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Economic analysis of irrigation facilities for securing water for field crops
신형진,이재영,이재남,이한나,박상현,신범수,차상선,권세명,서정일,박찬기 충남대학교 농업과학연구소 2023 Korean Journal of Agricultural Science Vol.50 No.4
Considering irrigation facilities are currently insufficient and drought vulnerability due to climate change is high, efficient measures are required to secure water supply for field crops. This study, therefore, calculated the water shortage to secure water for representative field crops. An economic analysis was further conducted by comparing the production income to the input cost for each method. Here, five distinct regions were selected to represent each crop—Cheongyang-gun for chili peppers, Yesan-gun for apples, Dangjin-si for cabbages, Seosan-si for garlic, and Goesan for beans. The regions with insufficient water supply were estimated by calculating the water requirements and the supplied water from public groundwater wells for each area. A comprehensive set of four scenarios was presented as a strategy to ensure water security and manage irrigation facilities. These scenarios comprised the maintenance of existing groundwater wells, the construction of new water storage tanks, the installation of additional groundwater wells, and the utilization of surface water. B/C (benefit/cost) analysis was conducted for each scenario. As a result, the construction of water storage tanks was selected as a facility and water management plan in Cheongyanggun, Dangjin-si, and Seosan-si. The analysis additionally indicated the economic viability of installing surface water utilization facilities in Yesan-gun and developing water storage tanks and groundwater (aquifer) wells in Goesan-gun. The results of this study are considered to serve as foundation data that may be utilized in the selection of water management plans for drought-prone areas in the future.
신형진,김찬형,하꽃다지,신진홍,김대성,서인석 대한약리학회 2017 The Korean Journal of Physiology & Pharmacology Vol.21 No.4
Myotonia congenita (MC) is a genetic disease that displays impaired relaxation of skeletal muscle and muscle hypertrophy. This disease is mainly caused by mutations of CLCN1 that encodes human skeletal muscle chloride channel (CLC- 1). CLC-1 is a voltage gated chloride channel that activates upon depolarizing potentials and play a major role in stabilization of resting membrane potentials in skeletal muscle. In this study, we report 4 unrelated Korean patients diagnosed with myotonia congenita and their clinical features. Sequence analysis of all coding regions of the patients was performed and mutation, R47W and A298T, was commonly identified. The patients commonly displayed transient muscle weakness and only one patient was diagnosed with autosomal dominant type of myotonia congenita. To investigate the pathological role of the mutation, electrophysiological analysis was also performed in HEK 293 cells transiently expressing homo-or heterodimeric mutant channels. The mutant channels displayed reduced chloride current density and altered channel gating. However, the effect of A298T on channel gating was reduced with the presence of R47W in the same allele. This analysis suggests that impaired CLC-1 channel function can cause myotonia congenita and that R47W has a protective effect on A298T in relation to channel gating. Our results provide clinical features of Korean myotonia congenita patients who have the heterozygous mutation and reveal underlying pathophyological consequences of the mutants by taking electrophysiological approach.
신형진,김동규,전시영 대한신경외과학회 1989 Journal of Korean neurosurgical society Vol.18 No.7-12
Recently, transsphenoidal approach is regarded as the principal method for the resection of pituitary tumor. The sublabial transseptal transsphenoidal hypophysectomy is a classical one, but it has certain limitations and postoperative problems. So various modifications of transsphenoidal hypophysectomy have been proposed. The columellar flap is one of such modified approaches.
AnnAGNPS 모형을 이용한 경안천 유역의 수문$\cdot$$수질 모의
신형진,권형중,김성준,Shin Hyung Jin,Kwon Hyung Joong,Kim Seong Joon 한국관개배수위원회 2004 한국관개배수논문집 Vol.11 No.2
The objective of this study is to simulate streamflow and water quality for Gyeongan watershed (561.1 $km^2$) using AnnAGNPS (Bingner et al., 2000). The model was calibrated and verified for three years (2000, 2002, 2003) stream discharge and w
패혈성 쇼크 환자에서 응급실 기반 조기목표지향치료의 효과(중증 패혈증 캠페인)
신형진,이강현,황성오,김현,신태용,김상철 대한중환자의학회 2010 Acute and Critical Care Vol.25 No.2
Background: Early goal-directed therapy (EGDT) has been used for patients with severe sepsis and septic shock in the emergency department (ED). In 2003, international management guidelines for severe sepsis and septic shock were developed under the auspices of the Surviving Sepsis Campaign (SSC); however, EGDT based on the SSC was not fully evaluated in the ED. The purpose of this study was to evaluate the efficacy of EGDT based on the SSC in the ED in Korea. Methods: We randomly assigned patients who arrived at our ED in septic shock to receive EGDT before admission to the intensive care unit between May 2007 and July 2007, and we retrospectively assigned patients in septic shock to receive standard therapy between May 2006 and July 2006. The in-hospital mortality for 24 hours and 28 days, the MODS, SAPS II, and APACHE II scores were obtained and compared between the study groups. Results: Of the 60 enrolled patients, 30 were assigned to EGDT and 30 were assigned to standard therapy. There was no significant difference between the groups with respect to the baseline characteristics. In-hospital mortality at 28 days was 13% in the group assigned to EGDT as compared to 40% in the group assigned to standard therapy (p=0.020) and in-hospital mortality at 24 hours was 0% and 13%, respectively (p=0.038). Conclusions: EGDT provides significant benefits with respect to outcome in patients in septic shock.
LARS-WG 상세화 기법을 적용한 미래 기온 및 강수량 전망 및 분석 - 우리나라 8개 기상관측소를 대상으로 -
신형진,박민지,조형경,박근애,김성준,Shin, Hyung-Jin,Park, Min-Ji,Joh, Hyung-Kyung,Park, Geun-Ae,Kim, Seong-Joon 한국농공학회 2010 한국농공학회논문집 Vol.52 No.4
Generally, the GCM (General Circulation Model) data by IPCC climate change scenarios are used for future weather prediction. IPCC GCM models predict well for the continental scale, but is not good for the regional scale. This paper tried to generate future temperature and precipitation of 8 scattered meteorological stations in South Korea by using the MIROC3.2 hires GCM data and applying LARS-WG downscaling method. The MIROC3.2 A1B scenario data were adopted because it has the similar pattern comparing with the observed data (1977-2006) among the scenarios. The results showed that both the future precipitation and temperature increased. The 2080s annual temperature increased $3.8{\sim}5.0^{\circ}C$. Especially the future temperature increased up to $4.5{\sim}7.8^{\circ}C$ in winter period (December-February). The future annual precipitation of 2020s, 2050s, and 2080s increased 17.5 %, 27.5 %, and 39.0 % respectively. From the trend analysis for the future projected results, the above middle region of South Korea showed a statistical significance for winter precipitation and south region for summer rainfall.