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SCS-CN 대표 매개변수가 분포형과 집중형 강우-유출 모형에서 유출 손실에 미치는 영향 비교
이형근,최영선,이길하,Lee, Hyeong-keun,choi, Yeong-seon,Lee, Khil-Ha 한국환경과학회 2020 한국환경과학회지 Vol.29 No.1
The determination of soil parameters is important in predicting the simulated surface runoff using either a distributed or a lumped rainfall-runoff model. Soil characteristics can be collected using remote sensing techniques and represented as a digital map. There is no universal agreement with respect to the determination of a representative parameter from a gridded digital map. Two representative methods, i.e., arithmetic and predominant, are introduced and applied to both FLO-2D and HEC-HMS to improve the model's accuracy. Both methods are implemented in the Yongdam catchment, and the results show that the former seems to be more accurate than the latter in the test site. This is attributed to the high conductivity of the dominant soil class, which is A type.
이형근 ( Lee Hyeong-keun ),황지형 ( Hwang Ji-hyeong ),이길하 ( Lee Khil-ha ) 한국환경과학회 2018 한국환경과학회지 Vol.27 No.11
The real-time monitoring of surface vegetation is essential for the management of droughts, vegetation growth, and water resources. The availability of land cover maps based on remotely collected data makes the monitoring of surface vegetation easier. The vegetation index in an area is likely to be proportional to meteorological elements there such as air temperature and precipitation. This study investigated relationship between vegetation index based on Moderate Resolution Image Spectroradiometer (MODIS) and ground-measured meteorological elements at the Yongdam catchment station. To do this, 16-day averaged data were used. It was found that the vegetation index is well correlated to air temperature but poorly correlated to precipitation. The study provides some intuition and guidelines for the study of the droughts and ecologies in the future.
李炯根 건국대학교 1995 대학원 학술논문집 Vol.42 No.-
The policy loan in the life insurance contract is a valuable provision enabling a policyholder to draw upon cash values to meet temporary financial problems without resulting in policy surren-der and loss of the insurance. And through the use of this provision, a policyholder can guarantee the pdicy against lapse in the event of premium default if the loan value is sufficient to pay the premium. However the loan is not a legal obligation of the estate. Courts have held that a policy load is not a tme loan but an advance payment of funds which are, or will be, payable under the policy either as cash values, matured endowmentsi or death benefits. The insured's estate, therefore, is not liable for unpaid policy loan, but the insurer will deduct any unpaid balance from the policy procedds. PoUcyhlders who take policy loan are not borrowing their own money, but money belonging to all policyholders as a group witch must be invested in order to support the insurefs premium structure. Therefore, insurers charge interest on the policyholders' money. In now a days, with the development capitalistic economic system and society, in connection with the policy loan the conflict will occur between the insuFer and the policyholder as premium becomes large and insurancemoney become large amount in future. That is, the legal character Accordingly the study to resolve the problem is necessary as well. It is hope that this study may be helpflll to interpretaion and development for theory on legal character of policy load in life insurance in our country.