The following table gives the observed annual flood values in the river Krishna at Karad.  Estimate the flood peaks with return periods of 50, 100 and 1000 years by using: (a)  Gumbel’s extreme value distribution

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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The following table gives the observed annual flood values in the river Krishna at Karad. 
Estimate the flood peaks with return periods of 50, 100 and 1000 years by using: (a) 
Gumbel’s extreme value distribution (b) Weibull (c) Chegodayev

(see table in image) 

Annual Flood Discharge in the river Krishna at Karad
Flood
discharge
(m³/s)
4760
2673
4482
1527
4267
2428
2156
2190
3051
3101
3231
4562
3422
2187
2435
Water
Year
Beginning
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
Water
Year
Beginning
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
Flood
discharge
(m³/s)
2848
1942
1261
1931
1797
1393
1801
1323
3205
2504
4361
3150
2127
1812
3915
Water
Year
Beginning
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
Flood
discharge
(m³/s)
1356
2944
5954
1541
2111
774
911
1121
937
4163
6312
6708
3868
2884
Transcribed Image Text:Annual Flood Discharge in the river Krishna at Karad Flood discharge (m³/s) 4760 2673 4482 1527 4267 2428 2156 2190 3051 3101 3231 4562 3422 2187 2435 Water Year Beginning 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 Water Year Beginning 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 Flood discharge (m³/s) 2848 1942 1261 1931 1797 1393 1801 1323 3205 2504 4361 3150 2127 1812 3915 Water Year Beginning 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 Flood discharge (m³/s) 1356 2944 5954 1541 2111 774 911 1121 937 4163 6312 6708 3868 2884
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