Question 4. The table below shows the annual maximum flows for a range of water years. a) Determine the magnitude of the flood that may occur once in 5 years, once in 15 years, and once in 30 years. b) The current situation of this small basin (25.3 km2) is almost entirely rural in character. There is a significant residential/industrial development proposal and with climate change this could increase flow by up to 35%. Investigate the impact of development on watershed flood size and frequency. Note: Use the recommended Weibull approach for frequency calculation. water vear 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 Q (m³/s) 17.914 10.085 4.651 5.673 12.973 9.813 9.543 8.629 6.239 4.936 3.807 13.843 7.047 7.525
Question 4. The table below shows the annual maximum flows for a range of water years. a) Determine the magnitude of the flood that may occur once in 5 years, once in 15 years, and once in 30 years. b) The current situation of this small basin (25.3 km2) is almost entirely rural in character. There is a significant residential/industrial development proposal and with climate change this could increase flow by up to 35%. Investigate the impact of development on watershed flood size and frequency. Note: Use the recommended Weibull approach for frequency calculation. water vear 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 Q (m³/s) 17.914 10.085 4.651 5.673 12.973 9.813 9.543 8.629 6.239 4.936 3.807 13.843 7.047 7.525
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
![Question 4. The table below shows the annual maximum flows for a
range of water years.
a) Determine the magnitude of the flood that may occur once in 5
years, once in 15 years, and once in 30 years.
b) The current situation of this small basin (25.3 km2) is almost entirely
rural in character. There is a significant residential/industrial
development proposal and with climate change this could increase
flow by up to 35%. Investigate the impact of development on
watershed flood size and frequency.
Note: Use the recommended Weibull approach for frequency
calculation.
water vear
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
Q (m³/s)
17.914
10.085
4.651
5.673
12.973
9.813
9.543
8.629
6.239
4.936
3.807
13.843
7.047
7.525](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0ef2ce1b-1351-4c41-a568-6698cac722ee%2F06467f6b-9bbf-4364-ac32-441353336fc0%2F6977h3h_processed.png&w=3840&q=75)
Transcribed Image Text:Question 4. The table below shows the annual maximum flows for a
range of water years.
a) Determine the magnitude of the flood that may occur once in 5
years, once in 15 years, and once in 30 years.
b) The current situation of this small basin (25.3 km2) is almost entirely
rural in character. There is a significant residential/industrial
development proposal and with climate change this could increase
flow by up to 35%. Investigate the impact of development on
watershed flood size and frequency.
Note: Use the recommended Weibull approach for frequency
calculation.
water vear
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
Q (m³/s)
17.914
10.085
4.651
5.673
12.973
9.813
9.543
8.629
6.239
4.936
3.807
13.843
7.047
7.525
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