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낙동강 하구역의 홍수기 방류에 의한 수로별 유속 잔차 및 염분 분포
송진일(Song, Jin Il),윤병일(Yoon, Byung Il),김종욱(Kim, Jong-Wook),임채욱(Lim, Chae Wook),우승범(Woo, Seung-Buhm) 한국해안해양공학회 2014 한국해안해양공학회 논문집 Vol.26 No.3
낙동강 하구역은 하구둑이 건설된 이후, 담수는 갑문 개폐에 의해서 인위적으로 방출되고 해수유입은 하구둑에 의해 억제되어왔다. 이로 인해 인위적인 수문 개방에 의한 해수와 담수의 수렴 및 혼합은 낙동강 하구역의 해수순환에 큰 영향을 미치는 것으로 나타났다. 홍수기 방류 중 낙동강 하구역의 수로별 유동 환경과 하구 흐름 특성을 조사하기 위해 유속 및 염분 관측을 수행하였다. 분석 결과 지형적 특징 및 방류의 영향에 의해 수로별 유속 및 염분 분포 특징이 상이하게 나타났다. 낙동강 하구역의 홍수기 방류에 의한 영향은 각 수로별 잔차유속 및 염분 수직분포에 다르게 작용하며, 지형적 특징은 염분침투 범위에 영향을 미침으로써 상대적으로 고염의 물이 정체되는 구간이 존재한다. After building the dyke in Nakdong River Estuary, mixing of freshwater inflow to ocean and seawater to upstream is controlled by operating the sluice gates. Mixing and convergence of seawater and freshwater by opening the sluice gates, have a major impact on the circulation of seawater in the Nakdong River Estuary. Field measurement was carried out to study the characteristics of the estuary flow and environment of each channel of the Nakdong River Estuary. Vertical salinity distribution and residual current is different from each channel by the river discharge and topographic changes.
태아 신장기형 중 Infantile polycystic kidney 1례
고일영(Il Young Ko),정창호(Chang Ho Jung),송진범(Jin Berm Song),서경용(Kyung Young Seo),심재식(Jae Sik Shim) 대한산부인과학회 1999 Obstetrics & Gynecology Science Vol.42 No.9
The infantile polycystic kidney disease is rare fetal urinary tract anomaly. It is inherited with an autosomal recessive pattern and recurrence rate is 25%. The gene locus is on chromosome 6p. The pathogenesis of infantile polycystic kidney is the primary defect of the collecting ducts. The ultrasonographic finding of infantile polycystic kidney is oligohydramnios, bilaterally symmetrical enlarged kidneys with maintenance of their reinform shape. The differential diagnosis with adult polycystic kidney disease is important. The massive enlargement of the kidneys is rarely seen in adult polycystic kidney disease and the examination of the parents and other members of the family is helpful to confirm the adult polycystic kidney disease. If there is severe renal involvements, stillbirth or neonatal death secondary to pulmonary hypoplasia would be developed. If it were diagnosed before viability, termination of pregnancy is recommended. In a fetus at risk, diagnosed after viability, pregnancy termination is also recommended since this condition is uniformly fatal. We present a case of infantile polycystic kidney.