표제지
목차
Ⅰ. 서론 8
Ⅱ. 자료 및 방법 10
1. 수문자료 10
가. 평수 10
나. 홍수 12
2. 금강하류유역의 수면형 변화 12
3. 금강하류유역의 통수단면 변화 13
Ⅲ. 결과 및 고찰 14
1. 수문자료 14
2. 평상시 수면형 변화 16
가. 금강호에 의한 금강수위의 안정화 16
나. 금강호 수위변화의 상류역 전파 17
3. 홍수시 수면형 변화 22
가. 홍수위 지속시간의 변화특성 22
나. 홍수위 산술평균 경사특성 24
4. 금강하류하천의 통수단면 변화 27
가. 주요 수위 관측지점의 통수단면 변화 27
나. 최저하상고의 변화 29
Ⅳ. 결론 31
참고문헌 33
Abstract 34
Appendix : 금강하구둑 배수갑문 조작현황(1994. 8~1995. 7) 36
Table 1 Water level stations in the keum river down stream 10
Table 2 Flood records of three hydro-stations 14
Table 3 Discharging the flood through the sluice gate at the Keumkang lake in July 12, 1995 18
Table 4 Water levels at the Keumkang lake and Kangkyung during the flood in 1995 19
Table 5 Duration time of flood-type 23
Table 6 Difference of mean water level and water surface slope along the reaches 24
Table 7 Change of river bed section before and after flood in 1995 27
Fig 1 Gauging station of down stream in keum river 11
Fig 2 Hyeto-hydrograph of the flood in July, 1987 15
Fig 3 Hyeto-hydrograph of the flood in Aug, 1995 15
Fig 4 Variation of water level at the stations before the closing('94. 7. 12) and after the closing the Keumkang lake('94. 12. 12) 17
Fig 5 Variation of water level at the Keumkang lake and Kangkyung from July 12 to 13 in 1995 18
Fig 6 Graph of correlation relationship for water level ratio of Kangkyung station and Keumkang lake 22
Fig 7 Variation of water level of the warning-flood in the Keum river 25
Fig 8 Variation of water level of the danger-flood in the Keum river 25
Fig 9 Change of riverbed section at the Kangkyung station 28
Fig 10 Variation of elevation of riverbed at the down stream reach of Keum river 30