The annual rainfall at station X and the average annual rainfall at 18 surrounding stations are given in table below. Check the consistency of the record at station X Determine the year in which a change in regime has occurred State how you are going to adjust the records for the change in regime Determine the average annual rainfall for the period from 1952 -1970 for the changed regime. Year 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 Station X 18-stations Ave 30.5 38.9 43.7 32.2 27.4 32 49.3 28.4 24.6 21.8 28.2 17.3 22.3 28.4 24.1 26.9 20.6 005 22.8 35.0 30.2 27.4 25.2 28.2 36.1 18.4 25.1 23.6 33.3 23.4 36.0 31.2 23.1 23.4 23.1 332

The annual rainfall at station X and the average annual rainfall at 18 surrounding stations are given in table below. Check the consistency of the record at station X Determine the year in which a change in regime has occurred State how you are going to adjust the records for the change in regime Determine the average annual rainfall for the period from 1952 -1970 for the changed regime. Year 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 Station X 18-stations Ave 30.5 38.9 43.7 32.2 27.4 32 49.3 28.4 24.6 21.8 28.2 17.3 22.3 28.4 24.1 26.9 20.6 005 22.8 35.0 30.2 27.4 25.2 28.2 36.1 18.4 25.1 23.6 33.3 23.4 36.0 31.2 23.1 23.4 23.1 332

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

There is 10 rain gauge stations in a catchment. The annual rainfalls recorded by the gauges are the following: 102.3cm, 181.12cm 123.4cm, 43.5cm, 112.23cm, 88.89cm, 75.5cm, 69.69cm, 97.87cm, 111.11cm. For an 8% error in the estimation of mean rainfall, calculate the optimum number of stations in the catchment.
The anticipated change in extreme rainfall events due to climate change in the next 20 years is estimated to be: a.-20%b.+20%c.+50%d.+100%
According to the rainfall records for a city, we have obtained the probabilities of receiving more than 500 mm of rain in four seasons (see the table below). If a seasonal recorded rainfall depth is found to be more than 500 mm, what are the probabilities of this rainfall record for four seasons? Comment benefit of using this observed rainfall record. Spring Summer Autumn Winter 0.05 0.6 0.7 0.15
A Lake had a water surface level of 650 m above a datum at the beginning of a certainmonth. In that month the lake received an average inflow of 250 cumecs. There was anoutflow of 150 cumecs. In the same month, the lake received a rainfall of 150 mm andthe evaporation from the lake surface was 5 cm. Using hydrologic equation, estimatethe water surface elevation of the lake at the end of the month. Assume the lake surfacearea 567 hectares and that there was nocontribution to or from the groundwater storage
Estimate the total excess/effective rainfall in mm for a 5% AEP storm. The temporal pattern distribution for a 45-min rainfall duration (5-min time step) for a South Australian catchment of 5.4 km2 is given below. 20 19.17 16.67 12.5 5 10 8.33 3.33 5 Consider: IL = 11.5 mm and CL = 1.7 mm/hr Total rainfall depth = 30.1 mm Plot the effective rainfall hyetograph of this Question in mm.
B- The mass curve of rainfall in the storm of total duraƟon 300 minutes is given below. Draw the hyetograph of the storm at 60 minutes interval step and intensity in cm/hr.(Show by calculaƟons )
A record of rainfall (mm) is randomly distributed in a basin. Calculate the average rainfall depth using Arithmetical method.
The rainfall data in (mm) for the last (10) years is as follows: 988, 966, 1015, 977, 1045, 1100, 960, 927, 920, and 890 Find: 1) the return period and the probability of (977) mm. 2) the rainfall of return period of (3) years and its probability.
1. The normal annual rainfall at stations A, B, and C situated in meteorologically homogeneous region are 175 cm, 180 cm, and 150 cm respectively. In the year 2020, station B was inoperative and stations A and C recorded annual precipitations of 150 cm and 135 cm, respectively. What is the estimate annual rainfall at station B in that year?
The annual rainfall at the rain-gauge stations with the catchment area of 10km are indicated below. Thiessen polygon measured are also shown in the table below. Stations Recorded rainfall(P1)(cm) Area of polygon(ai)(km2) A 8.8 570 B 7.6 920 C 10.8 720 D 9.2 620 E 13.8 520 F 10.4 550 G 8.5 400 H 10.5 650 I 11.2 500 J 9.5 350 K 7.8 520 L 5.2 250 M 5.6 350 1. Describe mean rainfall over the area using Thiessen polygon method and Compare Thiessen polygon method with arithmetic mean method.
A total of 10 mm of rainfall fell on a lake with a surface area of T km^2 in June 1996. Relatedthe average flow rate of the stream entering the lake per month is 12 m^3 / s, while the average flow rate of the stream leaving the lake is7m^3/s dir. Monthly evaporation height measured in an evaporation pan near the lake during this month45mm and the pan coefficient in the relevant month is 0.75 according to what is the volume of water in the lake in this monthcalculate that it has changed up to?(T=159)
A frequency analysis of annual rainfall data relates a) the logarithm of annual rainfall to the return period; b) annual rainfall to the probability of being exceeded; c) annual rainfall to its rank; d) the return period of annual rainfall to its exceedance probability; e) all of the above.