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GIS기법과 기후변화시나리오를 이용한 극한 강우에 따른 재해 영향성 평가
함창학(Hahm, Chang Hahk),김병식(Kim, Byung-Sik) 한국측량학회 2012 한국측량학회 학술대회자료집 Vol.2012 No.4
There has been growing the damage in an urban area on account of recent climate change. As the complicated type of damages such as domestic flooding, landslide overflow of rivers etc., has been emerged, great attention has been shown to the question of extreme precipitation, local downpour. Under confined spaces and limited resources, we should selectively take appropriate counterplan on flood disaster in accordance with the climate change. For decision making, we should consider the estimation of disaster according to extreme precipitation affected by climate change. Simulating the daily rainfall in the future (2001-2100) by using SRES A2 scenarios and high-resolution RCM model, we estimated EVI(Extreme Volatility Index), HRI(Human Risk Index), and DII(Disaster Impact Index). Then, we finally evaluated the effect of occurrence of extreme precipitation in future climate change through comparison and analysis on spatio-temporal distribution of the Korean Peninsula. The conclusion which can be drawn from study are these: 1) Extreme Volatility Index loomed large in Gyeongsang-do and Jeolla-do, 2) Human Risk Index has largely revealed 7 metropolitan city and national capital region, and 3) Area located on the border of the whole area on the West Coast , Gyeongsang-do and Jeolla-do have large Disaster Impact Index. In short, these areas will be influenced by flood disaster in accordance with the future climate change.
최창희,최병학 국립7개대학공동논문집간행위원회 2003 人文學論叢 Vol.3 No.-
Indeed, open parliamentary politics and self-parliamentarism as well as open administration and self-administration are the real proposition that needs to be implemented in the era of local self-governing. Self-administration and self-parliamentarism are the two wheels that are vital to have a successful local self-government. Both local parliament and executive branch of the local government are the genuine owners of the local administration, and thus, they must provide administrative services best for the local citizens as their guests. Especially, local parliament as the autonomous decision-making institution and executive branch as the policy implementing institution ought to accomplish their duties and roles. As a result of such activities, both should make every possible effort to advance toward a cooperative, reciprocal and productive partnership. Both, as rational critics and check-and-balancers, also need to provide policy alternatives, since they have some objective standards for the development and establishment of aggregating local citizens' opinions, reliable local economy, local political culture and local welfare system after managing local self-autonomy over the last decade.
태풍 루사에 의한 토양 침식량 산정을 위한 GIS와 범용토양손실공식(USLE) 연계
함창학(Hahm Chang Hahk),김병식(Kim Byung Sik) 대한공간정보학회 2007 대한공간정보학회지 Vol.15 No.3
토양침식의 산정은 많은 비용과 시간을 요구한다. 한 지역에서 토양침식을 예측하기 위한 많은 모형들이 있지만, 범용토양손실공식(USLE, Universal Soil Loss Equation)이 연 토양 침식량 산정을 위한 경험식으로 가장 널리 사용되고 있다. 토양침식은 강우강도, 토양의 종류, 토지 피복과 토지이용, 사면경사와 경사길이, 그리고 토양보전을 위한 시설의 영향을 받는다. 이러한 모든 변수들은 공간적으로 분포되어 있기 때문에 지형정보시스템(GIS)이 토양침식 영향평가에 널리 적용될 수 있다. 본 연구에서는 IHP 대표 유역인 보청천 유역을 대상으로 지형정보시스템(GIS)과 범용토양손실 공식을 연계하여 태풍루사의 강우에 의한 유역에서의 토양 침식량을 산정하였다. Assessment of soil erosion is a cost and time-consuming task. There are many models developed to predict soil erosion from an area, but Universal Soil Loss Equation (USLE) is most widely used empirical equation for estimating annual soil erosion. Soil erosion depends upon-rainfall intensity, type of soil, land cover and land use, slope degree, slope length and soil conservation practice. All these parameters are have spatial distribution and hence satellite remote sensing and Geographic Information System (GIS) are applicable in the assessment of the influence on soil erosion. GIS has been integrated with the USLE (Universal Soil Loss Equation) model in identification of rainfall-based erosion to the Bocheong River which is the representative basin of IHP due to Typhoon Rusa. Similar studies are available in literature, ranging from those that use a simple model such as USLE to others of a more sophisticated nature.