-Parameters that can be used in study area by using GPS surveying production that had put into operation.
According as a complexity and high level of society, the information being rapid and accurate for landuse, environment and traffic etc. is required, but the information management by a drawing and a map is confronted with a complicated and sudden change of facilities. For the facility management, the condition of all facility must be understood and facility drawing of those days of construction must be kept well, but there are many problems for the facility management because of keeping a drawing and a map carelessly up to now. To solve these problems and preserve a drawing and manage facility efficiently, the facility management(FM) is required. This study includes the methodological problems for the techniques and procedures to design database necessitating great cost and time to establish the facility management system(FMS). Furthermore, all sorts of layout materials, which are currently handled in facility management within the universities land, can be expediently utilized through computerization of GIS, and this study readily tries to determine the scheme to modify, complement, and manage the data.
The eco-friendly approach to the stream that is the very basic of stream management is run in various ways such as water quality improvement, preparation for flood and ecological restoration to protect ecolife. As well as these trends, continuous stream management businesses such as water management to protect annually repeating flood due to heavy rain caused by sudden weather changes like global warming, El Nino are performed but the damage from flood has been largely increased compared to 70s and 80s. Recently, there are about 4.5times of increased flood damage in 10years compared to 70s and 80s (annual average 1.35trillion dollar) and particularly in 2002, there has been the highest amount of total cost of damage, 6.1 trillion dollar and therefore there is a definite policy for improvement. So flood prediction information about endangered area when setting wide range of natural hazard preparation and water protection plan to achieve stable life of people and reduction of economic loss.